CN109461850A - A kind of lithium ion battery cover and lithium ion battery - Google Patents
A kind of lithium ion battery cover and lithium ion battery Download PDFInfo
- Publication number
- CN109461850A CN109461850A CN201811075269.0A CN201811075269A CN109461850A CN 109461850 A CN109461850 A CN 109461850A CN 201811075269 A CN201811075269 A CN 201811075269A CN 109461850 A CN109461850 A CN 109461850A
- Authority
- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- extension
- rupture disk
- cover
- 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
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 72
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000004880 explosion Methods 0.000 claims abstract description 38
- 239000011324 bead Substances 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052744 lithium Inorganic materials 0.000 abstract description 5
- 208000032953 Device battery issue Diseases 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion 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
- H01M50/183—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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Abstract
The invention discloses a kind of lithium ion battery cover and lithium ion batteries, are related to technical field of lithium batteries, which includes: top cover；The edge of explosion rupture disk with binding structure, top cover is contained in the binding structure of explosion rupture disk；Sealing ring, sealing ring are coated on the outer edge of explosion rupture disk, and the lower edge of sealing ring extends to form extension to far from top cover direction, and the lower edge of extension is provided with multiple notches；And lower cover, lower cover are welded on the lower section of explosion rupture disk.The lithium ion battery cover extends to form extension in the lower edge of sealing ring, the upper end of battery core pole group is coated in extension, and multiple notches are set in the lower edge of extension, the lower edge of sealing ring is tightly bonded together with battery core pole group, to prevent lithium battery from causing play of the battery core pole group in steel shell due to violent impact in use, so as to cause battery pole ear fracture and cause battery failure.
Description
Technical field
The present invention relates to technical field of lithium batteries, and in particular, to a kind of lithium ion battery cover and lithium ion battery.
Background technique
Column lithium ion battery is because to have high energy density, at low cost, long service life, security reliability height etc. excellent for it
Point is widely used to the fields such as electric car, electric tool, small household appliances at present.In certain use occasions, battery will receive outer
The biggish vibratory impulse power in boundary will lead to battery core pole group and occur in steel shell when battery constantly meets with extraneous vibratory impulse
Play is broken, so as to cause battery failure so as to cause positive and negative tab bending place.
Summary of the invention
The object of the present invention is to provide a kind of lithium ion battery cover and lithium ion batteries, which can
Effectively play of the limitation battery core pole group in steel shell, improves the shock resistance of battery.
To achieve the goals above, on the one hand, embodiments of the present invention provide a kind of lithium ion battery cover, lithium
Ion battery nut cap includes: top cover；The edge of explosion rupture disk with binding structure, top cover is contained in the binding structure of explosion rupture disk
In；Sealing ring, sealing ring are coated on the outer edge of explosion rupture disk, and the lower edge of sealing ring extends to form extension to far from top cover direction
Portion, the lower edge of extension are provided with multiple notches；And lower cover, lower cover are welded on the lower section of explosion rupture disk.
Preferably, it is arc surface or inclined-plane that the cross section of extension, which is the outer surface of equal thickness or extension,；Or extension
The inner surface and the outer surface be inclined-plane.
Preferably, the range of the length of extension is 0.5mm to 2.5mm.
Preferably, the shape of notch is rectangle, triangle or trapezoidal.
Preferably, top cover is welded together with explosion rupture disk by multiple Laser Weldings print, and Laser Welding print includes 3 to 10 and swashs
Luminous point.
Preferably, sealing ring includes orthogonal limiting section and the first support portion, and positioned at the first support portion and is prolonged
The second support portion between extending portion, the angle between the first support portion and the second support portion are greater than 90 ° and less than 180 °, extend
Portion is parallel with limiting section；Limiting section is coated on the outer edge of explosion rupture disk, and the first support zone is in the lower section of binding structure.
Preferably, the inner surface of limiting section is provided with retention bead, and the upper surface of the first support portion is provided with support protrusion,
Binding structure is fastened between retention bead and support protrusion.
Preferably, explosion rupture disk further include middle part to lower recess bottom plate and connect binding structure and bottom plate interconnecting piece,
Interconnecting piece is vertical with binding structure；Lower cover includes outer edge and the lower cover ontology to lower recess；The middle part of bottom plate is to lower concave portion
Divide and welds together with lower cover ontology.
Preferably, lithium ion battery cover further includes the binding structure and interconnecting piece of the outer edge and explosion rupture disk positioned at lower cover
Between dead ring.
On the other hand, embodiments of the present invention additionally provide a kind of lithium ion battery, and lithium ion battery includes battery core
Pole group and any one above-mentioned lithium ion battery cover, the upper end of battery core pole group are coated in extension.
Through the above technical solutions, the lower edge in sealing ring extends to form extension, the upper end of battery core pole group is coated
Multiple notches are set in extension, and in the lower edge of extension, enable the lower edge of sealing ring and battery core pole group close
Ground fits together, to prevent lithium battery from causing battery core pole group altering in steel shell due to violent impact in use
It is dynamic, so as to cause battery pole ear fracture and cause battery failure.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the top view of lithium ion battery cover according to an embodiment of the present invention；
Fig. 2 is the bottom view of lithium ion battery cover according to an embodiment of the present invention；
Fig. 3 is the sectional view in a certain section along Fig. 1 of lithium ion battery cover according to an embodiment of the present invention；
Fig. 4 (a) shows the sectional view in a certain section along Fig. 1 of the sealing ring of one embodiment of the present invention；
Fig. 4 (b) shows the sectional view in a certain section along Fig. 1 of the sealing ring of one embodiment of the present invention；
Fig. 4 (c) shows the sectional view in a certain section along Fig. 1 of the sealing ring of one embodiment of the present invention；
Fig. 4 (d) shows the sectional view in a certain section along Fig. 1 of the sealing ring of one embodiment of the present invention；
Fig. 5 (a) shows the section in a certain section along Fig. 1 of the lithium ion battery cover of one embodiment of the present invention
Figure；
Fig. 5 (b) shows the section in a certain section along Fig. 1 of the lithium ion battery cover of one embodiment of the present invention
Figure；And
Fig. 5 (c) shows the section in a certain section along Fig. 1 of the lithium ion battery cover of one embodiment of the present invention
Figure.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 1 is the top view of lithium ion battery cover according to an embodiment of the present invention, and Fig. 2 is according to the present invention
The bottom view of the lithium ion battery cover of one embodiment；Fig. 3 is lithium-ion battery according to an embodiment of the present invention
The sectional view in a certain section along Fig. 1 of cap.As shown in Figure 1 to Figure 3, in one embodiment of the present invention, one kind is provided
Lithium ion battery cover, lithium ion battery cover may include:
Top cover 1；
Explosion rupture disk 2 with binding structure 21, the edge of top cover 1 are contained in the binding structure 21 of explosion rupture disk 2；
Sealing ring 3, sealing ring 3 are coated on the outer edge of explosion rupture disk 2, and the lower edge of sealing ring 3 prolongs to far from 1 direction of top cover
It stretches to form extension 31, the lower edge of extension 31 is provided with multiple notches 32；And
Lower cover 4, lower cover 4 are welded on the lower section of explosion rupture disk 2.
Top cover 1, explosion rupture disk 2, sealing ring 3 and lower cover 4 for example can be centrosymmetric structure, and four coaxial arrangements.
Top cover 1 can print 6 by multiple Laser Weldings with explosion rupture disk 2 and weld together, and Laser Welding print 6 for example may include 3
To 10 laser points.Laser Welding print 6 can be equally distributed along the edge of top cover 1.Sealing ring 3 can for example pass through sealant
It is bonded together with the outer edge of explosion rupture disk 2.
In one embodiment of the present invention, top cover 1 may include:
The male part convexed to form from 1 middle part of top cover to the side far from explosion rupture disk；
It is coated on the edge part in the binding structure 21 of explosion rupture disk 2.
The edge of the male part of top cover 1 can offer multiple air holes 11, and multiple air holes 11 can be along male part
Edge be evenly spaced on.Though it is shown that the quantity of air hole 11 is 5 in Fig. 2, but those skilled in the art answer
The reason is somebody's turn to do, and the quantity of the air hole 11 of upper cover 1 is not limited to quantity shown in Fig. 3.
Extension 31 is formed in the lower edge of sealing ring 3, battery core pole group can be made to be coated in extension 31, extension
The range of 31 length for example can be set to 0.5mm to 2.5mm.
Fig. 4 (a), Fig. 4 (b), Fig. 4 (c) and Fig. 4 (d) respectively illustrate the edge of the sealing ring of one embodiment of the present invention
The sectional view in a certain section in Fig. 1, as shown in Fig. 4 (a), Fig. 4 (b), Fig. 4 (c) and Fig. 4 (d), in order to improve battery core pole group and
The compactness of sealing ring 3, in one embodiment of the present invention, the outer surface of extension 31 can be set to arc surface or oblique
The inner surface and the outer surface of extension 31 can also be inclined-plane by face.When the cross section of extension 31 is non-equal thickness (or
Say and extension done into skiving processing), it can reduce the hardness of extension 31, to enable sealing ring 3 and battery core pole group more
It is tightly bonded together.
Multiple notches 32, which are arranged, in the lower edge of extension 31 equally can reduce the hardness of extension 31, improve extension 31
Elasticity, so that sealing ring 3 and battery core pole group be enable closely to fit together.Fig. 5 (a), Fig. 5 (b) and Fig. 5 (c)
Respectively illustrate the sectional view in a certain section along Fig. 1 of the lithium ion battery cover of one embodiment of the present invention.Such as figure Fig. 5
(a), shown in Fig. 5 (b) and Fig. 5 (c), in one embodiment of the present invention, the shape of notch 32 for example can be rectangle, three
It is angular or trapezoidal.
Notch 32 can be uniformly distributed along the lower edge of extension 31, the quantity of notch 32 for example can for 2,4 or
Person 6, but be not restricted to that above-mentioned quantity.
As shown in figure 3, in one embodiment of the present invention, sealing ring 3 may include orthogonal 33 He of limiting section
First support portion 34, and the second support portion 35 between the first support portion 34 and extension 31,34 He of the first support portion
Angle between second support portion 35 is greater than 90 ° and less than 180 °, and extension 31 is parallel with limiting section 33；Limiting section 33 is coated on
The outer edge of explosion rupture disk 2, the first support portion 34 are located at the lower section of binding structure 21.
Retention bead 331 can be set in the inner surface of limiting section 33, and branch has can be set in the upper surface of the first support portion 34
Support protrusion 341, binding structure 21 is fastened between retention bead 331 and support protrusion 341.The lower surface of binding structure 21 is supported
It leans against in support protrusion 341.
Explosion rupture disk 2 can also include connection of the middle part to the bottom plate 22 of lower recess and connection binding structure 21 and bottom plate 22
Portion 23, interconnecting piece 23 are vertical with binding structure 21；Lower cover 4 includes outer edge 41 and the lower cover ontology 42 to lower recess；Bottom plate 22
The downward depressed section in middle part weld together with lower cover ontology 42.
In one embodiment of the present invention, lithium ion battery cover can also include positioned at lower cover 4 outer edge 41 with
Dead ring 5 between the binding structure 21 and interconnecting piece 23 of explosion rupture disk 2.
Sealing ring 3 and dead ring 5 for example can be hollow annular solid.Dead ring 5 can centered on symmetrical structure, and and
Sealing ring 3 is coaxially disposed.
In one embodiment of the present invention, a kind of lithium ion battery is additionally provided, lithium ion battery may include battery core
Pole group, any one above-mentioned lithium ion battery cover and the steel shell for coating battery core pole group, the upper end packet of battery core pole group
It overlays in extension 31.
In order to verify above embodiment lithium ion battery shock resistance, the present invention provide following examples:
Embodiment 1
As shown in Fig. 4 (c) and Fig. 5 (b), the lithium ion battery including top cover, explosion rupture disk, sealing ring, lower cover and dead ring
Nut cap, top cover are welded together with explosion rupture disk by 2 Laser Welding prints, and Laser Welding print includes 6 laser points, and Laser Welding print is
Edge along top cover is equally distributed.The length of extension is 1.5mm, and skiving processing is done by inclined-plane in the outer surface of extension,
The lower edge of extension is provided with 2 V-groove mouths.
The lithium ion battery cover is used for 18650 column lithium ion batteries, lithium ion battery fills after completing sealing
Full electricity, stand 1 hour or more, then on a vibration table by lithium ion battery installation, multiple lithium ion batteries are applied 8 hours
Amplitude be ± 0.1mm, vibration frequency be 250Hz vibration.After vibration measure lithium ion battery parameter, multiple lithiums from
The voltage of sub- battery is all larger than or is equal to 4.12V, rises 0.8% before AC internal Resistance relatively vibration.
As shown in Fig. 4 (b) and Fig. 5 (c), the lithium ion battery including top cover, explosion rupture disk, sealing ring, lower cover and dead ring
Nut cap, top cover are welded together with explosion rupture disk by 4 Laser Welding prints, and Laser Welding print includes 5 laser points, and Laser Welding print is
Edge along top cover is equally distributed.The length of extension is 1.8mm, and the outer surface of extension is done at skiving by arc surface
Reason, the lower edge of extension are provided with 2 ladder type notches.
The lithium ion battery cover is used for 18650 column lithium ion batteries, lithium ion battery fills after completing sealing
Full electricity, stand 1 hour or more, then on a vibration table by lithium ion battery installation, multiple lithium ion batteries are applied 8 hours
Amplitude be ± 0.1mm, vibration frequency be 250Hz vibration.After vibration measure lithium ion battery parameter, multiple lithiums from
The voltage of sub- battery is all larger than or is equal to 4.12V, rises 0.5% before AC internal Resistance relatively vibration.
As shown in Fig. 4 (b) and Fig. 5 (c), the lithium ion battery including top cover, explosion rupture disk, sealing ring, lower cover and dead ring
Nut cap, top cover are welded together with explosion rupture disk by 4 Laser Welding prints, and Laser Welding print includes 5 laser points, and Laser Welding print is
Edge along top cover is equally distributed.The length of extension is 1.6mm, and the outer surface of extension is done at skiving by arc surface
Reason, the lower edge of extension are provided with 4 ladder type notches.
The lithium ion battery cover is used for 18650 column lithium ion batteries, lithium ion battery fills after completing sealing
Full electricity, stand 1 hour or more, then on a vibration table by lithium ion battery installation, multiple lithium ion batteries are applied 8 hours
Amplitude be ± 0.1mm, vibration frequency be 250Hz vibration.After vibration measure lithium ion battery parameter, multiple lithiums from
The voltage of sub- battery is all larger than or is equal to 4.12V, rises 0.6% before AC internal Resistance relatively vibration.
By above embodiment, the length by increasing extension enables battery core pole group is more preferably low to be coated on extension
In portion, by doing skiving processing to extension and reducing the hardness of extension in the lower edge setting notch of extension, increase
The elasticity for adding extension enables the sealing ring after lithium ion battery sealing to be tightly bonded together with battery core pole group, with
Prevent lithium battery from causing play of the battery core pole group in steel shell due to violent impact in use, so as to cause battery
The fracture of tab and cause battery failure, improve the shock resistance of lithium ion battery.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.It is further to note that in above-mentioned specific embodiment
Described in each particular technique feature can be combined in any appropriate way in the case of no contradiction, be
Avoid unnecessary repetition, the invention will not be further described in various possible combinations.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of lithium ion battery cover, which is characterized in that the lithium ion battery cover includes:
Top cover；
Explosion rupture disk with binding structure, the edge of the top cover are contained in the binding structure of the explosion rupture disk；
Sealing ring, the sealing ring are coated on the outer edge of the explosion rupture disk, and the lower edge of the sealing ring is to far from the top
Lid direction extends to form extension, and the lower edge of the extension is provided with multiple notches；And
Lower cover, the lower cover are welded on the lower section of the explosion rupture disk.
2. lithium ion battery cover according to claim 1, which is characterized in that the cross section of the extension is uniform thickness
The outer surface of degree or the extension is arc surface or inclined-plane；Or the inner surface and the outer surface of the extension is inclined-plane.
3. lithium ion battery cover according to claim 2, which is characterized in that the range of the length of the extension is
0.5mm to 2.5mm.
4. lithium ion battery cover according to claim 1, which is characterized in that the shape of the notch is rectangle, triangle
Shape is trapezoidal.
5. lithium ion battery cover according to claim 1, which is characterized in that the top cover passes through more with the explosion rupture disk
A Laser Welding print welds together, and the Laser Welding print includes 3 to 10 laser points.
6. lithium ion battery cover according to claim 1, which is characterized in that the sealing ring includes orthogonal limit
Position portion and the first support portion, and the second support portion between first support portion and the extension, described first
Angle between support portion and second support portion is greater than 90 ° and less than 180 °, and the extension is parallel with the limiting section；
The limiting section is coated on the outer edge of the explosion rupture disk, and first support zone is in the lower section of the binding structure.
7. lithium ion battery cover according to claim 6, which is characterized in that the inner surface setting of the limiting section is limited
Position protrusion, the upper surface of first support portion are provided with support protrusion, the binding structure be fastened on the retention bead and
Between the support protrusion.
8. lithium ion battery cover according to claim 1, which is characterized in that the explosion rupture disk further includes middle part to recessed
The interconnecting piece of sunken bottom plate and the connection binding structure and the bottom plate, the interconnecting piece are vertical with the binding structure；
The lower cover includes outer edge and the lower cover ontology to lower recess；The downward depressed section in the middle part of the bottom plate and the lower cover sheet
Body welds together.
9. lithium ion battery cover according to claim 8, which is characterized in that the lithium ion battery cover further includes position
Dead ring between the outer edge of the lower cover and the binding structure and interconnecting piece of the explosion rupture disk.
10. a kind of lithium ion battery, which is characterized in that the lithium ion battery includes battery core pole group and according to claim 1 to 9
Any one of described in lithium ion battery cover, the upper end of battery core pole group is coated in the extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075269.0A CN109461850B (en) | 2018-09-14 | 2018-09-14 | Lithium ion battery cap and lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811075269.0A CN109461850B (en) | 2018-09-14 | 2018-09-14 | Lithium ion battery cap and lithium ion battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109461850A true CN109461850A (en) | 2019-03-12 |
| CN109461850B CN109461850B (en) | 2021-08-20 |
Family
ID=65606694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811075269.0A Active CN109461850B (en) | 2018-09-14 | 2018-09-14 | Lithium ion battery cap and lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109461850B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113328213A (en) * | 2021-04-27 | 2021-08-31 | 宁波超霸能源有限公司 | Method for manufacturing cylindrical lithium battery |
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|---|---|---|---|---|
| CN1599091A (en) * | 2003-09-17 | 2005-03-23 | 索尼株式会社 | Battery |
| KR100882916B1 (en) * | 2007-08-27 | 2009-02-10 | 삼성에스디아이 주식회사 | Secondary battery |
| US20090061310A1 (en) * | 2007-08-27 | 2009-03-05 | Samsung Sdi Co., Ltd. | Secondary battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113328213A (en) * | 2021-04-27 | 2021-08-31 | 宁波超霸能源有限公司 | Method for manufacturing cylindrical lithium battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109461850B (en) | 2021-08-20 |
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Address after: 226200 No.306 Heping South Road, Huilong Town, Qidong City, Nantong City, Jiangsu Province Patentee after: Jiangsu haisida power supply Co.,Ltd. Address before: 226200 No.306 Heping South Road, Huilong Town, Qidong City, Nantong City, Jiangsu Province Patentee before: JIANGSU HIGHSTAR BATTERY MANUFACTURING Co.,Ltd. |