CN108365166A - 一种改性锂电池电极结构及其制备方法、锂电池结构 - Google Patents
一种改性锂电池电极结构及其制备方法、锂电池结构 Download PDFInfo
- Publication number
- CN108365166A CN108365166A CN201711371291.5A CN201711371291A CN108365166A CN 108365166 A CN108365166 A CN 108365166A CN 201711371291 A CN201711371291 A CN 201711371291A CN 108365166 A CN108365166 A CN 108365166A
- Authority
- CN
- China
- Prior art keywords
- layer
- lithium battery
- lanthanum
- zirconium
- tantalum
- 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.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 73
- 150000002641 lithium Chemical class 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003792 electrolyte Substances 0.000 claims abstract description 45
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 41
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 38
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 38
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 37
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 37
- 150000002500 ions Chemical class 0.000 claims abstract description 12
- 239000000843 powder Substances 0.000 claims description 40
- 238000005245 sintering Methods 0.000 claims description 32
- 238000000227 grinding Methods 0.000 claims description 18
- 239000002994 raw material Substances 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 229910010886 Li7-xLa3Zr2-xTaxO12 Inorganic materials 0.000 claims description 13
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 238000003786 synthesis reaction Methods 0.000 claims description 11
- 229910002984 Li7La3Zr2O12 Inorganic materials 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 8
- 239000013067 intermediate product Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 238000010532 solid phase synthesis reaction Methods 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 5
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 4
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 4
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 claims description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 2
- 229910001947 lithium oxide Inorganic materials 0.000 claims 1
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000005036 potential barrier Methods 0.000 abstract description 5
- 239000007787 solid Substances 0.000 description 12
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical group O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000003607 modifier Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910001386 lithium phosphate Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910002339 La(NO3)3 Inorganic materials 0.000 description 1
- 229910002249 LaCl3 Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910007932 ZrCl4 Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- -1 compound esters Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910021512 zirconium (IV) hydroxide Inorganic materials 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- 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
-
- 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
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
-
- 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
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0421—Methods of deposition of the material involving vapour deposition
- H01M4/0423—Physical vapour deposition
- H01M4/0426—Sputtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
- C04B2235/3203—Lithium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3251—Niobium oxides, niobates, tantalum oxides, tantalates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0068—Solid electrolytes inorganic
- H01M2300/0071—Oxides
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
本发明涉及锂电池技术领域,尤其涉及一种改性锂电池电极结构及其制备方法和锂电池结构。一种改性锂电池电极结构,该改性锂电池电极结构用于电解质包括Li7La3Zr2O12的锂电池中,该改性锂电池电极结构包括电极层和形成在所述电极层之上的缓冲结构层,所述缓冲结构层包括含有锂、镧、锆及钽的氧化物。电极结构层上形成有缓冲结构层,所述缓冲结构层包括含有锂、镧、锆及钽的氧化物。缓冲结构层的费米能级处在电极结构和电解质之间,能很好的降低锂离子在电解质和电极结构之间的传输势垒,能很好的降低电解质和电极结构之间的界面阻抗,提高导电离子的传导性能。
Description
【技术领域】
本发明涉及锂电池技术领域,尤其涉及一种改性锂电池电极结构及其制备方法和锂电池结构。
【背景技术】
固态锂电池具有安全性高、使用寿命长、能量密度高等特点,是目前锂电池研究领域的热点之一,未来有望在电动汽车和智能电网等领域得到广泛应用。在固态锂电池中,界面特性是决定电池性能的关键所在。
目前,固态锂电池中存在固-固界面粘附性不佳,贴合不紧密,电极层与电解质层中离子传输的势垒会引起界面阻抗增大;同时,固-固界面间的剥离以及电池内部的未知副反应会导致界面稳定性不佳的问题,进而造成电池使用寿命缩短甚至损坏。现有技术主要是通过高温处理技术降低固-固界面阻抗,但高温处理会使元素扩散能力增强,化学反应活性增加,反而降低了固-固界面的稳定,因此不能真正意义上达到降低固-固界面间的阻抗,影响导电离子的传输性能。
【发明内容】
为克服目前固态锂电池电极层和电解质层之间的固-固界面阻抗大的问题,本发明基于能带缓冲工程,通过掺杂调制缓冲层的费米能级和离子传输势垒,降低固态锂电池中电解质层与电极层之间固-固界面阻抗,提高导电离子传导速率的一种改性锂电池电极结构及其制备方法以及锂电池结构。
为了解决上述技术问题,本发明提供一技术方案:
一种改性锂电池电极结构,该改性锂电池电极结构用于电解质包括Li7La3Zr2O12的锂电池中,其特征在于:该改性锂电池电极结构包括电极层和形成在所述电极层之上面向电解质层一侧的缓冲结构层,所述缓冲结构层包括含有锂、镧、锆及钽的氧化物。
优选地,所述电极层包括正极层和负极层。
优选地,所述缓冲结构层包括含有锂、镧、锆及钽的氧化物为Li7-xLa3Zr2-xTaxO12,所述x的值大于0小于2。
优选地,所述缓冲结构层的厚度为:2-20nm。
进一步地,本发明为了解决上述技术问题,提供了另一技术方案:一种制备上述所述改性锂电池电极结构的方法,包括如下步骤:
利用高温固相合成法制备所述缓冲结构层所包括的锂、镧、锆及钽的氧化物;
利用磁控溅射法将所述缓冲结构层所包括锂、镧、锆及钽的氧化物溅射在所述电极层之上得到缓冲结构层。
优选地,利用高温固相合成法制备所述缓冲结构层所包括的锂、镧、锆及钽氧化物的步骤如下:
将合成所述含锂、镧、锆及钽的氧化物原料粉末混匀并研磨、压片得到粉末预制品;
将粉末预制品进行第一次烧结,烧结温度为900-1000℃,烧结时间为10-14h,得到第一烧结物;
将占所述第一烧结物总质量1%的Li3PO4添加到所述第一烧结物混匀并进行反复球磨获得中间产物;
将所述中间产物进行第二次烧结,烧结温度为1100-1200℃,烧结时间为5-8h,制得缓冲结构层所包括的锂、镧、锆及钽的氧化物。
优选地,将合成所述含锂、镧、锆及钽的氧化物原料粉末混匀并研磨之前,添加研磨助剂与合成所述含锂、镧、锆及钽的氧化物原料粉末混匀。
优选地,在进行第一次烧结之前向粉末混合物中添加所述粉末混合物质量总数的15%的LiOH·H2O。
优选地,将所述中间体进行第二次烧结前,先利用冷等静压技术将所述中间体压入耐高压容器中,然后在所述耐高压容器的入口处覆盖粉末预制品。
更进一步地,为了解决上述技术问题,提供又一技术方案:一种锂电池结构,其包括如上述所述的改性离子电极结构和电解质,所述电解质包括Li7La3Zr2O12。
与现有技术相比,电极结构上形成有缓冲结构层,所述缓冲结构层包括含有锂、镧、锆及钽的氧化物,电解质包括Li7La3Zr2O12。缓冲结构层的费米能级处在电极结构和电解质之间,能很好的降低锂离子在电解质和电极结构之间的传输势垒,能很好的降低电解质和电极结构之间的界面阻抗,提高导电离子的传导性能。
所述电极层包括正极层和负极层,所述缓冲结构层可以形成在正极层和负极层之一者上或者两者之上,使得缓冲结构层能很好的根据导电性能的需求,形成在相应的电极层之上,更好的满足降低界面阻抗的需求。
所述缓冲结构层包括含有锂、镧、锆及钽的氧化物化学通式为Li7-xLa3Zr2-xTaxO12,所述x的值大于0小于2。其和电解质Li7La3Zr2O12的区别在于利用Ta5+取代了所述电解质Li7La3Zr2O12中部分Zr4+位。Ta是惰性的金属,其在相对较低的烧结温度下,其立方石榴石结构稳定。当Ta5+取代了部分的Zr4+位之后,由于Ta5+具有5个价电子,其降低Li+的含量,从而提高Li+的空位浓度,有利于提高缓冲结构层Li7-xLa3Zr2-xTaxO12中Li+的电导率,使得缓冲结构层的电导率提高。
所述缓冲结构层的厚度为:2-20nm,能很好的降低电解质和电极结构之间的界面阻抗,保证导电离子在电解质和缓冲结构层之间的传导性能。
优选地,本发明的目的之二在于提供一种制备所述改性锂电池电极结构的方法,其包括利用高温固相合成法制备所述缓冲结构层所包括的锂、镧、锆及钽的氧化物;
利用磁控溅射法将所述缓冲结构层所包括锂、镧、锆及钽的氧化物溅射在所述电极层之上得到缓冲结构层。
在第一次烧结之后,添加占所述第一烧结物总质量1%的Li3PO4到所述第一烧结物混匀并进行反复球磨获得中间产物,Li3PO4作为烧结助剂,能很好的维持第二次烧结过程中,第一烧结物中各组分晶体形状的改变,更好的得到缓冲结构层靶材。
将合成所述含锂、镧、锆及钽的氧化物原料粉末混匀并研磨之前,添加研磨助剂与合成所述含锂、镧、锆及钽的氧化物原料粉末混匀。添加研磨助剂,能有效降低粉体表面自由能及矿石硬度,在粉体研磨过程中添加使用,可提高研磨效率和细分产率。
将所述中间体进行第二次烧结前,先利用冷等静压技术将所述中间体压入耐高压容器中,然后在所述耐高压容器的入口处覆盖粉末预制品。覆盖粉末制品能很好的补充烧结过程中相应元素的损失。
本发明的目的之三在于提供一种如上述所述的改性锂电池电极结构和电解质层,所述电解质层包括Li7La3Zr2O12,所述锂电池结构包括正极层和负极层,所述电解质设置在所述正极层和负极层之间。所述电解质层包括Li7La3Zr2O12。所述缓冲结构层包括Li7- xLa3Zr2-xTaxO12,缓冲结构层的费米能级处在正极层和电解质层之间;或者,缓冲结构层的费米能级处在负极层和电解质层之间,能很好的降低锂离子在电解质层和正极层之间或者负极层之间的传输势垒,能很好的降低锂电池结构中电解质层和正极层或者电解质层和负极层之间的界面阻抗,提高导电离子的传导性能。
【附图说明】
图1是本发明中缓冲结构层形成在正极层之上形成的改性锂电池电极结构示意图;
图2是本发明中缓冲结构层形成在负极层之上形成的改性锂电池电极结构示意图;
图3是本发明中正极层结构示意图;
图4是本发明中缓冲结构层的制备流程图;
图5是本发明中将所述缓冲结构层靶材溅射到正极层和/或负极层之上的流程图;
图6是本发明中锂电池结构的整体结构示意图;
图7为本发明中电子能带图;
图8为形成有缓冲结构层的锂电池结构和未形成有缓冲结构层的锂电池结构的界面阻抗变化效果对比图。
【具体实施方式】
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的原则之内所作的任何修改,等同替换和改进等均应包含本发明的保护范围之内。
请参阅图1和图2,一种改性锂电池电极结构10,该改性锂电池电极结构10用于电解质包括Li7La3Zr2O12的锂电池中,该改性锂电池电极结构10包括电极层和形成在所述电极层之上的缓冲结构层30。所述电极层包括正极层201和负极层202,所述缓冲结构层30可以形成在所述正极层201和负极层202之一者上,或者同时形成在两者之上。所述缓冲结构层30包括含有锂、镧、锆及钽的氧化物,所述缓冲结构层30包括含有锂、镧、锆及钽的氧化物为Li7-xLa3Zr2-xTaxO12,所述x的值大于0小于2。
请参阅图3,所述正极层201包括一正极集流体2011及在正极集流体2011上形成的由MOx无锂氧化物单晶正极晶体2012形成的单晶正极膜2013。
本发明的目的之二在于提供一种改性锂电池电极结构10的制备方法包括如下步骤:
S1:利用高温固相合成法制备所述缓冲结构层30所包括的含锂、镧、锆及钽的氧化物;
S2:利用磁控溅射法将所述缓冲结构层30所包括含锂、镧、锆及钽的氧化物溅射在所述电极层之上形成缓冲结构层30。
请参阅图4,上述步骤S1中利用高温固相合成法制备所述缓冲结构层30所包括的含锂、镧、锆及钽的氧化物的化学通式为Li7-xLa3Zr2-xTaxO12,其合成的具体步骤如下:
S11:将合成所述含锂、镧、锆及钽的氧化物原料粉末混匀并研磨、压片得到粉末预制品;
S12:将粉末预制品进行第一次烧结,烧结温度为900-1000℃,烧结时间为10-14h,得到第一烧结物;
S13:将占所述第一烧结物总质量1%的Li3PO4添加到所述第一烧结物混匀并进行反复球磨获得中间产物;
S14:将所述中间产物进行第二次烧结,烧结温度为1100-1200℃,烧结时间为5-8h,制得缓冲结构层所包括的锂、镧、锆及钽的氧化物。
上述步骤S11中,所述含锂的氧化物原料粉末选自LiO2、LiH、LiOH·H2O、LiN、LiCO3中的一种或者几种。
所述镧的氧化物原料选自La(OH)3、La2O3、La(NO3)3、LaCl3中一种或者几种。
所述锆的氧化物原料选自ZrO2、Zr(OH)4、ZrCl4中的一种或者几种。
所述钽的氧化物原料为Ta2O5。
同时,在上述S11步骤中,将合成所述含锂、镧、锆及钽的氧化物原料粉末混匀并研磨之前,添加研磨助剂与合成所述含锂、镧、锆及钽的氧化物原料粉末混匀。
本发明选用PD-2粉体助磨改性剂,PD-2粉体助磨改性剂是一种复合酯类表面活性剂,主要溶于水、乙醇、异丙醇及大部分有机溶剂。其具有优良的助磨、分散、改性作用,能有效降低粉体表面自由能及矿石硬度,在粉体研磨过程中添加使用,可提高研磨效率和细分产率。使用时,将该PD-2粉体助磨改性剂和异丙醇按照质量分数为1:1的比例溶解后得到所述研磨助剂。研磨助剂的添加量为所述步骤S1中含锂、镧、锆及钽的粉末预制品中总质量的0.07%-0.3%。添加了研磨助剂之后,将所述研磨助剂和所述含锂、镧、锆及钽的氧化物原料粉末混匀,用玛瑙球球磨22-26h。
在上述步骤S11中,压片得到粉末预制品,主要是利用冷等静压技术将研磨之后的所述含锂、镧、锆及钽的氧化物原料粉末进行冷等静压成型。冷等静压技术通常用橡胶和塑料作包覆模具材料,以液体为压力介质,压力为100-300Mpa的条件下,将粉体混合物压制成型,其目的是为下一步烧结,锻造或者热等静压等工序提供预制品。
在所述步骤S12中,在进行第一次烧结之前向粉末预制品中添加所述粉末预制品质量总数的15%的LiOH·H2O。由于第一次烧结的时间较长,在高温烧结的过程中,容易导致锂离子的损失,添加15%的LiOH·H2O是为了弥补第一次烧结过程中锂离子的损失。
在所述步骤S13中,添加占所述第一烧结物总质量1%的Li3PO4到第一烧结物中的主要目的是将其作为烧结助剂,Li3PO4的熔点为837℃,其熔点相对较低,且具有离子导电性质。同时,有些氧化物在烧结时容易发生晶型转变并伴有较大的体积效应,这就会使烧结致密化发生困难,并容易引起坯体开裂。这时若能选用适宜的烧结助剂加以抑制,即可促进烧结。如ZrO2烧结时,添加一定量的Li3PO4的就属于这一原理。在1200℃左右,稳定的单斜ZrO2转变成四方的ZrO2并伴有约10%的体积收缩,使得制品稳定性变坏。引入电价比Zr+低的Li+,可形成立方形的Zr1-xLixO2稳定固溶体,这样既防止了制品开裂,又增加了晶体中空位浓度使烧结加速。
在步骤S14中,将所述S3中制得的中间体进行第二次烧结前,先利用冷等静压技术将所述中间体压入耐高压容器中,冷等静压的压力为100-300Mpa,然后在所述耐高压容器的入口处覆盖粉末预制品。在所述耐高压容器中的入口处覆盖粉末制品,主要是补偿在第一次烧结过程中锂离子的损失。
在步骤S14中制得的缓冲结构层30所包括的含锂、镧、锆及钽的氧化物的通式为Li7-xLa3Zr2-xTaxO12,所述x的值为:0<x<2。Li7-xLa3Zr2-xTaxO12具有较高的锂离子电导率。
在本发明中,制备所述含锂、镧、锆及钽的氧化物的原料具体为LiOH·H2O、La(OH)3、ZrO2、Ta2O5。
请参阅和1和图5,所述步骤S2中,利用磁控溅射法将所述缓冲结构层30所包括的Li7-xLa3Zr2-xTaxO12氧化物溅射在所述电极层之上形成缓冲结构层30的具体步骤如下:
S21:缓冲结构层Li7-xLa3Zr2-xTaxO12氧化物靶材的安装;
S22:将所述正极层201和/或负极层202安装在基片架上;
S23:将真空抽到8.8ⅹ10-4pa以下;
S24:将基片架的温度加热至300-500℃;
S25:调节氩气和氧气的比例、溅射功率进行溅射。
所述步骤S22中:将所述正极层201和/或负极层202安装在基片架上,溅射过程中正极层201和/或负极层202在基片架上的转动速率为5r/min,以保证缓冲结构层30靶材沉积的均匀性。
所述步骤S25中氩气和氧气的比例为:1:1,溅射功率为:160W,溅射时间为6h,得到缓冲结构层30的厚度为2-20nm。
请参阅图1和图6,本发明的目的之三在于提供一种锂电池结构40,所述锂电池结构40包括如上述发明目的一提供的电极结构10。进一步地,所述锂电池结构40可进一步包括电解质50。电极结构10包括正极层201和负极层202,所述正极层201和/或所述负极层之一者上形成有缓冲结构层30,所述电解质50设置在正极层201和负极层202之间。
具体地,在本发明中,所述电解质50包括Li7La3Zr2O12。所获得的缓冲结构层30包括Li7-xLa3Zr2-xTaxO12,其和电解质Li7La3Zr2O12的区别在于利用Ta5+取代了所述电解质Li7La3Zr2O12中部分Zr4+位。Ta是惰性的金属,其在相对较低的烧结温度下,其立方石榴石结构稳定。当Ta5+取代了部分的Zr4+位之后,由于Ta5+具有5个价电子,其降低Li+的含量,从而提高Li+的空位浓度,有利于提高缓冲层靶材Li7-xLa3Zr2-xTaxO12中Li+的电导率,使得缓冲层靶材Li7-xLa3Zr2-xTaxO12的电导率提高。
请参阅图6和图7,当在正极层201面向电解质50的一侧形成缓冲结构层30之后,缓冲结构层30的费米能级处在正极层201的费米能级和电解质50的费米能级之间,使得导电Li+离子是先从电解质50跃迁到缓冲结构层30,然后再从缓冲结构层30跃迁到正极层201,而不是直接从电解质50跃迁到正极层201,很好的降低了导电Li+离子在固相界面传输的势垒,增强导电离子在电解质50和正极层201之间的传输效率,提高该锂电池结构40的导电性能。
同样可以理解的是,若在负极层202之上面向电解质50的一侧形成所述缓冲结构层30,具有与在正极层201面向电解质50的一侧形成缓冲结构层30同样的效果。同样的,还可以在正极层201面向电解质50的一侧和负极层202上面向电解质50的一侧同时形成缓冲结构层30。
请结合图6和图8,图8为界面阻抗变化效果图。对形成有缓冲结构层30的锂电池结构40和未形成有缓冲结构层30的锂电池结构同时进行交流阻拦测试(EIS),形成了缓冲结构层30之后的锂电池结构40在电解质50中的电阻和在正极层201界面的电阻均低于未形成缓冲结构层30的锂电池结构,且形成了缓冲结构层30之后的正极层201未出现新的界面。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的原则之内所作的任何修改,等同替换和改进等均应包含本发明的保护范围之内。
Claims (10)
1.一种改性锂电池电极结构,该改性锂电池电极结构用于电解质包括Li7La3Zr2O12的锂电池中,其特征在于:该改性锂电池电极结构包括电极层和形成在所述电极层之上面向电解质层一侧的缓冲结构层,所述缓冲结构层包括含有锂、镧、锆及钽的氧化物。
2.如权利要求1所述的改性锂电池电极结构,其特征在于:所述电极层包括正极层和负极层。
3.如权利要求1所述的改性锂电池电极结构,其特征在于:所述缓冲结构层包括含有锂、镧、锆及钽的氧化物为Li7-xLa3Zr2-xTaxO12,所述x的值大于0小于2。
4.如权利要求1-3中任一项所述的改性锂电池电极结构,其特征在于:所述缓冲结构层的厚度为:2-20nm。
5.一种如权利要求4所述的改性锂电池电极结构的制备方法,包括如下步骤:
S1:利用高温固相合成法制备所述缓冲结构层所包括的锂、镧、锆及钽的氧化物;
S2:利用磁控溅射法将所述缓冲结构层所包括锂、镧、锆及钽的氧化物溅射在所述电极层之上得到缓冲结构层。
6.如权利要求5所述的改性锂电池电极结构的制备方法,其特征在于:利用高温固相合成法制备所述缓冲结构层所包括的锂、镧、锆及钽氧化物的步骤如下:
将合成所述含锂、镧、锆及钽的氧化物原料粉末混匀并研磨、压片得到粉末预制品;
将粉末预制品进行第一次烧结,烧结温度为900-1000℃,烧结时间为10-14h,得到第一烧结物;
将占所述第一烧结物总质量1%的Li3PO4添加到所述第一烧结物混匀并进行反复球磨获得中间产物;
将所述中间产物进行第二次烧结,烧结温度为1100-1200℃,烧结时间为5-8h,制得缓冲结构层所包括的锂、镧、锆及钽的氧化物。
7.如权利要求6中所述的改性锂电池电极结构的制备方法,其特征在于:将合成所述含锂、镧、锆及钽的氧化物原料粉末混匀并研磨之前,添加研磨助剂与合成所述含锂、镧、锆及钽的氧化物原料粉末混匀。
8.如权利要求6中所述的改性锂电池电极结构的制备方法,其特征在于:在进行第一次烧结之前向粉末混合物中添加占所述粉末混合物质量总数的15%的LiOH·H2O。
9.如权利要求6中所述的改性锂电池电极结构的制备方法,其特征在于:将所述中间体进行第二次烧结前,先利用冷等静压技术将所述中间体压入耐高压容器中,然后在所述耐高压容器的入口处覆盖粉末预制品。
10.一种锂电池结构,其特征在于:包括如权利要求4中所述的改性离子电极结构和电解质层,所述电解质层包括Li7La3Zr2O12,所述电极结构包括正极层和负极层,所述电解质形成在所述正极层和负极层之间。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371291.5A CN108365166A (zh) | 2017-12-19 | 2017-12-19 | 一种改性锂电池电极结构及其制备方法、锂电池结构 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711371291.5A CN108365166A (zh) | 2017-12-19 | 2017-12-19 | 一种改性锂电池电极结构及其制备方法、锂电池结构 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108365166A true CN108365166A (zh) | 2018-08-03 |
Family
ID=63010252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711371291.5A Pending CN108365166A (zh) | 2017-12-19 | 2017-12-19 | 一种改性锂电池电极结构及其制备方法、锂电池结构 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108365166A (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230207887A1 (en) * | 2020-03-10 | 2023-06-29 | Corning Incorporated | Li/garnet electrolyte interface with low interfacial resistance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101855772A (zh) * | 2007-11-13 | 2010-10-06 | 住友电气工业株式会社 | 锂电池及其制造方法 |
| CN103022415A (zh) * | 2011-09-26 | 2013-04-03 | 比亚迪股份有限公司 | 一种正极及其制备方法以及一种锂离子电池 |
| CN103113107A (zh) * | 2013-02-28 | 2013-05-22 | 中国科学院上海硅酸盐研究所 | 一种制备陶瓷固态电解质的方法 |
| CN105336980A (zh) * | 2015-10-21 | 2016-02-17 | 上海动力储能电池系统工程技术有限公司 | 一种通过中间相合成的钽掺杂立方石榴石结构Li7La3Zr2-xTaxO12材料及合成方法 |
| US20160308243A1 (en) * | 2013-04-23 | 2016-10-20 | Applied Materials, Inc. | Electrochemical cell with solid and liquid electrolytes |
| CN107039634A (zh) * | 2017-05-04 | 2017-08-11 | 北京科技大学 | 锂离子电池复合正极及柔性锂电池、固态锂电池制备方法 |
| CN207719320U (zh) * | 2017-12-19 | 2018-08-10 | 成都亦道科技合伙企业(有限合伙) | 一种改性锂电池电极结构、锂电池结构 |
-
2017
- 2017-12-19 CN CN201711371291.5A patent/CN108365166A/zh active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101855772A (zh) * | 2007-11-13 | 2010-10-06 | 住友电气工业株式会社 | 锂电池及其制造方法 |
| CN103022415A (zh) * | 2011-09-26 | 2013-04-03 | 比亚迪股份有限公司 | 一种正极及其制备方法以及一种锂离子电池 |
| CN103113107A (zh) * | 2013-02-28 | 2013-05-22 | 中国科学院上海硅酸盐研究所 | 一种制备陶瓷固态电解质的方法 |
| US20160308243A1 (en) * | 2013-04-23 | 2016-10-20 | Applied Materials, Inc. | Electrochemical cell with solid and liquid electrolytes |
| CN105336980A (zh) * | 2015-10-21 | 2016-02-17 | 上海动力储能电池系统工程技术有限公司 | 一种通过中间相合成的钽掺杂立方石榴石结构Li7La3Zr2-xTaxO12材料及合成方法 |
| CN107039634A (zh) * | 2017-05-04 | 2017-08-11 | 北京科技大学 | 锂离子电池复合正极及柔性锂电池、固态锂电池制备方法 |
| CN207719320U (zh) * | 2017-12-19 | 2018-08-10 | 成都亦道科技合伙企业(有限合伙) | 一种改性锂电池电极结构、锂电池结构 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230207887A1 (en) * | 2020-03-10 | 2023-06-29 | Corning Incorporated | Li/garnet electrolyte interface with low interfacial resistance |
| US12230766B2 (en) * | 2020-03-10 | 2025-02-18 | Corning Incorporated | Li/garnet electrolyte interface with low interfacial resistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Kim et al. | Electrochemical stability of Li6. 5La3Zr1. 5M0. 5O12 (M= Nb or Ta) against metallic lithium | |
| CN112397776B (zh) | 一种Ga、Al共掺杂LLZO固态电解质、多元固态电池及其制备方法 | |
| CN113871588B (zh) | 一种锂电池核壳正极材料、含锂电池核壳正极材料的锂电池及其制备方法 | |
| Zhang et al. | Recent developments in the doped-Li4Ti5O12 anode materials of lithium-ion batteries for improving the rate capability | |
| EP4145566A1 (en) | Positive electrode material and preparation method and use therefor, lithium-ion battery positive electrode pole piece, and lithium-ion battery | |
| WO2023124574A1 (zh) | 钛、锆共掺杂碳包覆磷酸铁锂材料及其制备方法与应用 | |
| KR101762275B1 (ko) | 저온소결공정에 의한 고체전해질의 제조방법 및 그를 포함하는 전고체 리튬이차전지의 제조방법 | |
| CN107887640A (zh) | 一种石榴石结构固体电解质材料及其制备方法 | |
| JP6832073B2 (ja) | 全固体電池用正極活物質材料の製造方法 | |
| CN107634259A (zh) | 一种锂二次电池用杂交电解质和锂二次电池 | |
| CN103456939A (zh) | 利用偏钛酸制备锂离子电池负极材料碳包覆钛酸锂的方法 | |
| JP2017132682A (ja) | チタン酸リチウムとチタン酸リチウムランタンとを含む焼結体、その製造方法、及びリチウム電池 | |
| CN113363493A (zh) | 一种单晶三元正极材料、制备方法及电池 | |
| CN110620259A (zh) | 一种锂电池高晶界电导钙钛矿固态电解质及制备方法 | |
| CN103682292B (zh) | 高振实密度的钛酸锂材料制备方法 | |
| CN107104248A (zh) | 一种钾/钠离子电池用开框架氟化物正极材料及其制备方法 | |
| CN115699212A (zh) | 固体电解质材料、固体电解质、它们的制造方法和全固体电池 | |
| CN116404240A (zh) | 一种固态电解质材料及其制备方法 | |
| CN115332619A (zh) | 一种用于固态电池的高熵氧化物固态电解质材料及其制备方法与应用 | |
| CN207719320U (zh) | 一种改性锂电池电极结构、锂电池结构 | |
| CN103579599A (zh) | 含钇锂离子电池负极材料钛酸锂包碳复合材料的制备方法 | |
| CN114122505B (zh) | 固体电解质、固体电解质的制造方法及复合体 | |
| CN101967660B (zh) | 共电脱氧法制取Nb3Al超导材料的方法 | |
| CN115911297A (zh) | 一种双包覆镍三元正极材料及其制备方法 | |
| CN110165286A (zh) | 全固态锂离子电池及其一体化复合烧结制备工艺 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210210 Address after: No. 88, Yingbin Avenue, Shouan Town, Pujiang County, Chengdu, Sichuan 610000 Applicant after: Chengdu Dachao Technology Co.,Ltd. Address before: No. 1609, 16th floor, Hemei Begonia Center (Tianfu maker), No. 2039, south section of Tianfu Avenue, Tianfu New District, Chengdu, Sichuan 610213 Applicant before: CHENGDU YIDAO TECHNOLOGY PARTNERSHIP (L.P.) |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |