CN108232350A - A kind of electrode material stripping off device and method suitable for lithium ion battery - Google Patents
A kind of electrode material stripping off device and method suitable for lithium ion battery Download PDFInfo
- Publication number
- CN108232350A CN108232350A CN201711461135.8A CN201711461135A CN108232350A CN 108232350 A CN108232350 A CN 108232350A CN 201711461135 A CN201711461135 A CN 201711461135A CN 108232350 A CN108232350 A CN 108232350A
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- Prior art keywords
- electrode material
- roll
- lithium ion
- component
- ion battery
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of electrode material stripping off devices and method suitable for lithium ion battery, device includes the roll-in component being installed on stent, it is set to the pole piece placement operation platform of roll-in component side, the transport mechanism being set to below roll-in component, deflector is provided between roll-in component and transport mechanism, storage bin is provided with below transport mechanism, roll-in component is driven by decelerating motor.After battery discharge, battery is cut open using cutting method, takes out battery core, sort out positive plate, after positive plate heating is to remove binding agent, pole piece is smooth to enter pole piece stripping off device platform, peels off electrode powder by the effect of the gear, lower gear of roll-in component.Apparatus structure is simple, and stripping process is few, and organic efficiency is high.
Description
Technical field
The present invention relates to field of lithium ion battery, and in particular to a kind of from the side of lithium ion cell electrode stripping electrode material
Method and device.
Background technology
With the fast development of new-energy automobile, the usage amount of power lithium-ion battery will quickly increase accordingly, with
Battery terminates, it is contemplated that in the near future, waste and old lithium ion battery the growth of explosion type will occur.Waste and old battery
It is directly discarded, huge environmental pollution and the wasting of resources can be brought to environment, therefore, innoxious, resource is realized to old and useless battery
It is the following problem that must be solved to change recycling.Wherein, the automation of electrode material is directly collected and existing hydrometallurgic recovery skill
Art is compared, and does not need to soda acid equal solvent, can substantially reduce the treating capacity of acid-base waste fluid and the secondary pollution to environment, have
Important value.Especially for the positive electrodes such as LiFePO4 using high temperature direct method recycling, electrode material it is direct
It collects, is the prerequisite that subsequent recovery utilizes.
Patent of invention content
The purpose of the present invention is to provide a kind of electrode material stripping off device and method suitable for lithium ion battery, devices
It is simple in structure, environmental protection simple for process, organic efficiency height.
In order to achieve the above object, the present invention proposes following technical solution：
A kind of electrode material stripping off device suitable for lithium ion battery, including the roll-in component being installed on stent, if
It is placed in the pole piece placement operation platform of roll-in component side, the transport mechanism being set to below roll-in component, the roll-in component
Deflector is provided between the transport mechanism, is provided with storage bin below the transport mechanism, the roll-in component is by subtracting
Speed motor drives.
The roll-in component includes gear and lower gear, and the spacing that is engaged between the gear and the lower gear is
0.02-1.00mm。
The gear and lower gear are all spur gear or screw type gear.
The deflector is semicircular arc, is set to the positive rear side of the lower gear.
The transmission mechanism includes the conveyor roller bearing being installed on stent, with the transmission driven by the conveyor roller bearing
Band is provided with grid hole in the conveyor.
The storage bin lower end is provided with discharge port.
Meanwhile a kind of corresponding electrode material stripping means suitable for lithium ion battery is provided, include the following steps：
1) electrode slice pre-treatment：Battery core is taken out, sorts out positive plate, removes the bonding agent on positive plate；
2) start motor, the positive plate for eliminating bonding agent is positioned over the pole piece placement operation platform；
3) after roll-in component roll-in, electrode material comes off positive plate, enters storage by the grid hole in conveyor
Case, remaining aluminium foil are entered in conveyor by deflector, are taken out of by conveyor.
Positive plate bonding agent minimizing technology in step 1) includes the following steps：
(I) positive plate is placed under argon gas, nitrogen, oxygen or air atmosphere；
(II) 70 DEG C -90 DEG C are heated to, after keeping the temperature 0h-2h, temperature is raised at 350 DEG C -500 DEG C, 1h-3h is kept the temperature, to go
Except the binding agent on positive plate.
Beneficial effects of the present invention are：
Apparatus of the present invention are crushed the electrode material of positive plate by setting roll-in component, and electrode material is from conveyor
It is fallen into storage bin in grid hole, and the aluminium foil after stripping electrode material, conveyor is entered by deflector, takes device out of, it is real
The recycling of electrode material and aluminium foil is showed, the apparatus structure is simple, and corresponding electrode material stripping means is also simple and environmentally-friendly, recycling
It is efficient.
Description of the drawings
Fig. 1 is the electrode material stripping off device structure diagram suitable for lithium ion battery of straight-tooth wheel-type of the present invention.
Fig. 2 is the electrode material stripping off device structure diagram suitable for lithium ion battery of helical gear type of the present invention.
Description of symbols in figure：
10- stents, 20- roll-ins component, 21- gears, 22- lower gears, 30- pole piece placement operations platform, 40- conveyers
Structure, 41- conveyors, 42- conveyors roller bearing, 411- grid holes, 50- deflectors, 60- storage bins, 61- discharge ports, 70- slow down electric
Machine, 71- decelerating motor bearings.
Specific embodiment
Present disclosure is described in further details with reference to the accompanying drawings and detailed description.
With reference to shown in Fig. 1 and Fig. 2, a kind of electrode material stripping off device suitable for lithium ion battery, including being installed on branch
Roll-in component 20 on frame 10 is set to the pole piece placement operation platform 30 of 20 side of roll-in component, is set to roll-in component 20
The transport mechanism 40 of lower section, is provided with deflector 50 between roll-in component 20 and transport mechanism 40,40 lower section of transport mechanism is set
There is storage bin 60, roll-in component 20 is driven by decelerating motor 70.
Roll-in component 20 includes gear 21 and lower gear 22, and gear 21 is engaged spacing 0.02- with lower gear 22
1.00mm, gear 21, lower gear 22 are vertical bar type gear or screw type gear, and gear 21, the gear teeth of lower gear 22 are high
For 3.5-4.5mm, the spacing between tooth and tooth is 2.5-3.5mm.
Decelerating motor 70 is set to gear 21 with by 22 side of lower gear, being fixed by decelerating motor bearing 71, for controlling
The rotating speed of gear 21, lower gear 22.
Deflector 50 is half-circle-arc shape, is arranged on the positive rear side of lower gear 22.
Transport mechanism 40 includes being set to the conveyor 41 immediately below lower gear 22 and the transmission for driving conveyor 41
Band roller bearing 42,42 both ends of conveyor roller bearing are fixed on stent 10, and grid hole 411 is provided in conveyor 41.
Storage bin 60 is located at the underface of conveyor 41, and 60 lower part of storage bin is additionally provided with discharge port 61.
A kind of method that corresponding electrode material suitable for lithium ion battery is removed, including electrode slice pre-treatment and stripping
Device.
Electrode slice pre-treating method is：
After old and useless battery physics is discharged, battery is cut open using cutting method, takes out battery core, sort out positive plate.
Positive plate is heated to 70 DEG C -90 DEG C under argon gas, nitrogen, oxygen or air atmosphere, after keeping the temperature 0h-2h, temperature liter
To at 350 DEG C -500 DEG C, 1h-3h is kept the temperature, to go on positive plate to remove binding agent.
The stripping of electrode slice：
By the electrode film of pretreatment, the charging placement platform of stripping off device is positioned over, enters gear 21, lower tooth
The intermediate gaps of wheel 22, advance touch deflector 50, and the collector of electrode falls in conveyor 41, taken out of by conveyor 41.
Decelerating motor 70 controls the rotating speed of gear 21, lower gear 22.Adjust decelerating motor 70 so that gear 21, under
The speed of gear 22 is about 15rad/min.
Electrode slice passes through the roll flute of gear 21, lower gear 22 to its surface roll-in, rubbing action, and electrode material is fallen to
Conveyor 41 immediately below lower gear 22, across the grid hole 411 of conveyor 41, falls into the storage bin 60 immediately below conveyor,
It, can be by electrode material outside 61 output device of discharge port when the electrode material in storage bin 60 reaches a certain amount of.
Specifically, deflector 50 is half-circle-arc shape, deflector 50 is located at the positive rear side of lower gear 22, and deflector 50 is main
Effect is that the current collector aluminum foil after stripping electrode material is entered in conveyor 41, is taken out of by conveyor 41.
Above-listed detailed description is illustrating for possible embodiments of the present invention, which is not to limit this hair
Bright the scope of the claims, all equivalence enforcements or change without departing from carried out by the present invention are intended to be limited solely by the scope of the claims of this case.
Claims (10)
1. a kind of electrode material stripping off device suitable for lithium ion battery, it is characterised in that：Including the roller being installed on stent
Component is pressed, is set to the pole piece placement operation platform of roll-in component side, the transport mechanism being set to below roll-in component is described
Deflector is provided between roll-in component and the transport mechanism, storage bin, the roll-in are provided with below the transport mechanism
Component is driven by decelerating motor.
2. the electrode material stripping off device according to claim 1 suitable for lithium ion battery, it is characterised in that：The roller
Component is pressed to include gear and lower gear, spacing is engaged as 0.02-1.00mm between the gear and the lower gear.
3. the electrode material stripping off device according to claim 2 suitable for lithium ion battery, it is characterised in that：On described
Gear and lower gear are all spur gear.
4. the electrode material stripping off device according to claim 2 suitable for lithium ion battery, it is characterised in that：On described
Gear and lower gear are all screw type gear.
5. the electrode material stripping off device according to claim 2 suitable for lithium ion battery, it is characterised in that：It is described to lead
Flowing plate is semicircular arc, is set to the positive rear side of the lower gear.
6. the electrode material stripping off device according to claim 2 suitable for lithium ion battery, it is characterised in that：The biography
Transfer mechanism includes the conveyor roller bearing being installed on stent, with the conveyor driven by the conveyor roller bearing, the conveyor
It is set to the underface of lower gear.
7. the electrode material stripping off device according to claim 6 suitable for lithium ion battery, it is characterised in that：The biography
Defeated take is provided with grid hole.
8. it is suitable for the electrode material stripping off device of lithium ion battery according to claim 1, it is characterised in that：The storage
Case lower end is provided with discharge port.
9. a kind of electrode material stripping means suitable for lithium ion battery, it is characterised in that：Include the following steps：
1) electrode slice pre-treatment：Battery core is taken out, sorts out positive plate, removes the bonding agent on positive plate；
2) start motor, the positive plate for eliminating bonding agent is positioned over the pole piece placement operation platform；
3) after roll-in component roll-in, electrode material comes off positive plate, enters storage bin by the grid hole in conveyor, remains
Remaining aluminium foil is entered by deflector in conveyor, is taken out of by conveyor.
10. the electrode material stripping means according to claim 8 suitable for lithium ion battery, it is characterised in that：Step
1) the positive plate bonding agent minimizing technology in includes the following steps：
(I) positive plate is placed under argon gas, nitrogen, oxygen or air atmosphere；
(II) 70 DEG C -90 DEG C are heated to, after keeping the temperature 0h-2h, temperature is raised at 350 DEG C -500 DEG C, keeps the temperature 1h-3h, to remove just
Binding agent on pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461135.8A CN108232350A (en) | 2017-12-28 | 2017-12-28 | A kind of electrode material stripping off device and method suitable for lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461135.8A CN108232350A (en) | 2017-12-28 | 2017-12-28 | A kind of electrode material stripping off device and method suitable for lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108232350A true CN108232350A (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711461135.8A Pending CN108232350A (en) | 2017-12-28 | 2017-12-28 | A kind of electrode material stripping off device and method suitable for lithium ion battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756425A (en) * | 2019-09-26 | 2020-02-07 | 合肥工业大学 | Separation device and separation method for electrode plates of waste vehicle-mounted lithium power batteries |
| CN112331948A (en) * | 2020-10-23 | 2021-02-05 | 合肥工业大学 | Waste power lithium battery electrode material separation device |
| CN114204149A (en) * | 2021-11-24 | 2022-03-18 | 华中科技大学 | Method for separating electrode material from retired lithium battery pole piece and application thereof |
| CN117117369A (en) * | 2022-12-13 | 2023-11-24 | 山东华劲电池材料科技有限公司 | Recovery processing method of ternary positive electrode material |
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| CN201369360Y (en) * | 2009-01-20 | 2009-12-23 | 天空能源(洛阳)有限公司 | Battery pole piece rolling press |
| KR101048569B1 (en) * | 2010-03-04 | 2011-07-11 | 현대중공업 주식회사 | Matal-air cells having roll type metal plate supplying apparatus |
| CN102315503A (en) * | 2011-06-24 | 2012-01-11 | 长兴新源机械设备科技有限公司 | Recovery system of accumulator plate |
| CN102723461A (en) * | 2012-06-29 | 2012-10-10 | 深圳市赢合科技股份有限公司 | Pole piece roller compression machine |
| CN202655263U (en) * | 2012-06-20 | 2013-01-09 | 山东沃特森新能源科技有限公司 | Dust collection device for lithium ion battery pole piece rolling machine |
| CN103707436A (en) * | 2013-12-17 | 2014-04-09 | 上海交通大学 | Method for recycling waste hard plastics based on charged attenuation sorting |
| CN204144398U (en) * | 2014-10-14 | 2015-02-04 | 安徽亿诺新能源有限责任公司 | Dry powder film-making is given up powder reclaiming device |
| CN107317063A (en) * | 2017-05-18 | 2017-11-03 | 宁波中车新能源科技有限公司 | A kind of recovery and treatment method of ternary system battery capacitor positive pole |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201369360Y (en) * | 2009-01-20 | 2009-12-23 | 天空能源(洛阳)有限公司 | Battery pole piece rolling press |
| KR101048569B1 (en) * | 2010-03-04 | 2011-07-11 | 현대중공업 주식회사 | Matal-air cells having roll type metal plate supplying apparatus |
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| CN103707436A (en) * | 2013-12-17 | 2014-04-09 | 上海交通大学 | Method for recycling waste hard plastics based on charged attenuation sorting |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756425A (en) * | 2019-09-26 | 2020-02-07 | 合肥工业大学 | Separation device and separation method for electrode plates of waste vehicle-mounted lithium power batteries |
| CN112331948A (en) * | 2020-10-23 | 2021-02-05 | 合肥工业大学 | Waste power lithium battery electrode material separation device |
| CN112331948B (en) * | 2020-10-23 | 2021-10-01 | 合肥工业大学 | Waste power lithium battery electrode material separation device |
| CN114204149A (en) * | 2021-11-24 | 2022-03-18 | 华中科技大学 | Method for separating electrode material from retired lithium battery pole piece and application thereof |
| CN117117369A (en) * | 2022-12-13 | 2023-11-24 | 山东华劲电池材料科技有限公司 | Recovery processing method of ternary positive electrode material |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180629 |