CN102856514A - A cover plate assembly and lithium ion battery containing the cover plate assembly - Google Patents
A cover plate assembly and lithium ion battery containing the cover plate assembly Download PDFInfo
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- CN102856514A CN102856514A CN2011101759379A CN201110175937A CN102856514A CN 102856514 A CN102856514 A CN 102856514A CN 2011101759379 A CN2011101759379 A CN 2011101759379A CN 201110175937 A CN201110175937 A CN 201110175937A CN 102856514 A CN102856514 A CN 102856514A
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- Prior art keywords
- cover plate
- sealing
- plate assembly
- ceramic seal
- seal spare
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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
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or structure
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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
- H01M50/147—Lids or covers
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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
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
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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
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/191—Inorganic material
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/562—Terminals characterised by the material
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
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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
- 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
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides of the cell
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
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- 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
Abstract
The invention provides a cover plate assembly, the cover plate assembly includes a sealing cover plate and an electrode structure insulated from the sealing cover plate, the electrode structure includes a ceramic sealing member and an electrode terminal, the sealing cover plate is used for sealing the casing of the battery; the sealing cover plate has at least one first through hole, the electrode structure is set in the first through hole; the electrode terminal penetrates through the first through hole to lead out the internal current of the battery, the ceramic sealing member is sandwiched between the electrode terminal and the sealing cover plate for insulating and sealing. The invention also provides a lithium ion battery comprising the cover plate assembly. The cover plate assembly provided in the invention has good sealing performance and sealing strength to the lithium ion battery, greatly improves the safety of the battery, and prolongs the service life of the battery.
Description
Technical field
The invention belongs to field of batteries, relate in particular to a kind of cover plate assembly and the lithium ion battery that contains this cover plate assembly.
Background technology
Lithium ion battery becomes the ideal power source that the modern means of communication are used owing to have the advantages such as pollution-free, low-cost, that capacity is high, have extended cycle life.Lithium ion battery is with positive plate, barrier film, negative plate coiling or after being stacked to pole piece, and pole piece is put into the cavity of battery container and cover plate formation, and the inner electrolyte that injects obtains after the steps such as sealing changes into.Therefore, the lithium ion battery cover plate is extremely important to the sealing of battery container, and whether the sealing of cover plate assembly well relates to fail safe, sealing, resistance to ag(e)ing, the insulating properties of battery.
At present, plastic parts sealing and insulation are mainly adopted in the sealing of lithium ion battery, but plastic parts is under long-time immersion the through battery electrolyte, and its compactness and resistance to ag(e)ing reduce greatly, cause that plastic parts is aging, the leakage of seal failure inside battery.In addition, plastic parts is combustible material, so that there is potential safety hazard in battery, also is difficult to its useful life guarantee.
Summary of the invention
The invention solves lithium ion battery of the prior art adopts plastic parts as cover plate assembly battery to be sealed to cause battery to have the technical problem that potential safety hazard, useful life is difficult to guarantee.
The invention provides a kind of cover plate assembly, described cover plate assembly comprises sealing-in cover plate and the electrode structure that insulate with described sealing-in cover plate, and described electrode structure comprises ceramic seal spare and electrode terminal, and the sealing-in cover plate is used for the sealed cell shell; Have at least one first through hole on the sealing-in cover plate, be provided with electrode structure in described the first through hole; Electrode terminal passes the first through hole and draws the inside battery electric current, clamping ceramic seal spare insulated enclosure between electrode terminal and sealing-in cover plate.
The present invention also provides a kind of lithium ion battery, comprises battery case, cover plate assembly and is positioned at battery case and battery core and the electrolyte of cavity that cover plate assembly surrounds; Lead to the first lug and the second lug on the battery core; Described cover plate assembly is cover plate assembly provided by the invention.
The present invention also provides a kind of lithium ion battery, comprise the shell of both ends open, respectively the can both ends open cover plate assembly and be positioned at shell and battery core and the electrolyte of cavity that cover plate surrounds, the two ends of battery core lead to respectively the first lug and the second lug; Described cover plate assembly is cover plate assembly provided by the invention, and the first lug, the second lug are electrically connected with the electrode terminal at two ends respectively.
Cover plate assembly provided by the invention, by adopting ceramic seal spare as insulating material, so that the insulating properties of lithium ion battery provided by the invention and electrolyte resistance corrosivity obviously strengthens, and cover plate assembly of the present invention is non-flammable seal cover board, the fail safe that has greatly improved battery.This cover plate assembly increases greatly to the sealing intensity of battery simultaneously, can effectively avoid battery leakage or electrolyte to receive pollution, therefore can effectively prolong the useful life of lithium ion battery.
Description of drawings
Fig. 1 is the structural representation of the cover plate assembly that provides of the embodiment of the invention one.
Fig. 2 is the structural representation of the cover plate assembly that provides of the embodiment of the invention two.
Fig. 3 is a kind of structural representation of lithium ion battery provided by the invention.
Fig. 4 is the another kind of structural representation of lithium ion battery provided by the invention.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of cover plate assembly, below in conjunction with specific embodiment cover plate assembly of the present invention is described further.
Embodiment one
As shown in Figure 1, described cover plate assembly comprises sealing-in cover plate 3 and the electrode structure 5 that insulate with described sealing-in cover plate 3, and described electrode structure 5 comprises ceramic seal spare 2 and electrode terminal 1, and sealing-in cover plate 3 is used for the sealed cell shell.
Have the first through hole on the sealing-in cover plate 3, the first through hole can be for one or more; Be provided with electrode structure 5 in the first through hole.Among Fig. 3, the number of the first through hole is one on the sealing-in cover plate 3, and the number of corresponding electrode structure also is one.Among Fig. 4, the number of the first through hole is two on the sealing-in cover plate 3, and the number of corresponding electrode structure also is two.
Different two sections of the external diameter that described ceramic seal spare 2 comprises integrative-structure, one section (being designated as first paragraph) 21 that wherein external diameter is less is arranged in the first through hole of sealing-in cover plate 3, and one section (being designated as second segment) 22 that external diameter is larger is connected on the sealing-in cover plate 3.Therefore, the aperture of the first through hole of sealing-in cover plate 3 needs the external diameter coupling with first paragraph 21, and less than the external diameter of second segment 22, thereby guarantee to wear first paragraph 21, second segment 22 is connected on the sealing-in cover plate 3, has good sealing thereby make between sealing-in cover plate 3 and the ceramic seal spare 2.Described ceramic seal spare can directly adopt various insulating ceramicses common in the prior art, for example can be Al
2O
3System's pottery.
Described electrode terminal 1 comprises pole 11 and the polar cap 12 of integrative-structure.Wherein, pole 11 is arranged in the second through hole of ceramic seal spare 2.Polar cap 12 is positioned at an end of pole, is connected on the ceramic seal spare 2.Therefore, the aperture of the second through hole of ceramic seal spare 2 needs and the external diameter coupling of pole 11, and less than the external diameter of polar cap 12, thereby guarantee to wear pole 11, polar cap 12 is connected on the ceramic seal spare 2, has good sealing thereby make between ceramic seal spare 2 and the electrode terminal 1.Among the present invention, described electrode terminal 1 is used for being connected with lug on the battery core, can be connected with positive pole ear, also can be connected with negative lug.If electrode terminal is used for being connected with positive pole ear, then described electrode terminal is fine aluminium or aluminium alloy.If electrode terminal is used for being connected with negative lug, then described electrode terminal is fine copper or copper alloy.Among the present invention, pole 11 and the polar cap 12 of described electrode terminal 1 can obtain by one-body molded, also can adopt welding or cold-heading to make the electrode terminal that forms integrative-structure after making respectively pole 11, polar cap 12 again.
Described sealing-in cover plate 3 is used for being assemblied in the end of battery case, and battery case is sealed.For preventing that sealing-in cover plate 3 from can't in time disperse to cause sealing intensity to reduce or sealing effectiveness reduces being fixedly connected with the mechanical stress that produces in the process with battery case or ceramic seal spare 2, among the present invention, under the preferable case, also be provided with buffer structure 31 on the described sealing-in cover plate 3.Buffer structure 31 is structure as a whole with sealing-in cover plate 3, it is positioned on the sealing-in cover plate 3 near the first through hole, thereby be fixedly connected with in the process with ceramic seal spare 2 and can in time mechanical stress be cushioned and weaken at sealing-in cover plate 3, and can strengthen the bending strength of sealing-in cover plate 3, guarantee the good sealing property of cover plate assembly of the present invention.Described buffer structure 31 can be the step of arch or spill, and for example buffer structure shown in Fig. 1,2 is the arch step.
Described sealing-in cover plate can adopt various cover plate materials common in the prior art, for example can be fine aluminium or aluminium alloy.The shape of described sealing-in cover plate and the form fit of battery for example can for circular, square or rounded square, not have particular determination among the present invention.
Among the present invention, all be fixedly connected with between sealing-in cover plate 3 and the ceramic seal spare 2 and between ceramic seal spare 2 and the electrode terminal 1.Under the preferable case, be provided with the first metal solder layer (not shown in the accompanying drawing) between sealing-in cover plate 3 and the ceramic seal spare 2, be provided with the second metal solder layer (not shown in the accompanying drawing) between ceramic seal spare 2 and the electrode terminal 1.Described the first metal solder layer forms by Welding after ceramic seal spare 2 is metallized again and between the sealing-in cover plate 3.The second metal solder layer forms by Welding after first ceramic seal spare 2 being metallized again and between the electrode terminal 1.
Described Welding repeats no more among the present invention for the welding procedure that those skilled in the art commonly use.Pass through Welding, can will make welding node place and base material to be welded form integrative-structure, it is the structure that is welded into one between sealing-in cover plate 3 and the ceramic seal spare 2 and between ceramic seal spare 2 and the electrode terminal 1, guarantee on the one hand its sealing intensity, reduce on the other hand the interface difference of material, thereby reduce the internal resistance of cover plate assembly, reduce the battery-heating amount.
As those skilled in the art's common practise, because ceramic seal spare 2 is insulator, therefore before welding, need to be metallized in the position to be welded of ceramic seal spare 2.Described metallization can be adopted ceramic surface metallization technique common in the prior art, for example can carry out the manganese molybdenum to ceramic surface.Under the preferable case, ceramic metallization is finished also can proceed the element that nickel plating, zinc, aluminium etc. do not affect welding, to strengthen the mechanical strength of welding position and base material to be welded.
The preparation method of the cover plate assembly of present embodiment comprises: after being metallized in the position to be welded of ceramic seal spare 2, then be inserted in the first through hole of sealing-in cover plate 3, then electrode terminal 1 is inserted in the second through hole of ceramic seal spare 2, then adopt Welding that the first through hole, the second through hole are welded.Perhaps, after first in the first through hole of the metallized ceramic seal spare 2 insertion sealing-in cover plates 3 of general, Welding is carried out in the first through hole, ceramic seal spare 2 is fixedly connected with the sealing-in cover plate, then after electrode terminal 1 being inserted in the second through hole of ceramic seal spare 2, Welding is carried out in the second through hole.After also can be first inserting electrode terminal 1 in the second through hole of metallized ceramic seal spare 2, Welding be carried out in the second through hole; Then ceramic seal spare 2 inserts on the sealing-in cover plate 3 with the integral body of electrode terminal 1, and the first paragraph 21 of ceramic seal spare 2 is inserted in the first through hole of sealing-in cover plate 3, then Welding is carried out in the first through hole.
Embodiment two
As a kind of preferred implementation of the present invention, also can be provided with transition metal ring plate 4 in the described cover plate assembly.As shown in Figure 2, can be provided with transition metal ring plate 4 between the second segment 22 of sealing-in cover plate 3 and ceramic seal spare 2.Ceramic seal spare 2 and polar cap 12 between also can be provided with transition metal ring plate 4.The mechanical stress that described transition metal ring plate produces when being used for buffering or reducing soldering.
Described transition metal ring plate can adopt common various easily and the metal material that welds of copper or copper alloy, aluminum or aluminum alloy, for example can adopt kovar alloy or stainless steel.The maximum outside diameter of transition metal ring plate 4 can be identical with the external diameter of the second segment 22 of ceramic seal spare 2, also can be different, and the present invention does not have particular determination.
More preferably in the situation, the element that nickel plating, zinc, aluminium etc. do not affect welding also can be carried out in transition metal ring plate surface, to strengthen the mechanical strength of welding position and base material to be welded.
The present invention also provides the lithium ion battery that contains described cover plate assembly.
Described lithium ion battery comprises battery case, cover plate assembly and is positioned at battery case and battery core and the electrolyte of cavity that cover plate assembly surrounds; Lead to the first lug and the second lug on the battery core; It is characterized in that described cover plate assembly is cover plate assembly provided by the invention.
As shown in Figure 3, the sealing-in cover plate 3 of the cover plate assembly of described lithium ion battery is provided with two the first through holes, is equipped with electrode structure 5 in two the first through holes.Two electrode structures 5 are electrically connected conducting with the first lug, the second lug respectively.
Described battery core namely by positive plate, barrier film, negative plate through reeling or somely repeatedly repeating the stacked assembly that electric energy is provided that forms.Draw anode ear in the battery core on the positive plate, draw negative electrode lug on the negative plate, anode ear and negative electrode lug are connected by soldering or the like on cover plate sealing-in cover plate and the electrode terminal again.As for the manufacture method of positive plate, negative plate, barrier film, and other technology for manufacturing electric core etc. is conventionally known to one of skill in the art, therefore repeats no more.
Among the present invention, the shell of described lithium ion battery also can be the battery case of both ends open.Particularly, described lithium ion battery, comprise the shell of both ends open, respectively the can both ends open cover plate assembly and be positioned at shell and battery core and the electrolyte of cavity that cover plate surrounds, the two ends of battery core lead to respectively the first lug and the second lug; It is characterized in that described cover plate assembly is cover plate assembly provided by the invention, the first lug, the second lug are electrically connected with the electrode terminal at two ends respectively.
The structure of the cover plate assembly at lithium ion battery two ends is identical, the first lug, the second lug respectively with the cover plate assembly at two ends on electrode terminal be electrically connected conducting, as shown in Figure 4, repeat no more herein.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a cover plate assembly is characterized in that, described cover plate assembly comprises sealing-in cover plate and the electrode structure that insulate with described sealing-in cover plate, and described electrode structure comprises ceramic seal spare and electrode terminal, and the sealing-in cover plate is used for the sealed cell shell;
Have at least one first through hole on the sealing-in cover plate, be provided with electrode structure in described the first through hole;
Electrode terminal passes the first through hole and draws the inside battery electric current, clamping ceramic seal spare insulated enclosure between electrode terminal and the sealing-in cover plate.
2. cover plate assembly according to claim 1 is characterized in that, described ceramic seal spare comprises different two sections of the external diameter of integrative-structure, and wherein less one section of external diameter is arranged in the first through hole of sealing-in cover plate.
3. cover plate assembly according to claim 2 is characterized in that, also is provided with the transition metal ring between larger one section of the external diameter of sealing-in cover plate and ceramic seal spare.
4. cover plate assembly according to claim 1 is characterized in that, ceramic seal spare is provided with the second through hole, and electrode terminal is arranged in described the second through hole.
5. cover plate assembly according to claim 4 is characterized in that, electrode terminal comprises pole and the polar cap of integrative-structure, and polar cap is positioned at an end of pole, and pole is arranged in the second through hole of ceramic seal spare.
6. cover plate assembly according to claim 5 is characterized in that, also is provided with the transition metal ring plate between ceramic seal spare and the polar cap.
7. according to claim 3 or 6 described cover plate assemblies, it is characterized in that the transition metal ring plate is kovar alloy or stainless steel.
8. cover plate assembly according to claim 1 is characterized in that, also is provided with buffer structure near the first through hole on the described sealing-in cover plate, and described buffer structure is arch or concave step.
9. cover plate assembly according to claim 1 is characterized in that, the sealing-in cover plate is fine aluminium or aluminium alloy, and ceramic seal spare is Al
2O
3System's pottery, electrode terminal is fine aluminium or aluminium alloy, fine copper or copper alloy.
10. cover plate assembly according to claim 1, it is characterized in that, be provided with the first metal solder layer between sealing-in cover plate and the ceramic seal spare, described the first metal solder layer forms by Welding again and between the sealing-in cover plate by after ceramic seal spare is metallized;
Be provided with the second metal solder layer between ceramic seal spare and the electrode terminal, described the second metal solder layer forms by Welding again and between the electrode terminal by after ceramic seal spare is metallized.
11. cover plate assembly according to claim 1 is characterized in that, the number of the first through hole on the sealing-in cover plate is two.
12. a lithium ion battery comprises battery case, cover plate assembly and is positioned at battery case and battery core and the electrolyte of cavity that cover plate assembly surrounds; Lead to the first lug and the second lug on the battery core; It is characterized in that described cover plate assembly is each described cover plate assembly of claim 1-11.
13. a lithium ion battery, comprise the shell of both ends open, respectively the can both ends open cover plate assembly and be positioned at shell and battery core and the electrolyte of cavity that cover plate surrounds, the two ends of battery core lead to respectively the first lug and the second lug; It is characterized in that described cover plate assembly is each described cover plate assembly of claim 1-11, the first lug, the second lug are electrically connected with the electrode terminal at two ends respectively.
Priority Applications (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110175937.9A CN102856514B (en) | 2011-06-28 | 2011-06-28 | A cover plate assembly and lithium ion battery containing the cover plate assembly |
| JP2014517423A JP5753317B2 (en) | 2011-06-28 | 2012-06-27 | Cover assembly and battery including the same |
| KR1020147001293A KR101554441B1 (en) | 2011-06-28 | 2012-06-27 | Cover assembly and battery comprising the same |
| EP12804665.3A EP2727166B1 (en) | 2011-06-28 | 2012-06-27 | Cover assembly and battery comprising the same |
| PCT/CN2012/077670 WO2013000415A1 (en) | 2011-06-28 | 2012-06-27 | Electrode terminal, cover assembly and battery comprising the cover assembly |
| PCT/CN2012/077667 WO2013000414A1 (en) | 2011-06-28 | 2012-06-27 | Cover assembly and battery comprising the same |
| KR1020147002229A KR101589838B1 (en) | 2011-06-28 | 2012-06-27 | Electrode terminal, cover assembly and battery comprising the cover assembly |
| EP12803624.1A EP2727174B1 (en) | 2011-06-28 | 2012-06-27 | Electrode terminal, cover assembly and battery comprising the cover assembly |
| JP2014517424A JP5941143B2 (en) | 2011-06-28 | 2012-06-27 | Cover assembly and battery comprising the cover assembly |
| PCT/CN2012/077673 WO2013000416A1 (en) | 2011-06-28 | 2012-06-27 | Cover assembly and lithium ion battery comprising the same |
| US14/134,984 US10109839B2 (en) | 2011-06-28 | 2013-12-19 | Electrode terminal, cover assembly and battery |
| US14/137,696 US10333131B2 (en) | 2011-06-28 | 2013-12-20 | Cover assembly and battery comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110175937.9A CN102856514B (en) | 2011-06-28 | 2011-06-28 | A cover plate assembly and lithium ion battery containing the cover plate assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102856514A true CN102856514A (en) | 2013-01-02 |
| CN102856514B CN102856514B (en) | 2015-07-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110175937.9A Active CN102856514B (en) | 2011-06-28 | 2011-06-28 | A cover plate assembly and lithium ion battery containing the cover plate assembly |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102856514B (en) |
| WO (1) | WO2013000416A1 (en) |
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| CN105789500A (en) * | 2014-12-23 | 2016-07-20 | 比亚迪股份有限公司 | Battery housing and manufacturing method thereof, battery, battery bank, battery pack and electric vehicle |
| CN105789492A (en) * | 2014-12-23 | 2016-07-20 | 比亚迪股份有限公司 | Battery shell, preparation method of battery shell, battery, battery pack and electric car |
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| WO2023092450A1 (en) * | 2021-11-26 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Battery cell and method and apparatus for manufacturing same, battery, and electrical device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104733656A (en) * | 2015-03-10 | 2015-06-24 | 广州力柏电动科技有限公司 | Ceramic sealing battery |
| CN111726951B (en) * | 2020-06-19 | 2022-03-01 | Oppo广东移动通信有限公司 | Electronic device |
| DE102021114887A1 (en) * | 2021-06-09 | 2022-12-15 | Volkswagen Aktiengesellschaft | Battery cell with cover element |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789500A (en) * | 2014-12-23 | 2016-07-20 | 比亚迪股份有限公司 | Battery housing and manufacturing method thereof, battery, battery bank, battery pack and electric vehicle |
| CN105789492A (en) * | 2014-12-23 | 2016-07-20 | 比亚迪股份有限公司 | Battery shell, preparation method of battery shell, battery, battery pack and electric car |
| CN105070949A (en) * | 2015-08-14 | 2015-11-18 | 江苏绿伟锂能有限公司 | Cylindrical lithium-ion battery |
| CN106450068A (en) * | 2016-10-26 | 2017-02-22 | 东莞市盖瓷新能源科技有限公司 | Power battery polar column ceramic sealing device and sealing achieving method |
| CN106450068B (en) * | 2016-10-26 | 2023-01-24 | 东莞市盖瓷新能源科技有限公司 | Power battery pole ceramic sealing device and sealing implementation method |
| CN107275529A (en) * | 2017-06-12 | 2017-10-20 | 广东康荣高科新材料股份有限公司 | A kind of negative electrode of lithium ion battery post sealing structure and its preparation technology |
| CN107275529B (en) * | 2017-06-12 | 2020-10-27 | 广东康荣高科新材料股份有限公司 | Lithium ion battery cathode pole sealing structure and preparation process thereof |
| CN112599901A (en) * | 2020-12-16 | 2021-04-02 | 惠州市德能电池有限公司 | Ceramic insulating sheet, button cell and packaging method thereof |
| CN112599902A (en) * | 2020-12-16 | 2021-04-02 | 惠州市德能电池有限公司 | Packaging structure, button cell and packaging method thereof |
| WO2023092450A1 (en) * | 2021-11-26 | 2023-06-01 | 宁德时代新能源科技股份有限公司 | Battery cell and method and apparatus for manufacturing same, battery, and electrical device |
| CN115621676A (en) * | 2022-12-19 | 2023-01-17 | 比亚迪股份有限公司 | Compound utmost point post, end plate subassembly, battery and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102856514B (en) | 2015-07-22 |
| WO2013000416A1 (en) | 2013-01-03 |
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