CN107196006A - Recycling method of waste lithium ion battery anode current collector - Google Patents
Recycling method of waste lithium ion battery anode current collector Download PDFInfo
- Publication number
- CN107196006A CN107196006A CN201710363355.0A CN201710363355A CN107196006A CN 107196006 A CN107196006 A CN 107196006A CN 201710363355 A CN201710363355 A CN 201710363355A CN 107196006 A CN107196006 A CN 107196006A
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ore pulp
- battery
- waste
- leaching ore
- 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
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
-
- 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 method for recovering and treating a positive current collector of a waste lithium ion battery, which comprises the following steps: adding the crushed material of the battery core into alkali liquor to dissolve the positive current collector, thereby obtaining leached ore pulp; if copper foil or battery diaphragm exists in the leached ore pulp, screening the leached ore pulp, and then filtering undersize to obtain leached ore pulp filtrate and leached ore pulp filter residue; otherwise, directly filtering the leached ore pulp to obtain leached ore pulp filtrate and leached ore pulp filter residue; adding aluminum hydroxide crystal seeds into the leached ore pulp filtrate for crystallization separation and filtering to obtain crystalline aluminum hydroxide and alkali liquor; the alkali liquor is used as the alkali liquor for dissolving the positive current collector for recycling. The invention not only has less reagent consumption, low energy consumption and small wastewater treatment capacity, but also can effectively separate the current collectors bonded with the anode materials in the waste lithium ion batteries.
Description
Technical field
The present invention relates to waste and old lithium ion battery recovery technology field, more particularly to a kind of waste lithium ion cell anode collection
Fluid recovery processing method.
Background technology
Since lithium ion battery realizes commercialization from 1990s, other kinds secondary cell is increasingly replaced, extensively
Applied to fields such as mobile communication, notebook computer, portable dam, electric bicycles.Lithium ion battery uses the longevity according to statistics
Life typically about 3 years, cycle period is about 500~1000 times.With a large amount of lithium ion batteries production, use and scrap, give up
The recycling and reuse problem of old lithium ion battery has become the focus of the whole industry.
Because pyrogenic attack waste and old lithium ion battery has the shortcomings that high energy consumption, atmosphere pollution are serious, therefore research at present
It is generally wet-treating waste and old lithium ion battery with the technique utilized.
At present, the wet-treating recovery process of waste and old lithium ion battery is mainly included the following steps that：1. to applying waste lithium ionic
Battery discharged, is disassembled and is obtained electrode material；2. to step 1. in obtained electrode material carry out leaching processing, make various gold
Belong to ion-solubility；3. metal ion in leaching liquid is separated and recovered or direct composite electrode material.In the wet-treating
In recovery process, the electrode material that 1. step obtains, collector (mainly aluminium foil) is bonded together with positive electrode, if not
Collector is removed in advance, then substantial amounts of impurity aluminum will occurs in the cobalt recovered liquid of subsequent treatment, therefore in order to efficient
Ground carries out subsequent treatment, it is necessary to remove the collector bonded with positive electrode in advance, but the segregation ratio of collector and positive electrode
It is more difficult.
In the prior art, method collector separated with positive electrode mainly has organic solvent dissolution method, high warm
Decomposition method, alkaline leaching, mechanical phonograph recorder separation etc., wherein using it is wide be alkaline leaching.Alkaline leaching mainly uses NaOH to dissolve
The collector (i.e. plus plate current-collecting body) being bonded together with positive electrode, lysate can produce sodium metaaluminate with evaporative crystallization,
It can use in sulfuric acid and production aluminium hydroxide, re-evaporation crystallization production sodium sulphate.No matter which kind of above-mentioned separation method is used, all
The shortcomings of there is reagent consumption height, high energy consumption, big wastewater treatment capacity.
The content of the invention
In order to solve the method in the prior art separating collector with positive electrode exist reagent consumption height, high energy consumption,
The technical problem such as wastewater treatment capacity is big, the invention provides a kind of waste lithium ion cell anode collector recovery and treatment method,
Not only simple and easy to apply, reagent is consumed less, energy consumption is low, wastewater treatment capacity is small, and can be efficiently separated in waste and old lithium ion battery
The collector being bonded together with positive electrode.
The purpose of the present invention is achieved through the following technical solutions：
A kind of waste lithium ion cell anode collector recovery and treatment method, comprises the following steps：
Step A, battery crushed material is added in alkali lye and dissolves plus plate current-collecting body, so as to obtain leaching ore pulp；
If there is copper foil or battery diaphragm in step B, leaching ore pulp, the leaching ore pulp first obtained to step A is carried out
Screening is filtered to screenings again, and otherwise, directly the leaching ore pulp that step A is obtained is filtered, so as to obtain leaching ore deposit
Starch filtrate and leach ore pulp filter residue；
Aluminium hydroxide crystal seed is added in step C, the leaching ore pulp filtrate obtained to step B and carries out crystallization precipitation, and is filtered,
So as to obtain crystalline aluminium hydroxide and alkali lye；The alkali lye is recycled in step A and reused.
Preferably, aluminium hydroxide crystal seed is added in the leaching ore pulp filtrate obtained to step B and carries out crystallization precipitation bag
Include：The consumption of aluminium hydroxide crystal seed is 0.5~2 times of aluminium in the leaching ore pulp filtrate, and the temperature that crystallization is separated out is 20~50
DEG C, the mixing speed that crystallization is separated out is 50~200rpm, and the time that crystallization is separated out is 30~70h.
Preferably, described battery crushed material is added into dissolving plus plate current-collecting body in alkali lye includes：Concentration of lye is
100~250g/L, the temperature of dissolving plus plate current-collecting body is 80~95 DEG C, the mixing speed of dissolving plus plate current-collecting body for 300~
600rpm, the time of dissolving plus plate current-collecting body is 1~3h.
Preferably, the granularity of described battery crushed material is 5~10mm.
Preferably, battery crushed material include unitary waste lithium ion cell anode, binary waste lithium ion cell anode,
At least one of positive pole leftover pieces produced in ternary waste lithium ion cell anode, lithium ion battery production process.
Preferably, the battery crushed material is made using following methods：Waste and old lithium ion battery is discharged, torn open
Solution, except decapsidate, obtains battery, then battery is broken into battery crushed material.
Preferably, waste and old lithium ion battery is discharged, disassemble including：Waste and old lithium ion battery is placed in mass fraction
For in 5~10% NaCl solution soak 24 hours, be substantially discharged, then again to being substantially discharged after applying waste lithium ionic electricity
Pond carries out machinery and disassembled.
Preferably, the sieve aperture that the leaching ore pulp obtained to step A is sieved is 0.5~2mm.
Preferably, the leaching ore pulp that step A is obtained is sieved, then drying sorting is carried out to oversize, so as to obtain
Copper foil and/or battery diaphragm.
Preferably, the alkali lye described in step A is at least one of NaOH, KOH.
As seen from the above technical solution provided by the invention, the waste lithium ion cell anode afflux that the present invention is provided
Body recovery and treatment method dissolves the plus plate current-collecting body in battery crushed material using alkali lye, obtains leaching ore pulp；Then to leaching
Aluminium hydroxide crystal seed is added in ore pulp filtrate so that crystallization has separated out aluminium hydroxide in the leaching ore pulp filtrate, generates simultaneously
Alkali lye, these alkali lye can be utilized as the alkali lye circulating repetition of dissolving plus plate current-collecting body, and this is not only it is possible to prevente effectively from outside alkali lye
Row, reduction wastewater treatment capacity, reduction pollution, and the alkali lye amount supplemented into step A is reduced, reagent consumption is reduced, cost
Reduction, with significant economy and environmental benefit.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this
For the those of ordinary skill in field, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 illustrates for the flow of waste lithium ion cell anode collector recovery and treatment method provided in an embodiment of the present invention
Figure.
Fig. 2 is the XRD of the crystalline aluminium hydroxide obtained in the embodiment of the present invention 3.
Embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
The embodiment of invention, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to protection scope of the present invention.
Waste lithium ion cell anode collector recovery and treatment method provided by the present invention is described in detail below.
As shown in figure 1, a kind of waste lithium ion cell anode collector recovery and treatment method, comprises the following steps：
Step A, battery crushed material is added in alkali lye, plus plate current-collecting body dissolved, so as to obtain leaching ore pulp.
Specifically, the step A includes：By battery crushed material be added in alkali lye dissolve plus plate current-collecting body (mainly into
It is divided into aluminium), concentration of lye is 100~250g/L, and the temperature of dissolving plus plate current-collecting body is 80~95 DEG C, dissolving plus plate current-collecting body
Mixing speed is 300~600rpm, and the time of dissolving plus plate current-collecting body is 1~3h, so as to obtain leaching ore pulp；Normal conditions
Under, the concentration for leaching Al in ore pulp is 20~40g/L.Wherein, the alkali lye is at least one of NaOH, KOH, and
The alkali lye can use fresh alkali lye, it would however also be possible to employ the alkali lye produced in step C, so that the alkali lye that step C is produced can be circulated
Reused into step A as the alkali lye of dissolving plus plate current-collecting body, this saves reagent not only without externally discharged waste water
Consumption.The battery crushed material includes unitary waste lithium ion cell anode, binary waste lithium ion cell anode, ternary and given up
At least one of positive pole leftover pieces produced in old lithium ion cell positive, lithium ion battery production process.The battery
The granularity of crushed material is preferably 5~10mm, and this can not only dissolve plus plate current-collecting body and keep faster stabilization efficiency, and can be with
With higher Al leaching rates.
In actual applications, the battery crushed material can be provided by other manufacturers, it would however also be possible to employ following methods system
：Waste and old lithium ion battery is discharged, disassembled, except decapsidate, battery is obtained, then battery is broken into battery powder
Particle.Specifically, waste and old lithium ion battery can be placed in immersion 24 in the NaCl solution that mass fraction is 5~10% small
When, be substantially discharged, then to being substantially discharged after waste and old lithium ion battery carry out machinery and disassemble, remove steel shell and modeling
Expect shell, obtain battery, then battery is broken into the battery crushed material that granularity is 5~10mm.
If there is copper foil or battery diaphragm in step B, leaching ore pulp, the leaching ore pulp first obtained to step A is carried out
Screening is filtered to screenings again, and otherwise, directly the leaching ore pulp that step A is obtained is filtered, so as to obtain leaching ore deposit
Starch filtrate and leach ore pulp filter residue.
Specifically, the step B includes：If leaching in ore pulp and there is copper foil or battery diaphragm, first step A is obtained
Leaching ore pulp sieved, sieve aperture be 0.5~2mm, so as to obtain oversize and screenings；Oversize is dried
Sorting, so as to obtain copper foil and/or battery diaphragm；Screenings is filtered, so as to obtain leaching ore pulp filtrate and leaching
Go out ore pulp filter residue.If leaching and copper foil and battery diaphragm being not present in ore pulp, the leaching ore pulp directly obtained to step A is carried out
Filtering, so as to obtain leaching ore pulp filtrate and leach ore pulp filter residue.Described leaching ore pulp filter residue is cell positive material and led
Electric material, available for valuable metals such as further Call Provision, lithiums.
Aluminium hydroxide crystal seed is added in step C, the leaching ore pulp filtrate obtained to step B and carries out crystallization precipitation, and is filtered,
So as to obtain crystalline aluminium hydroxide and alkali lye；The alkali lye is recycled in step A and reused.
Specifically, the step C includes：Aluminium hydroxide crystal seed is added in the leaching ore pulp filtrate obtained to step B to carry out
Crystallization is separated out, and the consumption of aluminium hydroxide crystal seed is 0.5~2 times of aluminium in the leaching ore pulp filtrate, and the temperature that crystallization is separated out is
20~50 DEG C, the mixing speed that crystallization is separated out is 50~200rpm, and the time that crystallization is separated out is 30~70h；Crystallization separates out laggard
Row filtering, so as to obtain crystalline aluminium hydroxide and alkali lye；The alkali lye is recycled to the alkali lye as dissolving plus plate current-collecting body in step A
Recycling, this saves the consumption of reagent not only without externally discharged waste water.
Further, compared with alkaline leaching dealumination process of the prior art, applying waste lithium ionic electricity provided by the present invention
Pond plus plate current-collecting body recovery and treatment method at least has advantages below：
(1) so that the alkali lye in the present invention uses NaOH as an example, Al elements in the leaching ore pulp filtrate that step B of the present invention is obtained
Mainly with NaAl (OH)4Form exist, by adding aluminium hydroxide crystal seed into the leaching ore pulp filtrate, so that the leaching can be made
Go out in ore pulp filtrate and occur following reaction：
NaAl(OH)4=Al (OH)3↓+NaOH
Namely using the aluminium hydroxide crystal seed of addition as crystallization nucleus, crystallization has separated out hydroxide in the leaching ore pulp filtrate
Aluminium, while generating alkali lye；These alkali lye can return to the alkali lye circulating repetition profit as dissolving plus plate current-collecting body in step A
With, this not only it is possible to prevente effectively from outside alkali lye arrange, reduce wastewater treatment capacity, reduction pollution, and only need to supplement into step A less
The alkali lye of loss is measured, reagent consumption is substantially reduced, significantly reduced the cost, with significant economy and environmental benefit.
(2) waste lithium ion cell anode collector recovery and treatment method provided by the present invention except aluminium effect it is good, through alkali
After liquid dissolving plus plate current-collecting body, the aluminium content in material can be controlled in less than 1% substantially.
(3) waste lithium ion cell anode collector recovery and treatment method provided by the present invention is dissolved just using alkali lye
The temperature during collector of pole is 80~95 DEG C, and temperature is not being adjusted when ore pulp is sieved and filtered successively to leaching, and
Crystallization is reduced to 20~50 DEG C at the temperature at which separating out, and by the addition of this temperature control and aluminium hydroxide crystal seed, can make
Crystallization separates out aluminium hydroxide in the leaching ore pulp filtrate for the screenings for leaching ore pulp, without evaporative crystallization workshop section, can depletion
It is few.
As fully visible, not only reagent consumption is less, energy consumption is low, wastewater treatment capacity is small for the embodiment of the present invention, and can imitate point
From the collector being bonded together in waste and old lithium ion battery with positive electrode.
In order to more clearly from show technical scheme provided by the present invention and produced technique effect, below with tool
Waste lithium ion cell anode collector recovery and treatment method provided by the present invention is described in detail body embodiment.
Embodiment 1
A kind of waste lithium ion cell anode collector recovery and treatment method, comprises the following steps：
Step a1, waste and old lithium ion battery is placed in the NaCl solution that mass fraction is 5% and soaked 24 hours, filled
Divide electric discharge, the waste and old lithium ion battery after being then substantially discharged at 60 DEG C is dried, then carry out machinery and disassemble, remove steel shell
And plastic casing, battery is obtained, then battery is broken into the battery crushed material that granularity is 5~10mm.Through analysis detection：
Al content is 5.46wt% in these battery crushed materials.
Step b1, the battery crushed material described in 100g is added in alkali lye and dissolves plus plate current-collecting body, concentration of lye is
Initial Al concentration is 25g/L in 150g/L, alkali lye, and the temperature of dissolving plus plate current-collecting body is 95 DEG C, dissolves stirring for plus plate current-collecting body
Speed is mixed for 500rpm, the time of dissolving plus plate current-collecting body is 2h, so as to obtain leaching ore pulp.Because the battery crushed material is
Disassemble what waste and old lithium ion battery was obtained by step a1, therefore copper foil and battery are certainly existed in the obtained leaching ore pulps of step b1
Barrier film.
Step c1, the leaching ore pulp that step b1 is obtained is sieved, sieve aperture is 0.5~2mm, so as to obtain on sieve
Thing and screenings；Drying sorting is carried out to the oversize, so as to obtain copper foil and battery diaphragm.
Step d1, the obtained screenings of step c1 is filtered, so as to obtain leaching ore pulp filtrate and leach ore pulp filter
Slag.Al content is 0.92wt% in the leaching ore pulp filter residue, and the leaching ore pulp filter residue is cell positive material and leads
Electric material.
Aluminium hydroxide crystal seed, which is added, in step e1, the leaching ore pulp filtrate obtained to step d1 carries out crystallization precipitation, hydrogen-oxygen
The consumption for changing aluminium crystal seed is 1.0 times of aluminium in the leaching ore pulp filtrate, and the temperature that crystallization is separated out is 40 DEG C, and what crystallization was separated out stirs
Speed is mixed for 80rpm, the time that crystallization is separated out is 50h；Crystallization is filtered after separating out, so as to obtain crystalline aluminium hydroxide and alkali lye；
Al content is 31.13wt% in the crystalline aluminium hydroxide, and Al concentration is 23.4g/L in the alkali lye；The alkali lye can be recycled to step
Reused in b1 as the alkali lye of dissolving plus plate current-collecting body.
Embodiment 2
A kind of waste lithium ion cell anode collector recovery and treatment method, the electricity for the waste and old lithium ion battery that certain factory provides
Do not include Al in copper foil and battery diaphragm, and these battery crushed materials in pond core crushed material, these battery crushed materials to contain
Measure as 2.28wt%, it specifically may comprise steps of：
Step a2, battery crushed material described in 100g is added in alkali lye and dissolves plus plate current-collecting body, the alkali lye is using this
The alkali lye produced in the step e1 of inventive embodiments 1, the temperature of dissolving plus plate current-collecting body is 95 DEG C, dissolves stirring for plus plate current-collecting body
Speed is mixed for 500rpm, the time of dissolving plus plate current-collecting body is 2h, so as to obtain leaching ore pulp.The battery used due to step a2
Do not include being not present in copper foil and battery diaphragm, therefore the obtained leaching ore pulps of step a2 in core crushed material copper foil and battery every
Film.
Step b2, the leaching ore pulp that step a2 is obtained is filtered, so as to obtain leaching ore pulp filtrate and leach ore pulp
Filter residue.Al content is 0.31wt% in the leaching ore pulp filter residue, and the leaching ore pulp filter residue be cell positive material and
Conductive material.
Aluminium hydroxide crystal seed, which is added, in step c2, the leaching ore pulp filtrate obtained to step b2 carries out crystallization precipitation, hydrogen-oxygen
The consumption for changing aluminium crystal seed is 1.0 times of aluminium in the leaching ore pulp filtrate, and the temperature that crystallization is separated out is 40 DEG C, and what crystallization was separated out stirs
Speed is mixed for 80rpm, the time that crystallization is separated out is 50h；Crystallization is filtered after separating out, so as to obtain crystalline aluminium hydroxide and alkali lye；
Al content is 32.07wt% in the crystalline aluminium hydroxide, and Al concentration is 26.6g/L in the alkali lye；The alkali lye can be recycled to step
Reused in a2 as the alkali lye of dissolving plus plate current-collecting body.
Embodiment 3
A kind of waste lithium ion cell anode collector recovery and treatment method, by certain factory in lithium ion battery production process
The positive pole leftover pieces of generation are as battery crushed material, and Al content is 8.30wt% in these battery crushed materials, and it specifically may be used
To comprise the following steps：
Step a3, battery crushed material described in 100g is added in alkali lye and dissolves plus plate current-collecting body, the alkali lye is using this
The alkali lye produced in the step c2 of inventive embodiments 2, the temperature of dissolving plus plate current-collecting body is 95 DEG C, dissolves stirring for plus plate current-collecting body
Speed is mixed for 500rpm, the time of dissolving plus plate current-collecting body is 2h, so as to obtain leaching ore pulp.The battery used due to step a3
Core crushed material is the positive pole leftover pieces produced in lithium ion battery production process, therefore is not deposited in the obtained leaching ore pulps of step a3
In copper foil and battery diaphragm.
Step b3, the leaching ore pulp that step a3 is obtained is filtered, so as to obtain leaching ore pulp filtrate and leach ore pulp
Filter residue.Al content is 0.89wt% in the leaching ore pulp filter residue, and the leaching ore pulp filter residue be cell positive material and
Conductive material.
Aluminium hydroxide crystal seed, which is added, in step c3, the leaching ore pulp filtrate obtained to step b3 carries out crystallization precipitation, hydrogen-oxygen
The consumption for changing aluminium crystal seed is 1.0 times of aluminium in the leaching ore pulp filtrate, and the temperature that crystallization is separated out is 40 DEG C, and what crystallization was separated out stirs
Speed is mixed for 80rpm, the time that crystallization is separated out is 50h；Crystallization is filtered after separating out, so as to obtain crystalline aluminium hydroxide and alkali lye；
Al content is 32.47wt% in the crystalline aluminium hydroxide, and Al concentration is 22.4g/L in the alkali lye；The alkali lye can be recycled to step
Reused in a3 as the alkali lye of dissolving plus plate current-collecting body.
Specifically, using x-ray diffractometer to crystalline aluminium hydroxide resulting in the step c3 of the embodiment of the present invention 3
It is observed, so that X-ray diffracting spectrum (XRD) as shown in Figure 2.As seen from Figure 2：The main diffraction of the crystal
Peak and Al (OH)3Standard diffraction peak energy is coincide well, and this illustrates that the crystal is crystalline aluminum hydroxide.There is very small amount in addition
Co and Li compound.
As fully visible, not only reagent consumption is less, energy consumption is low, wastewater treatment capacity is small for the embodiment of the present invention, and can imitate point
From the collector being bonded together in waste and old lithium ion battery with positive electrode.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art is in the technical scope of present disclosure, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (10)
1. a kind of waste lithium ion cell anode collector recovery and treatment method, it is characterised in that comprise the following steps：
Step A, battery crushed material is added in alkali lye and dissolves plus plate current-collecting body, so as to obtain leaching ore pulp；
If there is copper foil or battery diaphragm in step B, leaching ore pulp, first the leaching ore pulp that step A is obtained is sieved
Screenings is filtered again, otherwise, directly the leaching ore pulp that step A is obtained filtered, so as to obtain leaching ore pulp filter
Liquid and leaching ore pulp filter residue；
Aluminium hydroxide crystal seed is added in step C, the leaching ore pulp filtrate obtained to step B and carries out crystallization precipitation, and is filtered, so that
Obtain crystalline aluminium hydroxide and alkali lye；The alkali lye is recycled in step A as the alkali lye of dissolving plus plate current-collecting body and reused.
2. waste lithium ion cell anode collector recovery and treatment method according to claim 1, it is characterised in that described
Aluminium hydroxide crystal seed progress crystallization precipitation is added in the leaching ore pulp filtrate obtained to step B to be included：The use of aluminium hydroxide crystal seed
Amount is 0.5~2 times of aluminium in the leaching ore pulp filtrate, and the temperature that crystallization is separated out is 20~50 DEG C, crystallizes the stirring speed separated out
Spend for 50~200rpm, the time that crystallization is separated out is 30~70h.
3. waste lithium ion cell anode collector recovery and treatment method according to claim 1 or 2, it is characterised in that
Described battery crushed material is added into dissolving plus plate current-collecting body in alkali lye includes：Concentration of lye is 100~250g/L, dissolving
The temperature of plus plate current-collecting body is 80~95 DEG C, and the mixing speed of dissolving plus plate current-collecting body is 300~600rpm, dissolves anode collection
The time of body is 1~3h.
4. waste lithium ion cell anode collector recovery and treatment method according to claim 1 or 2, it is characterised in that
The granularity of described battery crushed material is 5~10mm.
5. waste lithium ion cell anode collector recovery and treatment method according to claim 1 or 2, it is characterised in that
It is waste and old that described battery crushed material includes unitary waste lithium ion cell anode, binary waste lithium ion cell anode, ternary
At least one of positive pole leftover pieces produced in lithium ion cell positive, lithium ion battery production process.
6. waste lithium ion cell anode collector recovery and treatment method according to claim 1 or 2, it is characterised in that
The battery crushed material is made using following methods：Waste and old lithium ion battery is discharged, disassembled, except decapsidate, is obtained
Battery, then battery is broken into battery crushed material.
7. waste lithium ion cell anode collector recovery and treatment method according to claim 6, it is characterised in that to useless
Old lithium ion battery discharged, disassemble including：Waste and old lithium ion battery is placed in the NaCl solution that mass fraction is 5~10%
It is middle immersion 24 hours, be substantially discharged, then again to being substantially discharged after waste and old lithium ion battery carry out machinery disassemble.
8. waste lithium ion cell anode collector recovery and treatment method according to claim 1 or 2, it is characterised in that
The sieve aperture that the leaching ore pulp obtained to step A is sieved is 0.5~2mm.
9. waste lithium ion cell anode collector recovery and treatment method according to claim 1 or 2, it is characterised in that
The leaching ore pulp that step A is obtained is sieved, then to oversize carry out drying sorting so that obtain copper foil and/or battery every
Film.
10. waste lithium ion cell anode collector recovery and treatment method according to claim 1 or 2, it is characterised in that
Alkali lye described in step A is at least one of NaOH, KOH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363355.0A CN107196006A (en) | 2017-05-19 | 2017-05-19 | Recycling method of waste lithium ion battery anode current collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710363355.0A CN107196006A (en) | 2017-05-19 | 2017-05-19 | Recycling method of waste lithium ion battery anode current collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107196006A true CN107196006A (en) | 2017-09-22 |
Family
ID=59875408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710363355.0A Pending CN107196006A (en) | 2017-05-19 | 2017-05-19 | Recycling method of waste lithium ion battery anode current collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107196006A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658521A (en) * | 2017-10-20 | 2018-02-02 | 骆驼集团武汉光谷研发中心有限公司 | Lithium ion battery aluminum alkali soluble and its circulation utilization method and special equipment |
| CN108232351A (en) * | 2018-01-29 | 2018-06-29 | 长沙理工大学 | A kind of comprehensive recovering process of discarded ternary lithium-ion-power cell |
| CN111003734A (en) * | 2019-12-25 | 2020-04-14 | 南通金通储能动力新材料有限公司 | Method for recycling ternary precursor waste |
| CN113991205A (en) * | 2021-10-26 | 2022-01-28 | 中南大学 | Method for reducing alkali consumption in aluminum removal of battery anode waste |
| CN114256527A (en) * | 2021-12-06 | 2022-03-29 | 中国矿业大学(北京) | Method for removing impurities and separating positive electrode and negative electrode of waste lithium ion battery mixed material |
| WO2023010207A1 (en) * | 2021-08-03 | 2023-02-09 | Li-Cycle Corp. | System and method for recovering metal from battery materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280610A (en) * | 2013-03-29 | 2013-09-04 | 江西省电力科学研究院 | Method for recovering waste lithium iron phosphate battery positive pieces |
| CN103956534A (en) * | 2014-04-14 | 2014-07-30 | 湖南中骏科技有限公司 | Resource separation method of waste lithium-ion battery ingredients |
| CN106410330A (en) * | 2016-10-19 | 2017-02-15 | 深圳市锐劲宝能源电子有限公司 | Aluminum-air battery recycling method |
| CN106558739A (en) * | 2016-11-28 | 2017-04-05 | 安徽得盈再生资源回收有限公司 | Separating technology is reclaimed based on lithium ion battery environment-friendly high-efficiency in waste mobile phone |
-
2017
- 2017-05-19 CN CN201710363355.0A patent/CN107196006A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280610A (en) * | 2013-03-29 | 2013-09-04 | 江西省电力科学研究院 | Method for recovering waste lithium iron phosphate battery positive pieces |
| CN103956534A (en) * | 2014-04-14 | 2014-07-30 | 湖南中骏科技有限公司 | Resource separation method of waste lithium-ion battery ingredients |
| CN106410330A (en) * | 2016-10-19 | 2017-02-15 | 深圳市锐劲宝能源电子有限公司 | Aluminum-air battery recycling method |
| CN106558739A (en) * | 2016-11-28 | 2017-04-05 | 安徽得盈再生资源回收有限公司 | Separating technology is reclaimed based on lithium ion battery environment-friendly high-efficiency in waste mobile phone |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658521A (en) * | 2017-10-20 | 2018-02-02 | 骆驼集团武汉光谷研发中心有限公司 | Lithium ion battery aluminum alkali soluble and its circulation utilization method and special equipment |
| CN108232351A (en) * | 2018-01-29 | 2018-06-29 | 长沙理工大学 | A kind of comprehensive recovering process of discarded ternary lithium-ion-power cell |
| CN108232351B (en) * | 2018-01-29 | 2020-06-09 | 长沙理工大学 | Comprehensive recovery method of waste ternary lithium ion power battery |
| CN111003734A (en) * | 2019-12-25 | 2020-04-14 | 南通金通储能动力新材料有限公司 | Method for recycling ternary precursor waste |
| WO2023010207A1 (en) * | 2021-08-03 | 2023-02-09 | Li-Cycle Corp. | System and method for recovering metal from battery materials |
| CN113991205A (en) * | 2021-10-26 | 2022-01-28 | 中南大学 | Method for reducing alkali consumption in aluminum removal of battery anode waste |
| CN113991205B (en) * | 2021-10-26 | 2023-10-20 | 中南大学 | Method for reducing alkali consumption in aluminum removal of battery anode waste |
| CN114256527A (en) * | 2021-12-06 | 2022-03-29 | 中国矿业大学(北京) | Method for removing impurities and separating positive electrode and negative electrode of waste lithium ion battery mixed material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107196006A (en) | Recycling method of waste lithium ion battery anode current collector | |
| CN101599563B (en) | Method for efficiently recovering active materials of positive poles in waste lithium batteries | |
| CN105244564B (en) | A kind of recoverying and utilizing method of lithium iron phosphate dynamic battery | |
| CN107653378A (en) | The recovery method of valuable metal in a kind of waste and old nickel cobalt manganese lithium ion battery | |
| CN102703706B (en) | Method for recovering valued metals from waste lithium cobaltate batteries | |
| CN101818251B (en) | Method for recovering cobalt and lithium from waste lithium ion batteries | |
| CN102285673B (en) | Method for recovering lithium and iron from lithium iron phosphate power battery for electromobile | |
| CN107017443A (en) | A kind of method of the comprehensively recovering valuable metal from waste and old lithium ion battery | |
| CN103146923B (en) | Method for producing lead oxide by recovering waste lead-acid batteries based on atom economy way | |
| CN102030375A (en) | Method for preparing lithium cobaltate by directly using failed lithium ion battery | |
| CN102244309B (en) | Method for recovering lithium from lithium power battery of electric automobile | |
| CN106191466A (en) | A kind of method reclaiming lithium from waste lithium iron phosphate battery | |
| TW201809296A (en) | Process for recovery of pure cobalt oxide from spent lithium ion batteries with high manganese content | |
| CN108384955A (en) | A method of from selectively carrying lithium in waste material containing lithium battery | |
| CN109097581A (en) | The recovery method of valuable metal in waste and old nickel cobalt manganese lithium ion battery | |
| CN101886178B (en) | Comprehensive recovery method for nickel-hydrogen waste battery | |
| CN101871048A (en) | Method for recovering cobalt, nickel and manganese from waste lithium cells | |
| CN101831548A (en) | Method for recovering valuable metals from waste lithium manganese oxide battery | |
| CN107742760A (en) | Method for extracting lithium from waste lithium ion battery | |
| CN105789724A (en) | Treatment method for waste lithium-ion battery | |
| CN105322247A (en) | Method for preparing lithium cobaltate by directly using spent lithium ion batteries | |
| EP4199184A1 (en) | Method for processing waste lithium battery separator paper | |
| CN101673829A (en) | Recovery processing method of waste zinc-manganese battery | |
| CN101499547A (en) | Positive electrode material recovering method for waste lithium ionic cell | |
| CN106591582A (en) | Environment-friendly and efficient recovery treatment process for end-of-life mobile phone |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170922 |