CN106785147A - A kind of lithium ion battery rapid forming method - Google Patents
A kind of lithium ion battery rapid forming method Download PDFInfo
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- CN106785147A CN106785147A CN201710083126.3A CN201710083126A CN106785147A CN 106785147 A CN106785147 A CN 106785147A CN 201710083126 A CN201710083126 A CN 201710083126A CN 106785147 A CN106785147 A CN 106785147A
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- Prior art keywords
- battery
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- chemical conversion
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
Abstract
The invention discloses a kind of lithium ion battery rapid forming method, comprise the following steps：Battery after fluid injection is placed in high temperature storehouse, the temperature in high temperature storehouse is 30 50 DEG C, and standing time is 6 18 hours；Battery is taken out, battery is placed on carries out first open formation in formation device, forming current is 0.05 0.1C, the chemical conversion time is 0 80min；Then battery is carried out into secondary open formation, forming current is 0.05 0.15C, and the chemical conversion time is 0 90min；Battery is carried out into three open formations, forming current is 0.1 0.3C, and the chemical conversion time is 0 30min；By three open formations, Battery formation operation is completed, then carry out sealing storage.Quiescence in high temperature is used after battery liquid-filling of the present invention, increases the speed that electrolyte infiltrates pole piece, improve pole piece effect of impregnation, short time low current charge method is used simultaneously, shortens the Battery formation time, reduce the influence of moisture battery performance, battery performance is ensured, battery production efficiency is improved.
Description
Technical field
The present invention relates to a kind of battery formation method, and in particular to a kind of lithium ion battery rapid forming method.
Background technology
It is well known that lithium ion battery is used as a kind of environmental protection battery, with energy density it is high, have extended cycle life, body
The advantages of product energy ratio is high.Lithium ion battery has obtained rapid development in recent years, and is widely used in mobile phone, notebook electricity
The mobile devices such as brain, portable power source, electric bicycle, electric automobile.The lifting and expansion in lithium ion battery applications field, to lithium
Technological requirement prepared by ion battery is also improved constantly, and the cycle for reducing lithium ion battery manufacture has turned into each battery production business's
Pursue a goal, therefore formation process is because of its particularity, it has also become the committed step of restriction lithium ion battery improving productivity.
Chemical conversion is the important procedure in lithium ion battery production process, and the quality of Battery formation directly influences the appearance of battery
Amount, internal resistance, cycle life and storage performance.For example, battery can generate SEI in chemical conversion in battery surface（Solid
Electrolyte Interface）Film, while also have the generation of various side reactions, the thickness of SEI films generation, quality and
The number of side reaction can all be impacted to the cycle life of battery, stability and security.And the generation of side reaction can be produced
A certain amount of gas, therefore open state must be kept during Battery formation, to exclude the gas that chemical conversion is produced in time, to keep electricity
Pond pattern is normal.
Because the existing chemical synthesis technology time is more long, within this period of open formation, the moisture in ambiance is easily
Into in battery, and moisture has large effect to battery, therefore reduces the Battery formation time, and optimization Battery formation technique is
As the most important thing.
The content of the invention
The purpose of the present invention is to solve the shortcomings of the prior art, now providing one kind can effectively reduce lithium ion battery
Into the time, influence of the moisture to battery performance is reduced, shorten battery manufacturing process time, improve the lithium ion battery of battery production efficiency
Rapid forming method.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of lithium ion battery rapid forming method,
Its innovative point is：Comprise the following steps：
（1）Battery after fluid injection is placed in high temperature storehouse, the temperature in the high temperature storehouse is 30-50 DEG C, the standing time is
6-18 hours；
（2）Battery is taken out, battery is placed on carries out first open formation in formation device, the forming current is 0.05-
0.1C, the chemical conversion time is 0-80min；
（3）Then battery is carried out into secondary open formation, the forming current is 0.05-0.15C, and the chemical conversion time is 0-
90min；
（4）Battery is carried out into three open formations, the forming current is 0.1-0.3C, and the chemical conversion time is 0-30min；
（5）By three open formations, Battery formation operation is completed, then carry out sealing storage.
Further, the step（1）In high temperature storehouse temperature be 30-50 DEG C, standing time is 6-8h.
Further, the step（2）In the electric current of first open formation be 0.05-0.08C, the time is 20-30min.
Further, the step（3）In secondary open formation electric current 0.05-0.15C, the time is 50-60min.
Further, the step（3）In three electric current 0.15-0.3C of open formation, the time is 15-30min.
Beneficial effects of the present invention are as follows：Quiescence in high temperature is used after battery liquid-filling of the present invention, increases electrolyte infiltration pole piece
Speed, improve pole piece effect of impregnation, while using short time low current charge method, shortening the Battery formation time, reduce water
Divide the influence of battery performance, ensure battery performance, improve battery production efficiency.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages of the invention and effect easily.
A kind of lithium ion battery rapid forming method, comprises the following steps：
（1）Battery after fluid injection is placed in high temperature storehouse, the temperature in high temperature storehouse is 30-50 DEG C, and standing time is 6-18 hours；
（2）Battery is taken out, battery is placed on carries out first open formation in formation device, forming current is 0.05-0.1C, changed
It is 0-80min into the time；
（3）Then battery is carried out into secondary open formation, forming current is 0.05-0.15C, the chemical conversion time is 0-90min；
（4）Battery is carried out into three open formations, forming current is 0.1-0.3C, the chemical conversion time is 0-30min；
（5）By three open formations, Battery formation operation is completed, then carry out sealing storage.
Feasible, step（1）In high temperature storehouse temperature be 30-50 DEG C, standing time is 6-8h.
Feasible, step（2）In the electric current of first open formation be 0.05-0.08C, the time is 20-30min.
Feasible, step（3）In secondary open formation electric current 0.05-0.15C, the time is 50-60min.
Feasible, step（3）In three electric current 0.15-0.3C of open formation, the time is 15-30min.
Embodiment 1
1）After battery liquid-filling, shelved in 30 DEG C of high temperature storehouses 6 hours；2）Battery is placed on carries out open formation on formation device,
Forming current is 0.05C, and the chemical conversion time is 30min；3）Battery open formation, forming current is 0.1C, and the chemical conversion time is
60min;4) battery open formation, forming current is 0.15C, and the chemical conversion time is 30min；5）Battery formation terminates, sealing storage.
Embodiment 2
1）After battery liquid-filling, shelved in 40 DEG C of high temperature storehouses 8 hours；2）Battery is placed on carries out open formation on formation device,
Forming current is 0.08C, and the chemical conversion time is 20min；3）Battery open formation, forming current is 0.1C, and the chemical conversion time is
50min;4) battery open formation, forming current is 0.2C, and the chemical conversion time is 25min；5）Battery formation terminates, sealing storage.
Embodiment 3
1）After battery liquid-filling, shelved in 50 DEG C of high temperature storehouses 8 hours；2）Battery is placed on carries out open formation on formation device,
Forming current is 0.05C, and the chemical conversion time is 30min；3）Battery open formation, forming current is 0.1C, and the chemical conversion time is
60min;4) battery open formation, forming current is 0.2C, and the chemical conversion time is 15min；5）Battery formation terminates, sealing storage.
The battery being melted into using above-described embodiment and common chemical conversion technology into the battery capacity of battery, internal resistance and follow
Ring performance is contrasted, and concrete outcome is as shown in the table：
The battery that above-mentioned specific embodiment was melted into it is common chemical conversion technology into battery carry out subsequent electrochemical performance
Test, as seen from the above table, contrast finds that battery performance prepared by two methods is similar, significant difference is had no, so soon
Fast chemical synthesizing method is effectively.
Quiescence in high temperature is used after battery liquid-filling of the present invention, increases the speed that electrolyte infiltrates pole piece, improve pole piece infiltration effect
Really, while using short time low current charge method, shortening the Battery formation time, the influence of moisture battery performance is reduced, is ensured
Battery performance, improves battery production efficiency.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention, as long as
Without the technical scheme that creative work can be realized on the basis of above-described embodiment, it is regarded as falling into patent of the present invention
Rights protection scope in.
Claims (5)
1. a kind of lithium ion battery rapid forming method, it is characterised in that：Comprise the following steps：
Battery after fluid injection is placed in high temperature storehouse, the temperature in the high temperature storehouse is 30-50 DEG C, and the standing time is 6-18
Hour；
Battery is taken out, battery is placed on carries out first open formation in formation device, the forming current is 0.05-0.1C,
The chemical conversion time is 0-80min；
Then battery is carried out into secondary open formation, the forming current is 0.05-0.15C, and the chemical conversion time is 0-
90min；
Battery is carried out into three open formations, the forming current is 0.1-0.3C, and the chemical conversion time is 0-30min；
By three open formations, Battery formation operation is completed, then carry out sealing storage.
2. a kind of lithium ion battery rapid forming method according to claim 1, it is characterised in that：The step（1）In
High temperature storehouse temperature be 30-50 DEG C, standing time is 6-8h.
3. a kind of lithium ion battery rapid forming method according to claim 1, it is characterised in that：The step（2）In
The electric current of first open formation is 0.05-0.08C, and the time is 20-30min.
4. a kind of lithium ion battery rapid forming method according to claim 1, it is characterised in that：The step（3）In
The electric current 0.05-0.15C of secondary open formation, the time is 50-60min.
5. a kind of lithium ion battery rapid forming method according to claim 1, it is characterised in that：The step（3）In
Three electric current 0.15-0.3C of open formation, the time is 15-30min.
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| CN201710083126.3A CN106785147A (en) | 2017-02-16 | 2017-02-16 | A kind of lithium ion battery rapid forming method |
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| CN201710083126.3A CN106785147A (en) | 2017-02-16 | 2017-02-16 | A kind of lithium ion battery rapid forming method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107403908A (en) * | 2017-07-05 | 2017-11-28 | 天津普兰能源科技有限公司 | A kind of method for suppressing lithium titanate battery flatulence |
| CN109326827A (en) * | 2018-10-15 | 2019-02-12 | 珠海光宇电池有限公司 | A kind of standing method after lithium ion battery liquid injection |
| CN114373997A (en) * | 2022-02-08 | 2022-04-19 | 远景动力技术(江苏)有限公司 | Method for infiltrating pole piece with electrolyte |
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| JP2014003737A (en) * | 2012-06-15 | 2014-01-09 | Denso Corp | Charge controller |
| CN104201420A (en) * | 2014-07-29 | 2014-12-10 | 江西世纪长河新电源有限公司 | Formation process for reducing self-discharge rate of battery core |
| CN105489943A (en) * | 2015-11-25 | 2016-04-13 | 百顺松涛（天津）动力电池科技发展有限公司 | Lithium-ion battery formation method |
| CN105609889A (en) * | 2015-12-17 | 2016-05-25 | 中天储能科技有限公司 | Rapid formation and grading method for cylindrical lithium battery |
| CN106025364A (en) * | 2016-06-30 | 2016-10-12 | 中天储能科技有限公司 | Lithium-capacity low-consumption lithium-ion battery formation method |
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2017
- 2017-02-16 CN CN201710083126.3A patent/CN106785147A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014003737A (en) * | 2012-06-15 | 2014-01-09 | Denso Corp | Charge controller |
| CN104201420A (en) * | 2014-07-29 | 2014-12-10 | 江西世纪长河新电源有限公司 | Formation process for reducing self-discharge rate of battery core |
| CN105489943A (en) * | 2015-11-25 | 2016-04-13 | 百顺松涛（天津）动力电池科技发展有限公司 | Lithium-ion battery formation method |
| CN105609889A (en) * | 2015-12-17 | 2016-05-25 | 中天储能科技有限公司 | Rapid formation and grading method for cylindrical lithium battery |
| CN106025364A (en) * | 2016-06-30 | 2016-10-12 | 中天储能科技有限公司 | Lithium-capacity low-consumption lithium-ion battery formation method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107403908A (en) * | 2017-07-05 | 2017-11-28 | 天津普兰能源科技有限公司 | A kind of method for suppressing lithium titanate battery flatulence |
| CN109326827A (en) * | 2018-10-15 | 2019-02-12 | 珠海光宇电池有限公司 | A kind of standing method after lithium ion battery liquid injection |
| CN109326827B (en) * | 2018-10-15 | 2021-05-11 | 珠海冠宇电池股份有限公司 | Standing method of lithium ion battery after liquid injection |
| CN114373997A (en) * | 2022-02-08 | 2022-04-19 | 远景动力技术(江苏)有限公司 | Method for infiltrating pole piece with electrolyte |
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Application publication date: 20170531 |