CN106058086A - Cylindrical cathode cover for lithium ion battery riveting structure - Google Patents
Cylindrical cathode cover for lithium ion battery riveting structure Download PDFInfo
- Publication number
- CN106058086A CN106058086A CN201610557559.3A CN201610557559A CN106058086A CN 106058086 A CN106058086 A CN 106058086A CN 201610557559 A CN201610557559 A CN 201610557559A CN 106058086 A CN106058086 A CN 106058086A
- Authority
- CN
- China
- Prior art keywords
- aluminium sheet
- rivet
- contact terminal
- cathode cover
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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 of a single cell or a single battery
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- 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
-
- 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
-
- 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 discloses a cylindrical cathode cover for a lithium ion battery riveting structure. The cylindrical cathode cover comprises electrode contact terminals, aluminum plates, a cathode cover body and a seal fitting group, wherein the electrode contact terminals are fixedly connected with the seal fitting group; the aluminum plates are fixedly connected to the cathode cover body through the seal fitting group; the electrode contact terminals, the aluminum plates and the seal fitting group are symmetrically arranged on two end parts of the cathode cover body. The cylindrical cathode cover provided by the invention is simple in structure; the aluminum plates and injection molded sealing parts are integrally connected in an injection molding manner and can be considered as a whole; all fittings are sequentially connected in series through rivets in a stamping riveting manner; the rivets, a connecting piece, O-shaped seal rings, the injection molded sealing parts, the aluminum plates and the electrode contact terminals are sequentially riveted on a cathode cover plate from bottom up; the cylindrical cathode cover comprises a few of fittings; the riveting structure is not complicated and solid; meanwhile, most of fittings are stamping parts and are convenient to process and low in cost.
Description
Technical field
The invention belongs to lithium battery field of general technology, be specifically related to a kind of cylindrical lithium ion battery riveted structure negative pole
Lid.
Background technology
Along with developing rapidly of lithium ion battery industry, the market competition is more and more fierce, is reaching the premise of equal quality
Under, reduce the input of battery cost, only constantly develop new technology.Electrokinetic cell is in vehicle operation, it is desirable to electricity
Pond heating is little, and power is high, simultaneously jolting and under the various uncertain factors such as collision, keeping battery performance in running
Stable, it is necessary to ensure the firm of battery structure；Under market environment, low cost, high efficiency battery will become future market
Main flow.
Summary of the invention
Present invention aims to the deficiencies in the prior art, a kind of simple in construction of existing offer, easy to process, design conjunction
A kind of cylindrical lithium ion battery riveted structure negative cover of reason.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of cylindrical lithium ion battery riveting knot
Structure negative cover, its innovative point is: include contact terminal, aluminium sheet, negative cover body and seal fitting group, and described electrode connects
Contravention is fixedly connected with seal fitting group, and described aluminium sheet is fixedly connected on negative cover body by seal fitting group,
Described contact terminal, aluminium sheet and seal fitting group are symmetricly set on both ends depending on negative cover body；
Described seal fitting group sequentially consists of rivet, connects sheet, O RunddichtringO and molded seals, on described aluminium sheet
Being provided with a seal groove, described seal groove carries out sealing by molded seals fills, and described rivet is additionally provided with an O type close
Seal, described connection sheet is arranged on the bottom of molded seals, described rivet run through connection sheet, molded seals, aluminium sheet and
Contact terminal, is connected and sealed connection sheet, molded seals, aluminium sheet and contact terminal.
Further, the outer surface of described connection sheet and rivet is provided with nickel coating.
Further, described contact terminal, aluminium sheet are pure aluminum materials, and described connection sheet and rivet are electrolysis red copper materials
Material, described molded seals material is PFA, and described O RunddichtringO is EPDM material.
Beneficial effects of the present invention is as follows: present configuration is simple, and aluminium sheet is that integral molded plastic is connected with molded seals, can
It is considered as an entirety；All accessories are cascaded by rivet successively, carry out stamping riveting.The riveting of negative pole cover plate depends on from bottom to up
Secondary for rivet, connect sheet, O RunddichtringO, molded seals, aluminium sheet and contact terminal, all accessories are few, riveted structure
Uncomplicated, sound construction；Overwhelming majority accessory is stamping parts simultaneously, and easy to process, cost is cheap.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
As it is shown in figure 1, a kind of cylindrical lithium ion battery riveted structure negative cover, including contact terminal 1, aluminium sheet 3,
Negative cover body and seal fitting group, contact terminal 1 is fixedly connected with seal fitting group, and aluminium sheet 3 is joined by sealing
Part group is fixedly connected on negative cover body, and contact terminal 1, aluminium sheet 3 and seal fitting group are symmetricly set on negative cover originally
Both ends depending on body；
Seal fitting group sequentially consists of rivet 7, connects sheet 4, O RunddichtringO 5 and molded seals 2, and aluminium sheet 3 is arranged
Having a seal groove 6, seal groove 6 carries out sealing by molded seals 2 fills, and rivet 7 is additionally provided with an O RunddichtringO 5, even
Contact pin 4 is arranged on the bottom of molded seals 2, and rivet 7 runs through connection sheet 4, molded seals 2, aluminium sheet 3 and electrode tips
Son 1, is connected and sealed connection sheet 4, molded seals 2, aluminium sheet 3 and contact terminal 1.
The outer surface connecting sheet 4 and rivet 7 is provided with nickel coating, and contact terminal 1, aluminium sheet 3 are pure aluminum materials, even
Contact pin 4 and rivet 7 be electrolysis red copper material, molded seals 2 material be PFA, O RunddichtringO 5 be EPDM material.
Operation principle: rivet 7 is placed in bottom, packs into connection sheet 4, O RunddichtringO 5, the aluminium sheet being molded successively
3 and molded seals 2 and contact terminal 1, all seal fitting group frocks are fixed, swollen by extruding rivet 7
Swollen, fix other accessory, to finally giving rivet arrangement negative pole cover plate.
Present configuration is simple, and aluminium sheet 3 is that integral molded plastic is connected with molded seals 2, can be considered an entirety；Rivet 7
Successively all accessories are cascaded, carry out stamping riveting.The riveting of negative pole cover plate sequentially consists of rivet 7, connects sheet
4, O RunddichtringO 5, molded seals 2, aluminium sheet 3 and contact terminal 1, all accessories are few, and riveted structure is uncomplicated, knot
Structure is firm；Overwhelming majority accessory is stamping parts simultaneously, and easy to process, cost is cheap.
Above-described embodiment is presently preferred embodiments of the present invention, is not the restriction to technical solution of the present invention, as long as
The technical scheme that can realize on the basis of above-described embodiment without creative work, is regarded as falling into patent of the present invention
Rights protection in the range of.
Claims (3)
1. a cylindrical lithium ion battery riveted structure negative cover, it is characterised in that: include contact terminal, aluminium sheet, bear
Polar cap body and seal fitting group, described contact terminal is fixedly connected with seal fitting group, and described aluminium sheet is by close
Envelope accessory group is fixedly connected on negative cover body, and described contact terminal, aluminium sheet and seal fitting group are symmetricly set on negative
Both ends depending on polar cap body；
Described seal fitting group sequentially consists of rivet, connects sheet, O RunddichtringO and molded seals, on described aluminium sheet
Being provided with a seal groove, described seal groove carries out sealing by molded seals fills, and described rivet is additionally provided with an O type close
Seal, described connection sheet is arranged on the bottom of molded seals, described rivet run through connection sheet, molded seals, aluminium sheet and
Contact terminal, is connected and sealed connection sheet, molded seals, aluminium sheet and contact terminal.
A kind of cylindrical lithium ion battery riveted structure negative cover the most according to claim 1, it is characterised in that: described company
The outer surface of contact pin and rivet is provided with nickel coating.
A kind of cylindrical lithium ion battery riveted structure negative cover the most according to claim 1, it is characterised in that: described electricity
Pole contact terminal, aluminium sheet are pure aluminum materials, and described connection sheet and rivet are electrolysis red copper materials, and described molded seals material is
PFA, described O RunddichtringO is EPDM material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610557559.3A CN106058086A (en) | 2016-07-15 | 2016-07-15 | Cylindrical cathode cover for lithium ion battery riveting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610557559.3A CN106058086A (en) | 2016-07-15 | 2016-07-15 | Cylindrical cathode cover for lithium ion battery riveting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106058086A true CN106058086A (en) | 2016-10-26 |
Family
ID=57188177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610557559.3A Pending CN106058086A (en) | 2016-07-15 | 2016-07-15 | Cylindrical cathode cover for lithium ion battery riveting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106058086A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601939A (en) * | 2016-12-28 | 2017-04-26 | 中天储能科技有限公司 | Square pure aluminum structure cover plate of lithium ion battery |
| CN115275532A (en) * | 2022-09-30 | 2022-11-01 | 宁波震裕科技股份有限公司 | Manufacturing method of top cover structure of power battery and top cover structure thereof |
| CN117673591A (en) * | 2024-01-26 | 2024-03-08 | 蜂巢能源科技股份有限公司 | Injection molding cover plate, battery cell and battery pack |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993973Y (en) * | 2006-11-28 | 2007-12-19 | 北京有色金属研究总院 | Metal casing secondary cell post seal insulating structure |
| CN201041812Y (en) * | 2007-12-08 | 2008-03-26 | 深圳市比克电池有限公司 | A battery cover board component and battery |
| US20100273046A1 (en) * | 2009-04-22 | 2010-10-28 | Han Cheng Kuo | Current collecting post seal for high durability lithium-ion cells |
| CN202871880U (en) * | 2012-08-28 | 2013-04-10 | 四川宝生新能源电池有限公司 | Lower sealing structure for square batteries |
| CN205177896U (en) * | 2015-12-21 | 2016-04-20 | 广东九九华立新材料股份有限公司 | Riveted structure |
| CN206349411U (en) * | 2016-07-15 | 2017-07-21 | 中天储能科技有限公司 | A kind of cylindrical lithium ion battery riveted structure negative cover |
-
2016
- 2016-07-15 CN CN201610557559.3A patent/CN106058086A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993973Y (en) * | 2006-11-28 | 2007-12-19 | 北京有色金属研究总院 | Metal casing secondary cell post seal insulating structure |
| CN201041812Y (en) * | 2007-12-08 | 2008-03-26 | 深圳市比克电池有限公司 | A battery cover board component and battery |
| US20100273046A1 (en) * | 2009-04-22 | 2010-10-28 | Han Cheng Kuo | Current collecting post seal for high durability lithium-ion cells |
| CN202871880U (en) * | 2012-08-28 | 2013-04-10 | 四川宝生新能源电池有限公司 | Lower sealing structure for square batteries |
| CN205177896U (en) * | 2015-12-21 | 2016-04-20 | 广东九九华立新材料股份有限公司 | Riveted structure |
| CN206349411U (en) * | 2016-07-15 | 2017-07-21 | 中天储能科技有限公司 | A kind of cylindrical lithium ion battery riveted structure negative cover |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601939A (en) * | 2016-12-28 | 2017-04-26 | 中天储能科技有限公司 | Square pure aluminum structure cover plate of lithium ion battery |
| CN115275532A (en) * | 2022-09-30 | 2022-11-01 | 宁波震裕科技股份有限公司 | Manufacturing method of top cover structure of power battery and top cover structure thereof |
| CN117673591A (en) * | 2024-01-26 | 2024-03-08 | 蜂巢能源科技股份有限公司 | Injection molding cover plate, battery cell and battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |