CN114497829A - Triangular new energy power battery structure and manufacturing method thereof - Google Patents
Triangular new energy power battery structure and manufacturing method thereof Download PDFInfo
- Publication number
- CN114497829A CN114497829A CN202210052751.2A CN202210052751A CN114497829A CN 114497829 A CN114497829 A CN 114497829A CN 202210052751 A CN202210052751 A CN 202210052751A CN 114497829 A CN114497829 A CN 114497829A
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- triangular
- explosion
- proof sheet
- accommodating space
- rubber ring
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000011148 porous material Substances 0.000 claims abstract description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 14
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 238000007747 plating Methods 0.000 claims description 11
- 239000011265 semifinished product Substances 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 description 5
- 230000004308 accommodation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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 of a single cell or a single battery
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- 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 of a single cell or a single battery
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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 of a single cell or a single battery
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
Abstract
The invention discloses a triangular new energy power battery structure and a manufacturing method thereof, wherein the triangular new energy power battery structure comprises a barrel, a battery cell, a rubber ring, an explosion-proof sheet, a top cover, a pore plate and a gasket; the cylinder body is a triangular cylinder body, and is provided with an accommodating space with an upward opening, and the accommodating space is in a triangular column shape; the battery cell is matched with the containing space and is embedded in the containing space; the rubber ring is triangular and is matched with the opening of the accommodating space, the rubber ring seals the opening of the accommodating space, a concave cavity is concavely arranged on the surface of the rubber ring, the concave cavity is triangular, and a through hole communicated with the accommodating space is formed in the bottom surface of the concave cavity; through the power battery who constitutes triangle-shaped by barrel, electric core, rubber ring, explosion-proof piece, top cap, orifice plate and gasket, its overall structure is firm to arrange and can practice thrift more than 30% space than the circular shape new forms of energy battery in the battery box, increased the power storage volume of battery box, satisfy the needs that use.
Description
Technical Field
The invention relates to the technical field of power batteries, in particular to a triangular new energy power battery structure and a manufacturing method thereof.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The new energy automobile comprises four types of Hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), Fuel Cell Electric Vehicles (FCEV), other new energy (such as efficient energy storage devices like super capacitors and flywheels) automobiles and the like. Unconventional automotive fuels refer to fuels other than gasoline, diesel.
The power battery pack is a power source spring of the new energy automobile, and the electric energy provided by the power battery pack drives the motor to drive the new energy automobile to run. At present, a power battery pack is composed of a battery box and a plurality of power batteries arranged in the battery box, and the power batteries are connected in series or in parallel.
However, the power batteries in the prior art are all cylindrical, and occupy a large space of the battery box, so that the power storage capacity of the battery box is small, and the use requirement cannot be met. Therefore, there is a need to develop a solution to the above problems.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and a main object of the present invention is to provide a triangular new energy power battery structure and a manufacturing method thereof, which can effectively solve the problem that the power batteries are all cylindrical, which occupies a large space of a battery box, and thus the power storage capacity of the battery box is small.
In order to achieve the purpose, the invention adopts the following technical scheme:
a triangular new energy power battery structure comprises a barrel, a battery cell, a rubber ring, an explosion-proof sheet, a top cover, a pore plate and a gasket; the cylinder body is a triangular cylinder body, and is provided with an accommodating space with an upward opening, and the accommodating space is in a triangular column shape; the battery cell is matched with the containing space and is embedded in the containing space; the rubber ring is triangular and is matched with the opening of the accommodating space, the rubber ring seals the opening of the accommodating space, a concave cavity is concavely arranged on the surface of the rubber ring, the concave cavity is triangular, and a through hole communicated with the accommodating space is formed in the bottom surface of the concave cavity; the explosion-proof sheet is triangular and is embedded in the concave cavity for fixing; the top cover is triangular, and is superposed on the upper surface of the explosion-proof sheet and is riveted and fixed with the explosion-proof sheet; the pore plate is stacked on the lower surface of the explosion-proof sheet and extends into the accommodating space through the through hole; the gasket is clamped between the explosion-proof sheet and the orifice plate.
Preferably, the cylinder is an integral stretching shell structure, and a first nickel plating layer is formed on the surface of the cylinder.
Preferably, the explosion-proof sheet integrated semi-stretching structure is provided with a second nickel plating layer on the surface.
Preferably, the top cover integrated type semi-stretching structure is provided with a third nickel plating layer on the surface.
As a preferable scheme, a concave position is concavely arranged on the surface of the explosion-proof sheet, the concave position is triangular, the top cover is embedded in the concave position, and the periphery of the explosion-proof sheet and the periphery of the top cover are riveted and fixed.
Preferably, the bottom surface of the concave position is concave downwards to form a circular groove, the surface of the top cover is convex upwards to form a circular boss, and the circular boss is positioned right above the circular groove.
As a preferred scheme, the through hole is a round hole and is positioned in the center of the bottom surface of the concave cavity, and the outer contours of the pore plate and the outer contour of the gasket are both circular.
As a preferable scheme, a limit ring is convexly arranged on the periphery of the orifice plate, the limit ring is fixed on the edge of the upper side of the through hole in a propping manner, the gasket is annular, a ring body extends downwards from the inner edge of the gasket, and the ring body props against the inner side wall surface of the limit ring.
As a preferred scheme, a plurality of slotted holes are arranged at intervals on the periphery of the pore plate, and the limiting ring is positioned on the periphery of the slotted holes.
A manufacturing method of the triangular new energy power battery structure comprises the following steps:
(1) firstly, manufacturing and preparing a cylinder body, a battery cell, a rubber ring, an explosion-proof sheet, a top cover, a pore plate and a gasket;
(2) adopting a first automatic machine to carry out edge sealing, riveting and arc welding on the top cover and the explosion-proof sheet to be fixed together to form an edge-sealed semi-finished product;
(3) the edge sealing semi-finished product, the gasket and the pore plate are overlapped and assembled together by adopting a second automatic machine and are fixedly installed in the rubber ring through spot welding to form a sealing cover assembly;
(4) carrying out internal resistance test on the sealing cover assembly, and carrying out subsequent assembly after the test is qualified;
(5) and sequentially placing the battery cell and the sealing cover assembly into the accommodating space of the barrel by adopting a third automatic machine to obtain a finished product.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
through the power battery who constitutes triangle-shaped by barrel, electric core, rubber ring, explosion-proof piece, top cap, orifice plate and gasket, its overall structure is firm to arrange and can practice thrift more than 30% space than the circular shape new forms of energy battery in the battery box, increased the power storage volume of battery box, satisfy the needs that use.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of the preferred embodiment of the present invention;
FIG. 2 is an exploded view of the preferred embodiment of the present invention;
FIG. 3 is a cross-sectional view of a preferred embodiment of the present invention;
FIG. 4 is a top view of the preferred embodiment of the present invention in use.
The attached drawings indicate the following:
10. barrel 11 and accommodating space
12. First nickel plating layer 20 and battery cell
30. Rubber ring 31, concave cavity
32. Through hole 40, explosion-proof piece
41. Second nickel plating layer 42, concave position
43. Circular groove 50, top cover
51. Third nickel-plated layer 52, circular boss
53. Perforation 60, perforated plate
61. Limit ring 62, slot
70. Gasket 71, ring body
80. A battery box.
Detailed Description
Referring to fig. 1 to 4, a specific structure of a triangular new energy power battery structure according to a preferred embodiment of the present invention is shown, which includes a barrel 10, a battery cell 20, a rubber ring 30, an explosion-proof sheet 40, a top cover 50, a hole plate 60, and a gasket 70.
The cylinder 10 is a triangular cylinder, the cylinder 10 has an accommodating space 11 with an upward opening, and the accommodating space 11 is triangular column-shaped; in this embodiment, the cylinder 10 is an integral stretching casing structure, the first nickel plating layer 12 is formed on the surface of the cylinder, and each corner of the cylinder 10 is a round corner.
This electricity core 20 and accommodation space 11 looks adaptation and inlay in accommodation space 11.
The rubber ring 30 is triangular and is matched with the opening of the accommodating space 11, the rubber ring 30 seals the opening of the accommodating space 11, a concave cavity 31 is concavely arranged on the surface of the rubber ring 30, the concave cavity 31 is triangular, and a through hole 32 communicated with the accommodating space 11 is arranged on the bottom surface of the concave cavity 31; in this embodiment, the through hole 32 is a circular hole, and the through hole 32 is located at the center of the bottom surface of the cavity 31.
The explosion-proof sheet 40 is triangular and is embedded in the concave cavity 31 for fixing; the top cover 50 is triangular, and the top cover 50 is superposed on the upper surface of the explosion-proof sheet 40 and is riveted and fixed with the explosion-proof sheet 40; in the embodiment, the surface of the explosion-proof sheet 40 is formed with a second nickel plating layer 41, and the surface of the explosion-proof sheet 40 is concavely provided with a concave 42, the concave 42 is triangular, and the bottom surface of the concave 42 is concavely provided with a circular groove 43; the surface of the integrated half-stretching structure of the top cover 50 is provided with a third nickel plating layer 51, the top cover 50 is embedded in the concave position 42, the periphery of the explosion-proof sheet 40 and the periphery of the top cover 50 are riveted and fixed, the surface of the top cover 50 is provided with a circular boss 52 protruding upwards, the circular boss 52 is positioned right above the circular groove 43, and the periphery of the circular boss 52 is provided with a plurality of through holes 53.
The orifice plate 60 is stacked on the lower surface of the explosion-proof sheet 40 and extends into the accommodating space 11 through the through hole 32; the gasket 70 is sandwiched between the rupture disk 40 and the orifice plate 60. In the present embodiment, the outer contours of the orifice plate 60 and the spacer 70 are both circular; a limiting ring 61 is convexly arranged on the periphery of the pore plate 60, the limiting ring 61 is fixed by abutting against the upper side edge of the through hole 32, a plurality of slotted holes 62 which are arranged at intervals are formed on the periphery of the pore plate 60, and the limiting ring 61 is positioned on the periphery of the slotted holes 62; the gasket 70 is ring-shaped, and an annular body 71 extends downward from an inner edge of the gasket, and the annular body 71 abuts against an inner side wall surface of the limiting ring 61.
The invention also discloses a manufacturing method of the triangular new energy power battery structure, which comprises the following steps:
(1) the barrel 10, the cell 20, the rubber ring 30, the explosion-proof sheet 40, the top cover 50, the orifice plate 60 and the gasket 70 are manufactured and prepared.
(2) And (3) adopting a first automatic machine to seal, rivet and arc-weld the top cover 50 and the explosion-proof sheet 40 together to form a sealed semi-finished product.
(3) And (3) overlapping and assembling the edge sealing semi-finished product, the gasket 70 and the pore plate 60 together by using a second automatic machine, and fixedly installing the edge sealing semi-finished product, the gasket 70 and the pore plate 60 into the rubber ring 30 through spot welding to form a sealing cover assembly.
(4) And carrying out internal resistance test on the sealing cover assembly, and carrying out subsequent assembly after the test is qualified.
(5) And (3) sequentially placing the battery cell 20 and the seal cover assembly into the accommodating space 11 of the cylinder body 10 by adopting a third automatic machine to obtain a finished product.
When the battery box is used, as shown in fig. 4, the finished products are arranged in the battery box 80, the battery boxes 80 with the same volume can contain 80 batteries, and the circular new energy power batteries can only contain 48 batteries, so that the product can save more than 30% of space compared with the circular new energy power batteries, and the electric storage capacity of the battery box 80 is increased.
The design of the invention is characterized in that: through the power battery who constitutes triangle-shaped by barrel, electric core, rubber ring, explosion-proof piece, top cap, orifice plate and gasket, its overall structure is firm to arrange and can practice thrift more than 30% space than the circular shape new forms of energy battery in the battery box, increased the power storage volume of battery box, satisfy the needs that use.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (8)
1. The utility model provides a triangle-shaped new forms of energy power battery structure which characterized in that: comprises a cylinder body, a battery core, a rubber ring, an explosion-proof sheet, a top cover, a pore plate and a gasket; the cylinder body is a triangular cylinder body, and is provided with an accommodating space with an upward opening, and the accommodating space is in a triangular column shape; the battery cell is matched with the containing space and is embedded in the containing space; the rubber ring is triangular and is matched with the opening of the accommodating space, the rubber ring seals the opening of the accommodating space, a concave cavity is concavely arranged on the surface of the rubber ring, the concave cavity is triangular, and a through hole communicated with the accommodating space is formed in the bottom surface of the concave cavity; the explosion-proof sheet is triangular and is embedded in the concave cavity for fixing; the top cover is triangular, and is superposed on the upper surface of the explosion-proof sheet and is riveted and fixed with the explosion-proof sheet; the pore plate is stacked on the lower surface of the explosion-proof sheet and extends into the accommodating space through the through hole; the gasket is clamped between the explosion-proof sheet and the pore plate; the cylinder is of an integrated stretching shell structure, and a first nickel plating layer is formed on the surface of the cylinder; and a second nickel plating layer is formed on the surface of the explosion-proof sheet integrated semi-stretching structure.
2. The triangular new energy power battery structure of claim 1, wherein: and a third nickel plating layer is formed on the surface of the top cover integrated semi-stretching structure.
3. The triangular new energy power battery structure of claim 1, wherein: the surface of the explosion-proof sheet is concavely provided with a concave position which is triangular, the top cover is embedded in the concave position, and the periphery of the explosion-proof sheet and the periphery of the top cover are riveted and fixed.
4. The triangular new energy power battery structure of claim 3, wherein: the bottom surface of the concave position is concavely provided with a circular groove, the surface of the top cover is upwards protruded to form a circular boss, and the circular boss is positioned right above the circular groove.
5. The triangular new energy power battery structure of claim 1, wherein: the through hole is a round hole and is positioned in the center of the bottom surface of the concave cavity, and the outline of the pore plate and the outline of the gasket are both circular.
6. The triangular new energy power battery structure of claim 1, wherein: the periphery of the pore plate is convexly provided with a limiting ring which is fixed by abutting against the upper side edge of the through hole, the gasket is annular, the inner side edge of the gasket extends downwards to form a ring body, and the ring body abuts against the inner side wall surface of the limiting ring.
7. The triangular new energy power battery structure of claim 6, wherein: the periphery of orifice plate is seted up a plurality of slotted holes of arranging at intervals, and this spacing ring is located the periphery of a plurality of slotted holes.
8. The manufacturing method of the triangular new energy power battery structure according to any one of claims 1 to 7, characterized by comprising the following steps: the method comprises the following steps:
(1) firstly, manufacturing and preparing a cylinder body, a battery cell, a rubber ring, an explosion-proof sheet, a top cover, a pore plate and a gasket;
(2) adopting a first automatic machine to carry out edge sealing, riveting and arc welding on the top cover and the explosion-proof sheet to be fixed together to form an edge-sealed semi-finished product;
(3) the edge sealing semi-finished product, the gasket and the pore plate are overlapped and assembled together by adopting a second automatic machine and are fixedly installed in the rubber ring through spot welding to form a sealing cover assembly;
(4) carrying out internal resistance test on the sealing cover assembly, and carrying out subsequent assembly after the test is qualified;
(5) and sequentially placing the battery cell and the sealing cover assembly into the accommodating space of the barrel by adopting a third automatic machine to obtain a finished product.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111635106 | 2021-12-29 | ||
| CN2021116351065 | 2021-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114497829A true CN114497829A (en) | 2022-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210052751.2A Pending CN114497829A (en) | 2021-12-29 | 2022-01-18 | Triangular new energy power battery structure and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114497829A (en) |
Citations (8)
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|---|---|---|---|---|
| DE102009033076A1 (en) * | 2009-07-03 | 2011-01-05 | Volkswagen Ag | Method for arrangement of cylindrical battery cells at battery module for vehicle, involves providing isosceles triangle shape to cross section of battery module, where number of battery cells for battery module, is six |
| CN102332601A (en) * | 2010-12-21 | 2012-01-25 | 东莞新能源科技有限公司 | Cylindrical lithium ion battery |
| CN204991789U (en) * | 2015-06-17 | 2016-01-20 | 山东神戎电子股份有限公司 | Triangle -shaped group battery prevent joining conversely formula battery compartment |
| CN206673036U (en) * | 2017-04-21 | 2017-11-24 | 湖北猛狮新能源科技有限公司 | Triangle overlapping lithium ion battery |
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| CN208116499U (en) * | 2018-04-16 | 2018-11-20 | 福建金杨科技股份有限公司 | A kind of automatic punching production line of battery steel shell |
| CN109449326A (en) * | 2018-12-06 | 2019-03-08 | 中山市润烨新能源科技有限公司 | A kind of encapsulating structure and its manufacturing method for strengthening circular batteries air-tightness |
| CN112186265A (en) * | 2020-10-13 | 2021-01-05 | 苏州金丝港智能发展股份有限公司 | Special-shaped lithium battery lamination machine and lamination process thereof |
-
2022
- 2022-01-18 CN CN202210052751.2A patent/CN114497829A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009033076A1 (en) * | 2009-07-03 | 2011-01-05 | Volkswagen Ag | Method for arrangement of cylindrical battery cells at battery module for vehicle, involves providing isosceles triangle shape to cross section of battery module, where number of battery cells for battery module, is six |
| CN102332601A (en) * | 2010-12-21 | 2012-01-25 | 东莞新能源科技有限公司 | Cylindrical lithium ion battery |
| CN204991789U (en) * | 2015-06-17 | 2016-01-20 | 山东神戎电子股份有限公司 | Triangle -shaped group battery prevent joining conversely formula battery compartment |
| CN206673036U (en) * | 2017-04-21 | 2017-11-24 | 湖北猛狮新能源科技有限公司 | Triangle overlapping lithium ion battery |
| CN108421872A (en) * | 2018-04-16 | 2018-08-21 | 福建金杨科技股份有限公司 | A kind of battery steel shell method for punching and its automatic assembly line |
| CN208116499U (en) * | 2018-04-16 | 2018-11-20 | 福建金杨科技股份有限公司 | A kind of automatic punching production line of battery steel shell |
| CN109449326A (en) * | 2018-12-06 | 2019-03-08 | 中山市润烨新能源科技有限公司 | A kind of encapsulating structure and its manufacturing method for strengthening circular batteries air-tightness |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20220513 |