CN108736087A - A kind of technique that hydrometallurgic recovery discards valuable constituent in power battery - Google Patents
A kind of technique that hydrometallurgic recovery discards valuable constituent in power battery Download PDFInfo
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- CN108736087A CN108736087A CN201810500210.5A CN201810500210A CN108736087A CN 108736087 A CN108736087 A CN 108736087A CN 201810500210 A CN201810500210 A CN 201810500210A CN 108736087 A CN108736087 A CN 108736087A
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- power battery
- electrode material
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 title claims abstract description 13
- 239000000470 constituent Substances 0.000 title claims abstract description 10
- 239000007772 electrode material Substances 0.000 claims abstract description 29
- 238000007873 sieving Methods 0.000 claims abstract description 14
- 238000005188 flotation Methods 0.000 claims abstract description 12
- 238000001238 wet grinding Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000004064 recycling Methods 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 208000028659 discharge Diseases 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 239000005030 aluminium foil Substances 0.000 claims description 8
- 239000010941 cobalt Substances 0.000 claims description 8
- 229910017052 cobalt Inorganic materials 0.000 claims description 8
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 8
- 239000011889 copper foil Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000011780 sodium chloride Substances 0.000 claims description 4
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000012216 screening Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract description 2
- 239000002341 toxic gas Substances 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000010494 dissociation reaction Methods 0.000 description 3
- 230000005593 dissociations Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- -1 iron-clad Substances 0.000 description 2
- WHXSMMKQMYFTQS-NJFSPNSNSA-N lithium-9 Chemical compound [9Li] WHXSMMKQMYFTQS-NJFSPNSNSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010926 waste battery Substances 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
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/40—Complex oxides containing cobalt and at least one other metal element
- C01G51/42—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrochemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of hydrometallurgic recovery discard power battery in valuable constituent technique, the specific steps are：(1) it discharges discarded power battery；(2) discarded power battery is crushed；(3) the broken more grade mixtures obtained are carried out wet sieving；(4) the fine fraction electrode material of wet sieving acquisition is subjected to wet grinding；(5) the fine fraction electrode material after wet grinding is subjected to FLOTATION SEPARATION；(6) the coarse fraction electrode material of wet sieving acquisition is subjected to jigging sorting.Advantageous effect is：The present invention also can avoid dust pollution while realizing that valuable constituent in power battery is discarded in recycling comprehensively, reduce noxious gas emission；The present invention targetedly selects processing method to realize comprehensive recycling to each valuable component according to the property feature for discarding each component in power battery.
Description
Technical field
The invention belongs to new energy battery recycling fields, and in particular to a kind of hydrometallurgic recovery discard in power battery it is valuable at
The technique divided.
Background technology
With the popularization and application of New-energy electric vehicle, the quantity of power battery is also in the growth of blowout, is reached at it
After service life, it will generate huge pressure recovery；If mishandling, resource is not only lost, environmental pollution is also will produce.It is dynamic
Power battery structure is complicated, and composition is polynary, and each component all has the value and potentiality of recycling.Currently, discarded power battery
The process system of resource utilization is not yet sound, and only with a certain straightforward procedure can not recycle comprehensively it is all kinds of it is valuable at
Point.In the case where country advocates and establishes the overall background of conservation-minded society, to reduce the resource pressure in China, promote following for renewable resource
Ring utilizes, avoid waste battery arbitrarily abandons caused by environmental pollution the problems such as, there is an urgent need for form perfect recovery system, release
More recovery process realize the cycling and reutilization of resource.
Invention content
The purpose of the present invention be that solve the above-mentioned problems and providing a kind of hydrometallurgic recovery and discarding in power battery has
The technique of valence ingredient.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of hydrometallurgic recovery discards the technique of valuable constituent in power battery, the specific steps are：
(1) it discharges discarded power battery：The discarded power battery of recycling is placed in mass fraction 5%~10%
Discharge treatment is carried out in sodium chloride solution, to ensure discharge effect and avoiding remaining electricity residual, it is small that discharge time is set as 36~42
When.
(2) discarded power battery is crushed：Power battery taking-up after electric discharge is sent to wet method shear crusher
Carry out wet crushing, since each component in battery has the characteristics that selective dissociation, can be obtained after crushing electrode material,
More grade mixtures of iron-clad, copper foil, aluminium foil.
(3) the broken more grade mixtures obtained are carried out wet sieving：More grade mixtures of broken acquisition are carried out
It is wet sieving, obtain fine fraction electrode material and coarse fraction electrode material；Select sieve pore for 0.125mm according to crushing effect or
The high-frequency screen of 0.074mm, to improve fine fraction classification efficiency.Fine fraction electricity can be effectively reduced using wet sieving method
Residual of the pole material on sieve.
(4) the fine fraction electrode material of wet sieving acquisition is subjected to wet grinding：Fine fraction electrode under the sieve of high-frequency screen
It is the overflowball mill progress wet grinding of zirconium oxide that material, which enters liner plate and abrasive media, and cobalt is removed under abrasive action
Sour lithium and the adhesive on graphite particle surface and exposure grown surface, lay the foundation for FLOTATION SEPARATION；
(5) the fine fraction electrode material after wet grinding is subjected to FLOTATION SEPARATION：The product of overflowball mill enters floating
Machine is selected, is detached according to hydrophobic difference and obtains graphite and cobalt acid lithium；
(6) the coarse fraction electrode material of wet sieving acquisition is subjected to jigging sorting：The oversize of high-frequency screen enters jigging
Machine obtains iron-clad, copper foil and aluminium foil according to density variation successively.
Advantageous effect is：Heretofore described each process procedure, carries out so that technique exists in having aqueous systems
While realizing that valuable constituent in power battery is discarded in recycling comprehensively, dust pollution is also can avoid, reduces noxious gas emission；This
Invention targetedly selects processing method to realize to each valuable component according to the property feature for discarding each component in power battery
Comprehensive recycling；Compared with sorting process, number of devices can be reduced, and there is flow and the simple advantage of equipment.
Description of the drawings
Fig. 1 is the schematic diagram that a kind of hydrometallurgic recovery of the present invention discards the technique of valuable constituent in power battery.
1, power battery is discarded；2, it discharges；3, it is crushed；4, wet sieving；5, fine fraction electrode material；6, coarse fraction electrode
Material；7, FLOTATION SEPARATION；8, jigging sorts；9, cobalt acid lithium；10, graphite；11, iron-clad；12, copper foil；13, aluminium foil.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1, being carried out to the embodiment of the present invention as described below：
Embodiment one：
The discarded power battery 1 of recycling is placed in the sodium chloride solution of mass fraction 5% and carries out 2 processing of electric discharge, is true
It protects discharge effect and remaining electricity residual, discharge time is avoided to be set as 36 hours；Power battery taking-up after electric discharge is sent to wet method
Shear crusher carries out wet crushing 3 and after crushing may be used since each component in battery has the characteristics that selective dissociation
Obtain more grade mixtures of electrode material, iron-clad, copper foil, aluminium foil；More grade mixtures of broken acquisition are subjected to wet method sieve
Divide 4, obtains fine fraction electrode material 5 and coarse fraction electrode material 6；Select sieve pore for the high frequency of 0.125mm according to crushing effect
Sieve；Residual of the fine fraction electrode material on sieve can be effectively reduced using wet sieving method；Particulate under the sieve of high-frequency screen
It is the overflowball mill progress wet grinding of zirconium oxide that grade electrode material, which enters liner plate and abrasive media, under abrasive action
The adhesive of cobalt acid lithium and graphite particle surface and exposure grown surface are removed, is laid the foundation for FLOTATION SEPARATION；By wet grinding
Fine fraction electrode material afterwards carries out FLOTATION SEPARATION 7：The product of overflowball mill enters flotation device, according to hydrophobic difference point
From acquisition graphite 10 and cobalt acid lithium 9；The oversize of high-frequency screen enters jigging machine and carries out jigging sorting 8, successively according to density variation
Obtain iron-clad 11, copper foil 12 and aluminium foil 13.
Embodiment two：
The discarded power battery 1 of recycling is placed in the sodium chloride solution of mass fraction 7% and carries out 2 processing of electric discharge, is true
It protects discharge effect and remaining electricity residual, discharge time is avoided to be set as 40 hours；Power battery taking-up after electric discharge is sent to wet method
Shear crusher carries out wet crushing 3 and after crushing may be used since each component in battery has the characteristics that selective dissociation
Obtain more grade mixtures of electrode material, iron-clad, copper foil, aluminium foil；More grade mixtures of broken acquisition are subjected to wet method sieve
Divide 4, obtains fine fraction electrode material 5 and coarse fraction electrode material 6；Select sieve pore for the high frequency of 0.074mm according to crushing effect
Sieve；Residual of the fine fraction electrode material on sieve can be effectively reduced using wet sieving method；Particulate under the sieve of high-frequency screen
It is the overflowball mill progress wet grinding of zirconium oxide that grade electrode material, which enters liner plate and abrasive media, under abrasive action
The adhesive of cobalt acid lithium and graphite particle surface and exposure grown surface are removed, is laid the foundation for FLOTATION SEPARATION；By wet grinding
Fine fraction electrode material afterwards carries out FLOTATION SEPARATION 7：The product of overflowball mill enters flotation device, according to hydrophobic difference point
From acquisition graphite 10 and cobalt acid lithium 9；The oversize of high-frequency screen enters jigging machine and carries out jigging sorting 8, successively according to density variation
Obtain iron-clad 11, copper foil 12 and aluminium foil 13.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appending claims and equivalents circle
It is fixed.
Claims (3)
1. the technique that a kind of hydrometallurgic recovery discards valuable constituent in power battery, it is characterised in that：
Its specific steps are：
(1) it discharges discarded power battery；
(2) discarded power battery is crushed；
(3) the broken more grade mixtures obtained are carried out wet sieving：More grade mixtures of broken acquisition are subjected to wet method
Screening obtains fine fraction electrode material and coarse fraction electrode material；Select sieve pore for 0.125mm according to crushing effect or
The high-frequency screen of 0.074mm；
(4) the fine fraction electrode material of wet sieving acquisition is subjected to wet grinding：Fine fraction electrode material under the sieve of high-frequency screen
Wet grinding is carried out into the overflowball mill that liner plate and abrasive media are zirconium oxide；
(5) the fine fraction electrode material after wet grinding is subjected to FLOTATION SEPARATION：The product of overflowball mill enters flotation device,
It is detached according to hydrophobic difference and obtains graphite and cobalt acid lithium；
(6) the coarse fraction electrode material of wet sieving acquisition is subjected to jigging sorting：The oversize of high-frequency screen enters jigging machine, presses
Obtain iron-clad, copper foil and aluminium foil successively according to density variation.
2. the technique that a kind of hydrometallurgic recovery according to claim 1 discards valuable constituent in power battery, it is characterised in that：
When discharging discarded power battery, the sodium chloride that the discarded power battery of recycling is placed in mass fraction 5%~10% is molten
Discharge treatment is carried out in liquid, discharge time is set as 36~42 hours.
3. the technique that a kind of hydrometallurgic recovery according to claim 1 discards valuable constituent in power battery, it is characterised in that：
When being crushed to discarded power battery, the power battery taking-up after electric discharge is sent to wet method shear crusher progress wet method and is broken
It is broken.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500210.5A CN108736087A (en) | 2018-05-23 | 2018-05-23 | A kind of technique that hydrometallurgic recovery discards valuable constituent in power battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810500210.5A CN108736087A (en) | 2018-05-23 | 2018-05-23 | A kind of technique that hydrometallurgic recovery discards valuable constituent in power battery |
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|---|---|
| CN108736087A true CN108736087A (en) | 2018-11-02 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921123A (en) * | 2019-03-06 | 2019-06-21 | 赣州市豪鹏科技有限公司 | A kind of waste lithium cell hydrometallurgic recovery production line physical separation methods and equipment |
| CN111085334A (en) * | 2019-12-10 | 2020-05-01 | 银隆新能源股份有限公司 | A method and jigging equipment for recycling waste power battery by gravity separation method |
| CN111509192A (en) * | 2020-04-23 | 2020-08-07 | 中科(马鞍山)新材料科创园有限公司 | A method for recycling positive electrode material from waste lithium battery, obtained product and use |
| CN111822140A (en) * | 2020-06-16 | 2020-10-27 | 合肥国轩电池材料有限公司 | Recovery method of waste soft package lithium battery |
| CN111974785A (en) * | 2020-08-18 | 2020-11-24 | 广东尚鼎环境科技有限公司 | Pyrolysis recovery method for waste lithium battery |
| CN112736314A (en) * | 2020-12-29 | 2021-04-30 | 广东省科学院资源综合利用研究所 | Physical sorting and recycling method for positive and negative electrode materials of waste ternary lithium batteries |
| CN112756104A (en) * | 2020-12-28 | 2021-05-07 | 湖南邦普循环科技有限公司 | Wet sorting process for waste lithium batteries and application thereof |
| CN113644331A (en) * | 2021-06-01 | 2021-11-12 | 湖北冶金地质研究所(中南冶金地质研究所) | Cleaning and separating method for waste ternary power battery material |
| CN115739383A (en) * | 2022-11-17 | 2023-03-07 | 中国矿业大学 | Wet upgrading method for graphite electrode and battery cathode production raw materials |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109921123A (en) * | 2019-03-06 | 2019-06-21 | 赣州市豪鹏科技有限公司 | A kind of waste lithium cell hydrometallurgic recovery production line physical separation methods and equipment |
| CN111085334A (en) * | 2019-12-10 | 2020-05-01 | 银隆新能源股份有限公司 | A method and jigging equipment for recycling waste power battery by gravity separation method |
| CN111085334B (en) * | 2019-12-10 | 2023-08-04 | 银隆新能源股份有限公司 | A method and jigging equipment for recycling waste power batteries by gravity separation |
| CN111509192B (en) * | 2020-04-23 | 2021-12-10 | 中国科学院过程工程研究所 | A method for recycling positive electrode material from waste lithium battery, obtained product and use |
| CN111509192A (en) * | 2020-04-23 | 2020-08-07 | 中科(马鞍山)新材料科创园有限公司 | A method for recycling positive electrode material from waste lithium battery, obtained product and use |
| CN111822140A (en) * | 2020-06-16 | 2020-10-27 | 合肥国轩电池材料有限公司 | Recovery method of waste soft package lithium battery |
| CN111822140B (en) * | 2020-06-16 | 2021-12-17 | 合肥国轩电池材料有限公司 | Recovery method of waste soft package lithium battery |
| CN111974785A (en) * | 2020-08-18 | 2020-11-24 | 广东尚鼎环境科技有限公司 | Pyrolysis recovery method for waste lithium battery |
| CN112756104A (en) * | 2020-12-28 | 2021-05-07 | 湖南邦普循环科技有限公司 | Wet sorting process for waste lithium batteries and application thereof |
| CN112756104B (en) * | 2020-12-28 | 2023-01-13 | 湖南邦普循环科技有限公司 | Wet sorting process for waste lithium batteries and application thereof |
| US11872595B2 (en) | 2020-12-28 | 2024-01-16 | Hunan Brunp Recycling Technology Co., Ltd. | Wet sorting process for waste lithium battery and application thereof |
| CN112736314A (en) * | 2020-12-29 | 2021-04-30 | 广东省科学院资源综合利用研究所 | Physical sorting and recycling method for positive and negative electrode materials of waste ternary lithium batteries |
| CN113644331A (en) * | 2021-06-01 | 2021-11-12 | 湖北冶金地质研究所(中南冶金地质研究所) | Cleaning and separating method for waste ternary power battery material |
| CN113644331B (en) * | 2021-06-01 | 2023-06-30 | 湖北冶金地质研究所(中南冶金地质研究所) | Clean separation method for waste ternary power battery material |
| CN115739383A (en) * | 2022-11-17 | 2023-03-07 | 中国矿业大学 | Wet upgrading method for graphite electrode and battery cathode production raw materials |
| CN115739383B (en) * | 2022-11-17 | 2023-10-03 | 中国矿业大学 | Wet quality improving method for graphite electrode and battery cathode production raw materials |
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Application publication date: 20181102 |