CN107749503A - A kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method - Google Patents
A kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method Download PDFInfo
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- CN107749503A CN107749503A CN201610709615.0A CN201610709615A CN107749503A CN 107749503 A CN107749503 A CN 107749503A CN 201610709615 A CN201610709615 A CN 201610709615A CN 107749503 A CN107749503 A CN 107749503A
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- 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
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- 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
Abstract
The invention discloses a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method.Including following steps：(1) electric discharge of old and useless battery, diluted alkaline immersion, recovery aluminum plastic film, lug；(2) battery core is mechanically decoupled, obtains positive and negative plate and barrier film；(3) positive plate and negative plate machinery chopping, soda bath immersion, washing and filtering, vacuum drying；(4) stirring of dried positive and negative electrode mechanical mass, screening are obtained into aluminium foil, positive very coarse powder material, copper foil, negative pole coarse powder material respectively；(5) positive and negative electrode coarse powder material is subjected to ball milling, screening obtains positive mix, aluminium skimmings, negative pole powder and copper scale；(6) positive and negative electrode powder be heat-treated simultaneously recycling.The present invention uses mechanical absorption method, and the less recovery realized using chemical reagent to waste and old nickle cobalt lithium manganate ternary electrokinetic cell, whole process is carried out in closed recovery environment, the discharge of no waste water and waste gas, is a kind of green recovery method.
Description
Technical field
The invention belongs to old and useless battery recovery technology field, more particularly, to a kind of waste and old nickle cobalt lithium manganate ternary power electric
Pond green reclaim method.
Background technology
Nickle cobalt lithium manganate ternary electrokinetic cell is because of the characteristics of its energy density is high, output power and cryogenic property are good
It is developed rapidly, generally believes that nickle cobalt lithium manganate ternary electrokinetic cell substitutes the LiFePO4 power electric being widely used at present
Pond is trend of the times and is the technology development course put into practice.Currently, nickle cobalt lithium manganate yield is up to 30,000 tons, and with every
The speed in year 30% is increasing, and the production technology of its ternary electrokinetic cell also tends to be ripe day.
At the same time, the processing recovery of waste and old nickle cobalt lithium manganate ternary electrokinetic cell has also gradually obtained everybody concern.
The existing waste and old lithium ion battery recovery technology in China is more at present, and the processing method of main flow is by the molten formation of positive electrode acid
Co2+、Li+Deng, then with extraction, chemical precipitation method, electrolysis reclaim CoSO4、Li2CO3、CoC2O4、Co(OH)2, metal Co etc..
As patent CN102956935A discloses waste and old electrokinetic cell ternary system anode material processing method, it is proposed that utilize the precipitation method pair
Each metal is collected, and wherein oxalic acid precipitation collects nickel, and sodium phosphate precipitation collects lithium, and vulcanized sodium precipitation collects cobalt, this method stream
Journey is longer, is difficult to be effectively separated precipitation in removal process, the rate of recovery is relatively low.Patent CN101509071A disclose from
In lithium cell slag containing Co, Ni, Mn reclaim valuable metal method, this method using 250g/L concentrations above hydrochloric acid or
The sulfuric acid of 200g/L concentrations above is mixed with the sulfuric acid of 200g/L concentrations above and the hydrogen peroxide mixing of 20g/L concentrations above
Co, Ni, Mn in solution extraction ternary battery.The hydrochloric acid of the patent utilization high concentration can release a large amount of chlorine, to labourer and
Surrounding environment produces harm, can consume substantial amounts of hydrogen peroxide using the mixed solution of sulfuric acid and hydrogen peroxide, cost is higher.Patent
CN105206889 A disclose a kind of processing method of waste and old nickle cobalt lithium manganate ternary cell positive material, propose using sulfuric acid,
The strong acid such as hydrochloric acid to after crushing waste and old nickle cobalt lithium manganate ternary cell positive material carry out chemolysis, using sodium fluoride,
The fluorides such as potassium fluoride are cleaned to heavy metals such as the copper in solution, zinc, cadmium, lead, and then filtrate is extracted by 6-9 levels,
10-20 levels are washed, and the back extraction of 5-8 levels, the washing of 1-2 levels, finally give nickel cobalt manganese salt solution.This method uses substantial amounts of acid, salt
Fail effectively to reclaim Deng organic reagent, complex process, waste liquid, environmental pollution is serious, while the requirement to equipment is high, and cost is also
It is high.
The content of the invention
To solve waste and old nickle cobalt lithium manganate electrokinetic cell complex process, cost recovery is high, it is seriously polluted the problems such as, the present invention
Propose a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method, use the present invention can with simplification of flowsheet,
The use of organic reagent especially strong reagents is reduced, control cost, reduces the pollution to environment.
The present invention is realized by following technology：
A kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method, comprises the following steps：
(1) after old and useless battery immersion alkali metal salt soln is substantially discharged, old and useless battery progress machinery is disassembled and obtained
Battery core, aluminum plastic film and lug are obtained, the battery core, aluminum plastic film and lug are immersed into soda bath, immersion finishes, to the aluminum plastic film
Directly reclaimed with lug；
(2) it is the battery core progress obtained by step (1) is mechanically decoupled, positive plate, negative plate, barrier film are obtained, directly reclaims barrier film；
(3) positive plate obtained by step (2) and negative plate are subjected to mechanical chopping respectively, obtain positive plate fragment and negative plate fragment,
The positive plate fragment and negative plate fragment are immersed into soda bath respectively, immersion finishes, and filtering, running water are rinsed and vacuum is done
It is dry；
(4) aluminium foil and positive very coarse powder material are obtained to the positive plate fragment progress mechanical agitation obtained by step (3), screening, to step
Suddenly negative plate fragment obtained by (3) carries out mechanical agitation, screening obtains copper foil and negative pole coarse powder material, directly reclaim aluminium foil with
Copper foil；
(5) positive mix and aluminium skimmings are obtained to the positive very coarse powder material progress ball milling obtained by step (4), screening, to obtained by step (4)
Negative pole coarse powder material carry out ball milling, screening obtain negative pole powder and copper scale；
(6) positive mix obtained by step (5) and negative pole powder are heat-treated, heat treatment finishes, to the positive mix
Reclaimed with negative pole powder and be used as positive and negative electrode materials'use again.
Preferably, the alkali metal salt soln concentration is 5%~15%, and the discharge time is 6~12 hours.
In this manual using alkali metal salt soln as electrolyte solution to waste and old nickle cobalt lithium manganate ternary power
Battery is discharged.Conventional method is that load is connected between anode and negative pole, until the voltage of old and useless battery drops to
Zero, the operation, which needs to be in normal operating conditions based on old and useless battery, can just be carried out and time-consuming longer, if be in can not for battery
Working condition and inside battery, which store, electric energy, then traditional method, which can produce erroneous judgement, influences being smoothed out for recovery operation.This
Specification is discharged old and useless battery using alkali metal salt soln, and alkali metal salt soln can penetrate into inside battery, no matter battery
Whether electric discharge to battery can be achieved in normal operating conditions.Applicable alkali metal salt is sodium chloride, sodium sulphate, potassium chloride
And potassium sulfate.The alkali metal salt is also used as a kind of pre-swollen agent, each part in old and useless battery is played the work of swelling
With being advantageous to the separation of part.The concentration of alkali metal salt, the concentration being more highly preferred to are 8%~12%.The extension of discharge time has
Beneficial to the thorough of electric discharge, the continuous exploration through inventor, currently preferred discharge time can is realized useless to the overwhelming majority
The complete electric discharge of used batteries, during the concentration for the alkali metal salt being more highly preferred to using the present invention, 8~10 hours cans are realized to useless
The complete electric discharge of used batteries.
Preferably, the concentration of the soda bath is 0.01~1g/L, and the soak time is 2~5 hours.
Soda bath plays a part of a kind of binding agent remover in the recovery of old and useless battery.Aluminum plastic film and lug immerse
Soda bath, which immerses soda bath, can remove the binding agent on surface.Positive and negative plate after machinery shreds immerses soda bath,
Make the binder swells in positive and negative plate, adhesion strength declines, so that the bonding tightness of positive very coarse powder material and aluminium foil, negative
The bonding tightness of very coarse powder material and copper foil has declined, and makes both more easily separated.The research of inventor is more highly preferred to
Soda bath be 0.5~1g/L, soak time is 3~4 hours.
Preferably, the length of the positive plate fragment and negative plate fragment is 5~15 millimeters.
Preferably, the churned mechanically speed is 100~300 revs/min, and the time is 1~2 hour.
How positive very coarse powder material and aluminium foil phase separation, negative pole coarse powder material and copper foil phase preferably to be made using mechanism
Separation, reach the important inventive point that a good separating effect is also the present invention.Through alkali metal salt soln, soda bath
Immersion after and vacuum drying after, the adhesion strength of the adhesion strength of positive very coarse powder material and aluminium foil, negative pole coarse powder material and copper foil
Significantly decline, further separating effect depends primarily on mechanicals efforts and the length of fragment.Wherein, the length of fragment is outstanding
To be important, in this specification, the more long then corresponding weight of length of fragment is higher, then inertia is also bigger, and larger inertia is favourable
Separated in machinery impact so as to realize.However, excessive chip length is also unfavorable for uniform stirring.It has been investigated that preferred
Mixing speed (100~300 revs/min) under, mixing time be 1~2 hour when, the length of positive plate fragment and negative plate fragment
Preferable effect can be obtained for 5~15 millimeters, realizes point of positive very coarse powder material and aluminium foil, negative pole coarse powder material and copper foil
From, and the chip length being more highly preferred to is 8~12 millimeters, particularly preferred chip length is 10 millimeters.
Preferably, the positive mix heat treatment is carried out under an inert atmosphere, and temperature is 150~400 DEG C, and the time is 2~3
Hour, the negative pole powder heat treatment is carried out in air atmosphere, and temperature is 200~450 DEG C, and the time is 1~2 hour.
The present invention, which uses that positive mix be heat-treated under inert atmosphere, is advantageous to avoid positive mix in heat treatment
During aoxidized, in favor of heat treatment finish i.e. recyclable reuse.
Preferably, every procedure of the removal process is all carried out under closed environment.
Preferably, waste gas caused by the removal process is handled by purifying column.
Using recovery operation is carried out under closed environment, caused waste gas is handled by purifying column, the less use of removal process
To organic reagent, waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim, and a feature of the present invention are realized.
The beneficial effects of the present invention are：(1) using alkali metal salt soln to waste and old nickle cobalt lithium manganate ternary power electric
Pond is discharged, and realizes effective electric discharge to old and useless battery；(2) using alkali metal salt soln, soda bath, vacuum drying and
The adhesion strength for preferably significantly reducing positive and negative very coarse powder material and paillon foil of chip length, improve recovering effect；(3) closed recovery
Environment, the discharge without waste water and waste gas, environment is not polluted.
Brief description of the drawings
Fig. 1 is the photo for 5 kinds of accessory substances that the present invention reclaims.
A. barrier film；B. aluminum plastic film；C. lug；D. copper foil；E. aluminium foil
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, a kind of waste and old nickle cobalt lithium manganate ternary described in the present patent application is moved
Power battery green reclaim method is described and illustrated.It should be appreciated that specific embodiment described herein is only explaining
The present invention, it is not intended to limit the present invention.
Embodiment 1
Take 1 group of waste and old nickle cobalt lithium manganate ternary electrokinetic cell to be discharged completely, the battery is immersed to 10% sodium chloride solution
In, soak time is 6 hours, and immersion is finished, and running water is rinsed well, takes out and is dried 1.5 hours in 100 DEG C；By the nickel after drying
Cobalt manganic acid lithium ternary electrokinetic cell is moved on in vacuum glove box, is disassembled using cutting machine, opens the cover plate of electrokinetic cell, obtains electricity
Core, aluminum plastic film and lug, battery core, aluminum plastic film and lug are immersed in the soda bath that pH is 10, the aluminum plastic film after soaking 2 hours
(Fig. 1 b) and lug (Fig. 1 c) directly reclaim.Battery core progress after will be soaking is mechanically decoupled, obtains pure positive plate, negative pole
Piece and barrier film (Fig. 1 a), its septation (Fig. 1 a) directly reclaim.Above-mentioned positive plate and negative plate are subjected to mechanical chopping respectively,
After chopping, the length of fragment is 5 millimeters, takes the fragment to insert immersion, stirring, mixing speed 200 in the soda bath that pH is 10
Rev/min, after stirring 1 hour, take running water to obtain positive pole material and negative pole material after fully rinsing, resulting material is entered in 80 DEG C
Row vacuum drying, vacuum -0.01Mpa.Dried positive pole material, negative pole material are subjected to mechanical agitation, stirring speed respectively
Degree 200 revs/min, stirring 1 hour after sieved, obtain aluminium foil (Fig. 1 e), positive very coarse powder material (positive mix and aluminium skimmings) and
Copper foil (Fig. 1 d), negative pole coarse powder material (negative pole powder and copper scale), by the aluminium foil (Fig. 1 e) and copper foil (Fig. 1 d) after separation
Recovery, then, positive very coarse powder material progress ball milling, screening are obtained into positive mix and aluminium skimmings, negative pole coarse powder material is subjected to ball milling, sieve
Get negative pole powder and copper scale.By above-mentioned positive mix (nickle cobalt lithium manganate and acetylene black) after screening under helium atmosphere
It is heat-treated, 150 DEG C of heat treatment temperature, heat treatment time 1 hour；Negative pole powder (graphite and acetylene black) is in air atmosphere
It is heat-treated, 200 DEG C of heat treatment temperature, heat treatment time 1 hour.Recovery obtains positive mix and negative pole powder.
Fetch and receive the obtained acetylene black of 5 parts of 90 parts of positive mix weight, weight gathering as 5 parts of conductive agent and weight
Vinyl alcohol carries out being mixed to prepare positive plate as binding agent, using brand-new graphite cathode piece, barrier film and electrolyte, full of argon gas
Dry glove box in be assembled into battery, carry out charge-discharge test, as a result as shown in table 1.
Fetch and receive the obtained acetylene black of 5 parts of 90 parts of negative pole powder weight, weight gathering as 5 parts of conductive agent and weight
Vinyl alcohol carries out being mixed to prepare negative plate as binding agent, using brand-new nickle cobalt lithium manganate, diaphragm and electrolyte full of argon
Battery is assembled into the dry glove box of gas, carries out charge-discharge test, as a result as shown in table 1.
Embodiment 2
Take 1 group of waste and old nickle cobalt lithium manganate ternary electrokinetic cell to be discharged completely, the battery is immersed to 15% sodium chloride solution
In, soak time is 12 hours, and immersion is finished, and running water is rinsed well, takes out and is dried 3 hours in 120 DEG C；By the nickel cobalt after drying
LiMn2O4 ternary electrokinetic cell is moved on in vacuum glove box, is disassembled using cutting machine, opens the cover plate of electrokinetic cell, obtains electricity
Core, aluminum plastic film and lug, battery core, aluminum plastic film and lug are immersed in the soda bath that pH is 10, the aluminum plastic film after soaking 5 hours
(Fig. 1 b) and lug (Fig. 1 c) directly reclaim.Battery core progress after will be soaking is mechanically decoupled, obtains pure positive plate, negative pole
Piece and barrier film (Fig. 1 a), its septation (Fig. 1 a) directly reclaim.Above-mentioned positive plate and negative plate are subjected to mechanical chopping respectively,
After chopping, the length of fragment is 10 millimeters, takes the fragment to insert immersion, stirring, mixing speed 500 in the soda bath that pH is 13
Rev/min, after stirring 2 hours, take running water to obtain positive pole material and negative pole material after fully rinsing, by resulting material in 100 DEG C
It is dried in vacuo, vacuum -0.02Mpa.Dried positive pole material, negative pole material are subjected to mechanical agitation, stirring respectively
500 revs/min of speed, stirring are sieved after 2 hours, obtain aluminium foil (Fig. 1 e), positive very coarse powder material (positive mix and aluminium skimmings)
With copper foil (Fig. 1 d), negative pole coarse powder material (negative pole powder and copper scale), the aluminium foil (Fig. 1 e) after separation and copper foil (are schemed
1d) reclaim, then, positive very coarse powder material progress ball milling, screening are obtained into positive mix and aluminium skimmings, negative pole coarse powder material is subjected to ball
Mill, screening obtain negative pole powder and copper scale.By above-mentioned positive mix (nickle cobalt lithium manganate and acetylene black) after screening in neon
It is heat-treated under atmosphere, 400 DEG C of heat treatment temperature, heat treatment time 2 hours；Negative pole powder (graphite and acetylene black) is in air
It is heat-treated under atmosphere, 450 DEG C of heat treatment temperature, heat treatment time 2 hours.Recovery obtains positive mix and negative pole powder.
Lithium battery preparation and method of testing are as described in Example 1.
Embodiment 3
1 group of waste and old nickle cobalt lithium manganate ternary electrokinetic cell is taken to be discharged completely, the sodium chloride of battery immersion 12.5% is molten
In liquid, soak time is 9 hours, and immersion is finished, and running water is rinsed well, takes out and is dried 2 hours in 110 DEG C；By the nickel after drying
Cobalt manganic acid lithium ternary electrokinetic cell is moved on in vacuum glove box, is disassembled using cutting machine, opens the cover plate of electrokinetic cell, obtains electricity
Core, aluminum plastic film and lug, battery core, aluminum plastic film and lug are immersed in the soda bath that pH is 11.5, the aluminium after soaking 3.5 hours
Plastic film (Fig. 1 b) and lug (Fig. 1 c) directly reclaim.Battery core after will be soaking carry out it is mechanically decoupled, obtain pure positive plate,
Negative plate and barrier film (Fig. 1 a), its septation (Fig. 1 a) directly reclaim.Above-mentioned positive plate and negative plate are subjected to machinery respectively
Chopping, after chopping, the length of fragment is 15 millimeters, takes the fragment to insert immersion, stirring, stirring in the soda bath that pH is 11.5
350 revs/min of speed, after stirring 1.5 hours, running water is taken to obtain positive pole material and negative pole material after fully rinsing, by gains
Expect to be dried in vacuo in 90 DEG C, vacuum -0.015Mpa.Dried positive pole material, negative pole material are subjected to machinery respectively
Stirring, 500 revs/min of mixing speed, stirring are sieved after 2 hours, obtain aluminium foil (Fig. 1 e), positive very coarse powder material (positive powder
Material and aluminium skimmings) and copper foil (Fig. 1 d), negative pole coarse powder material (negative pole powder and copper scale), by the aluminium foil (Fig. 1 e) and copper after separation
Paillon foil (Fig. 1 d) reclaims, and then, positive very coarse powder material progress ball milling, screening is obtained into positive mix and aluminium skimmings, by negative pole coarse powder material
Carry out ball milling, screening obtains negative pole powder and copper scale.By above-mentioned positive mix (nickle cobalt lithium manganate and acetylene black) after screening
It is heat-treated under neon atmosphere, 275 DEG C of heat treatment temperature, heat treatment time 1.5 hours；Negative pole powder (graphite and acetylene
It is black) it is heat-treated in air atmosphere, 325 DEG C of heat treatment temperature, heat treatment time 1.5 hours.Recovery obtains positive mix
With negative pole powder.
Lithium battery preparation and method of testing are as described in Example 1.
Comparative example 1
Brand-new nickle cobalt lithium manganate, diaphragm, electrolyte and graphite material is taken to be assembled into the dry glove box full of argon gas
Battery, charge-discharge test is carried out, as a result as shown in table 1.
Above-mentioned charge-discharge performance test, as a result as shown in table 1.
Table 1 reclaims the charge-discharge test effect of positive and negative pole material
As shown in Table 1, still have using the inventive method institute recovery method nickel-cobalt lithium manganate cathode material, graphite cathode material good
Good performance, fully achieves the performance requirement of new material, recovery method provided by the present invention is relative to existing time
Receipts technology, more green, technique is simple, efficiency high, cost is low, recovery is comprehensive, the electrode powder that reclaims completely can be again
Use.
Claims (8)
1. a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method, it is characterized in that, comprise the following steps：
(1) after old and useless battery immersion alkali metal salt soln is substantially discharged, old and useless battery progress machinery is disassembled and obtained
Battery core, aluminum plastic film and lug are obtained, the battery core, aluminum plastic film and lug are immersed into soda bath, immersion finishes, to the aluminum plastic film
Directly reclaimed with lug；
(2) it is the battery core progress obtained by step (1) is mechanically decoupled, positive plate, negative plate, barrier film are obtained, directly reclaims barrier film；
(3) positive plate obtained by step (2) and negative plate are subjected to mechanical chopping respectively, obtain positive plate fragment and negative plate is broken
Piece, the positive plate fragment and negative plate fragment are immersed into soda bath respectively, immersion finishes, and filters, running water rinses and true
Sky is dried；
(4) aluminium foil and positive very coarse powder material are obtained to the positive plate fragment progress mechanical agitation obtained by step (3), screening, to step
Suddenly
(3) the negative plate fragment obtained by carries out mechanical agitation, screening obtains copper foil and negative pole coarse powder material, directly reclaims aluminium foil
And copper foil；
(5) positive mix and aluminium skimmings are obtained to the positive very coarse powder material progress ball milling obtained by step (4), screening, to obtained by step (4)
Negative pole coarse powder material carry out ball milling, screening obtain negative pole powder and copper scale；
(6) positive mix obtained by step (5) and negative pole powder are heat-treated, heat treatment finishes, to the positive mix
Reclaimed with negative pole powder and be used as positive and negative electrode materials'use again.
2. a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method according to claim 1, it is characterized in that, institute
It is 5%~15% to state alkali metal salt soln concentration, and the discharge time is 6~12 hours.
3. a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method according to claim 1, it is characterized in that, institute
The concentration for stating soda bath is 0.01~1g/L, and the soak time is 2~5 hours.
4. a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method according to claim 1, it is characterized in that, institute
The length for stating positive plate fragment and negative plate fragment is 5~15 millimeters.
5. a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method according to claim 1, it is characterized in that, institute
Churned mechanically speed is stated as 100~300 revs/min, the time is 1~2 hour.
6. according to a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method of claim 1 or 6, its feature
It is that the positive mix heat treatment is carried out under an inert atmosphere, and temperature is 150~400 DEG C, and the time is 2~3 hours, described negative
Pole powder heat treatment is carried out in air atmosphere, and temperature is 200~450 DEG C, and the time is 1~2 hour.
7. a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method according to claim 1, it is characterized in that, institute
The every procedure for stating removal process is all carried out under closed environment.
8. a kind of waste and old nickle cobalt lithium manganate ternary electrokinetic cell green reclaim method according to claim 1, it is characterized in that, institute
Waste gas caused by removal process is stated to be handled by purifying column.
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| CN109244586A (en) * | 2018-10-24 | 2019-01-18 | 北京工业大学 | A kind of waste and old power battery environmental protection recycling and reusing method |
| CN109256599A (en) * | 2018-11-07 | 2019-01-22 | 深圳佳彬科技有限公司 | A kind of processing method for nickel-cobalt-manganese ternary waste lithium cell |
| CN109742472A (en) * | 2018-12-12 | 2019-05-10 | 江西赣锋循环科技有限公司 | A method of aluminium foil and ternary powder in recycling ternary pole piece |
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| CN110391474A (en) * | 2018-04-23 | 2019-10-29 | 中南大学 | A kind of charging method of waste and old lithium ion battery |
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| CN112652831A (en) * | 2020-12-09 | 2021-04-13 | 深圳供电局有限公司 | Double-insulation type disassembling and crushing device for waste lithium ion batteries |
| CN113517484A (en) * | 2021-03-08 | 2021-10-19 | 清华大学 | Method for treating waste lithium cobalt oxide battery and product thereof |
| CN114566730A (en) * | 2022-03-05 | 2022-05-31 | 贺州学院 | Method for preparing positive electrode composite material by using waste lithium manganate battery |
| CN117638287A (en) * | 2024-01-25 | 2024-03-01 | 佛山隆深机器人有限公司 | Positive and negative electrode powder classification collection method and related device for waste lithium batteries |
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| CN110391474A (en) * | 2018-04-23 | 2019-10-29 | 中南大学 | A kind of charging method of waste and old lithium ion battery |
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