CN109742472A - A method of aluminium foil and ternary powder in recycling ternary pole piece - Google Patents
A method of aluminium foil and ternary powder in recycling ternary pole piece Download PDFInfo
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- CN109742472A CN109742472A CN201811522944.XA CN201811522944A CN109742472A CN 109742472 A CN109742472 A CN 109742472A CN 201811522944 A CN201811522944 A CN 201811522944A CN 109742472 A CN109742472 A CN 109742472A
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- 239000005030 aluminium foil Substances 0.000 title claims abstract description 121
- 239000000843 powder Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000004064 recycling Methods 0.000 title claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000010828 elution Methods 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 74
- 239000007788 liquid Substances 0.000 claims description 30
- 238000003756 stirring Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 9
- 239000000706 filtrate Substances 0.000 claims description 8
- 238000011084 recovery Methods 0.000 abstract description 15
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- 239000004411 aluminium Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- KFDQGLPGKXUTMZ-UHFFFAOYSA-N [Mn].[Co].[Ni] Chemical compound [Mn].[Co].[Ni] KFDQGLPGKXUTMZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- 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
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of methods of aluminium foil and ternary powder in recycling ternary battery, belong to battery recycling technical field.This method comprises the following steps: (1) alkalinity removing；(2) floating separation；(3) wet aluminium foil washing drying；(4) ternary slurry filters pressing elution drying.The method of the present invention can realize ternary pole piece synthetical recovery aluminium foil and ternary powder by shirtsleeve operation, have certain economic benefit and social benefit.
Description
Technical field
The present invention relates to battery recycling technical fields, more particularly to aluminium foil in a kind of recycling ternary pole piece and ternary powder
Method.
Background technique
China's lithium battery industry has kept rapid growth since 2012, and China's lithium ion battery yield is within 2017
100.23 hundred million, increase by 27.81% on a year-on-year basis.Power battery shipment amount 39.12GWh in 2017, increases by 30% or more, Zhan Quan on a year-on-year basis
Ball shipment amount is up to 50.3%.It is expected that dynamic lithium battery 2018-2020 annual compound growth rate will arrive the year two thousand twenty dynamic lithium battery up to 30%
Market capacity be about 94.5Gwh, it is contemplated that 37,800,000,000 yuan of market scale of the year two thousand twenty lithium electric equipment, the home equipment output value is up to 321
Hundred million yuan.But it is concentrated with the dynamic lithium battery that first is on active service and enters the date of retirement, lithium electricity recycling in 2018 has welcome the small of recycling
Peak.
Waste lithium cell recovery body has great environmental benefit.Lithium ion battery mainly by positive electrode, negative electrode material,
Electrolyte and four part of diaphragm are constituted, wherein positive electrode magnitude of value highest, and the emphasis of recycling.It is with ternary lithium battery
Example, positive electrode accounting about 35% in cost, negative electrode material, electrolyte and diaphragm accounting about 5%, 8% and 8% respectively.It is useless
The material of old lithium ion battery once enters in environment, the metal ions such as nickel cobalt manganese in positive electrode, cathode carbon dust,
Highly basic and heavy metal ion in electrolyte are likely to cause heavy metal pollution or organic pollution, and eventually by food chain
It eventually enters into humans and animals body, seriously affects environmental quality and human health.
Have more technique for the recycling of ternary battery, but predominantly first disassemble ternary battery, obtain anode pole piece,
Cathode pole piece etc., then pole piece is crushed classification again, anode obtains aluminium foil and ternary powder, and cathode obtains copper foil.For positive pole
Aluminium foil color caused by the recovery process of piece is more black, contains ternary material.Aluminium foil color is more preferable, and contained ternary material is more
It is few, also there is patent to be studied.As patent 210410116605.7 discloses " waste and old lithium ion battery comprehensive reutilization
Method ", positive electrode and negative electrode piece is sent into 0.5~5% sodium hydroxide solution and is stirred 5~60 minutes by this method, by cobalt acid lithium point
It separates out and, and obtain plastics and copper aluminium mixture.Although later being separated plastics with floating washing method, the mixing of copper aluminium is left
Object.
Summary of the invention
For this purpose, the purpose of the present invention is to provide a kind of method of aluminium foil and ternary powder in recycling ternary pole piece, technique
Simply, low energy consumption, reduces production cost, has certain economic benefit and social benefit.Specific technical solution is as follows: a kind of
The method for recycling aluminium foil and ternary powder in ternary pole piece, includes the following steps:
(1) sodium hydroxide solution, the sodium hydroxide solution mass percentage concentration of use alkalinity removing: are added in stirred tank
It is 2.8~3.2%, it is 0.01:1~0.2:1 addition that ternary pole piece, which is pressed solid-to-liquid ratio, is stirred after addition, until ternary pole
The aluminium foil of piece is separated with ternary powder；
(2) floating separation: stopping stirring, and aluminium foil floats on liquid level, pulls aluminium foil out with strainer, and aluminium foil is placed in another has
In the stirred tank of clear water, aluminium foil at this time is wet aluminium foil, and remaining solution is ternary slurry.
(3) wet aluminium foil washing drying: in the stirred tank in clear water after a certain period of time by the stirring of wet aluminium foil, again by aluminium foil
It fishes out, dries, obtain aluminium foil.
(4) ternary slurry filters pressing elution drying: by ternary slurry filters pressing, filtrate return step (1) alkalinity stripping process is used
Pure water elutes filter press online, then dries, and obtains ternary powder.
The recovery method of aluminium foil and ternary powder is for ternary pole piece in a kind of recycling ternary pole piece provided by the present application
, it can be achieved that ternary material is preferably separated with aluminium foil under conditions of the stirring appropriate time of appropriate sodium hydroxide, aluminium is recycled
Foil is reacted with sodium hydroxide generates hydrogen, floats on aluminium foil on liquid level, to thoroughly obtain aluminium foil and ternary material.Hydrogen-oxygen
Change very few sodium solution or ternary material and aluminium foil is not completely separated or cannot preferably float on liquid level；Hydroxide
Sodium solution is excessive, and aluminium foil can be floated on preferably on liquid level, but reacts too fast, causes aluminium foil loss excessive.
Further, in step (2), mixing speed is 50~100 revs/min.Rapidly stirring is conducive to preferably utilize
Aluminium foil is reacted with sodium hydroxide generates hydrogen, floats on aluminium foil on liquid level.
Further, in step (1), ternary pole piece and sodium hydroxide solution solid-to-liquid ratio are 0.05:1~0.1:1.It is preferred that this
A solid-to-liquid ratio range can preferably be stripped out aluminium foil.
Further, in step (3), the time that wet aluminium foil is stirred in the stirred tank in clear water is 10~30 minutes.
By experimental studies have found that, general mixing time is 10~30 minutes achievable aluminium foils to be separated well with ternary powder.
Further, in step (1), mixing time was at 5~10 minutes.Aluminium foil can be filled by stirring 5~10 minutes
It is stripped out with dividing.
Further, in step (2), aluminium foil is pulled out with 40-80 mesh number strainer.It can using the strainer of mesh number within the scope of this
Come so that aluminium foil is all pulled out.
Further, it in step (3), after washing in aluminium foil agitated 5~10 minutes, is dried in 80~100 DEG C of baking ovens, and
Drying time is 30-60 minutes.
Further, in step (4), ternary material through online elution 5~after ten minutes, dried in 105~130 DEG C of baking ovens
It is dry, and drying time is 60-120 minutes.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the embodiment of the present invention are from the description of the embodiment in conjunction with the following figures
It will be apparent and be readily appreciated that, in which:
Fig. 1 is the process flow chart of the method for aluminium foil and ternary powder in recycling ternary battery of the invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of method for recycling aluminium foil and ternary powder in ternary battery, including walk as follows
It is rapid:
(1) sodium hydroxide solution, the sodium hydroxide solution mass percentage concentration of use alkalinity removing: are added in stirred tank
It is 2.8~3.2%, it is 0.01:1~0.2:1 addition that ternary pole piece, which is pressed solid-to-liquid ratio, is stirred after addition, until ternary pole
The aluminium foil of piece is separated with ternary powder；
(2) floating separation: stopping stirring, and aluminium foil floats on liquid level, pulls aluminium foil out with strainer, and aluminium foil is placed in another has
In the stirred tank of clear water, aluminium foil at this time is wet aluminium foil, and remaining solution is ternary slurry.
(3) wet aluminium foil washing drying: in the stirred tank in clear water after a certain period of time by the stirring of wet aluminium foil, again by aluminium foil
It fishes out, dries, obtain aluminium foil.
(4) ternary slurry filters pressing elution drying: by ternary slurry filters pressing, filtrate return step (1) alkalinity stripping process is used
Pure water elutes filter press online, then dries, and obtains ternary powder.
The recovery method of aluminium foil and ternary powder is for ternary pole piece in a kind of recycling ternary pole piece provided by the present application
, it can be achieved that ternary material is preferably separated with aluminium foil under conditions of the stirring appropriate time of appropriate sodium hydroxide, aluminium is recycled
Foil is reacted with sodium hydroxide generates hydrogen, floats on aluminium foil on liquid level, to thoroughly obtain aluminium foil and ternary material.Hydrogen-oxygen
Change very few sodium solution or ternary material and aluminium foil is not completely separated or cannot preferably float on liquid level；Hydroxide
Sodium solution is excessive, and aluminium foil can be floated on preferably on liquid level, but reacts too fast, causes aluminium foil loss excessive.
Embodiment one
(1) alkalinity removing: it is 2.8% sodium hydroxide solution 3L that mass percentage concentration is added in the stirred tank of 5L, will
150g ternary pole piece is added by the solid-to-liquid ratio of 0.05:1, quickly stirring 10 minutes, and 50 revs/min of mixing speed, the aluminium of ternary pole piece
Foil is separated with ternary powder；
(2) floating separation: stopping stirring, and aluminium foil floats on liquid level, pulls aluminium foil out with 60 mesh filter screens, and aluminium foil is placed in separately
One has in the stirred tank of clear water.
(3) aluminium foil washing drying: stirring after five minutes, again fishes out aluminium foil, dries at 80 DEG C, and drying time is 30 points
Clock obtains aluminium foil 12.4g.
(4) ternary slurry filters pressing elution drying: by ternary slurry filters pressing, filtrate returns to alkaline stripping process.Existed with pure water
Line elutes filter press after five minutes, then ternary powder is dried at 105 DEG C, and drying time is 60 minutes, obtains ternary powder
129.1g。
The present embodiment is carried out fastly in the sodium hydroxide solution that mass percentage concentration is 2.8% for 150g ternary pole piece
The solid-to-liquid ratio of speed stirring, ternary pole piece and sodium hydroxide solution is 0.05:1, and mixing speed is 50 revs/min, and mixing time 10 is divided
Clock realizes ternary powder and preferably separates with aluminium foil, while being reacted using aluminium foil with sodium hydroxide and generating hydrogen, can make aluminium foil
It floats on liquid level, so that being kept completely separate for ternary powder and aluminium foil, finally obtained aluminium foil 12.4g, the rate of recovery is
79.6% and ternary powder 129.1g, the rate of recovery 99.9%.Sodium hydroxide is molten very few or ternary powder cannot be complete with aluminium foil
It is fully separating or cannot preferably float on liquid level；Sodium hydroxide solution is excessive, aluminium foil can preferably float on liquid level it
On, but react too fast, cause aluminium foil loss excessive.
Embodiment two
(1) alkalinity removing: being added 3% sodium hydroxide solution 3L in the stirred tank of 5L, and 300g ternary pole piece is pressed 0.1:1
Solid-to-liquid ratio is added, and 100 revs/min of mixing speed, quickly stirring 8 minutes, separate aluminium foil with ternary powder.
(2) floating separation: stopping stirring, and aluminium foil floats on liquid level, pulls aluminium foil out with 80 mesh filter screens, and aluminium foil is placed in separately
One has in the stirred tank of clear water.
(3) wet aluminium foil washing drying: after stirring 8 minutes, aluminium foil is fished out again, is dried at 90 DEG C, obtains aluminium foil
25.8g, the rate of recovery 82.7%.
(4) ternary slurry filters pressing elution drying: by ternary slurry filters pressing, filtrate returns to alkaline stripping process.Existed with pure water
Line elute filter press 8 minutes after, then by ternary powder 120 DEG C dry, obtain ternary powder 259.3g, the rate of recovery is
99.8%.
Embodiment three
(1) alkalinity removing: 3.2% sodium hydroxide solution 3L is added in the stirred tank of 5L, 600g ternary pole piece is pressed
0.2:1 solid-to-liquid ratio is added, and quickly stirring 8 minutes, separate aluminium foil with ternary material.
(2) floating separation: stopping stirring, and aluminium foil floats on liquid level, pulls aluminium foil out with 40 mesh filter screens, and aluminium foil is placed in separately
One has in the stirred tank of clear water.
(3) wet aluminium foil washing drying: stirring after ten minutes, again fishes out aluminium foil, dries at 100 DEG C, obtains aluminium foil
53.3g, the rate of recovery 85.6%.
(4) ternary slurry filters pressing elution drying: by ternary slurry filters pressing, filtrate returns to alkaline stripping process.Existed with pure water
Line elutes filter press after ten minutes, then three powder materials are dried at 130 DEG C, obtains ternary powder 518.6g, the rate of recovery is
99.9%.
Example IV
(1) alkalinity removing: 3.2% sodium hydroxide solution 4L is added in the stirred tank of 10L, 600g ternary pole piece is pressed
0.15:1 solid-to-liquid ratio is added, and mixing speed is 60 revs/min, and quickly stirring 6 minutes, separate aluminium foil with ternary material.
(2) floating separation: stopping stirring, and aluminium foil floats on liquid level, pulls aluminium foil out with 50 mesh filter screens, and aluminium foil is placed in separately
One has in the stirred tank of clear water.
(3) wet aluminium foil washing drying: stirring after ten minutes, again fishes out aluminium foil, dries at 100 DEG C, obtains aluminium foil
53.3g, the rate of recovery 85.6%.
(4) ternary slurry filters pressing elution drying: by ternary slurry filters pressing, filtrate returns to alkaline stripping process.Existed with pure water
Line elutes filter press after ten minutes, then ternary powder is dried at 130 DEG C, obtains ternary powder 518.6g, the rate of recovery is
99.9%.
Embodiment five
(1) alkalinity removing: 3.2% sodium hydroxide solution 8L is added in the stirred tank of 10L, 800g ternary pole piece is pressed
0.1:1 solid-to-liquid ratio is added, and mixing speed is 70 revs/min, and quickly stirring 7 minutes, separate aluminium foil with ternary material.
(2) floating separation: stopping stirring, and aluminium foil floats on liquid level, pulls aluminium foil out with 60 mesh filter screens, and aluminium foil is placed in separately
One has in the stirred tank of clear water.
(3) wet aluminium foil washing drying: stirring after ten minutes, again fishes out aluminium foil, dries at 100 DEG C, obtains aluminium foil
71.1g, the rate of recovery 85.9%.
(4) ternary slurry filters pressing elution drying: by ternary slurry filters pressing, filtrate returns to alkaline stripping process.Existed with pure water
Line elutes filter press after ten minutes, then ternary powder is dried at 130 DEG C, obtains ternary powder 692.2g, the rate of recovery is
99.8%.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of method of aluminium foil and ternary powder in recycling ternary battery, characterized by the following steps:
(1) alkalinity removing: sodium hydroxide solution is added in stirred tank, the sodium hydroxide solution mass percentage concentration used for
2.8~3.2%, it is 0.05:1~0.2:1 addition that ternary pole piece, which is pressed solid-to-liquid ratio, is stirred after addition, until ternary pole piece
Aluminium foil separated with ternary powder；
(2) floating separation: stopping stirring, and aluminium foil floats on liquid level, pulls aluminium foil out with strainer, and aluminium foil is placed in another has clear water
Stirred tank in, aluminium foil at this time is wet aluminium foil, and remaining solution is ternary slurry；
(3) wet aluminium foil washing drying: in the stirred tank in clear water after a certain period of time by the stirring of wet aluminium foil, aluminium foil is picked up again
Drying, obtains aluminium foil；
(4) ternary slurry filters pressing elution drying: by ternary slurry filters pressing, filtrate return step (1) alkalinity stripping process uses pure water
Online elution ternary slurry, then dry, obtain ternary powder.
2. the method for aluminium foil and ternary powder in a kind of recycling ternary battery according to claim 1, it is characterised in that: step
Suddenly in (2), mixing speed is 50~100 revs/min.
3. the method for aluminium foil and ternary powder in a kind of recycling ternary battery according to claim 1, it is characterised in that: step
Suddenly in (1), ternary pole piece and sodium hydroxide solution solid-to-liquid ratio are 0.05:1~0.1:1.
4. the method for aluminium foil and ternary powder in a kind of recycling ternary battery according to claim 1, it is characterised in that: step
Suddenly in (3), the time that wet aluminium foil is stirred in the stirred tank in clear water is 10~30 minutes.
5. the method for aluminium foil and ternary powder in a kind of recycling ternary battery according to claim 1, it is characterised in that: step
Suddenly in (1), mixing time was at 5~10 minutes.
6. the method for aluminium foil and ternary powder in a kind of recycling ternary battery according to claim 1, it is characterised in that: step
Suddenly in (2), aluminium foil is pulled out with 40-80 mesh number strainer.
7. the method for aluminium foil and ternary powder in a kind of recycling ternary battery according to claim 1, it is characterised in that: step
Suddenly it in (3), after washing in aluminium foil agitated 5~10 minutes, is dried in 80~100 DEG C of baking ovens.
8. the method for aluminium foil and ternary powder in a kind of recycling ternary battery according to claim 7, it is characterised in that:
It is dried in 80~100 DEG C of baking ovens, and drying time is 30-60 minutes.
9. the method for aluminium foil and ternary powder in a kind of recycling ternary battery according to claim 1, it is characterised in that: step
Suddenly in (4), ternary slurry through online elution 5~after ten minutes, dried in 105~130 DEG C of baking ovens.
10. the method for aluminium foil and ternary powder in a kind of recycling ternary battery according to claim 9, it is characterised in that:
It is dried in 105~130 DEG C of baking ovens, and drying time is 60-120 minutes.
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Application publication date: 20190510 |
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