CN208873781U - A kind of battery liquid-filling mouth sealing structure and battery - Google Patents
A kind of battery liquid-filling mouth sealing structure and battery Download PDFInfo
- Publication number
- CN208873781U CN208873781U CN201821827382.5U CN201821827382U CN208873781U CN 208873781 U CN208873781 U CN 208873781U CN 201821827382 U CN201821827382 U CN 201821827382U CN 208873781 U CN208873781 U CN 208873781U
- Authority
- CN
- China
- Prior art keywords
- seal
- battery
- injection port
- liquid injection
- filling mouth
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 64
- 238000002347 injection Methods 0.000 claims abstract description 47
- 239000007924 injection Substances 0.000 claims abstract description 47
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 46
- 230000007547 defect Effects 0.000 abstract description 24
- 239000001307 helium Substances 0.000 abstract description 22
- 229910052734 helium Inorganic materials 0.000 abstract description 22
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract description 22
- 238000007689 inspection Methods 0.000 abstract description 19
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 12
- 239000007789 gas Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000565 sealant Substances 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000002207 thermal evaporation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a kind of battery liquid-filling mouth sealing structure and batteries, belong to battery technology field, including first seal and second seal, first seal is arranged in liquid injection port, second seal is covered in liquid injection port, cavity is formed between second seal, steel shell and first seal, cavity is connected to inside the steel shell of battery, and second seal is by being welded to connect in steel shell to seal liquid injection port.The utility model realizes the preliminary sealing to liquid injection port by setting first seal, prevents the helium inside steel shell from revealing completely before second seal welding is completed from liquid injection port.And in second seal welding process, the gas for welding generation can be entered inside steel shell, and gas is avoided to cause welding position the defects of burst point, crackle, stomata occur by welding pool discharge.In addition, if welding position existing defects, helium can be overflowed by defect, and the sealing effect of welding position can be effectively detected in helium inspection.
Description
Technical field
The utility model relates to battery technology field more particularly to a kind of battery liquid-filling mouth sealing structure and batteries.
Background technique
In battery manufacturing process, electrolyte is being injected into battery case by liquid injection port, while injecting a part of helium,
It needs to be put into sealant in liquid injection port after the completion of fluid injection and follow closely to seal liquid injection port, then the welded seal piece on the outside of sealant nail
To form seal cavity, and pass through the sealing effect of helium detection diaphragm seal.
But since sealant nail and liquid injection port are interference fits, sealing performance is preferable, in welding existing for liquid injection port
Dry gas and electrolyte can only be discharged by the relatively high gas of thermogenetic pressure by welding pool, lead to welding region
There is the defects of burst point, crackle, stomata.And when carrying out helium inspection, since the sealing performance of sealant nail and liquid injection port is preferable, helium
Gas can not overflow, and lead to not effectively detect the sealing performance after welding, so that the product of failure welding flows out, deposit
In security risk.
Utility model content
The purpose of this utility model is to provide a kind of battery liquid-filling mouth sealing structure and batteries, to solve in the prior art
Liquid injection port sealing structure caused by the product of diaphragm seal failure welding and failure welding the problem of being easy missing inspection.
As above design, the technical scheme adopted by the utility model is
A kind of battery liquid-filling mouth sealing structure, including first seal and second seal, the first seal are worn
In in the liquid injection port, the second seal is covered in the liquid injection port, the second seal, the steel shell of battery and institute
It states and forms cavity between first seal, the inside of the steel shell is connected to the cavity, and the second seal passes through weldering
It is connected to the steel shell in succession to seal the liquid injection port.
Further, the first seal offers through-hole along the axis direction of the liquid injection port.
Further, the radial section of the through-hole is ellipse or polygon.
Further, there is venthole between the first seal and the inner wall of the liquid injection port.
Further, the first seal is back taper platform structure, cylindrical structure or prismatic structure.
Further, the second seal is made of aluminum material.
Further, the liquid injection port is stepped hole, including the first hole and the second hole, the area of section in first hole be small
Area of section in second hole, the first seal are arranged in first hole, and the second seal is covered on institute
It states on the second hole.
To achieve the above object, present invention also provides a kind of batteries, seal knot including battery liquid-filling mouth described above
Structure.
The utility model has the beneficial effects that
The utility model proposes battery liquid-filling mouth sealing structure, be arranged in liquid injection port by first seal, and electricity
It is connected inside the steel shell in pond with cavity, realizes the preliminary sealing to liquid injection port, prevents the helium inside steel shell in the second sealing
Part welding is revealed before completing from liquid injection port completely.And in second seal welding process, the high temperature of generation is welded, can be made
The dry gas expansion being originally present in cavity, and make electrolyte by thermal evaporation, due to being connected inside steel shell with cavity
It is logical, so that gas can enter inside steel shell, gas is avoided to cause welding position burst point occur by welding pool discharge, split
The defects of line, stomata.In addition, if, the defects of there are burst point, crackle, stomatas for welding position, helium can pass through defect in helium inspection
It overflows, the sealing effect of welding position can be effectively detected, the product of failure welding is avoided to flow out.In addition, the electricity
Pond liquid injection port sealing structure cost of manufacture is lower, simple process, and applicability is wide.
The utility model proposes battery, can be realized avoid the welding position of second seal and steel shell occur burst point,
The defects of stomata, crackle, and can be avoided the product of the missing inspection welding position existing defects in helium inspection.
Detailed description of the invention
Fig. 1 is the cross-sectional view for the battery liquid-filling mouth sealing structure that the utility model embodiment one provides；
Fig. 2 is the cross-sectional view for the battery liquid-filling mouth sealing structure that the utility model embodiment two provides；
Fig. 3 is the cross-sectional view for the battery liquid-filling mouth sealing structure that the utility model embodiment three provides；
Fig. 4 is the cross-sectional view for the battery liquid-filling mouth sealing structure that the utility model embodiment four provides；
Fig. 5 is the cross-sectional view for the battery liquid-filling mouth sealing structure that the utility model embodiment five provides；
Fig. 6 is the cross-sectional view for the battery liquid-filling mouth sealing structure that the utility model embodiment six provides.
In figure:
1, steel shell；
2, first seal；21, through-hole；
3, second seal；31, welding position；
4, venthole；
5, cavity.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
Embodiment one
Fig. 1 is the cross-sectional view of battery liquid-filling mouth sealing structure provided in this embodiment.As shown in Figure 1, the present embodiment provides
A kind of battery liquid-filling mouth sealing structure, including first seal 2 and second seal 3.Wherein, first seal 2 is arranged in
In the liquid injection port of battery, second seal 3 is covered in liquid injection port, second seal 3, the steel shell 1 of battery and first seal 2
Between form cavity 5, be connected to cavity 5 inside steel shell 1, but the helium before the welding of second seal 3, inside steel shell 1
The amount overflowed by cavity 5 is seldom, does not influence subsequent helium inspection.Second seal 3 forms ring by being welded to connect in steel shell 1
Welding position 31 around liquid injection port circumferential direction is to seal liquid injection port.
It by setting first seal 2 and is arranged in liquid injection port, and 1 inside of steel shell of battery is connected with cavity 5, it is real
Now to the preliminary sealing of liquid injection port, prevent the helium inside steel shell 1 complete from liquid injection port before the welding of second seal 3 is completed
Leakage.And in 3 welding process of second seal, the high temperature of generation is welded, the drying gas being originally present in cavity 5 can be made
Body expansion, and make electrolyte by thermal evaporation, since 1 inside of steel shell is connected with cavity 5, so that gas can enter steel shell
Inside 1, gas is avoided to cause welding position 31 the defects of burst point, crackle, stomata occur by welding pool discharge.In addition,
When helium is examined, if the defects of there are burst point, crackle, stomatas for welding position 31, helium can be overflowed by defect, can be to welding position
31 sealing effect is effectively detected, and the product of failure welding is avoided to flow out.In addition, in addition, the battery liquid-filling mouth seals
Cost is relatively low for structure fabrication, simple process, and applicability is wide.
As shown in Figure 1, liquid injection port is stepped hole, including the first hole and the second hole, the cross-sectional area in the first hole is greater than second
The cross-sectional area in hole, in the present embodiment, the cross section in the first hole and the second hole are circle, certainly in other embodiments,
The cross section in the first hole and the second hole can be also polygon or ellipse, and the cross-sectional shape in the first hole and the second hole can not also
Together.
First seal 2 is arranged in the first hole, and first seal 2 offers a through-hole along the axis direction of liquid injection port
21, cavity 5 is connected to by through-hole 21 inside the steel shell 1 of battery, certainly in other embodiments, the quantity of through-hole 21 can be set
It is set to two or more.In addition, in the present embodiment, first seal 2 is sealant nail, and the shape of sealant nail is
Inverted frustum structure, the cross section of through-hole 21 are circle, and certainly in other embodiments, the shape of sealant nail can also be
The cross section of the other structures such as cylindrical structure, prismatic structure, through-hole 21 can also be the shapes such as polygon or ellipse.
Second seal 3 is covered on the second hole to seal liquid injection port, and in the present embodiment, second seal 3 is by aluminum material
Material is made, and second seal 3 is connected to steel shell 1 by laser welding.
The present embodiment additionally provides a kind of battery, including above-mentioned battery liquid-filling mouth sealing structure, can be realized and avoids
There is the defects of burst point, stomata, crackle in the welding position 31 of two sealing elements 3 and steel shell 1, and can be avoided the missing inspection in helium inspection
The product of 31 existing defects of welding position.
Embodiment two
Fig. 2 is the cross-sectional view of battery liquid-filling mouth sealing structure provided in this embodiment.As shown in Fig. 2, the present embodiment provides
Battery liquid-filling mouth sealing structure and the structure of the battery liquid-filling mouth sealing structure in embodiment one it is essentially identical, difference exists
In: do not open up the inside of connection steel shell 1 and the through-hole of cavity 5 in first seal 2, but first seal 2 and liquid injection port
There is a venthole 4 between inner wall, venthole 4 is connected to inside and the cavity 5 of steel shell 1, the cross section of venthole 4 be it is round,
The shapes such as partially circular, polygonal, certainly in other embodiments, the quantity of venthole 4 may also be configured to two or more.And
The present embodiment additionally provides a kind of battery, including above-mentioned battery liquid-filling mouth sealing structure, can be realized and avoids
There is the defects of burst point, stomata, crackle in the welding position 31 of two sealing elements 3 and steel shell 1, and can be avoided the missing inspection in helium inspection
The product of 31 existing defects of welding position.
Embodiment three
Fig. 3 is the cross-sectional view of battery liquid-filling mouth sealing structure provided in this embodiment.As shown in figure 3, the present embodiment provides
Battery liquid-filling mouth sealing structure and the structure of the battery liquid-filling mouth sealing structure in embodiment one it is essentially identical, difference exists
In: also there is a venthole 4, venthole 4 is connected to inside and the sky of steel shell 1 between first seal 2 and the inner wall of liquid injection port
Chamber 5.Wherein, first seal 2 can be back taper platform structure, cylindrical structure, prismatic structure or other irregular knots
Structure.The cross section of venthole 4 is the shapes such as round, partially circular, polygonal, certainly in other embodiments, the quantity of venthole 4
It may also be configured to two or more.
The present embodiment additionally provides a kind of battery, including above-mentioned battery liquid-filling mouth sealing structure, can be realized and avoids
There is the defects of burst point, stomata, crackle in the welding position 31 of two sealing elements 3 and steel shell 1, and can be avoided the missing inspection in helium inspection
The product of 31 existing defects of welding position.
Example IV
Fig. 4 is the cross-sectional view of battery liquid-filling mouth sealing structure provided in this embodiment.As shown in figure 4, the present embodiment provides
Battery liquid-filling mouth sealing structure and the structure of the battery liquid-filling mouth sealing structure in embodiment one it is essentially identical, difference exists
In: liquid injection port is straight hole, and the shape of liquid injection port is ellipse or polygon.
The present embodiment additionally provides a kind of battery, including above-mentioned battery liquid-filling mouth sealing structure, can be realized and avoids
There is the defects of burst point, stomata, crackle in the welding position 31 of two sealing elements 3 and steel shell 1, and can be avoided the missing inspection in helium inspection
The product of 31 existing defects of welding position.
Embodiment five
Fig. 5 is the cross-sectional view of battery liquid-filling mouth sealing structure provided in this embodiment.As shown in figure 5, the present embodiment provides
Battery liquid-filling mouth sealing structure and the structure of the battery liquid-filling mouth sealing structure in embodiment two it is essentially identical, difference exists
In: liquid injection port is straight hole, and the shape of liquid injection port is ellipse or polygon.
The present embodiment additionally provides a kind of battery, including above-mentioned battery liquid-filling mouth sealing structure, can be realized and avoids
There is the defects of burst point, stomata, crackle in the welding position 31 of two sealing elements 3 and steel shell 1, and can be avoided the missing inspection in helium inspection
The product of 31 existing defects of welding position.
Embodiment six
Fig. 6 is the cross-sectional view of battery liquid-filling mouth sealing structure provided in this embodiment.As shown in fig. 6, the present embodiment provides
Battery liquid-filling mouth sealing structure and the structure of the battery liquid-filling mouth sealing structure in embodiment three it is essentially identical, difference exists
In: liquid injection port is straight hole, and the shape of liquid injection port is ellipse or polygon.
The present embodiment additionally provides a kind of battery, including above-mentioned battery liquid-filling mouth sealing structure, can be realized and avoids
There is the defects of burst point, stomata, crackle in the welding position 31 of two sealing elements 3 and steel shell 1, and can be avoided the missing inspection in helium inspection
The product of 31 existing defects of welding position.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (8)
1. a kind of battery liquid-filling mouth sealing structure, which is characterized in that described including first seal (2) and second seal (3)
First seal (2) is arranged in the liquid injection port, and the second seal (3) is covered in the liquid injection port, and described second
Sealing element (3), battery steel shell (1) and the first seal (2) between form cavity (5), the inside of the steel shell (1) connects
It passes through the cavity (5), and the second seal (3) is by being welded to connect in the steel shell (1) to seal the liquid injection port.
2. battery liquid-filling mouth sealing structure according to claim 1, which is characterized in that the first seal (2) is along institute
The axis direction for stating liquid injection port offers through-hole (21).
3. battery liquid-filling mouth sealing structure according to claim 2, which is characterized in that the radial section of the through-hole (21)
For ellipse or polygon.
4. battery liquid-filling mouth sealing structure according to claim 1, which is characterized in that the first seal (2) and institute
Stating between the inner wall of liquid injection port has venthole (4).
5. battery liquid-filling mouth sealing structure according to claim 1, which is characterized in that the first seal (2) is to fall
Frustum structure, cylindrical structure or the prismatic structure set.
6. battery liquid-filling mouth sealing structure according to claim 1, which is characterized in that the second seal (3) is by aluminium
Material is made.
7. battery liquid-filling mouth sealing structure according to claim 1, which is characterized in that the liquid injection port is stepped hole, packet
The first hole and the second hole are included, the area of section in first hole is less than the area of section in second hole, the first seal
(2) it is arranged in first hole, the second seal (3) is covered on second hole.
8. a kind of battery, which is characterized in that including the described in any item battery liquid-filling mouth sealing structures of such as claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821827382.5U CN208873781U (en) | 2018-11-07 | 2018-11-07 | A kind of battery liquid-filling mouth sealing structure and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821827382.5U CN208873781U (en) | 2018-11-07 | 2018-11-07 | A kind of battery liquid-filling mouth sealing structure and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208873781U true CN208873781U (en) | 2019-05-17 |
Family
ID=66471363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821827382.5U Active CN208873781U (en) | 2018-11-07 | 2018-11-07 | A kind of battery liquid-filling mouth sealing structure and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208873781U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310496A (en) * | 2020-04-09 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery monomer, battery pack and device |
| CN112713337A (en) * | 2020-12-25 | 2021-04-27 | 珠海冠宇电池股份有限公司 | Battery shell, welding method thereof and battery |
| WO2022078034A1 (en) * | 2020-10-13 | 2022-04-21 | 江苏时代新能源科技有限公司 | End cover assembly, battery unit, battery, and power consumption device |
| CN115173005A (en) * | 2022-08-22 | 2022-10-11 | 江苏天合储能有限公司 | Sealing nail, battery cell and manufacturing method of battery cell |
| US12034171B2 (en) | 2020-11-09 | 2024-07-09 | Medtronic, Inc. | Energy storage device assemblies |
-
2018
- 2018-11-07 CN CN201821827382.5U patent/CN208873781U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310496A (en) * | 2020-04-09 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery monomer, battery pack and device |
| CN114072958A (en) * | 2020-04-09 | 2022-02-18 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery monomer, battery pack and device |
| CN114072958B (en) * | 2020-04-09 | 2023-08-04 | 宁德时代新能源科技股份有限公司 | End cover assembly, battery cell, battery pack and device |
| WO2022078034A1 (en) * | 2020-10-13 | 2022-04-21 | 江苏时代新能源科技有限公司 | End cover assembly, battery unit, battery, and power consumption device |
| EP4109642A4 (en) * | 2020-10-13 | 2024-01-17 | Jiangsu Contemporary Amperex Technology Limited | End cover assembly, battery unit, battery, and power consumption device |
| US12034171B2 (en) | 2020-11-09 | 2024-07-09 | Medtronic, Inc. | Energy storage device assemblies |
| CN112713337A (en) * | 2020-12-25 | 2021-04-27 | 珠海冠宇电池股份有限公司 | Battery shell, welding method thereof and battery |
| CN115173005A (en) * | 2022-08-22 | 2022-10-11 | 江苏天合储能有限公司 | Sealing nail, battery cell and manufacturing method of battery cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208873781U (en) | A kind of battery liquid-filling mouth sealing structure and battery | |
| CN206710042U (en) | A kind of lithium ion battery helium leak check instrument | |
| CN201540188U (en) | Air-tightness detection tool | |
| CN208921358U (en) | A kind of bonnet hydraulic pressure test fixture | |
| JP5590584B1 (en) | Gas pressure type tire repair sealant bottle | |
| CN205069695U (en) | Sour terminal seal structure prevents to climb | |
| CN204420143U (en) | The safeguard structure of electromagnetic relief valve guide sealing surface | |
| CN210272442U (en) | Middle cover of glue leakage prevention storage battery | |
| CN207530036U (en) | A kind of battery liquid-filling mouth structure | |
| CN209085867U (en) | A kind of pipeline gas leak detecting device | |
| CN105115669B (en) | A kind of cylinder head fuel oil fuel feed hole leak test component and its leak testing process | |
| CN206772508U (en) | A kind of bubble verifying attachment of membrane module | |
| CN210576045U (en) | Sealing structure for high-temperature battery | |
| CN209014264U (en) | Compression testing device in a kind of Novel cylinder body | |
| CN207587821U (en) | A kind of lithium ion power battery explosion protection mechanism | |
| CN206159813U (en) | Gaseous leak protection metallic tank structure | |
| CN210893571U (en) | Alkaline battery sealant sealing performance testing device | |
| CN207730099U (en) | A kind of gas sealing structure of body side wall and baffle | |
| CN204933209U (en) | Gas-water separation device for core physical simulation experiment | |
| CN208474766U (en) | A kind of leak detection formula stainless steel ripple fuel gas conduit | |
| CN206683860U (en) | A kind of blast pipe plugging device | |
| CN111397809A (en) | Method for detecting sealing performance of storage battery terminal bottom glue | |
| CN204964128U (en) | Cylinder head fuel inlet port leak test subassembly | |
| CN207279131U (en) | A kind of high building gas pipeline device of high leakproofness | |
| CN204922315U (en) | Heat exchange tube pressure testing is with interior inflation formula quick -operation joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220113 Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zenergy Battery Technologies Co.,ltd Address before: 523000 Dalang Town, Dongguan, Guangdong province Xiangshan Pine Hill Village Xiangshan Industrial Park Jiayuan Road No. 9 Patentee before: DONGGUAN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: JIANGSU TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN TAFEL NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee after: Jiangsu Zhengli New Energy Battery Technology Co.,Ltd. Country or region after: China Address before: 215500 room 808, No. 1, Southeast Avenue, Changshu high tech Industrial Development Zone, Changshu, Suzhou, Jiangsu Patentee before: Jiangsu Zenergy Battery Technologies Co.,ltd Country or region before: China |