EP4128417A1 - Procede de recyclage d'une electrode - Google Patents
Procede de recyclage d'une electrodeInfo
- Publication number
- EP4128417A1 EP4128417A1 EP21720805.7A EP21720805A EP4128417A1 EP 4128417 A1 EP4128417 A1 EP 4128417A1 EP 21720805 A EP21720805 A EP 21720805A EP 4128417 A1 EP4128417 A1 EP 4128417A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrode
- ionic liquid
- active material
- ionic
- solvent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000004064 recycling Methods 0.000 title claims abstract description 20
- 239000002608 ionic liquid Substances 0.000 claims abstract description 59
- 239000011149 active material Substances 0.000 claims abstract description 51
- 239000002904 solvent Substances 0.000 claims abstract description 25
- 238000002604 ultrasonography Methods 0.000 claims abstract description 21
- 239000011230 binding agent Substances 0.000 claims abstract description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 27
- 239000000243 solution Substances 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 15
- 150000001450 anions Chemical class 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 239000001763 2-hydroxyethyl(trimethyl)azanium Substances 0.000 claims description 11
- 235000019743 Choline chloride Nutrition 0.000 claims description 11
- SGMZJAMFUVOLNK-UHFFFAOYSA-M choline chloride Chemical compound [Cl-].C[N+](C)(C)CCO SGMZJAMFUVOLNK-UHFFFAOYSA-M 0.000 claims description 11
- 229960003178 choline chloride Drugs 0.000 claims description 11
- 150000001768 cations Chemical class 0.000 claims description 10
- 230000005496 eutectics Effects 0.000 claims description 8
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 claims description 7
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- KTQDYGVEEFGIIL-UHFFFAOYSA-N n-fluorosulfonylsulfamoyl fluoride Chemical compound FS(=O)(=O)NS(F)(=O)=O KTQDYGVEEFGIIL-UHFFFAOYSA-N 0.000 claims description 4
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 3
- RAXXELZNTBOGNW-UHFFFAOYSA-O Imidazolium Chemical compound C1=C[NH+]=CN1 RAXXELZNTBOGNW-UHFFFAOYSA-O 0.000 claims description 3
- NQRYJNQNLNOLGT-UHFFFAOYSA-O Piperidinium(1+) Chemical compound C1CC[NH2+]CC1 NQRYJNQNLNOLGT-UHFFFAOYSA-O 0.000 claims description 3
- RWRDLPDLKQPQOW-UHFFFAOYSA-O Pyrrolidinium ion Chemical compound C1CC[NH2+]C1 RWRDLPDLKQPQOW-UHFFFAOYSA-O 0.000 claims description 3
- 239000007983 Tris buffer Substances 0.000 claims description 3
- 150000004820 halides Chemical class 0.000 claims description 3
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 claims description 3
- JFZKOODUSFUFIZ-UHFFFAOYSA-N trifluoro phosphate Chemical compound FOP(=O)(OF)OF JFZKOODUSFUFIZ-UHFFFAOYSA-N 0.000 claims description 3
- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 19
- 229910001416 lithium ion Inorganic materials 0.000 description 17
- 239000000463 material Substances 0.000 description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 230000008569 process Effects 0.000 description 15
- 239000002609 medium Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 13
- 238000000926 separation method Methods 0.000 description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 11
- 239000002033 PVDF binder Substances 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000003756 stirring Methods 0.000 description 9
- 229910005800 NiMnCo Inorganic materials 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 7
- 239000008188 pellet Substances 0.000 description 7
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 230000004913 activation Effects 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- -1 bis (trifluoromethanesulfonyl) imide anions Chemical class 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000010406 cathode material Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VAYTZRYEBVHVLE-UHFFFAOYSA-N 1,3-dioxol-2-one Chemical compound O=C1OC=CO1 VAYTZRYEBVHVLE-UHFFFAOYSA-N 0.000 description 2
- IQQRAVYLUAZUGX-UHFFFAOYSA-N 1-butyl-3-methylimidazolium Chemical compound CCCCN1C=C[N+](C)=C1 IQQRAVYLUAZUGX-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 239000006184 cosolvent Substances 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000002296 dynamic light scattering Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 231100000053 low toxicity Toxicity 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004626 scanning electron microscopy Methods 0.000 description 2
- JCQGIZYNVAZYOH-UHFFFAOYSA-M trihexyl(tetradecyl)phosphanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)CCCCCC JCQGIZYNVAZYOH-UHFFFAOYSA-M 0.000 description 2
- BRZPKPBILWYHGW-UHFFFAOYSA-N 5-methyl-1,3-dioxonan-2-one Chemical compound C1(OCC(C)CCCCO1)=O BRZPKPBILWYHGW-UHFFFAOYSA-N 0.000 description 1
- 239000007848 Bronsted acid Substances 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910015645 LiMn Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229960003237 betaine Drugs 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 150000005676 cyclic carbonates Chemical class 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 1
- 239000000374 eutectic mixture Substances 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009854 hydrometallurgy Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 150000007530 organic bases Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 125000005207 tetraalkylammonium group Chemical group 0.000 description 1
- 125000005497 tetraalkylphosphonium group Chemical group 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- PYVOHVLEZJMINC-UHFFFAOYSA-N trihexyl(tetradecyl)phosphanium Chemical compound CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)CCCCCC PYVOHVLEZJMINC-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/54—Reclaiming serviceable parts of waste accumulators
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/40—Complex oxides containing nickel and at least one other metal element
- C01G53/42—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2
- C01G53/44—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese
- C01G53/50—Complex oxides containing nickel and at least one other metal element containing alkali metals, e.g. LiNiO2 containing manganese of the type (MnO2)n-, e.g. Li(NixMn1-x)O2 or Li(MyNixMn1-x-y)O2
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B21/00—Obtaining aluminium
- C22B21/0015—Obtaining aluminium by wet processes
- C22B21/0023—Obtaining aluminium by wet processes from waste materials
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
- C22B7/008—Wet processes by an alkaline or ammoniacal leaching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Definitions
- the present invention relates to the general field of recycling accumulators or batteries, for example, lithium and, more particularly, recycling Li-ion type batteries.
- the invention relates to a recycling method for recycling positive electrodes or negative electrodes.
- the invention is particularly advantageous since it makes it possible to enhance both the active material and the current collector.
- Lithium-ion accumulators include an anode, a cathode, a separator, an electrolyte and a casing which can be a polymer bag, or a metal packaging.
- the negative electrode generally comprises graphite, mixed with a binder of the carboxymethylcellulose (CMC) or polyvinylidene fluoride (PVDF) type, and deposited on a copper foil acting as a current collector.
- CMC carboxymethylcellulose
- PVDF polyvinylidene fluoride
- the positive electrode is a lithium ion insertion material (for example, UC0O 2 , LiMn0 2 , LÎ 3 NiMnCo0 6 , LiFeP0 4 ), mixed with a binder of the polyvinylidene fluoride type, and deposited on a sheet of polyvinylidene fluoride. aluminum playing the role of current collector.
- a lithium ion insertion material for example, UC0O 2 , LiMn0 2 , LÎ 3 NiMnCo0 6 , LiFeP0 4
- the electrolyte consists of lithium salts (UPF 6 , L1BF 4 , UCF 3 SO 3 , L1CIO 4 ) dissolved in an organic base consisting of mixtures of binary or ternary solvents based on cyclic carbonates (ethylene carbonate, carbonate of propylene, butylene carbonate), linear or branched (dimethyl carbonate, diethyl carbonate, ethyl methyl carbonate, dimethoxyethane) in various proportions.
- cyclic carbonates ethylene carbonate, carbonate of propylene, butylene carbonate
- linear or branched dimethyl carbonate, diethyl carbonate, ethyl methyl carbonate, dimethoxyethane
- the operation is as follows: during charging, the lithium de-intercalates from the active material of the positive electrode and is inserted into the active material of the negative electrode. When discharging, the process is reversed.
- the pre-treatment steps are fundamental because they condition the quantity of “black mass” (mixture containing the metals of the positive electrode) which can then be treated by the hydrometallurgical route.
- the aim is to obtain the fraction as concentrated as possible in metals while limiting the quantity of impurities as much as possible.
- the separation of the current collectors (Cu, Al) from the insertion materials (carbon, metal oxides) is generally obtained by thermal and / or mechanical means.
- BMIM ionic liquid
- BF4 ionic liquid
- the separation efficiency of the aluminum collector from the active material UC0O2 is 99% for a treatment of 25min [1].
- the treatment has several drawbacks: it must be operated at a very high temperature of 180 ° C and the use of a BF4 type anion is harmful for use in an ambient atmosphere because it is degraded by hydrolysis with water. , and forms hydrofluoric acid.
- the melting of the PVDF binder of a cathode was also carried out with a molten AlCl-NaCl salt heated to 160 ° C., with an active material / molten salt ratio of 10%.
- the separation efficiency of the aluminum collector from the active material LiCo0 2 is 99.8% by mass after 20min of treatment [2].
- the treatment is carried out at a temperature which is also very high of 160 ° C.
- the use of a salt of the AICI3 type, sensitive to water, can lead to its hydrolysis and to the dissolution of the collector.
- PVDF can be degraded using as ionic liquid glycerol choline chloride (a deep eutectic solvent), heated to 190 ° C. After 15 min, the separation efficiency of the aluminum collector from the active material Li (NiMnCo) i / 302 is 99.86% [3]. However, the temperatures necessary for carrying out the process are also very high.
- ionic liquid glycerol choline chloride a deep eutectic solvent
- An aim of the present invention is to provide a method making it possible to recycle an electrode by effectively separating the active material from the current collector, the method having to be able to be implemented at reasonable temperatures (typically below 160 ° C.).
- the present invention provides a method for recycling at least one electrode comprising the following successive steps: a) providing at least one electrode comprising a current collector, an active material and, optionally, a binder, b) immersing the at least one electrode in an ionic liquid solution, comprising a solvent ionic liquid, in the presence of ultrasound, whereby the active material, and optionally the binder, is separated from the current collector.
- the invention differs fundamentally from the prior art by the implementation of the separation step with an ionic liquid in the presence of ultrasound.
- the ionic liquid medium makes it possible to detach and selectively separate the various components of an electrode, without dissolving the binder when it is present, without degrading the medium, while preventing the evolution of gas.
- the detachment / exfoliation of the insertion materials of the current collector are carried out over a very short time (typically less than 1 h, or even less than or equal to 30 min) and for temperatures low (typically less than or equal to 150 ° C) with efficiencies greater than 99%.
- the proposed method makes it possible to separately extract and recover the current collector and the active material of an electrode.
- the electrode is a positive electrode.
- positive electrode also called cathode
- cathode the electrode which is the site of oxidation during charging and which is the site of reduction during discharge.
- the electrode is a negative electrode.
- negative electrode also called anode
- the electrode which is the site of reduction during charging and which is the site of oxidation during discharge.
- the ionic solvent liquid comprises a cation chosen from one of the following families: imidazolium, pyrrolidinium, ammonium, piperidinium and phosphonium.
- the ionic solvent liquid comprises an anion chosen from halides or bis (trifluoromethanesulfonyl) imide anions (CFsSC ⁇ N denoted TFSI, bis (fluorosulfonyl) imide (FSC ⁇ N denoted FSI, trifluoromethanesulfonate or triflate denoted CF 3 SO 3 , tris (pentafluoroethyl) trifluorophosphate denoted FAP and bis (oxalato) borate denoted BOB.
- TFSI trifluoromethanesulfonyl imide anions
- FSC ⁇ N bis (fluorosulfonyl) imide
- FAP bis (fluoromethanesulfonate or triflate
- BOB bis (oxalato) borate
- the anion is a chloride, in association with an ammonium or phosphonium cation.
- the ionic solvent liquid is preferably [P66614] [CI].
- the ionic liquid solution forms a deep eutectic solvent.
- the deep eutectic solvent is a mixture of choline chloride and ethylene glycol.
- step b) is carried out at a temperature ranging from 20 ° C to 150 ° C, and preferably from 30 ° C to 120 ° C.
- step b) is carried out for a period ranging from 2 min to 1 h, and preferably from 3 min to 30 min.
- the power of the ultrasound ranges from 0.5 to 16kW.
- the frequency of the ultrasound is between 16KHz and 500KHz and preferably between 16KHz and 50KHz.
- the ionic liquid solution contains one or more additional ionic liquids.
- a plurality of electrodes is provided, said electrodes being identical or of different types.
- the process can operate in a closed circuit.
- FIG. 1 is a photographic photograph showing positive current collectors, and the active material in particulate form obtained after the implementation of a method of the prior art.
- FIGS. 2a and 2b are images obtained by scanning electron microscopy of active material, in particulate form, obtained after the implementation of a method of the prior art.
- FIG. 2c is a photograph obtained by X-ray diffraction on the active material after the implementation of a method of the prior art
- FIG. 3 is a photographic photograph showing positive current collectors, and active material in particulate form obtained after the implementation of a particular embodiment of the method according to the invention.
- FIGS. 4a and 4b are images obtained by scanning electron microscopy of active material, in particulate form, and of a positive current collector, obtained after the implementation of a method of the prior art.
- FIG. 5 is a photographic photograph showing negative current collectors, and the active material in particulate form obtained after the implementation of a particular embodiment of the method according to the invention.
- FIG. 6 is a photographic photograph showing negative current collectors, and active material in particulate form obtained after the implementation of a particular embodiment of the method according to the invention.
- FIG. 7 is a photographic photograph showing positive current collectors, and active material in particulate form obtained after the implementation of a particular embodiment of the method according to the invention. DETAILED PRESENTATION OF PARTICULAR EMBODIMENTS
- the invention particularly finds applications in the field of recycling and / or upgrading electrodes of batteries / accumulators / cells of the Li-ion type.
- the recycling process comprises the following successive steps: a) supplying an electrode comprising a current collector covered by an active material and, optionally, a binder, b) immersing the electrode in an ionic liquid solution, comprising a liquid ionic solvent, in the presence of ultrasound, whereby the active material, and optionally the binder, is separated from the current collector.
- the electrode can come, for example, from a battery or an accumulator.
- the active material is an active insertion material (also called an active material).
- binder is meant a polymeric binder.
- the active material and the binder are preferably mixed.
- the electrode can be a negative electrode (anode).
- the active material of the negative electrode is, for example, carbon-based, for example, graphite. It can also be lithium titanate LUT O ⁇ (LTO).
- the active material can be mixed with a PVDF type binder.
- the current collector can be copper foil.
- the electrode can be a positive electrode (cathode).
- the active material is a lithium ion insertion material. It may be a lamellar oxide of the UMO2 type, a UMPO4 phosphate of olivine structure or else a spinel compound LiMn 0 4 . M represents a transition metal.
- One will choose, for example, UC0O2, LiMn0 2 , LiNi0 2 , LÎ 3 NiMnCo0 6 , or LiFeP04.
- the insert material can be mixed with a polyvinylidene fluoride binder. It is deposited on a current collector, for example, aluminum foil.
- the largest dimension of the electrode is, for example, between 0.05 cm and 15 cm, and preferably between 0.5 and 5 cm.
- the electrode is immersed in the ionic liquid solution.
- Electrodes can be immersed, consecutively or simultaneously, in the ionic liquid solution.
- the electrode is at least partially submerged and is preferably fully submerged in the ionic liquid solution.
- the electrode can be attached to another element or float in the ionic liquid solution.
- the ionic liquid solution makes it possible to separate, from the current collector, the active material in the form of particles and to stabilize these particles while preventing their dissolution. It is also possible to separate the active material in the form of a block of particles, the cohesion of which can be ensured by the binder.
- particles elements of shape, for example, spherical, elongated, or ovoid. They may have a larger dimension less than 200pm, for example ranging from 2nm to 20pm. In the case of spherical particles, this is the diameter. This size can be determined by dynamic light scattering (DLS).
- DLS dynamic light scattering
- the solution comprises one or more ionic liquids.
- ionic liquid is understood to mean the association of at least one cation and of at least one anion which generates a liquid with a melting point of less than or close to 100 ° C.
- Ionic liquids are non-volatile and non-flammable solvents and are chemically stable at temperatures above 200 ° C.
- the ionic liquid solution comprises at least one ionic liquid called solvent ionic liquid.
- solvent ionic liquid is meant an ionic liquid which is thermally and chemically stable minimizing an effect of degradation of the medium during the detachment phenomenon.
- the ionic liquid solution can also comprise one or more (two, three for example) additional ionic liquids, that is to say it comprises a mixture of several ionic liquids.
- the additional ionic liquid (s) (L, LI 3 , ...) have an advantageous role with respect to the detachment step and in particular with respect to one or more properties of: viscosity, solubility, hydrophobicity, melting temperature.
- the cation of the ionic solvent liquid is preferably chosen from one of the following families: imidazolium, pyrrolidinium, ammonium, piperidinium and phosphonium.
- the cation is a cation with low environmental impact, and low cost.
- an ammonium or phosphonium cation will be chosen.
- the cation can be chosen from the group consisting of a tetraalkylammonium, a / V, / V-dialkylimidazolium, a / V, / V-dialkylpyrrolidinium, a tetraalkylphosphonium, a trialkylsulfonium and a / V, / V-dialkylpiperidinium.
- the phosphonium cations are stable and facilitate the extraction of the active material in particulate form.
- a cation will be chosen having C 2 -C 14 alkyl or fluoroalkyl chains, typically the [P66614] + (trihexyltetradecylphosphonium) cation.
- the cation of the ionic solvent liquid is associated with an anion which is indifferently organic or inorganic, preferably having a low environmental impact and a low cost.
- anions will be used which make it possible to obtain at least one, and preferably all, of the following properties:
- the anion of the solvent ionic liquid has no or very little complexing affinity.
- the anion is, for example, chosen from halides, anions bis (trifluoromethanesulfonyl) imide (CF 3 S0 2 ) 2 N denoted TFSI, bis (fluorosulfonyl) imide (FS0) 2 N- denoted FSI, trifluoromethanesulfonate or triflate CF 3 SO 3 , tris (pentafluoroethyl) trifluorophosphate noted FAP and bis (oxalato) borate noted BOB.
- the chloride anion is chosen, for example, in combination with an ammonium or phosphonium cation.
- an ammonium or phosphonium cation By way of illustration, one can use the ionic liquid solvent trihexyltetradecylphosphonium chloride noted [P66614] [CI].
- P66614 trihexyltetradecylphosphonium chloride
- CI trihexyltetradecylphosphonium chloride
- preference will be given to a low-cost medium with low environmental impact (biodegradability).
- an ionic liquid forming a deep eutectic solvent or DES for “deep eutectic solvents”. It is a liquid mixture at room temperature obtained by forming a eutectic mixture of 2 salts, of general formula:
- Cat] + is the cation of the ionic liquid solvent (eg ammonium),
- [Y] a Lewis or Bronsted acid which can be complexed by the anion X of the ionic liquid solvent, and z the number of molecules Y.
- DES is choline chloride in combination with a very low toxicity H-bond donor, such as ethylene glycol, glycerol or urea, which ensures a non-toxic and very low cost DES.
- a very low toxicity H-bond donor such as ethylene glycol, glycerol or urea
- the choline chloride can be replaced by betaine.
- the ionic liquid solution can comprise a drying agent, and / or an agent promoting the transport of material.
- the anhydrous drying agent can be a salt which does not intervene in the reactions at the electrodes and which does not react with the solvent, for example MgS0 4 , Na 2 S0 4 , CaCl, CaS0 4 , K 2 C0 3 , NaOH, KOH or CaO.
- the material transport promoting agent is, for example, a fraction of a co-solvent which can be added to decrease the viscosity, such as 5% water.
- An organic solvent can also be introduced and, more advantageously, the electrolyte residues of batteries can be used as a co-solvent (carbonate-based medium) to increase the recycling rate of the battery.
- the concentration of the material transport promoting agent is advantageously from 1% to 40% and more preferably from 5% to 15% by weight.
- the temperature of the mixture is preferably less than 160 ° C, and even more preferably less than 150 ° C. It ranges, for example, from 20 ° C to 150 ° C, preferably from 30 ° C to 150 ° C, even more preferably from 30 ° C to 120 ° C.
- Step b) can be carried out under air or under an inert atmosphere such as, for example, under argon or nitrogen.
- Stirring for example between 50 revolutions / min and 2000 revolutions / min, can be carried out to ensure the supply of reagent. This speed will be adjusted according to the ionic liquid solution. Preferably, the agitation ranges from 200 rpm to 800 rpm.
- Step b) is carried out under ultrasound. Ultrasonic activation significantly reduces the temperature and / or the time required to fully lift the active material from the current collector.
- the frequency of the ultrasound is between 16KHz and 500KHz and preferably between 16KHz and 50KHz.
- the power of the ultrasound is between 0.5 and 16kW.
- step b) (detachment step) can be estimated according to the nature and the dimensions of the ground material from the batteries and accumulators.
- the method for recycling the electrode can be implemented in a method for recycling cells and / or accumulators and / or batteries.
- the recycling process can include the following steps: sorting, dismantling of the battery, physical pre-treatment (grinding, manual separation, etc.) and / or chemical (washing of the electrolyte, etc.), implementation of the process of recycling of the previously described electrode.
- This recycling process can also include a subsequent step during which conventional techniques are carried out (pyrometallurgical and / or hydrometallurgical, etc.) to recover and enhance the various components, and mainly, the active material (metal oxide).
- conventional techniques pyrometallurgical and / or hydrometallurgical, etc.
- the active material metal oxide
- Example 1 Detachment of a positive electrode in an ionic liquid medium P66614 Cl (comparative example):
- a Li-ion 18650 battery is first discharged, opened and then dried.
- the positive electrode formed by an aluminum collector and active materials of the Li (NiMnCo) i / 302 type, is removed manually.
- the positive electrode in the form of electrode pellets, is immersed in 50mL of an ionic liquid solution [P666i4] [CI] (Trihexyltetradecylphosphonium chloride) at a temperature of 110 ° C with stirring of 200 revolutions / min (rpm ). After 1 hour of treatment, the separation of the active material is complete.
- Aluminum is particle-free and free from corrosion on the surface, while the active material (Li (NiMnCo) i / 302)) is in the form of small, intact particles ( Figure 1).
- Example 2 Detachment of a positive electrode in Ethalin ionic liquid medium (comparative example):
- a Li-ion 18650 battery is first discharged, opened and then dried.
- the positive electrode formed by an aluminum collector and active materials of type Li (NiMnCo) i / 302 is removed manually.
- Electrode pellets are then immersed in 50 ml of an Ethalin ionic liquid solution (mixture of choline chloride: ethylene glycol in a 1: 2 ratio) at a temperature of 150 ° C. with stirring at 200 revolutions / min.
- the active material (Li (NiMnCo) i / 302)) is in the form of small particles ( Figures 2a, 2b) and the aluminum, free of particles, and does not show any sign of corrosion. its surface. X-ray diffraction analysis confirms that the particles have a composition (cobalt, manganese and nickel) identical to that of the initial one ( Figure 2c).
- Example 3 Detachment of a positive electrode in an Ethalin ionic liquid medium with activation by ultrasound according to the invention:
- a Li-ion 18650 battery is first discharged, opened and then dried.
- the positive electrode formed by an aluminum current collector and Li-type active materials (NiMnCo) i / 302) is removed manually.
- Electrode pellets are immersed in 50 ml of an Ethalin ionic liquid solution (mixture of choline chloride: ethylene glycol in a 1: 2 ratio) at 150 ° C. with stirring at 200 revolutions / min and in the presence of ultrasound.
- Ethalin ionic liquid solution mixture of choline chloride: ethylene glycol in a 1: 2 ratio
- the aluminum is particle-free, shows no sign of surface corrosion and the active material (Li (NiMnCo) i / 302)) is in the form of small, intact particles (Figure 3).
- Example 4 Detachment of a negative electrode in an Ethalin ionic liquid medium (comparative example):
- a Li-ion 18650 battery is first discharged, opened and then dried.
- the negative electrode formed by a current collector made of copper and carbon as active material is removed manually.
- Electrode pellets are immersed in 50 ml of an Ethalin ionic liquid solution (mixture of choline chloride: ethylene glycol in a 1: 2 ratio) at 150 ° C. with stirring at 200 revolutions / min.
- Ethalin ionic liquid solution mixture of choline chloride: ethylene glycol in a 1: 2 ratio
- Example 5 Detachment of a negative electrode in an Ethalin ionic liquid medium with activation by ultrasound according to the invention:
- a SAMSUNG 18650 Li-ion battery is first discharged, opened and then dried.
- the negative electrode carbon and copper collector
- Electrode pellets are then immersed in 50 ml of an ionic liquid solution of ethalin (mixture of choline chloride: ethylene glycol in a 1: 2 ratio) at 30 ° C. with stirring at 200 revolutions / min and in the presence of ultrasound.
- ethalin mixture of choline chloride: ethylene glycol in a 1: 2 ratio
- Example 6 Detachment of a negative electrode in an Ethalin ionic liquid medium with activation by ultrasound according to the invention:
- a SONY 18650 Li-ion battery is first discharged, opened and then dried.
- the negative electrode carbon and copper collector
- Electrode pellets are then immersed in 50 mL of an Ethalin ionic liquid solution (mixture of choline chloride: ethylene glycol in a 1: 2 ratio) at 30 ° C with stirring at 200 revolutions / min and in the presence of ultrasound. .
- Ethalin ionic liquid solution mixture of choline chloride: ethylene glycol in a 1: 2 ratio
- Example 7 Detachment of a positive electrode in an Ethalin ionic liquid medium with activation by ultrasound according to the invention:
- a SAMSUNG 18650 Li-ion battery is first discharged, opened and then dried.
- the positive electrode (NMC and aluminum collector) is removed manually.
- Electrode pellets are then immersed in 50 ml of an Ethalin ionic liquid solution (mixture of choline chloride: ethylene glycol in a 1: 2 ratio) at 120 ° C. with stirring at 200 revolutions / min and in the presence of ultrasound.
- Ethalin ionic liquid solution mixture of choline chloride: ethylene glycol in a 1: 2 ratio
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2003254A FR3108918B1 (fr) | 2020-04-01 | 2020-04-01 | Procede de recyclage d’une electrode |
| PCT/FR2021/050537 WO2021198600A1 (fr) | 2020-04-01 | 2021-03-26 | Procede de recyclage d'une electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4128417A1 true EP4128417A1 (fr) | 2023-02-08 |
Family
ID=70804812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21720805.7A Withdrawn EP4128417A1 (fr) | 2020-04-01 | 2021-03-26 | Procede de recyclage d'une electrode |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20240213560A1 (fr) |
| EP (1) | EP4128417A1 (fr) |
| JP (1) | JP2023520526A (fr) |
| KR (1) | KR20230028718A (fr) |
| CA (1) | CA3172485A1 (fr) |
| FR (1) | FR3108918B1 (fr) |
| WO (1) | WO2021198600A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118829613A (zh) * | 2021-11-19 | 2024-10-22 | 加利福尼亚大学董事会 | 用于锂离子电池的回收方法 |
| CN114317984B (zh) * | 2022-01-04 | 2023-04-25 | 华北理工大学 | 一种利用旋流分级-离子液体-超声协同选择性浸锌方法 |
| WO2025181656A1 (fr) * | 2024-02-26 | 2025-09-04 | Eni S.P.A. | Procédé de récupération de matériau de cathode à partir de batteries au lithium-ion |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2735146B2 (ja) * | 1994-06-06 | 1998-04-02 | 工業技術院長 | アルカリ蓄電池の回収法 |
| JP4406845B2 (ja) * | 2007-02-20 | 2010-02-03 | トヨタ自動車株式会社 | 二次電池電極材の剥離剤及び該剥離剤を用いた二次電池の処理方法 |
| JP2011001570A (ja) * | 2009-06-16 | 2011-01-06 | Sumitomo Metal Mining Co Ltd | 電極材料の貴金属成分抽出方法 |
| JP2017084681A (ja) * | 2015-10-30 | 2017-05-18 | 住友金属鉱山株式会社 | 使用済みリチウムイオン二次電池の正極材料の回収方法 |
| CN109536713B (zh) * | 2018-11-21 | 2020-03-13 | 中国科学院长春应用化学研究所 | 一种利用离子液体分离废旧锂离子电池正极活性物质与铝箔的方法 |
| GB202001183D0 (en) * | 2020-01-28 | 2020-03-11 | Univ Birmingham | Electrode separation |
-
2020
- 2020-04-01 FR FR2003254A patent/FR3108918B1/fr active Active
-
2021
- 2021-03-26 CA CA3172485A patent/CA3172485A1/fr active Pending
- 2021-03-26 US US17/907,114 patent/US20240213560A1/en active Pending
- 2021-03-26 WO PCT/FR2021/050537 patent/WO2021198600A1/fr not_active Ceased
- 2021-03-26 KR KR1020227038249A patent/KR20230028718A/ko not_active Withdrawn
- 2021-03-26 JP JP2022560264A patent/JP2023520526A/ja active Pending
- 2021-03-26 EP EP21720805.7A patent/EP4128417A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR3108918A1 (fr) | 2021-10-08 |
| KR20230028718A (ko) | 2023-03-02 |
| CA3172485A1 (fr) | 2021-10-07 |
| US20240213560A1 (en) | 2024-06-27 |
| FR3108918B1 (fr) | 2022-12-09 |
| JP2023520526A (ja) | 2023-05-17 |
| WO2021198600A1 (fr) | 2021-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4158719A1 (fr) | Procede de separation selective d'un materiau carbone d'un melange d'electrodes positives et d'electrodes negatives | |
| WO2005101564A9 (fr) | Procede de recyclage en melange des piles et batteries a anode a base de lithium | |
| EP4128417A1 (fr) | Procede de recyclage d'une electrode | |
| EP3948993B1 (fr) | Procede de broyage d'un generateur electrochimique | |
| EP4226455B1 (fr) | Procede d'ouverture d'un generateur electrochimique | |
| EP3948994B1 (fr) | Procédé de neutralisation d'un générateur électrochimique | |
| EP4226454B1 (fr) | Procede de decharge d'un generateur electrochimique | |
| EP4315479A1 (fr) | Procédé de recyclage de sels de lithium issus des batteries | |
| EP4420175A1 (fr) | Procede d'ouverture d'un generateur electrochimique | |
| FR3139580A1 (fr) | Procede d’ouverture et de decharge d’un generateur electrochimique | |
| WO2025125752A1 (fr) | Procedes de purification et de regeneration de materiaux actifs d'electrodes de batterie | |
| FR3121551A1 (fr) | Procede de dissolution d’un materiau d’electrode positive | |
| CA2478428A1 (fr) | Procede de purification en surface d'un graphite contenant des impuretes a l'aide d'une solution aqueuse diluee de nh4f et de h2so4 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20221028 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: BILLY, EMMANUEL |
|
| RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ORANO Owner name: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIESALTERNATIVES |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |
|
| 18W | Application withdrawn |
Effective date: 20250212 |