CN102569872A - Lithium ion battery and manufacturing method thereof - Google Patents
Lithium ion battery and manufacturing method thereof Download PDFInfo
- Publication number
- CN102569872A CN102569872A CN2010105974280A CN201010597428A CN102569872A CN 102569872 A CN102569872 A CN 102569872A CN 2010105974280 A CN2010105974280 A CN 2010105974280A CN 201010597428 A CN201010597428 A CN 201010597428A CN 102569872 A CN102569872 A CN 102569872A
- Authority
- CN
- China
- Prior art keywords
- shell
- plastic film
- aluminum plastic
- wireway
- lithium ion
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to a lithium ion battery and a manufacturing method thereof, wherein the lithium ion battery includes a sealed case; a battery cell is arranged in the case; an anode lug and a cathode lug both connected with the battery cell are arranged on the outer surface of the case; an air duct is also arranged in the case; a sealed hole is formed in the case; an opening at one end of the air duct is arranged inside the case; an opening at the other end of the air duct is communicated with the hole; and the sealed part of the hole can bear pressure smaller than that on other sealed parts on the case. When bigger pressure is generated by air inside the battery case, the sealed parts at the opening of the air duct can be opened more early than other parts on the case, so as to enable air to be exhausted from the air duct and improve the safety of the lithium ion battery; besides, during the manufacturing process of the lithium ion battery, the air duct can replace an air bag in the traditional scheme for vacuum pumping, thereby saving an plastic-aluminum film wasted by the air bag, and reducing the manufacturing cost of the lithium ion battery.
Description
Technical field
The present invention relates to the battery technology field, more particularly, relate to a kind of lithium ion battery and manufacturing approach thereof.
Background technology
Along with lithium ion battery in the extensive use aspect mobile phone, notebook computer and other digital product; People also are increasingly high to the performance demands of lithium ion battery; Hope that not only lithium ion battery has outstanding chemical property, cheap price, also requires lithium ion battery to possess reliable security performance simultaneously.
The shell of existing lithium ion battery is divided into metal shell and plastic casing, and metal shell has box hat and aluminum hull etc., and non-metal shell has plastic housing and aluminum plastic film packing etc.In the nonmetal packaging material of lithium ion battery, adopt the flexible packing lithium ion battery of aluminum plastic film to compare plastic casing to have the energy density height, to characteristics such as complicated core strueture adaptability are strong.Comparatively speaking, the lithium ion battery of non-metal shell preparation has security performance relatively reliably, for example adopts the flexible packing lithium ion battery of aluminum plastic film.But even adopt safer flexible packing lithium ion battery, it is comparing under the exacting terms, and for example perhaps under the situation of abuse, still there are very big potential safety hazard in very high temperature or utmost point low temperature.
For example, on power car, use or in transportation, lithium ion battery is vibrated easily even falls.In this case, play very easily takes place in the electric core of lithium ion battery, causes the distortion of battery plus-negative plate generation deformation or lug; Cause the battery case internal short-circuit, produce great amount of heat thereupon, cause local generation of some electrolyte, insulating layer material of lithium ion battery the inside to be gasified; If it is too fast that heat produces, the process of gasification is then very fast so, makes the air pressure of lithium ion battery the inside increase; After air pressure increases to a certain degree, after battery case intensity is held and can't stand, will burst apart.Adopt the flexible packing lithium ion battery enclosure of aluminum plastic film to become vacuum state, the battery case internal pressure surpass aluminum plastic film or heat-seal land bear the limit time, aluminum plastic film can break.
In addition, when producing lithium ion battery in the prior art, generally be to accomplish the process of injecting electrolyte and vacuumizing through air bag.Application number is the manufacturing approach that the patent of invention of CN200710075751.X discloses a kind of flexible packing lithium ion battery; Wherein disclose: at aluminum plastic film middle section punching press place electricity core groove; And at the short brink punching press place air bag of electric core groove; In air bag, inject electrolyte, vacuumize, cut air bag, the soldering and sealing base along electric core groove base again.Can waste a large amount of aluminum plastic films like this, increase the cost of manufacture of lithium ion battery.
Summary of the invention
The technical problem that the present invention will solve is, to the above-mentioned defective of prior art, provides a kind of security performance high and cost-effective lithium ion battery.
Another object of the present invention is to, a kind of lithium ion battery manufacturing approach is provided.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of lithium ion battery, comprise envelope sealed, be provided with electric core in the said shell; Said outer surface of outer cover is provided with anode ear and the negative electrode lug that connects said electric core; Wherein, also be provided with wireway in the said shell, said shell is provided with the hole that is sealed; Said wireway one end opening is arranged in the said shell, said wireway other end open communication to said hole, and said hole seals at can bear pressure less than other sealing positions on the said shell.
Lithium ion battery of the present invention, wherein, said anode ear and said negative electrode lug are arranged on same end on the said shell, and said wireway is arranged on the interior end away from said anode ear and said negative electrode lug of said shell.
Lithium ion battery of the present invention, wherein, said anode ear and said negative electrode lug are arranged on two ends relative on the said shell, and said wireway is provided with along said shell madial wall, and said hole is arranged on said side wall of outer shell middle part.
Lithium ion battery of the present invention, wherein, said wireway is a pp pipeline, said shell is the shell that aluminum plastic film is processed.
Lithium ion battery of the present invention, wherein, said wireway diameter is 0.1～5mm, length is 10～40mm.
The present invention also provides a kind of lithium ion battery manufacturing approach, wherein, may further comprise the steps:
The electric core of making is put into the good electric core groove of aluminum plastic film shell punching press, and the marginal position that the anode ear and the negative electrode lug of electric core is positioned over the aluminum plastic film shell;
Wireway is positioned in the aluminum plastic film shell, and wireway one end opening is arranged in the electric core groove of aluminum plastic film shell, and other end opening is arranged on outside the aluminum plastic film shell;
The aluminum plastic film shell is turned up butt joint, soldering and sealing aluminum plastic film shell one side, the top relative on the soldering and sealing aluminum plastic film shell again with folding line;
Do not leave standstill after the opposite side of soldering and sealing injects electrolyte in the aluminum plastic film shell from said aluminum plastic film shell;
Soldering and sealing aluminum plastic film shell opposite side, and reserve the hole and be convenient to said wireway and pass;
End opening place order outside wireway is positioned at the aluminum plastic film shell vacuumizes and gives battery pre-charging to guide valve through wireway to the aluminum plastic film shell;
Cut off wireway along the aluminum plastic film side wall of outer shell and be positioned at the part outside the aluminum plastic film shell, and the shearing place opening of said wireway is sealed at place, said hole.
Lithium ion battery manufacturing approach of the present invention, wherein, when soldering and sealing aluminum plastic film shell one side and soldering and sealing aluminum plastic film shell opposite side, heating-up temperature is 150 °～250 °, be 1～10 second heating time;
During the top relative with folding line, heating-up temperature is 170 °～250 ° on soldering and sealing aluminum plastic film shell, and be 1～10 second heating time;
When the shearing place opening to said wireway sealed, heating-up temperature was 180 °～250 °, and be 1～6 second heating time.
Lithium ion battery manufacturing approach of the present invention, wherein, when soldering and sealing aluminum plastic film shell one side and soldering and sealing aluminum plastic film shell opposite side, heating-up temperature is 180 °～200 °, be 3～5 seconds heating time;
During the top relative with folding line, heating-up temperature is 190 °～250 ° on soldering and sealing aluminum plastic film shell, and be 1～5 second heating time;
When the shearing place opening to said wireway sealed, heating-up temperature was 190 °～250 °, and be 1～3 second heating time.
Lithium ion battery manufacturing approach of the present invention, wherein, the anode ear of said electric core and negative electrode lug are positioned over edge, said aluminum plastic film shell the same side, and said wireway is arranged on the interior end away from said anode ear and negative electrode lug of said aluminum plastic film shell.
Lithium ion battery manufacturing approach of the present invention, wherein, said wireway is the pp pipeline of diameter 0.1～5mm, length 10～40mm.
Beneficial effect of the present invention is: through wireway is set in lithium ion battery; And the pressure that the opening seals at that the hole is communicated with on wireway and the shell can bear is less than other sealing positions on the said shell; When the battery case internal gas produces big pressure; The seals at of wireway opening can be opened prior to other position on the shell, makes gas pass through wireway and discharges the fail safe that has improved lithium ion battery.In addition, wireway also can replace the air bag in the traditional scheme to accomplish the process that vacuumizes in the lithium ion battery manufacture process, has saved the aluminum plastic film that air bag is wasted, and has reduced the lithium ion battery production cost.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the lithium ion battery structure sketch map of preferred embodiment of the present invention;
Fig. 2 is the wireway structural representation of preferred embodiment of the present invention;
Fig. 3 is the lithium ion battery wireway shearing sealing pre-structure sketch map of preferred embodiment of the present invention.
Embodiment
The lithium ion battery structure of preferred embodiment of the present invention is as shown in Figure 1, consults Fig. 2 simultaneously, and it comprises envelope sealed 20, is provided with electric core in the shell 20, and shell 20 outer surfaces are provided with the anode ear 31 and negative electrode lug 32 that connects electric core.In shell 20, also be provided with wireway 10, shell 20 is provided with the hole 25 that is sealed.Wireway 10 1 end openings are arranged in the shell 20, the hole 25 on wireway 10 other end open communication to the shells 20, and the diameter in hole 25 and wireway 10 diameters are suitable, and the seals in hole 25 can bear pressure less than other sealing positions on the shell 20.When battery case 20 internal gas produced big pressure, the seals at of wireway 10 openings can be opened prior to other position on the shell 20, makes gas pass through wireway 10 and discharges the fail safe that has improved lithium ion battery like this.
In the foregoing description, connect the anode ear 31 of electric core and the same end that negative electrode lug 32 can be arranged on shell 20, also can be separately positioned on two ends relative on the shell 20.Wherein comparatively commonly anode ear of electric core 31 and negative electrode lug 32 are arranged on the same end of shell 20.
When anode ear that connects electric core 31 and negative electrode lug 32 were arranged on the shell 20 same end, preferably, wireway 10 was arranged in the shell 20 other end of anode ears 31 and negative electrode lug 32 relatively.Because lithium ion in the middle of charging and discharging process, the situation of the short circuit on the microcosmic can occur being similar to.When short circuit, can produce great amount of heat, cause local generation of electrolyte, insulating layer material of lithium ion battery the inside to be gasified.If it is too fast that heat produces, the process of gasification is too fast so, and wherein the air pressure of lithium ion battery the inside will increase; Air pressure increases to a certain degree, can wireway 10 be arranged on the other end of shell 20 interior anode ears 31 relatively and negative electrode lug 32 along anode ear 31 and negative electrode lug 32 propagation from the close-by examples to those far off; Air-flow can be derived along wireway 10; The seals in air pressure compressing hole 25 also opens the sealing mouth, can be convenient to gas more and discharge, the protection battery.
When anode ear 31 and negative electrode lug 32 were arranged on two ends relative on the shell 20, preferably, wireway 10 was along shell 20 madial wall settings, and the hole on the shell 20 25 is arranged on shell 20 sidewalls middle part.Be appreciated that wireway 10 also can be arranged on other positions in the shell 20, as long as can play the effect of decompression exhaust.
In another embodiment of the present invention, a kind of lithium ion battery manufacturing approach also is provided, the lithium ion battery each several part structure of manufacturing can be consulted accompanying drawing 1 and accompanying drawing 3, and this method may further comprise the steps:
1), the electric core that will make puts into the good electric core groove of aluminum plastic film shell 20 punching press, and the anode ear 31 of electric core and negative electrode lug 32 is positioned over the marginal position of aluminum plastic film shell 20;
2), wireway 10 is positioned in the aluminum plastic film shell 20, wireway 10 1 end openings are arranged in the electric core groove of aluminum plastic film shell 20, and the other end opening of wireway 10 is arranged on outside the aluminum plastic film shell 20;
3), aluminum plastic film shell 20 is turned up butt joint, it is bottom 21 that folding line one side is wherein arranged, and folding line one side is top 23 relatively, and all the other are both sides 22,24, a side 22 of soldering and sealing aluminum plastic film shell 20, the top 23 relative with folding line on the soldering and sealing aluminum plastic film shell 20 again;
4), from aluminum plastic film shell 20 not the opposite side 24 of soldering and sealing in aluminum plastic film shell 20, inject electrolyte, leave standstill then;
5), soldering and sealing aluminum plastic film shell 20 opposite sides 24, and reserve hole 25 and be convenient to wireway 10 and pass;
6), the end opening place order outside wireway 10 is positioned at aluminum plastic film shell 20 is to guide valve 11, through vacuumizing in 10 pairs of aluminum plastic film shells 20 of wireway, and carries out precharge to battery; The structure before wireway 10 is sheared and the structure of unidirectional guide valve 11 can be consulted accompanying drawing 3;
7), cut off wireway along aluminum plastic film shell 20 sidewalls and be positioned at the part outside the aluminum plastic film shell 20,25 places seal in the hole with the shearing place opening of wireway 10, are about to hole 25 and seal up; Wireway 10 shears the back and hole 25 sealing back structures are as shown in Figure 1.
The lithium ion battery that adopts above-mentioned steps to manufacture; Because the sealing of wireway 10 openings is in the end to accomplish; Has lapping defect between the sealing surface of this opening part and the sealing by other positions on the aluminum plastic film shell 20 formed shells 20; And the sealing surface of this opening part other positions relatively is less one, and its pressure that can bear is less.Therefore; When battery case 20 internal gas produced big pressure, the seals at of wireway 10 openings can be opened prior to other position on the shell 20, makes gas pass through wireway 10 and discharges; Prevent that aluminum plastic film shell 20 integral body from bursting apart, improved the fail safe of lithium ion battery.
Preferably, when soldering and sealing aluminum plastic film shell 20 1 sides 22 and soldering and sealing aluminum plastic film shell 20 opposite sides 24, heating-up temperature is 150 °～250 °, and be 1～10 second heating time; During the top 23 relative with folding line, heating-up temperature is 170 °～250 ° on soldering and sealing aluminum plastic film shell 20, and be 1～10 second heating time; When the shearing place opening to wireway 10 sealed, heating-up temperature was 180 °～250 °, and be 1～6 second heating time.
More preferably, when soldering and sealing aluminum plastic film shell 20 1 sides 22 and soldering and sealing aluminum plastic film shell 20 opposite sides 24, heating-up temperature is 180 °～200 °, and be 3～5 seconds heating time; During the top 23 relative with folding line, heating-up temperature is 190 °～250 ° on soldering and sealing aluminum plastic film shell 20, and be 1～5 second heating time; When the shearing place opening to wireway 10 sealed, heating-up temperature was 190 °～250 °, and be 1～3 second heating time.
In concrete embodiment, on soldering and sealing aluminum plastic film shell 20 1 sides 22, soldering and sealing aluminum plastic film shell 20 opposite sides 24 and soldering and sealing aluminum plastic film shell 20, during the top 23 relative, heating-up temperature that is adopted and heating time only need satisfy above-mentioned scope and all can with folding line.But in the manufacture process of same lithium ion battery; When the shearing place opening of wireway 10 is sealed; When heating-up temperature preferably was higher than soldering and sealing aluminum plastic film shell 20 1 sides 22, soldering and sealing aluminum plastic film shell 20 opposite sides 24, can select heating time according to concrete heating-up temperature.
For example, all adopt 185 ° of heating-up temperatures in soldering and sealing aluminum plastic film shell 20 1 sides and opposite side, heating time is when being 3 seconds, the shearing place opening of wireway 10 sealed can adopt 190 ° of heating-up temperatures, and be 1.5 seconds heating time.The seals at that can further guarantee wireway 10 openings like this can bear pressure less than other sealing positions on the shell; Make when battery case 20 internal gas produce big pressure; The seals at of wireway 10 openings can be opened prior to other position on the shell; Make gas pass through wireway 10 and discharge, prevent that aluminum plastic film shell 20 integral body from bursting apart, improved the fail safe of lithium ion battery.
Preferably; In the lithium ion battery manufacturing approach of the foregoing description; The anode ear 31 of electricity core is positioned over edge, aluminum plastic film shell the same side with negative electrode lug 32, and wireway 10 is arranged on aluminum plastic film shell 20 an interior end away from anode ear 31 and negative electrode lug 32, i.e. 20 bottoms 21 of shell shown in the accompanying drawing 1.The air-flow that is produced in the battery like this can be opened hole 25 seals at along wireway 10, and be convenient to gas more and discharge, the protection battery, concrete principle is set forth among the embodiment in front, repeats no more at this.
Among above-mentioned each embodiment,, can make in the process that vacuumizes that outside gas and moisture enter into battery case 20 inside easily if wireway 10 diameters are too big.Preferably, as shown in Figure 2, wireway 10 diameters are 0.1～5mm, are preferably 2～3mm.The diameter of wireway 10 can be selected in above-mentioned scope according to the prepared cell actual size.Wireway 10 length are preferably 10～40mm, and concrete size also can be selected in above-mentioned scope according to the prepared cell actual size.
Among above-mentioned each embodiment, preferably, when adopting aluminum plastic film to prepare battery case 20, wireway preferably adopts pp pipeline (PP pipe), is convenient to like this when final encapsulation and the hot sealing layer of aluminum plastic film shell 20 fusion and sealing.Be appreciated that the wireway 10 that is adopted can also be except that other and aluminum plastic film heatmeltable the PP pipe made pipe of macromolecular material preferably.
Beneficial effect of the present invention is: through wireway 10 is set in lithium ion battery; And the pressure that the opening seals at that hole 25 is communicated with on wireway 10 and the shell 20 can bear is less than other sealing positions on the shell 20; When battery case 20 internal gas produce big pressure; The seals at of wireway 10 openings can be opened prior to other position on the shell 20, makes gas pass through wireway 10 and discharges the fail safe that has improved lithium ion battery.
In addition; Wireway 10 also can replace the air bag in the traditional scheme to accomplish the process that vacuumizes in the lithium ion battery manufacture process; Simplify the injection electrolyte technology of flexible packing lithium ion battery, saved the aluminum plastic film that air bag is wasted, reduced the lithium ion battery production cost.
The above is merely preferred implementation of the present invention; It is pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. a lithium ion battery comprises envelope sealed, is provided with electric core in the said shell; Said outer surface of outer cover is provided with anode ear and the negative electrode lug that connects said electric core; It is characterized in that also be provided with wireway in the said shell, said shell is provided with the hole that is sealed; Said wireway one end opening is arranged in the said shell, said wireway other end open communication to said hole, and said hole seals at can bear pressure less than other sealing positions on the said shell.
2. lithium ion battery according to claim 1 is characterized in that, said anode ear and said negative electrode lug are arranged on same end on the said shell, and said wireway is arranged on the other end of said relatively anode ear and said negative electrode lug in the said shell.
3. lithium ion battery according to claim 1 is characterized in that, said anode ear and said negative electrode lug are separately positioned on two ends relative on the said shell, and said wireway is provided with along said shell madial wall, and said hole is arranged on said side wall of outer shell middle part.
4. lithium ion battery according to claim 1 is characterized in that, said wireway is a pp pipeline, and said shell is the shell that aluminum plastic film is processed.
5. lithium ion battery according to claim 1 is characterized in that, said wireway diameter is 0.1～5mm, and length is 10～40mm.
6. a lithium ion battery manufacturing approach is characterized in that, may further comprise the steps:
The electric core of making is put into the good electric core groove of aluminum plastic film shell punching press, and the marginal position that the anode ear and the negative electrode lug of electric core is positioned over the aluminum plastic film shell;
Wireway is positioned in the aluminum plastic film shell, and wireway one end opening is arranged in the electric core groove of aluminum plastic film shell, and other end opening is arranged on outside the aluminum plastic film shell;
The aluminum plastic film shell is turned up butt joint, soldering and sealing aluminum plastic film shell one side, the top relative on the soldering and sealing aluminum plastic film shell again with folding line;
Do not leave standstill after the opposite side of soldering and sealing injects electrolyte in the aluminum plastic film shell from said aluminum plastic film shell;
Soldering and sealing aluminum plastic film shell opposite side, and reserve the hole and be convenient to said wireway and pass;
End opening place order outside wireway is positioned at the aluminum plastic film shell vacuumizes and gives battery pre-charging to guide valve through wireway to the aluminum plastic film shell;
Cut off wireway along the aluminum plastic film side wall of outer shell and be positioned at the part outside the aluminum plastic film shell, and the shearing place opening of said wireway is sealed at place, said hole.
7. lithium ion battery manufacturing approach according to claim 6 is characterized in that, when soldering and sealing aluminum plastic film shell one side and soldering and sealing aluminum plastic film shell opposite side, heating-up temperature is 150 °～250 °, and be 1～10 second heating time;
During the top relative with folding line, heating-up temperature is 170 °～250 ° on soldering and sealing aluminum plastic film shell, and be 1～10 second heating time;
When the shearing place opening to said wireway sealed, heating-up temperature was 180 °～250 °, and be 1～6 second heating time.
8. lithium ion battery manufacturing approach according to claim 6 is characterized in that, when soldering and sealing aluminum plastic film shell one side and soldering and sealing aluminum plastic film shell opposite side, heating-up temperature is 180 °～200 °, and be 3～5 seconds heating time;
During the top relative with folding line, heating-up temperature is 190 °～250 ° on soldering and sealing aluminum plastic film shell, and be 1～5 second heating time;
When the shearing place opening to said wireway sealed, heating-up temperature was 190 °～250 °, and be 1～3 second heating time.
9. lithium ion battery manufacturing approach according to claim 6; It is characterized in that; The anode ear of said electric core and negative electrode lug are positioned over edge, said aluminum plastic film shell the same side, and said wireway is arranged on the other end of said relatively anode ear and negative electrode lug in the said aluminum plastic film shell.
10. lithium ion battery manufacturing approach according to claim 9 is characterized in that, said wireway is the pp pipeline of diameter 0.1～5mm, length 10～40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010597428.0A CN102569872B (en) | 2010-12-15 | 2010-12-15 | Lithium ion battery and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010597428.0A CN102569872B (en) | 2010-12-15 | 2010-12-15 | Lithium ion battery and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102569872A true CN102569872A (en) | 2012-07-11 |
| CN102569872B CN102569872B (en) | 2014-07-09 |
Family
ID=46414736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010597428.0A Expired - Fee Related CN102569872B (en) | 2010-12-15 | 2010-12-15 | Lithium ion battery and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102569872B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261949A (en) * | 2020-01-22 | 2020-06-09 | 天津荣盛盟固利新能源科技有限公司 | Manufacturing method of soft package battery |
| CN111276764A (en) * | 2020-01-22 | 2020-06-12 | 天津荣盛盟固利新能源科技有限公司 | Manufacturing method of soft package battery |
| CN111584943A (en) * | 2020-06-15 | 2020-08-25 | 湖北亿纬动力有限公司 | Preparation method of soft package lithium ion battery and soft package lithium ion battery |
| CN114388948A (en) * | 2021-11-30 | 2022-04-22 | 江阴市申美包装材料有限公司 | Aluminum-plastic film for lithium battery packaging and preparation method thereof |
| WO2022095812A1 (en) * | 2020-11-05 | 2022-05-12 | 厦门致力金刚石科技股份有限公司 | Preparation method for flexible lithium battery pack |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118976A (en) * | 2007-08-14 | 2008-02-06 | 深圳市邦凯电子有限公司 | Method for manufacturing soft packed lithium ion battery |
| CN101189746A (en) * | 2005-03-17 | 2008-05-28 | 日本电气株式会社 | Film enclosed electric device and production method therefor |
-
2010
- 2010-12-15 CN CN201010597428.0A patent/CN102569872B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101189746A (en) * | 2005-03-17 | 2008-05-28 | 日本电气株式会社 | Film enclosed electric device and production method therefor |
| CN101118976A (en) * | 2007-08-14 | 2008-02-06 | 深圳市邦凯电子有限公司 | Method for manufacturing soft packed lithium ion battery |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261949A (en) * | 2020-01-22 | 2020-06-09 | 天津荣盛盟固利新能源科技有限公司 | Manufacturing method of soft package battery |
| CN111276764A (en) * | 2020-01-22 | 2020-06-12 | 天津荣盛盟固利新能源科技有限公司 | Manufacturing method of soft package battery |
| CN111261949B (en) * | 2020-01-22 | 2023-08-18 | 天津荣盛盟固利新能源科技有限公司 | Method for manufacturing soft package battery |
| CN111584943A (en) * | 2020-06-15 | 2020-08-25 | 湖北亿纬动力有限公司 | Preparation method of soft package lithium ion battery and soft package lithium ion battery |
| CN111584943B (en) * | 2020-06-15 | 2021-10-26 | 湖北亿纬动力有限公司 | Preparation method of soft package lithium ion battery and soft package lithium ion battery |
| WO2022095812A1 (en) * | 2020-11-05 | 2022-05-12 | 厦门致力金刚石科技股份有限公司 | Preparation method for flexible lithium battery pack |
| CN114388948A (en) * | 2021-11-30 | 2022-04-22 | 江阴市申美包装材料有限公司 | Aluminum-plastic film for lithium battery packaging and preparation method thereof |
| CN114388948B (en) * | 2021-11-30 | 2023-12-15 | 江阴市申美包装材料有限公司 | Aluminum plastic film for lithium battery packaging and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102569872B (en) | 2014-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101533927B (en) | Method for manufacturing lithium ion battery | |
| CN102569872B (en) | Lithium ion battery and manufacturing method thereof | |
| CN101794915B (en) | Lithium ion battery structure and preparation method thereof | |
| CN100395904C (en) | Process and device for cell pole piece pressurization and injection | |
| CN205303595U (en) | Explosion -proof battery module | |
| CN101453002A (en) | Battery and method for preparing the same | |
| CN108417757A (en) | A kind of safety-type lithium battery and preparation method thereof | |
| CN205543089U (en) | Lithium ion battery | |
| CN201528017U (en) | Lithium ion battery structure | |
| CN110828905A (en) | Method for manufacturing lithium ion battery | |
| CN201022081Y (en) | Soft packing lithium secondary battery with secure air chamber | |
| CN113131003A (en) | Packaging process of soft-packaged battery cell | |
| CN109428018A (en) | A kind of lithium battery using Novel pressure relief device | |
| CN206059543U (en) | A kind of waterproof lithium battery | |
| CN201069809Y (en) | A structure of pole lithium ion battery | |
| CN205542912U (en) | Built -in extinguishing device's battery | |
| CN208352371U (en) | Battery core packaging cartridge and lithium battery including the battery core packaging cartridge | |
| CN201378611Y (en) | Maintainable lithium ion battery | |
| CN201181714Y (en) | Battery case and lithium ion battery with the same | |
| CN207398190U (en) | A kind of alkaline battery cathode sealing structure | |
| CN206619620U (en) | A kind of cylindrical battery configuration | |
| CN201699061U (en) | Packaging bag for lithium ion batteries | |
| CN201562697U (en) | High energy safe lithium ion battery metal polymer composite shell | |
| CN108365136B (en) | Battery cell packaging box, lithium battery and battery cell packaging method | |
| CN201319392Y (en) | Flexible packing cylindrical lithium manganese battery structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20181215 |