CN107039681B - A kind of old dynamic lithium battery improves the charging method of internal resistance consistency - Google Patents

A kind of old dynamic lithium battery improves the charging method of internal resistance consistency Download PDF

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Publication number
CN107039681B
CN107039681B CN201610694541.8A CN201610694541A CN107039681B CN 107039681 B CN107039681 B CN 107039681B CN 201610694541 A CN201610694541 A CN 201610694541A CN 107039681 B CN107039681 B CN 107039681B
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charging
until
lithium battery
battery
internal resistance
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CN107039681A (en
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杜文龙
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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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/448—End of discharge regulating measures
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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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)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The present invention relates to the charging methods that a kind of old dynamic lithium battery improves internal resistance consistency, the electricity of old dynamic lithium battery monomer is all given out light, in the state that constant current is 3.0A~6.0A, first time charging is carried out to above-mentioned battery, until the blanking voltage of the first charging is 3.5V~4.0V, it is then allowed to stand 30min；In the state that constant current is 3.0A~6.5A, second is carried out to above-mentioned battery and is charged, until the blanking voltage of the second charging is 3.9V~4.2V, is then allowed to stand 30min；In the state that constant current is 0.1A~0.5A, third time charging is carried out to above-mentioned battery, until the blanking voltage of third charging is 4.1V~4.5V, present invention process is simple, substantially reduces the charging time, under conditions of not influencing the performance of partial volume battery, the internal resistance consistency for having restored battery improves the market competitiveness that battery echelon utilizes.

Description

A kind of old dynamic lithium battery improves the charging method of internal resistance consistency
Technical field
The invention belongs to old dynamic lithium battery echelons to utilize field, improve internal resistance more particularly to a kind of old dynamic lithium battery The charging method of consistency.
Background technique
The different types of internal resistance of cell is different.The battery of same type, due to inconsistent, the internal resistance of internal chemical characteristic It is different.Old dynamic lithium battery internal electricity or many in fact, only internal resistance is excessive, consistency is poor cannot sufficiently release electricity Come.Internal resistance consistency is improved for old lithium pond at present, few effective methods lead to old dynamic lithium battery utilization rate very It is low.
Summary of the invention
Present invention purpose is the problem of cannot reducing the internal resistance of cell in the prior art of solution, and provides one kind Old dynamic lithium battery improves the charging method of internal resistance consistency.
In order to realize that present invention purpose, the application use following technical scheme:
Old dynamic lithium battery of the invention improves the charging method of internal resistance consistency, in which: executes according to the following steps:
(1) chemical conversion treatment is carried out to lithium battery:
(a) electricity of old dynamic lithium battery monomer is all given out light, until not putting not Chu Lai；
(b) it in the state that continuous current state is 0.1A~0.5A, charges to above-mentioned battery, until voltage reaches 4.2V or more, and capacity stablize be not further added by until, then the electricity of above-mentioned battery is all given out light again, until not putting not come out Until；
(2) partial volume is carried out to lithium battery with grading system:
(c) in the state that constant current is 3.0A~6.0A, first time charging is carried out to above-mentioned battery, until first fills Until the blanking voltage of electricity is 3.5V~4.0V, it is then allowed to stand 30min；
(d) in the state that constant current is 3.0A~6.5A, second is carried out to above-mentioned battery and is charged, until second fills Until the blanking voltage of electricity is 3.9V~4.2V, it is then allowed to stand 30min；
(e) in the state that constant current is 0.1A~0.5A, third time charging is carried out to above-mentioned battery, until third is filled Until the blanking voltage of electricity is 4.1V~4.5V.
Old dynamic lithium battery of the invention improves the charging method of internal resistance consistency, in which: the charging of first charging Electric current is 4.5A；
Old dynamic lithium battery of the invention reduces the partial volume method of internal resistance, in which: the charging current of second charging is 5.5A。
Old dynamic lithium battery of the invention improves the charging method of internal resistance consistency, in which: the cut-off of first charging The blanking voltage of voltage, the blanking voltage of the second charging and third charging is stepped up.
Old dynamic lithium battery of the invention improves the charging method of internal resistance consistency, in which: the step (a) and step (b) electricity of old dynamic lithium battery monomer is all given out light and refers to that discharge current is less than 0.1A.
The beneficial effects of the present invention are: present invention process is simple, the partial volume time is shortened, while not influencing partial volume battery Performance reduces the internal resistance of old dynamic lithium battery, improves old dynamic lithium battery consistency, to improve old dynamic lithium battery Utilization rate and the market competitiveness.
Specific embodiment
Below with reference to embodiment, the invention will be further described:
Old dynamic lithium battery of the invention improves the charging method of internal resistance consistency, executes according to the following steps:
(1) chemical conversion treatment is carried out to lithium battery:
(a) electricity of old dynamic lithium battery monomer is all given out light, until not putting not Chu Lai；
(b) it in the state that continuous current state is 0.1A~0.5A, charges to above-mentioned battery, until voltage reaches 4.2V or more, and capacity stablize be not further added by until, then the electricity of above-mentioned battery is all given out light again, until not putting not come out Until；Electricity, which is all given out light, refers to that discharge current is less than 0.1A.
(2) partial volume is carried out to lithium battery with grading system:
(c) in the state that constant current is 3.0A~6.0A, such as electric current is 4.5A, is carried out for the first time to above-mentioned battery Charging, until the blanking voltage of the first charging is 3.5V~4.0V, such as blanking voltage is 3.6A, is then allowed to stand 30min；
(d) in the state that constant current is 3.0A~6.5A, such as electric current is 5.5A, is carried out second to above-mentioned battery Charging, until the blanking voltage of the second charging is 3.9V~4.2V, such as blanking voltage is 4.0A, is then allowed to stand 30min；
(e) in the state that constant current is 0.1A~0.5A, such as electric current is 0.4A, carries out third time to above-mentioned battery Charging, until the blanking voltage of third charging is 4.1V~4.5V, such as blanking voltage is 4.3A.
Detection.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be within the scope of protection determined by the claims.

Claims (3)

1. the charging method that a kind of old dynamic lithium battery improves internal resistance consistency, it is characterised in that: execute according to the following steps:
(1) chemical conversion treatment is carried out to lithium battery:
(a) electricity of old dynamic lithium battery monomer is all given out light, until not putting not Chu Lai；Electricity, which is all given out light, refers to electric discharge Electric current is less than 0.1A；
(b) it in the state that continuous current state is 0.1A~0.5A, charges to above-mentioned battery, until voltage reaches 4.2V More than, and capacity stablize be not further added by until, then the electricity of above-mentioned battery is all given out light again, is until not putting not Chu Lai Only；Electricity, which is all given out light, refers to that discharge current is less than 0.1A；
(2) partial volume is carried out to lithium battery with grading system:
(c) in the state that constant current is 3.0A~6.0A, first time charging is carried out to above-mentioned battery, until the first charging Until blanking voltage is 3.5V~4.0V, it is then allowed to stand 30min；
(d) in the state that constant current is 3.0A~6.5A, second is carried out to above-mentioned battery and is charged, until the second charging Until blanking voltage is 3.9V~4.2V, it is then allowed to stand 30min；
(e) in the state that constant current is 0.1A~0.5A, third time charging is carried out to above-mentioned battery, until third charging Until blanking voltage is 4.1V~4.5V；
The blanking voltage of the blanking voltage of first charging, the blanking voltage of the second charging and third charging is stepped up.
2. old dynamic lithium battery as described in claim 1 improves the charging method of internal resistance consistency, it is characterized in that: described first The charging current of charging is 4.5A.
3. old dynamic lithium battery as described in claim 1 improves the charging method of internal resistance consistency, it is characterized in that: described second The charging current of charging is 5.5A.
CN201610694541.8A 2016-08-22 2016-08-22 A kind of old dynamic lithium battery improves the charging method of internal resistance consistency Active CN107039681B (en)

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Publication number Priority date Publication date Assignee Title
CN109509927B (en) * 2019-01-07 2021-01-19 东莞赣锋电子有限公司 Charging mode of lithium ion battery

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102403536A (en) * 2011-11-30 2012-04-04 南京双登科技发展研究院有限公司 Formation method for cylindrical lithium battery
CN102891341A (en) * 2011-07-21 2013-01-23 湖北骆驼特种电源有限公司 Lithium iron phosphate battery formation and aging method
CN104409778A (en) * 2014-11-17 2015-03-11 东莞市久森新能源有限公司 Capacity grading method for specially-shaped lithium ion batteries
CN104577202A (en) * 2013-10-17 2015-04-29 奇瑞汽车股份有限公司 Formation method and preparation method of high-voltage lithium ion battery as well as battery

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
JPH02193534A (en) * 1988-10-13 1990-07-31 Sanyo Electric Co Ltd Charging and discharging control mechanism
WO1999050925A1 (en) * 1998-03-27 1999-10-07 Bluestar Advanced Technology Corp. Method of recharging a secondary electrochemical cell
JP3815914B2 (en) * 1999-02-26 2006-08-30 松下電器産業株式会社 Capacity estimation method for lead acid battery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102891341A (en) * 2011-07-21 2013-01-23 湖北骆驼特种电源有限公司 Lithium iron phosphate battery formation and aging method
CN102403536A (en) * 2011-11-30 2012-04-04 南京双登科技发展研究院有限公司 Formation method for cylindrical lithium battery
CN104577202A (en) * 2013-10-17 2015-04-29 奇瑞汽车股份有限公司 Formation method and preparation method of high-voltage lithium ion battery as well as battery
CN104409778A (en) * 2014-11-17 2015-03-11 东莞市久森新能源有限公司 Capacity grading method for specially-shaped lithium ion batteries

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