CN108705761A - A kind of flexible battery outer packing aluminum plastic film rushes shell with rushing shell mold tool and aluminum plastic film rushes shell side method - Google Patents
A kind of flexible battery outer packing aluminum plastic film rushes shell with rushing shell mold tool and aluminum plastic film rushes shell side method Download PDFInfo
- Publication number
- CN108705761A CN108705761A CN201810494350.6A CN201810494350A CN108705761A CN 108705761 A CN108705761 A CN 108705761A CN 201810494350 A CN201810494350 A CN 201810494350A CN 108705761 A CN108705761 A CN 108705761A
- Authority
- CN
- China
- Prior art keywords
- plastic film
- aluminum plastic
- shell
- lower cavity
- rushes
- 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.)
- Pending
Links
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 82
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 239000002985 plastic film Substances 0.000 title claims abstract description 82
- 229920006255 plastic film Polymers 0.000 title claims abstract description 82
- 238000012856 packing Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000009966 trimming Methods 0.000 claims abstract description 43
- 238000004080 punching Methods 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 4
- 229920006362 Teflon® Polymers 0.000 description 4
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/30—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
- B29C51/082—Deep drawing or matched-mould forming, i.e. using mechanical means only by shaping between complementary mould parts
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a kind of preparation methods of flexible battery outer packing aluminum plastic film, including such as undershoot shell step：The sanction of aluminum plastic film；The positioning of aluminum plastic film；Aluminum plastic film rushes shell.Compared with prior art, what the present invention was reached has the technical effect that：The cooperation of upper trimming die and lower cavity die, completion rushes shell to aluminum plastic film, and form wave on aluminum plastic film and rush shell, the awave shell that rushes has reserved extruding space to the bending of aluminum plastic film, has been packaged to battery core with treated aluminum plastic film, so that aluminum plastic film does not generate fold to battery in the process of bending, easily rebound does not easily lead to pole piece fold or fracture, and it is battery core size that aluminum plastic film, which rushes shell size, it is left white for battery core edge sealing, does not easily lead to battery and occur the case where damaged leakage in the process of bending.
Description
Technical field
The present invention relates to field of lithium ion battery, relates to a kind of flexible battery outer packing aluminum plastic film and rush shell with rushing shell mold
Tool, further related to a kind of flexible battery outer packing aluminum plastic film rushes shell side method.
Background technology
In recent years, with the rapid advances of electronic technology, more and more electronic equipments towards flexibility and can be worn
The direction worn is developed, currently, development flexible electronic technology it is maximum challenge one of be exactly with adapt to before it is frivolous and flexible
Electrochemical energy storing device.The products such as traditional lithium ion battery, ultracapacitor are rigid, and in bending, folding, are easy to make
It is detached at motor material and collector, influences chemical property, even result in short circuit, serious safety problem occurs, therefore, be
The development of next-generation flexible electronic devices is adapted to, flexible energy storage device becomes research hotspot in recent years.
Lithium ion battery energy density is high, has good cycle performance, and stability is good, is to develop flexible energy storage device most
It is ideal candidate.Conventional lithium ion battery housing material uses aluminum plastic film, and outer packing aluminum plastic film is easy in the process of bending for battery
Fold is generated, is not easy to spring back, lead to battery short circuit or breakage leakage etc. at positive/negative plate fracture, battery open circuit and encapsulation is caused to ask
Topic.
Invention content
The purpose of the present invention is：Against the above deficiency, a kind of flexible battery outer packing aluminum plastic film is provided and rushes shell with rushing shell mold
Tool and aluminum plastic film rush shell side method.
In order to achieve the above objectives, the technical solution adopted by the present invention is：
A kind of flexible battery outer packing aluminum plastic film rushes shell with rushing shell mold tool, and the shell mold tool that rushes includes upper trimming die and recessed
Mould, the upper trimming die are equipped with the punch of convex, and the lower cavity die is equipped with jet-bedding corresponding with punch, and upper trimming die surrounding
Equipped with positioning column, lower cavity die is equipped with locating slot corresponding with positioning column position.
The upper trimming die for rushing shell mold tool and lower cavity die are double punch dies.
The upper trimming die for rushing shell mold tool and lower cavity die are single mode.
Double punch dies are two rows of symmetrically arranged single modes, and centre is left white between 0-100mm.
The width of the upper trimming die upper punch entirety is 0.1-500mm, length 0.1-1000mm.
The width of each punch is 0-50mm, depth 0-50mm, spacing 0-50mm on the upper trimming die.
The depth of the jet-bedding of the lower cavity die is 0-20mm, and spacing is 0-50mm between jet-bedding.
The punch of the upper trimming die and the groove of lower cavity die are rounded corner.
A kind of preparation method of flexible battery outer packing aluminum plastic film, including such as undershoot shell step：Step 1：The sanction of aluminum plastic film
It cuts：Aluminum plastic film is cut according to mold predetermined size size；
Step 2：The positioning of aluminum plastic film：It will be placed on lower cavity die upwards on the inside of the aluminum plastic film cut in above-mentioned steps,
Upper trimming die is overlapped with lower cavity die, is positioned using the positioning column of upper trimming die and the locating slot of lower cavity die；
Step 3：Aluminum plastic film rushes shell：The mold having good positioning is placed on the pneumatic press pressing plate that pressure is 1000kg
Under, starting device punching press, completion rushes shell to aluminum plastic film.
The aluminum plastic film cutting is preferably sized to 160mm*150mm.
Compared with prior art, what the present invention was reached has the technical effect that：The cooperation of upper trimming die and lower cavity die is completed to aluminium
Plastic film rushes shell, and forms wave on aluminum plastic film and rush shell, and the awave shell that rushes has reserved extruding to the bending of aluminum plastic film
Space is packaged battery core with treated aluminum plastic film so that aluminum plastic film does not generate fold to battery in the process of bending, easily
Rebound does not easily lead to pole piece fold or fracture, and it is battery core size that aluminum plastic film, which rushes shell size, is left white for battery core edge sealing, no
It easily leads to battery and occurs the case where damaged leakage in the process of bending.
Description of the drawings
Fig. 1 is the upper trimming die sectional view of double punch dies.
Fig. 2 is the lower cavity die sectional view of double punch dies.
Fig. 3 is the upper trimming die sectional view of single mode.
Fig. 4 is the lower cavity die sectional view of single mode.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment one：
As illustrated in figs. 1 and 2, a kind of flexible battery outer packing aluminum plastic film of the invention rushes shell and has with shell mold is rushed, the punching
Shell mold tool includes upper trimming die 1 and lower cavity die 2, and the upper trimming die 1 is equipped with the punch 3 of convex, the lower cavity die 2 equipped with
3 corresponding jet-bedding 4 of punch, and upper trimming die 1 is surrounded by positioning column 5, it is corresponding with 5 position of positioning column fixed that lower cavity die 2 is equipped with
Position slot 6.
The upper trimming die 1 for rushing shell mold tool and lower cavity die 2 are double punch dies.
Double punch dies are two rows of symmetrically arranged single modes, and centre is left white between 0-100mm.
The whole width of 1 upper punch of the upper trimming die 3 is 0.1-500mm, length 0.1-1000mm.
On the upper trimming die width of each punch 3 be 0-50mm, depth 0-50mm, preferred depth 1-6mm,
Spacing is 0-50mm.
The depth of the jet-bedding 4 of the lower cavity die 2 is 0-20mm, preferred depth 1-6mm, and spacing is 0- between jet-bedding 4
50mm。
The punch 3 of the upper trimming die 1 and the groove 4 of lower cavity die 2 are rounded corner.
The material of above-mentioned upper trimming die 1 and lower cavity die 2 is metal surface plating Teflon, metal is aluminium alloy and stainless steel
At least one therein, preferably aluminum alloy surface plate Teflon.
A kind of preparation method of flexible battery outer packing aluminum plastic film, including such as undershoot shell step：Step 1：The sanction of aluminum plastic film
It cuts：Aluminum plastic film is cut according to mold predetermined size size；
Step 2：The positioning of aluminum plastic film：It will be placed on lower cavity die upwards on the inside of the aluminum plastic film cut in above-mentioned steps,
Upper trimming die is overlapped with lower cavity die, is positioned using the positioning column of upper trimming die and the locating slot of lower cavity die；
Step 3：Aluminum plastic film rushes shell：The mold having good positioning is placed on the pneumatic press pressing plate that pressure is 1000kg
Under, starting device punching press, completion rushes shell to aluminum plastic film.
The aluminum plastic film cutting is preferably sized to 160mm*150mm.
Compared with prior art, what the present invention was reached has the technical effect that：The cooperation of upper trimming die and lower cavity die is completed to aluminium
Plastic film rushes shell, and forms wave on aluminum plastic film and rush shell, and the awave shell that rushes has reserved extruding to the bending of aluminum plastic film
Space is packaged battery core with treated aluminum plastic film so that aluminum plastic film does not generate fold to battery in the process of bending, easily
Rebound does not easily lead to pole piece fold or fracture, and it is battery core size that aluminum plastic film, which rushes shell size, is left white for battery core edge sealing, no
It easily leads to battery and occurs the case where damaged leakage in the process of bending.
Embodiment two：
As described in fig. 3 and fig. 4, a kind of flexible battery outer packing aluminum plastic film of the invention rushes shell and has with shell mold is rushed, the punching
Shell mold tool includes upper trimming die 1 and lower cavity die 2, and the upper trimming die 1 is equipped with the punch 3 of convex, the lower cavity die 2 equipped with
3 corresponding jet-bedding 4 of punch, and upper trimming die 1 is surrounded by positioning column 5, it is corresponding with 5 position of positioning column fixed that lower cavity die 2 is equipped with
Position slot 6.
The upper trimming die 1 for rushing shell mold tool and lower cavity die 2 are single mode.
The whole width of 1 upper punch of the upper trimming die 3 is 0.1-500mm, length 0.1-1000mm.
The width of each punch 3 is 0-50mm, depth 0-50mm, preferred depth 1- on the upper trimming die 1
6mm, spacing 0-50mm.
The depth of the jet-bedding 4 of the lower cavity die 2 is 0-20mm, preferred depth 1-6mm, and spacing is 0- between jet-bedding 4
50mm。
The punch 3 of the upper trimming die 1 and the groove 4 of lower cavity die 2 are rounded corner.
The material of above-mentioned upper trimming die 1 and lower cavity die 2 is metal surface plating Teflon, metal is aluminium alloy and stainless steel
At least one therein, preferably aluminum alloy surface plate Teflon.
A kind of preparation method of flexible battery outer packing aluminum plastic film, including such as undershoot shell step：Step 1：The sanction of aluminum plastic film
It cuts：Aluminum plastic film is cut according to mold predetermined size size；
Step 2：The positioning of aluminum plastic film：It will be placed on lower cavity die upwards on the inside of the aluminum plastic film cut in above-mentioned steps,
Upper trimming die is overlapped with lower cavity die, is positioned using the positioning column of upper trimming die and the locating slot of lower cavity die；
Step 3：Aluminum plastic film rushes shell：The mold having good positioning is placed on the pneumatic press pressing plate that pressure is 1000kg
Under, starting device punching press, completion rushes shell to aluminum plastic film.
The aluminum plastic film cutting is preferably sized to 160mm*150mm.
Compared with prior art, what the present invention was reached has the technical effect that：The cooperation of upper trimming die and lower cavity die is completed to aluminium
Plastic film rushes shell, and forms wave on aluminum plastic film and rush shell, and the awave shell that rushes has reserved extruding to the bending of aluminum plastic film
Space is packaged battery core with treated aluminum plastic film so that aluminum plastic film does not generate fold to battery in the process of bending, easily
Rebound does not easily lead to pole piece fold or fracture, and it is battery core size that aluminum plastic film, which rushes shell size, is left white for battery core edge sealing, no
It easily leads to battery and occurs the case where damaged leakage in the process of bending.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
- Have with shell mold is rushed 1. a kind of flexible battery outer packing aluminum plastic film rushes shell, it is characterised in that：The shell mold tool that rushes includes upper punching Mould and lower cavity die, the upper trimming die be equipped with convex punch, the lower cavity die be equipped with jet-bedding corresponding with punch, and on Punch die is surrounded by positioning column, and lower cavity die is equipped with locating slot corresponding with positioning column position.
- Have with shell mold is rushed 2. a kind of flexible battery outer packing aluminum plastic film according to claim 1 rushes shell, it is characterised in that：Institute It is double punch dies to state the upper trimming die for rushing shell mold tool and lower cavity die.
- 3. a kind of flexible battery outer packing aluminum plastic film according to claim 1 rush shell with rush shell mold tool it is characterized in that：Institute It is single mode to state the upper trimming die for rushing shell mold tool and lower cavity die.
- Have with shell mold is rushed 4. a kind of flexible battery according to claim 2 rushes shell with outer packing aluminum plastic film, it is characterised in that： Double punch dies are two rows of symmetrically arranged single modes, and centre is left white between 0-100mm.
- 5. according to any one a kind of flexible battery outer packing aluminum plastic film in claim 2 to 4 shell is rushed with shell mold is rushed to have, It is characterized in that：The width of the upper trimming die upper punch entirety is 0.1-500mm, length 0.1-1000mm.
- Have with shell mold is rushed 6. a kind of flexible battery outer packing aluminum plastic film according to claim 5 rushes shell, it is characterised in that：Institute The width for stating each punch on upper trimming die is 0-50mm, depth 0-50mm, spacing 0-50mm.
- 7. according to any one a kind of flexible battery outer packing aluminum plastic film in claim 2 to 4 shell is rushed with shell mold is rushed to have, It is characterized in that：The depth of the jet-bedding of the lower cavity die is 0-20mm, and spacing is 0-50mm between jet-bedding.
- 8. according to any one a kind of flexible battery outer packing aluminum plastic film in claim 2 to 4 shell is rushed with shell mold is rushed to have, It is characterized in that：The punch of the upper trimming die and the groove of lower cavity die are rounded corner.
- 9. a kind of flexible battery outer packing aluminum plastic film rushes shell side method, it is characterised in that：Including such as undershoot shell step：Step 1： The cutting of aluminum plastic film：Aluminum plastic film is cut according to mold predetermined size size；Step 2：The positioning of aluminum plastic film：It will be placed on lower cavity die upwards on the inside of the aluminum plastic film cut in above-mentioned steps, upper punching Mould is overlapped with lower cavity die, is positioned using the positioning column of upper trimming die and the locating slot of lower cavity die；Step 3：Aluminum plastic film rushes shell：The mold having good positioning is placed under the pneumatic press pressing plate that pressure is 1000kg, is opened Dynamic equipment punching press, completion rush shell to aluminum plastic film.
- 10. a kind of flexible battery outer packing aluminum plastic film according to claim 9 rushes shell side method, it is characterised in that：It is described Aluminum plastic film cutting is preferably sized to 160mm*150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810494350.6A CN108705761A (en) | 2018-05-22 | 2018-05-22 | A kind of flexible battery outer packing aluminum plastic film rushes shell with rushing shell mold tool and aluminum plastic film rushes shell side method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810494350.6A CN108705761A (en) | 2018-05-22 | 2018-05-22 | A kind of flexible battery outer packing aluminum plastic film rushes shell with rushing shell mold tool and aluminum plastic film rushes shell side method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108705761A true CN108705761A (en) | 2018-10-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810494350.6A Pending CN108705761A (en) | 2018-05-22 | 2018-05-22 | A kind of flexible battery outer packing aluminum plastic film rushes shell with rushing shell mold tool and aluminum plastic film rushes shell side method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108705761A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048036A (en) * | 2019-04-19 | 2019-07-23 | 桑顿新能源科技有限公司 | Reinforcing rib piece and preparation method thereof, battery core and preparation method thereof and soft-package battery |
| CN111703056A (en) * | 2020-05-13 | 2020-09-25 | 宁波信泰机械有限公司 | Composite material battery pack upper cover and preparation method thereof |
| CN113241466A (en) * | 2021-05-11 | 2021-08-10 | 宜春清陶能源科技有限公司 | Packaging process of battery |
| CN114361663A (en) * | 2021-12-04 | 2022-04-15 | 万向一二三股份公司 | Power battery soft package material gentle-inclination double-pit shell punching method and battery thereof |
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| CN201927639U (en) * | 2010-12-17 | 2011-08-10 | 珠海汉格能源科技有限公司 | Aluminium-plastic film forming die of polymer lithium ion battery |
| CN204289626U (en) * | 2014-09-12 | 2015-04-22 | 深圳瑞隆新能源科技有限公司 | A kind of mould improving poly-lithium battery capacity per unit area |
| CN205650687U (en) * | 2016-03-28 | 2016-10-19 | 杭州凯贝奈特科技有限公司 | Bend forming die |
-
2018
- 2018-05-22 CN CN201810494350.6A patent/CN108705761A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201927639U (en) * | 2010-12-17 | 2011-08-10 | 珠海汉格能源科技有限公司 | Aluminium-plastic film forming die of polymer lithium ion battery |
| CN204289626U (en) * | 2014-09-12 | 2015-04-22 | 深圳瑞隆新能源科技有限公司 | A kind of mould improving poly-lithium battery capacity per unit area |
| CN205650687U (en) * | 2016-03-28 | 2016-10-19 | 杭州凯贝奈特科技有限公司 | Bend forming die |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048036A (en) * | 2019-04-19 | 2019-07-23 | 桑顿新能源科技有限公司 | Reinforcing rib piece and preparation method thereof, battery core and preparation method thereof and soft-package battery |
| CN110048036B (en) * | 2019-04-19 | 2024-05-17 | 桑顿新能源科技有限公司 | Reinforcing rib sheet and preparation method thereof, battery cell and preparation method thereof, and soft package battery |
| CN111703056A (en) * | 2020-05-13 | 2020-09-25 | 宁波信泰机械有限公司 | Composite material battery pack upper cover and preparation method thereof |
| CN113241466A (en) * | 2021-05-11 | 2021-08-10 | 宜春清陶能源科技有限公司 | Packaging process of battery |
| CN113241466B (en) * | 2021-05-11 | 2022-07-26 | 宜春清陶能源科技有限公司 | Packaging process of battery |
| CN114361663A (en) * | 2021-12-04 | 2022-04-15 | 万向一二三股份公司 | Power battery soft package material gentle-inclination double-pit shell punching method and battery thereof |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190312 Address after: 215000 3 floors of No. 3 Shengzhao Road, Kunshan Development Zone, Suzhou City, Jiangsu Province Applicant after: Suzhou Qingtao New Energy Technology Co., Ltd. Address before: 215000 Room 1887 Xijiang Road, Kunshan Development Zone, Suzhou City, Jiangsu Province Applicant before: Qing Tao (Kunshan) automation equipment Co., Ltd. |
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Application publication date: 20181026 |
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