CN109461979A - To the rectangular soft package power lithium ion battery restorative procedure of inflatable - Google Patents
To the rectangular soft package power lithium ion battery restorative procedure of inflatable Download PDFInfo
- Publication number
- CN109461979A CN109461979A CN201811275129.8A CN201811275129A CN109461979A CN 109461979 A CN109461979 A CN 109461979A CN 201811275129 A CN201811275129 A CN 201811275129A CN 109461979 A CN109461979 A CN 109461979A
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- China
- Prior art keywords
- lithium ion
- ion battery
- soft package
- power lithium
- injection needle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses the rectangular soft package power lithium ion battery restorative procedures of a kind of pair of inflatable, this method presses following scheme operation: constituting exhaust passage with the injection needle insertion tab side plastic-aluminum shell arm of angle first, another injection needle is taken to be inserted into from the battery bottom plastic-aluminum shell arm of angle, electrolyte is injected from lower part, until overflowing from the exhaust passage on top.Sealing is formed with the injection needle that soldering iron hot melt is located at bottom, is temporarily retained as the injection needle of exhaust passage.The battery for completing liquid feeding is placed under room temperature, atmospheric pressure environment and is stood for 24 hours, then battery is fitted into special fixture to be sent into together in chemical conversion case and makees chemical conversion treatment, measured voltage after chemical conversion, eliminate unqualified battery.Qualified battery is taken, by exhaust passage to battery vacuum-pumping, finally heats injection needle with soldering iron, realizes that exhaust passage blocks plug, completes repair.The method of the present invention is easy, and high-efficient, high-quality, application cost is low, utilizes for battery echelon and provides the method for super quality and competitive price.
Description
Technical field
The invention belongs to electrochemical technology fields, in particular it relates to which a kind of lithium ion battery, especially a kind of
To the rectangular soft package power lithium ion battery restorative procedure of inflatable.
Background technique
The shape of commercially available lithium ion battery mainly has cylindrical, rectangular and button-type, and rectangular lithium ion battery therein is again
It is divided into hard shell and soft shell.Some soft package power lithium ion batteries after a period of use, are also easy to produce inflatable and ask in mating market
Topic will eliminate in time since the soft package power lithium ion battery with the presence of inflatable is using danger.In recent years, country in order to
The wasting of resources and environmental pollution are reduced, the soft package power lithium ion battery that recycling has inflatable is advocated.By the Soft Roll power lithium of recycling
Ion battery makees echelon utilization, and principle is exactly that the soft package power lithium ion battery that will be backed off on power-equipment uses some consumptions instead
It can be the occasion of low energy densities, such as backup power source as communication equipment.For there is the Soft Roll lithium ion power of inflatable problem
It cannot directly be used after battery undercarriage, it is necessary to just be able to achieve emergency staircase time by reparation appropriate and utilize purpose.The industry is repaired
Multiple inflatable soft package power lithium ion battery generallys use updating method, that is, the plastic-aluminum shell for tearing former surface layer realizes exhaust, then again
Soldering polar ear and Reseal plastic-aluminum shell etc..The prior art repairs although can be realized effective reparation and consumes that resource is more, working hour
It is long, cause the realistic problem that rehabilitation cost is bigger than normal.
Summary of the invention
Present invention is generally directed to the big problem of existing recovery technique implementation cost, propose that the rectangular Soft Roll of a kind of pair of inflatable is dynamic
Power lithium ion battery restorative procedure, this method is easy, reasonable, repairs quick, high-quality and at low cost.
The present invention is achieved through the following technical solutions technical goal.
To the rectangular soft package power lithium ion battery restorative procedure of inflatable, the improvement is that by following below scheme operation:
1.1 exhaust
Implement the rectangular soft package power lithium ion battery row of inflatable under -85 DEG C~-35 DEG C 15~25 DEG C of temperature, dew point environment
Gas, the position of battery are that have one end of tab upward, constitute exhaust passage with the injection needle insertion tab side plastic-aluminum shell arm of angle.
1.2 supplement electrolyte
It takes another injection needle to be inserted into from the rectangular soft package power lithium ion battery bottom plastic-aluminum shell arm of angle, which is inserted into position
It sets with the exhaust passage on top into diagonally opposing corner relationship, the electrolyte injected from the injection needle for being located at lower part is up to the row from top
Until gas channel is overflowed.
1.3 closing liquid injection ports
It is located at the injection needle of bottom and the plastic-aluminum hull shape of position into sealing with soldering iron hot melt, cuts the exposed fluid injection in bottom
Needle, the injection needle positioned at top as exhaust passage then temporarily retain.
1.4 stand under room temperature, condition of normal pressure
The rectangular soft package power lithium ion battery for completing liquid feeding is placed under room temperature, atmospheric pressure environment and is stood at least for 24 hours.
1.5 chemical conversion
Rectangular soft package power lithium ion battery special fixture clamping through standing, rectangular soft package power lithium ion battery is with fixture
It is sent into chemical conversion case together and makees chemical conversion treatment.
1.6 detection cell voltages
Cell voltage is detected after chemical conversion, eliminates unqualified battery.
1.7 closing exhaust passages
Qualified rectangular soft package power lithium ion battery is taken, is taken out very by exhaust passage to rectangular soft package power lithium ion battery
Then sky sets the plastic-aluminum shell of the injection needle and position stayed with soldering iron hot melt, realize that exhaust passage blocks, cut exposed note
Liquid needle completes repair.
As the scheme of further improvement, the injection needle material is fusible plastic, and PP or PET or PE plastics system can be selected
Make.
Compared with prior art, the present invention having the positive effect that:
1, when this method repairs the rectangular soft package power lithium ion battery of inflatable, retain original plastic-aluminum shell, it is each up and down in plastic-aluminum shell
It is inserted into an injection needle, composition links up the channel of inside and outside exhaust and injection electrolyte, and the structure is not only simple but also reasonable, Yi Shixian
Repair purpose；
2, because original plastic-aluminum shell retains, soldering polar ear again is not needed, so remediation efficiency is high；
3, implement the present invention except two injection needles and supplement injection electrolyte are consumed, without other consumptive materials, therefore rehabilitation cost is low.
Detailed description of the invention
Fig. 1 is the positive structure schematic of rectangular soft package power lithium ion battery to be repaired.
Fig. 2 is the knot that rectangular soft package power lithium ion battery top and the bottom side opposite the angle shown in Fig. 1 is respectively inserted into an injection needle
Structure schematic diagram, superposed injection needle is as exhaust passage, and the injection needle positioned at lower part is for injecting electrolyte.
Fig. 3 is after rectangular soft package power lithium ion battery injects electrolyte, to cut the exposed injection needle in bottom and block fluid injection
The structural schematic diagram of mouth.
Fig. 4 is the structural schematic diagram that battery only stays top injection needle.
Fig. 5 is the structural schematic diagram that battery is packed into fixture.
Fig. 6 is to cut the exposed injection needle in rectangular soft package power lithium ion battery top and block the structure of exhaust passage to show
It is intended to.
Fig. 7 is to repair the rectangular soft package power lithium ion battery positive structure schematic finished.
Specific embodiment
Below according to attached drawing and in conjunction with the embodiments, the invention will be further described.
The present invention is the rectangular soft package power lithium ion battery restorative procedure of a kind of pair of inflatable, and this method is made by following below scheme
Industry:
1.1 exhaust
Implement the rectangular soft package power lithium ion battery row of inflatable under -85 DEG C~-35 DEG C 15~25 DEG C of temperature, dew point environment
Gas, the position of the battery are that have one end of tab upward, rectangular soft package power lithium ion battery top tab one shown in Fig. 1
Side is inserted at the plastic-aluminum shell arm of angle with injection needle, and injection needle directly links up inside and outside composition exhaust passage, this structure is as shown in Figure 2.
1.2 supplement electrolyte
It takes another injection needle to be inserted into from the plastic-aluminum shell arm of angle of rectangular soft package power lithium ion battery bottom shown in Fig. 2, the note
The exhaust passage on liquid needle insertion position and top is at diagonally opposing corner relationship, this structure is as shown in figure 3, inject electricity from the injection needle of lower part
Liquid is solved, until electrolyte is overflowed from the exhaust passage on top.
1.3 closing liquid injection ports
It is located at the injection needle of bottom and the plastic-aluminum hull shape of position into sealing with soldering iron hot melt, cuts the exposed fluid injection in bottom
Needle, the injection needle as exhaust passage then temporarily retain, this structure is as shown in Figure 4.
1.4 stand under room temperature, condition of normal pressure
The rectangular soft package power lithium ion battery for completing liquid feeding is placed under room temperature, atmospheric pressure environment and is stood at least for 24 hours.
1.5 chemical conversion
Special fixture clamping shown in rectangular soft package power lithium ion battery Fig. 5 through standing, rectangular Soft Roll lithium ion power electricity
Pond, which is sent into together in chemical conversion case with fixture, makees chemical conversion treatment.
1.6 detection cell voltages
Rectangular soft package power lithium ion battery voltage is detected after chemical conversion, eliminates unqualified battery.
1.7 closing exhaust passages
Qualified rectangular soft package power lithium ion battery is taken, as shown in fig. 6, by exhaust passage to battery vacuum-pumping, then
The plastic-aluminum shell that the injection needle and position stayed are set with soldering iron hot melt realizes that exhaust passage blocks, cuts exposed injection needle,
Structure is as shown in fig. 7, complete repair.
The injection needle applied in the present embodiment is formed with PP plastic production, has good meltability, forming is fast, and sealing can
It leans on.
It is very easy that rectangular soft package power lithium ion battery is repaired using this method, consumes few, repairs short time limit, high-efficient,
At low cost, most important repairing quality is reliable and stable, and battery appearance restores to the original state.Rectangular Soft Roll through this method reparation is dynamic
Power lithium ion battery still maintains preferable performance, and cycle life generally reaches 500 times or more, and capacity is also maintained at 85% or more, complete
The mating requirement of full up foot mobile communication base station backup power source, the rectangular soft package power lithium ion battery of inflatable is utilized for echelon,
The method that there is use value in a set of pole is provided.
Claims (3)
1. the rectangular soft package power lithium ion battery restorative procedure of a kind of pair of inflatable, it is characterised in that press following below scheme operation:
1.1 exhaust
Implement the rectangular soft package power lithium ion battery row of inflatable under -85 DEG C~-35 DEG C 15~25 DEG C of temperature, dew point environment
Gas, the position of battery are that have one end of tab upward, constitute exhaust passage with the injection needle insertion tab side plastic-aluminum shell arm of angle；
1.2 supplement electrolyte
It takes another injection needle to be inserted into from the rectangular soft package power lithium ion battery bottom plastic-aluminum shell arm of angle, which is inserted into position
It sets with the exhaust passage on top into diagonally opposing corner relationship, the electrolyte injected from the injection needle for being located at lower part is up to the row from top
Until gas channel is overflowed；
1.3 closing liquid injection ports
It is located at the injection needle of bottom and the plastic-aluminum hull shape of position into sealing with soldering iron hot melt, cuts the exposed fluid injection in bottom
Needle, the injection needle positioned at top as exhaust passage then temporarily retain；
1.4 stand under room temperature, condition of normal pressure
The rectangular soft package power lithium ion battery for completing liquid feeding is placed under room temperature, atmospheric pressure environment and is stood at least for 24 hours；
1.5 chemical conversion
Rectangular soft package power lithium ion battery special fixture clamping through standing, rectangular soft package power lithium ion battery is with fixture
It is sent into chemical conversion case together and makees chemical conversion treatment；
1.6 detection cell voltages
Rectangular soft package power lithium ion battery voltage is detected after chemical conversion, eliminates unqualified battery；
1.7 closing exhaust passages
Qualified rectangular soft package power lithium ion battery is taken, is taken out very by exhaust passage to rectangular soft package power lithium ion battery
Then sky sets the plastic-aluminum shell of the injection needle and position stayed with soldering iron hot melt, realize that exhaust passage blocks, cut exposed note
Liquid needle completes repair.
2. the rectangular soft package power lithium ion battery restorative procedure according to claim 1 to inflatable, it is characterised in that: institute
Stating injection needle material is fusible plastic.
3. the rectangular soft package power lithium ion battery restorative procedure according to claim 1 to inflatable, it is characterised in that: institute
State injection needle PP or PET or PE plastic production.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275129.8A CN109461979A (en) | 2018-10-30 | 2018-10-30 | To the rectangular soft package power lithium ion battery restorative procedure of inflatable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811275129.8A CN109461979A (en) | 2018-10-30 | 2018-10-30 | To the rectangular soft package power lithium ion battery restorative procedure of inflatable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109461979A true CN109461979A (en) | 2019-03-12 |
Family
ID=65608887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811275129.8A Withdrawn CN109461979A (en) | 2018-10-30 | 2018-10-30 | To the rectangular soft package power lithium ion battery restorative procedure of inflatable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109461979A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783647A (en) * | 2019-10-08 | 2020-02-11 | 双登集团股份有限公司 | Repairing method of soft-package gas-swelling battery cell |
| CN112259936A (en) * | 2020-08-28 | 2021-01-22 | 苏州新中能源科技有限公司 | Liquid supplementing and repairing method for soft package lithium ion battery |
-
2018
- 2018-10-30 CN CN201811275129.8A patent/CN109461979A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783647A (en) * | 2019-10-08 | 2020-02-11 | 双登集团股份有限公司 | Repairing method of soft-package gas-swelling battery cell |
| CN112259936A (en) * | 2020-08-28 | 2021-01-22 | 苏州新中能源科技有限公司 | Liquid supplementing and repairing method for soft package lithium ion battery |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190312 |
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| WW01 | Invention patent application withdrawn after publication |