CN103117419A - Waste lithium ion battery repair method - Google Patents
Waste lithium ion battery repair method Download PDFInfo
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- CN103117419A CN103117419A CN2013100303940A CN201310030394A CN103117419A CN 103117419 A CN103117419 A CN 103117419A CN 2013100303940 A CN2013100303940 A CN 2013100303940A CN 201310030394 A CN201310030394 A CN 201310030394A CN 103117419 A CN103117419 A CN 103117419A
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- ion battery
- lithium ion
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- old lithium
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a waste lithium ion battery repair method. The method comprises the steps of discharging a waste lithium ion battery, perforating, shaping and vacuum drying the waste lithium ion battery, injecting electrolyte into the lithium ion battery, then sealing the hole of the lithium ion battery, and finally charging and activating the waste lithium ion battery. The invention aims at solving the problems of the waste lithium ion battery that the electrolyte is insufficient, a polar plate passivating film is damaged due to circulation and temperature, the capacity is low, and the cycle performance is poor. The waste lithium ion battery repair method is low in cost, environment-friendly and energy-saving, and the repair process is easy to realize.
Description
Technical field
The invention belongs to the waste and old lithium ion battery applied technical field, relate in particular to a kind of waste and old lithium ion battery restorative procedure.
Background technology
The many advantages such as lithium ion battery is high because of its energy density, have extended cycle life, environmental protection become of paramount importance energy storage device in electric automobile, power tool, the development of street lamp equal energy source device.
On the one hand, the lithium ion battery that mobile phone etc. use is universal, and waste and old lithium ion battery is about to cause environmental issue.Although the waste and old lithium ion battery residual capacity is lower than its rated capacity, but waste and old lithium ion battery is through performance recovery, its dump energy is still high than lead-acid battery, cycle performance is also excellent than lead-acid battery, and the rear use of waste and old lithium ion battery reparation has not only been reduced environmental pressure but also saved social investment and resource.
On the other hand, the development of electric automobile power battery very rapidly, several years electrokinetic cells of future will enter a large amount of recovery stages, therefore need to consider recovery, processing and the recycling etc. of battery.By reparation and the recycling of waste and old lithium ion battery, can alleviate the pressure that a large amount of electrokinetic cells enter recovery stage, to improve the benefit of enterprise.The more important thing is, can effectively share to a certain extent electric automobile consumer's use cost.
Summary of the invention
The objective of the invention is to propose a kind of cost low, repair process is easily realized, can also reach the waste and old lithium ion battery restorative procedure of environmental protection and energy saving effect, thereby make waste and old lithium ion battery reach cycling and reutilization.
The present invention adopts following technical scheme to achieve these goals:
A kind of waste and old lithium ion battery restorative procedure is characterized in that: with after waste and old lithium ion battery discharge, punching, shaping, vacuumize, injection electrolyte, then with the hole sealing to the waste and old lithium ion battery activation of charging, get final product at last.
Described a kind of waste and old lithium ion battery restorative procedure, it is characterized in that: described discharge refers to cell voltage is put to 2.0-3.0V.
Described a kind of waste and old lithium ion battery restorative procedure is characterized in that: described punching refers to beat liquid injection hole with after the waste and old lithium ion battery discharge in being full of the glove box of inert gas.
Described a kind of waste and old lithium ion battery restorative procedure is characterized in that: described vacuumize refers to that the waste and old lithium ion battery that will beat after liquid injection hole vacuumizes dry 1-30 minute.
Described a kind of waste and old lithium ion battery restorative procedure is characterized in that: described injection electrolyte refers to and is being full of the glove box of inert gas, injects the electrolyte in the waste and old lithium ion battery that vacuumizes by using height above sea level pump or centrifuge.
Described a kind of waste and old lithium ion battery restorative procedure is characterized in that: described electrolyte is comprised of solvent, lithium salts electrolyte and additive.
Described a kind of waste and old lithium ion battery restorative procedure, it is characterized in that: described additive refers to vinylene carbonate, propylene sulfite, butyl sultone, ethylene sulfite, one or more in vinylethylene carbonate, and the volumn concentration of described additive in electrolyte is 0.5-5%.
Described a kind of waste and old lithium ion battery restorative procedure is characterized in that: described lithium salts electrolyte is LiPF
6, and the molar concentration of described lithium salts electrolyte in electrolyte is 0.5-1.2mol/l.
Described a kind of waste and old lithium ion battery restorative procedure is characterized in that: the negative material of described waste and old lithium ion battery is graphite.
Described a kind of waste and old lithium ion battery restorative procedure, it is characterized in that, described charging Activiation method is: with 0.01-0.05C charging current for charging 30-120 minute, then with the 0.1-0.5C constant-current constant-voltage charging, cut-ff voltage is 3.60-3.75V, and cut-off current is 0.01-0.05C.
Principle of the present invention is: the present invention a kind ofly makes waste and old lithium ion battery battery performance reach the method for reparation through refilling electrolyte.
Beneficial effect of the present invention: it is not enough that emphasis of the present invention solves waste and old lithium ionic cell electrolyte, and the pole piece passivating film is destroyed because of circulation and temperature, and capacity is low, the problem that cycle performance is poor.Cost of the present invention is low, and repair process is easily realized, can also reach the effect of environmental protection and energy saving.
Description of drawings
Fig. 1 is charging and discharging curve before and after waste and old lithium ion battery is repaired;
Fig. 2 is 1C cyclic curve before and after waste and old lithium ion battery is repaired;
Embodiment,
Getting 100 models is IFP1865140, and nominal capacity is the waste and old lithium ion battery (flatulence battery) of 10AH, first carries out volume test C1.Carry out recovery of performance with method of the present invention:
After waste and old lithium ion battery is discharged to 2.0V.
Beat liquid injection hole on the waste and old lithium ion battery top cover in being full of the glove box of argon gas.
Battery was carried out after the physics shaping in vacuum oven vacuumize 30 minutes.
By the height above sea level pump, waste and old lithium ion battery is injected the electrolyte of the 1M/L LiPF6 of inferior vinyl carbonate (VC) volume content 2%
With liquid injection hole sealing on the waste and old lithium ion battery top cover
Waste and old lithium ion battery is carried out with 0.02C charging current for charging 100 minutes, then with the electric current constant-current constant-voltage charging of 0.2C to 3.65V, the constant voltage cut-off current is 0.02-0.05C.
Waste and old lithium ion battery after recovery of performance is carried out volume test C2 and cycle life test.
Volume test before and after repairing by contrast is C1 and C2 as a result, a kind of waste and old lithium ion battery recovery of performance method of the present invention, and the waste and old lithium ion battery capacity can promote 20-30%.
By the cyclic lifetime test results, a kind of waste and old lithium ion battery recovery of performance method of the present invention, 800 capacity of waste and old lithium ion battery circulation are about 7500mAh.
Claims (10)
1. waste and old lithium ion battery restorative procedure is characterized in that: after the waste and old lithium ion battery discharge, punching, shaping, vacuumize, injection electrolyte, then with the hole sealing to the waste and old lithium ion battery activation of charging, get final product at last.
2. a kind of waste and old lithium ion battery restorative procedure according to claim 1, it is characterized in that: described discharge refers to cell voltage is put to 2.0-3.0V.
3. a kind of waste and old lithium ion battery restorative procedure according to claim 1, it is characterized in that: described punching refers to beat liquid injection hole with after the waste and old lithium ion battery discharge in being full of the glove box of inert gas.
4. a kind of waste and old lithium ion battery restorative procedure according to claim 1 is characterized in that: described vacuumize refers to that the waste and old lithium ion battery that will beat after liquid injection hole vacuumizes dry 1-30 minute.
5. a kind of waste and old lithium ion battery restorative procedure according to claim 1, it is characterized in that: described injection electrolyte refers to and is being full of the glove box of inert gas, injects the electrolyte in the waste and old lithium ion battery that vacuumizes by using height above sea level pump or centrifuge.
6. a kind of waste and old lithium ion battery restorative procedure according to claim 1, it is characterized in that: described electrolyte is comprised of solvent, lithium salts electrolyte and additive.
7. a kind of waste and old lithium ion battery restorative procedure according to claim 6, it is characterized in that: described additive refers to vinylene carbonate, propylene sulfite, butyl sultone, ethylene sulfite, one or more in vinylethylene carbonate, and the volumn concentration of described additive in electrolyte is 0.5-5%.
8. a kind of waste and old lithium ion battery restorative procedure according to claim 6, it is characterized in that: described lithium salts electrolyte is LiPF
6, and the molar concentration of described lithium salts electrolyte in electrolyte is 0.5-1.2mol/l.
9. a kind of waste and old lithium ion battery restorative procedure according to claim 1, it is characterized in that: the negative material of described waste and old lithium ion battery is graphite.
10. a kind of waste and old lithium ion battery restorative procedure according to claim 1, it is characterized in that, described charging Activiation method was: with 0.01-0.05C charging current for charging 30-120 minute, then with the electric current constant-current constant-voltage charging of 0.1-0.5C, cut-ff voltage is 3.60-3.75V, and the constant voltage cut-off current is 0.01-0.05C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013100303940A CN103117419A (en) | 2013-01-25 | 2013-01-25 | Waste lithium ion battery repair method |
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| CN2013100303940A CN103117419A (en) | 2013-01-25 | 2013-01-25 | Waste lithium ion battery repair method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576310A (en) * | 2016-03-07 | 2016-05-11 | 合肥国轩高科动力能源有限公司 | Charging method for repairing power lithium-ion battery |
| CN106058358A (en) * | 2016-08-17 | 2016-10-26 | 合肥国轩高科动力能源有限公司 | Discharge method of improving discharge degree of waste lithium ion battery |
| CN106450543A (en) * | 2016-09-29 | 2017-02-22 | 梅州市量能新能源科技有限公司 | Recycling method of power lithium-ion batteries |
| CN107706447A (en) * | 2017-06-29 | 2018-02-16 | 青岛恒金源电子科技有限公司 | A kind of Activiation method of lithium ion battery |
| CN109103524A (en) * | 2018-09-29 | 2018-12-28 | 溧阳中科海钠科技有限责任公司 | A kind of restorative procedure of waste and old sodium-ion battery |
| CN110931903A (en) * | 2019-11-14 | 2020-03-27 | 深圳市普兰德储能技术有限公司 | Method for repairing waste power battery module |
| CN111257780A (en) * | 2020-03-12 | 2020-06-09 | 王国平 | Storage battery health degree evaluation method and device and storage medium |
| CN111463484A (en) * | 2020-03-04 | 2020-07-28 | 国网湖北省电力有限公司孝感供电公司 | Recycling activated electrolyte for storage battery and manufacturing method thereof |
| CN112701370A (en) * | 2021-01-14 | 2021-04-23 | 湖南机动车检测技术有限公司 | Method for activating capacity of lithium iron phosphate gradient battery |
| WO2021093128A1 (en) * | 2019-11-14 | 2021-05-20 | 深圳市普兰德储能技术有限公司 | Liquid injection device and liquid injection method |
| CN113086961A (en) * | 2021-03-29 | 2021-07-09 | 南京工业大学 | Waste lithium iron phosphate repairing and recycling method based on electrochemistry |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154747A (en) * | 2006-09-27 | 2008-04-02 | 比亚迪股份有限公司 | Formation method for lithium ion secondary battery |
| CN101330158A (en) * | 2007-06-22 | 2008-12-24 | 比亚迪股份有限公司 | Method for forming lithium ion secondary battery |
| CN101950819A (en) * | 2010-09-13 | 2011-01-19 | 长春劲能锂电池科技有限公司 | Method for restoring capacity of lithium ion power battery |
-
2013
- 2013-01-25 CN CN2013100303940A patent/CN103117419A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154747A (en) * | 2006-09-27 | 2008-04-02 | 比亚迪股份有限公司 | Formation method for lithium ion secondary battery |
| CN101330158A (en) * | 2007-06-22 | 2008-12-24 | 比亚迪股份有限公司 | Method for forming lithium ion secondary battery |
| CN101950819A (en) * | 2010-09-13 | 2011-01-19 | 长春劲能锂电池科技有限公司 | Method for restoring capacity of lithium ion power battery |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576310A (en) * | 2016-03-07 | 2016-05-11 | 合肥国轩高科动力能源有限公司 | Charging method for repairing power lithium-ion battery |
| CN106058358A (en) * | 2016-08-17 | 2016-10-26 | 合肥国轩高科动力能源有限公司 | Discharge method of improving discharge degree of waste lithium ion battery |
| CN106450543A (en) * | 2016-09-29 | 2017-02-22 | 梅州市量能新能源科技有限公司 | Recycling method of power lithium-ion batteries |
| CN107706447A (en) * | 2017-06-29 | 2018-02-16 | 青岛恒金源电子科技有限公司 | A kind of Activiation method of lithium ion battery |
| CN109103524A (en) * | 2018-09-29 | 2018-12-28 | 溧阳中科海钠科技有限责任公司 | A kind of restorative procedure of waste and old sodium-ion battery |
| CN110931903A (en) * | 2019-11-14 | 2020-03-27 | 深圳市普兰德储能技术有限公司 | Method for repairing waste power battery module |
| WO2021093128A1 (en) * | 2019-11-14 | 2021-05-20 | 深圳市普兰德储能技术有限公司 | Liquid injection device and liquid injection method |
| CN111463484A (en) * | 2020-03-04 | 2020-07-28 | 国网湖北省电力有限公司孝感供电公司 | Recycling activated electrolyte for storage battery and manufacturing method thereof |
| CN111257780A (en) * | 2020-03-12 | 2020-06-09 | 王国平 | Storage battery health degree evaluation method and device and storage medium |
| CN112701370A (en) * | 2021-01-14 | 2021-04-23 | 湖南机动车检测技术有限公司 | Method for activating capacity of lithium iron phosphate gradient battery |
| CN113086961A (en) * | 2021-03-29 | 2021-07-09 | 南京工业大学 | Waste lithium iron phosphate repairing and recycling method based on electrochemistry |
| CN113086961B (en) * | 2021-03-29 | 2023-04-28 | 南京工业大学 | Electrochemical-based waste lithium iron phosphate repairing and recycling method |
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Address after: 230011, No. 7 D Road, Yaohai Industrial Park, Hefei, Anhui, China Applicant after: Hefei Guoxuan High-Tech Power Energy Co., Ltd. Address before: 230011, No. 7 D Road, Yaohai Industrial Park, Hefei, Anhui, China Applicant before: Hefei Guoxuan High-Tech Power Energy Co., Ltd. |
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Application publication date: 20130522 |