CN114335763B - Repairing method of waste lithium ion battery - Google Patents
Repairing method of waste lithium ion battery Download PDFInfo
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- CN114335763B CN114335763B CN202111493047.2A CN202111493047A CN114335763B CN 114335763 B CN114335763 B CN 114335763B CN 202111493047 A CN202111493047 A CN 202111493047A CN 114335763 B CN114335763 B CN 114335763B
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- battery
- lithium ion
- ion battery
- voltage
- power supply
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Abstract
The invention discloses a repairing method of a waste lithium ion battery, which comprises the steps of firstly, treating the oxidation of the metal surface of the lithium ion battery, and erasing rusty substances by using a eraser or other cleaning tools to ensure that the contact is good; then, deeply discharging the lithium battery until the MOSFET on the internal protection plate is in a cut-off state; the over-discharge protection of the lithium battery is carried out, the protection board of the battery is disassembled, the voltage of the stabilized power supply is regulated to 3V, the lithium battery is charged through the stabilized power supply and the current limiting resistor, and when the voltage of the lithium battery is 2.9-3.1V, the voltage of the stabilized power supply is regulated to 3.4-3.6V for continuous charging; and (5) connecting the protective plate again, and charging by using an external charger. The invention belongs to the technical field of lithium battery repair, and particularly relates to a method for repairing a waste lithium ion battery.
Description
Technical Field
The invention belongs to the technical field of lithium battery repair, and particularly relates to a method for repairing a waste lithium ion battery.
Background
The lithium ion battery is the most important energy storage device in the development of energy devices such as electric automobiles, power tools, street lamps and the like due to the advantages of high energy density, long cycle life, environmental protection and the like.
On the one hand, lithium ion batteries used for mobile phones and the like are popular, and the waste lithium ion batteries are about to cause environmental protection. The residual capacity of the waste lithium ion battery is lower than the rated capacity of the waste lithium ion battery, but the residual energy of the waste lithium ion battery is still higher than that of a lead-acid battery after performance recovery, the cycle performance of the waste lithium ion battery is also superior to that of the lead-acid battery, and the waste lithium ion battery is used after the repair, so that the environmental burden is reduced, and the social investment and resources are saved.
On the other hand, development of power batteries for electric vehicles is rapid, and it is expected that the power batteries will enter a large number of recovery stages in the next several years, so that recovery, disposal, reuse, and the like of the batteries need to be considered. The pressure of a large number of power batteries entering the recovery stage can be relieved through the repair and the reuse of the waste lithium ion batteries, so that the benefit of enterprises is improved. More importantly, the use cost of the electric automobile consumers can be effectively shared to a certain extent.
Disclosure of Invention
In order to solve the problems, the invention provides a method for repairing the waste lithium ion battery.
The technical scheme adopted by the invention is as follows: a method for repairing waste lithium ion batteries comprises the following steps:
(1) Firstly, oxidizing the metal surface of a lithium ion battery, and wiping rust matters by using a eraser or other cleaning tools to ensure that the contact is good;
(2) Then, deeply discharging the lithium battery until the MOSFET on the internal protection plate is in a cut-off state;
(3) The over-discharge protection of the lithium battery is carried out, the protection board of the battery is disassembled, the voltage of the regulated power supply can be regulated to 3V, the lithium battery is charged through the regulated power supply and the current limiting resistor, and when the voltage of the lithium battery is close to 3V, the voltage of the regulated power supply is regulated to about 3.5V, and the lithium battery is continuously charged;
(4) And (5) connecting the protective plate again, and charging by using an external charger.
In the step (2), when the lithium battery is deeply discharged, the waste lithium ion battery is discharged to 2.5-3.0V.
The invention adopts the structure to obtain the beneficial effects as follows: the method for repairing the waste lithium ion battery is low in cost, easy to realize in the repairing process and capable of achieving the effects of environmental protection and energy saving.
Detailed Description
The technical scheme of the present invention is further described in detail below with reference to specific implementation, and all parts of the technical features or connection relationships described in the present invention, which are not described in detail, are prior art.
The present invention will be described in further detail with reference to examples.
Example 1
The technical scheme adopted by the invention is as follows: a method for repairing waste lithium ion batteries comprises the following steps:
(1) Firstly, oxidizing the metal surface of a lithium ion battery, and wiping rust matters by using a eraser or other cleaning tools to ensure that the contact is good;
(2) Then, deeply discharging the lithium battery until the MOSFET on the internal protection plate is in a cut-off state;
(3) The over-discharge protection of the lithium battery is carried out, the protection board of the battery is disassembled, the voltage of the regulated power supply can be regulated to 3V, the lithium battery is charged through the regulated power supply and the current limiting resistor, and when the voltage of the lithium battery is close to 3V, the voltage of the regulated power supply is regulated to about 3.5V, and the lithium battery is continuously charged;
(4) And (5) connecting the protective plate again, and charging by using an external charger.
In the step (2), when the lithium battery is deeply discharged, the waste lithium ion battery is discharged to 2.5-3.0V.
The invention and its embodiments have been described above without limitation. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present invention.
Claims (2)
1. The method for repairing the waste lithium ion battery is characterized by comprising the following steps of:
(1) Firstly, oxidizing the metal surface of a lithium ion battery, and wiping rust matters by using a eraser or other cleaning tools to ensure that the contact is good;
(2) Then, deeply discharging the lithium battery until the MOSFET on the internal protection plate is in a cut-off state;
(3) The over-discharge protection of the lithium battery is carried out, the protection board of the battery is disassembled, the voltage of the stabilized power supply is regulated to 3V, the lithium battery is charged through the stabilized power supply and the current limiting resistor, and when the voltage of the lithium battery is 2.9-3.1V, the voltage of the stabilized power supply is regulated to 3.4-3.6V for continuous charging;
(4) And (5) connecting the protective plate again, and charging by using an external charger.
2. The method for repairing a waste lithium ion battery according to claim 1, wherein in the step (2), the waste lithium ion battery is discharged to 2.5-3.0V when the lithium battery is deeply discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493047.2A CN114335763B (en) | 2021-12-08 | 2021-12-08 | Repairing method of waste lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493047.2A CN114335763B (en) | 2021-12-08 | 2021-12-08 | Repairing method of waste lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114335763A CN114335763A (en) | 2022-04-12 |
| CN114335763B true CN114335763B (en) | 2023-05-09 |
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| CN202111493047.2A Active CN114335763B (en) | 2021-12-08 | 2021-12-08 | Repairing method of waste lithium ion battery |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002010509A (en) * | 2000-06-22 | 2002-01-11 | Fujitsu Ltd | Charge and discharge control circuit and secondary battery device |
| CN202474986U (en) * | 2012-02-28 | 2012-10-03 | 深圳麦格米特电气股份有限公司 | Charge circuit for lithium-ion battery pack |
| CN103401037A (en) * | 2013-08-09 | 2013-11-20 | 深圳威迈斯电源有限公司 | Charging method for traction storage battery |
| CN204857888U (en) * | 2015-07-30 | 2015-12-09 | 河北工业大学 | Lithium ion battery organizes prosthetic devices |
| CN208923876U (en) * | 2018-11-14 | 2019-05-31 | 深圳市恒创兴电子科技有限公司 | A kind of lithium battery protection board for preventing charged state from discharging |
| CN110021793A (en) * | 2018-01-09 | 2019-07-16 | 深圳市普兰德储能技术有限公司 | A method of repairing retired performance of lithium ion battery |
| CN210052820U (en) * | 2019-07-25 | 2020-02-11 | 西安航空学院 | Battery state remote monitoring device for electric automobile |
| CN210839031U (en) * | 2019-12-28 | 2020-06-23 | 东莞市兴开泰电子科技有限公司 | Lithium battery protection circuit and protection board |
| CN211125905U (en) * | 2019-07-31 | 2020-07-28 | 浙江磊铭新能源科技有限公司 | Lithium battery module energy recovery charging system |
| CN112918325A (en) * | 2021-03-25 | 2021-06-08 | 苏州联胜新能源科技有限公司 | Method for realizing kinetic energy recovery completely depending on lithium battery |
-
2021
- 2021-12-08 CN CN202111493047.2A patent/CN114335763B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002010509A (en) * | 2000-06-22 | 2002-01-11 | Fujitsu Ltd | Charge and discharge control circuit and secondary battery device |
| CN202474986U (en) * | 2012-02-28 | 2012-10-03 | 深圳麦格米特电气股份有限公司 | Charge circuit for lithium-ion battery pack |
| CN103401037A (en) * | 2013-08-09 | 2013-11-20 | 深圳威迈斯电源有限公司 | Charging method for traction storage battery |
| CN204857888U (en) * | 2015-07-30 | 2015-12-09 | 河北工业大学 | Lithium ion battery organizes prosthetic devices |
| CN110021793A (en) * | 2018-01-09 | 2019-07-16 | 深圳市普兰德储能技术有限公司 | A method of repairing retired performance of lithium ion battery |
| CN208923876U (en) * | 2018-11-14 | 2019-05-31 | 深圳市恒创兴电子科技有限公司 | A kind of lithium battery protection board for preventing charged state from discharging |
| CN210052820U (en) * | 2019-07-25 | 2020-02-11 | 西安航空学院 | Battery state remote monitoring device for electric automobile |
| CN211125905U (en) * | 2019-07-31 | 2020-07-28 | 浙江磊铭新能源科技有限公司 | Lithium battery module energy recovery charging system |
| CN210839031U (en) * | 2019-12-28 | 2020-06-23 | 东莞市兴开泰电子科技有限公司 | Lithium battery protection circuit and protection board |
| CN112918325A (en) * | 2021-03-25 | 2021-06-08 | 苏州联胜新能源科技有限公司 | Method for realizing kinetic energy recovery completely depending on lithium battery |
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| CN114335763A (en) | 2022-04-12 |
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