CN104953182B - The method of solution party's shaped steel shell power lithium-ion battery side potting problem - Google Patents
The method of solution party's shaped steel shell power lithium-ion battery side potting problem Download PDFInfo
- Publication number
- CN104953182B CN104953182B CN201510271824.7A CN201510271824A CN104953182B CN 104953182 B CN104953182 B CN 104953182B CN 201510271824 A CN201510271824 A CN 201510271824A CN 104953182 B CN104953182 B CN 104953182B
- Authority
- CN
- China
- Prior art keywords
- battery
- drain pan
- shaped steel
- steel shell
- power lithium
- Prior art date
- 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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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 22
- 238000004382 potting Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000010959 steel Substances 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 6
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular cells
-
- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a kind of method of solution party's shaped steel shell power lithium-ion battery side potting problem, finished product square battery drain pan surrounding die drawn to half garden arc and is pressed into seal groove first；Then battery cover board surrounding is also pressed into seal groove；Then the sealing ring of suitable square battery is put into battery drain pan seal groove and battery cover board be put into again, finally by the disposable clinching of surrounding that diel stretches battery drain pan to battery cover.The present invention solves product failure caused by many undesirable elements such as stress variation caused by traditional thermosol welding manner, perforation, embrittlement, oxidation seepage, cycle life reduces, qualification rate does not increase etc..
Description
Technical field
The present invention relates to battery processing method field, specifically a kind of solution party's shaped steel shell power lithium-ion battery side envelope
The method for filling sealing problem.
Background technology
Lithium ion battery due to it is higher than energy, operating voltage is high, have extended cycle life, memory-less effect and pollution are few etc.
Advantage, the communication such as mobile phone, pocket computer, digital camera, portable music player has been widely used in it and has been produced with digital
In product.The application in fields such as electronic work, electric car, space satellite, weaponry and various energy storage devices is opened in recent years
Hair also gradually shows good prospect.
The lithium ion battery of current commercialization is mostly cylinder or square closedtop, due to the groups of office of cylindrical battery
In the case of sex-limited property and the security difference of square closedtop battery, I encapsulates the side of being designed as of company housing battery side.
It is the lithium ion battery of negative pole by spies such as security is good, have extended cycle life, input-output power height using lithium titanate
Property can meet energy storage and high power field application, it has also become the focus of battery industry common concern；Lithium titanate is prepared for negative pole
Battery can realize that quick charge, big multiplying power discharging are lithium batteries of new generation ideal in power and energy storage.
But battery exploitation in have been found that encapsulated with square housing battery side when such as with electric resistance welding when flash, corner occurs
Repeating welding can seepage；Such as with Laser Welding because welding girth it is excessive, had a strong impact on the welding effect of battery, can cause rosin joint,
Burn-through, embrittlement, oxidation seepage etc..
It is an object of the invention to provide a kind of solution party's shaped steel shell power lithium-ion battery side potting for the content of the invention
The method of problem, to solve the problems, such as prior art square box hat power lithium-ion battery side potting.
In order to achieve the above object, the technical solution adopted in the present invention is：
The method of solution party's shaped steel shell power lithium-ion battery side potting problem, it is characterised in that：Including following
Step：
（1）, finished product square battery drain pan surrounding die drawn to half garden arc and is pressed into seal groove；
（2）, battery cover board surrounding is pressed into seal groove；
（3）, the sealing ring of suitable square battery is put into battery drain pan seal groove battery cover board is put into again；
（4）, by shaping mould the side of battery drain pan four to be entered line tilt whole；
（5）, by the disposable clinching of surrounding that diel stretches battery drain pan to battery cover.
The method of described solution party's shaped steel shell power lithium-ion battery side potting problem, it is characterised in that：Electricity
The height 7.5mm of bottom of pond shell surrounding stretching, sealing groove radius is 1.5mm.
The method of described solution party's shaped steel shell power lithium-ion battery side potting problem, it is characterised in that：Institute
It is 1.5mm to state battery cover board sealing groove radius, and position is consistent with bottom plate seal groove.
The method of described solution party's shaped steel shell power lithium-ion battery side potting problem, it is characterised in that：It is suitable
The seal diameter for closing square housing is 3mm.
The method of described solution party's shaped steel shell power lithium-ion battery side potting problem, it is characterised in that：It is first
First stretching side by die reshaping into eight words, secondary mould flattens to stretching side again, and gap is left in root during pressing
Ensure its intensity.
The method of described solution party's shaped steel shell power lithium-ion battery side potting problem, it is characterised in that：It is suitable
For all side's housing batteries and it is side encapsulating structure.
Battery drain pan edge is carried out succeeding stretch by the present invention, is again put into battery cover board together with sealing ring, then
Sealed by compaction die, square box hat lithium ion power electricity can be carried out in the case where not destroying materials microstructure
Pond side potting.
It is all that the present invention solves stress variation caused by traditional thermosol welding manner, perforation, embrittlement, oxidation seepage etc.
The problem of product failure, cycle life caused by more undesirable elements reduce, qualification rate does not increase.
Brief description of the drawings
Fig. 1 is inventive shell indent schematic diagram.
Fig. 2 is cover plate indent schematic diagram of the present invention.
Fig. 3 is bending schematic diagram of the present invention.
Fig. 4 is assembling schematic diagram of the present invention.
Fig. 5 is that the present invention is baroclined schematic diagram.
Fig. 6 flattens schematic diagram for the present invention.
Embodiment
As shown in figs 1 to 6, the method for solution party's shaped steel shell power lithium-ion battery side potting problem, its feature
It is：Comprise the following steps：
（1）, finished product square battery drain pan surrounding die drawn to half garden arc and is pressed into seal groove；
（2）, battery cover board surrounding is pressed into seal groove；
（3）, the sealing ring of suitable square battery is put into battery drain pan seal groove battery cover board is put into again；
（4）, by shaping mould the side of battery drain pan four to be entered line tilt whole；
（5）, by the disposable clinching of surrounding that diel stretches battery drain pan to battery cover.
The height 7.5mm of battery drain pan surrounding stretching, sealing groove radius is 1.5mm.
Battery cover board sealing groove radius is 1.5mm, and position is consistent with bottom plate seal groove.
The seal diameter for being adapted to square housing is 3mm.
The present invention first stretching side by die reshaping into eight words, secondary mould flattens to stretching side again, presses
Usually root leaves gap and ensures its intensity.
The present invention is applied to all side's housing batteries and is side encapsulating structure.
Claims (5)
1. the method for solution party's shaped steel shell power lithium-ion battery side potting problem, it is characterised in that：Including following step
Suddenly：
（1）, finished product square battery drain pan surrounding die drawn to half garden arc and is pressed into seal groove；
（2）, battery cover board surrounding is pressed into seal groove；
（3）, the sealing ring of suitable square battery is put into battery drain pan seal groove battery cover board is put into again；
（4）, by shaping mould the side of battery drain pan four to be entered line tilt whole；
（5）, by the disposable clinching of surrounding that diel stretches battery drain pan to battery cover；
Wherein, step（4）Described inclination is whole be specially will stretching side by die reshaping into eight words；Step（5）Specially pair
Stretching side is flattened, and root leaves gap and ensures its intensity during pressing.
2. the method for solution party's shaped steel shell power lithium-ion battery side potting problem according to claim 1, its
It is characterised by：The height 7.5mm of battery drain pan surrounding stretching, sealing groove radius is 1.5mm.
3. the method for solution party's shaped steel shell power lithium-ion battery side potting problem according to claim 1, its
It is characterised by：The battery cover board sealing groove radius is 1.5mm, and position is consistent with bottom plate seal groove.
4. the method for solution party's shaped steel shell power lithium-ion battery side potting problem according to claim 1, its
It is characterised by：The seal diameter for being adapted to square housing is 3mm.
5. the method for solution party's shaped steel shell power lithium-ion battery side potting problem according to claim 1, its
It is characterised by：Suitable for all side's housing batteries and it is side encapsulating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510271824.7A CN104953182B (en) | 2015-05-25 | 2015-05-25 | The method of solution party's shaped steel shell power lithium-ion battery side potting problem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510271824.7A CN104953182B (en) | 2015-05-25 | 2015-05-25 | The method of solution party's shaped steel shell power lithium-ion battery side potting problem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104953182A CN104953182A (en) | 2015-09-30 |
| CN104953182B true CN104953182B (en) | 2018-03-30 |
Family
ID=54167674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510271824.7A Active CN104953182B (en) | 2015-05-25 | 2015-05-25 | The method of solution party's shaped steel shell power lithium-ion battery side potting problem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104953182B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112202A (en) * | 2020-08-28 | 2022-03-01 | 深圳格林德能源集团有限公司 | Method for analyzing packaging reliability of button cell |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599761Y (en) * | 2003-01-02 | 2004-01-14 | 未来科学研究院有限公司 | Square battery |
| CN1199305C (en) * | 1998-08-21 | 2005-04-27 | 永备电池有限公司 | Battery constructions having reduced collector assembly volume |
| CN1767227A (en) * | 2004-09-22 | 2006-05-03 | 日产自动车株式会社 | Battery outer case and assemble method thereof |
| JP2010055961A (en) * | 2008-08-28 | 2010-03-11 | Toyota Motor Corp | Airtight battery and manufacturing method for airtight battery |
| CN201877526U (en) * | 2010-12-20 | 2011-06-22 | 东莞新能源科技有限公司 | Lithium ion battery |
| CN103119746A (en) * | 2010-06-04 | 2013-05-22 | A123系统公司 | Crimped, prismatic battery structure |
| CN104488108A (en) * | 2012-07-16 | 2015-04-01 | 罗伯特·博世有限公司 | Battery cell and method for closing the battery cell |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5159076B2 (en) * | 2006-09-27 | 2013-03-06 | 三洋電機株式会社 | Cylindrical storage battery and manufacturing method thereof |
-
2015
- 2015-05-25 CN CN201510271824.7A patent/CN104953182B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1199305C (en) * | 1998-08-21 | 2005-04-27 | 永备电池有限公司 | Battery constructions having reduced collector assembly volume |
| CN2599761Y (en) * | 2003-01-02 | 2004-01-14 | 未来科学研究院有限公司 | Square battery |
| CN1767227A (en) * | 2004-09-22 | 2006-05-03 | 日产自动车株式会社 | Battery outer case and assemble method thereof |
| JP2010055961A (en) * | 2008-08-28 | 2010-03-11 | Toyota Motor Corp | Airtight battery and manufacturing method for airtight battery |
| CN103119746A (en) * | 2010-06-04 | 2013-05-22 | A123系统公司 | Crimped, prismatic battery structure |
| CN201877526U (en) * | 2010-12-20 | 2011-06-22 | 东莞新能源科技有限公司 | Lithium ion battery |
| CN104488108A (en) * | 2012-07-16 | 2015-04-01 | 罗伯特·博世有限公司 | Battery cell and method for closing the battery cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104953182A (en) | 2015-09-30 |
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