CN204481083U - Cylindricality lithium ion battery - Google Patents
Cylindricality lithium ion battery Download PDFInfo
- Publication number
- CN204481083U CN204481083U CN201520097410.2U CN201520097410U CN204481083U CN 204481083 U CN204481083 U CN 204481083U CN 201520097410 U CN201520097410 U CN 201520097410U CN 204481083 U CN204481083 U CN 204481083U
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- CN
- China
- Prior art keywords
- negative
- gum cover
- positive
- battery core
- white
- 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.)
- Expired - Fee Related
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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
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- Secondary Cells (AREA)
Abstract
The utility model relates to cell art, refers in particular to a kind of cylindricality lithium ion battery; The utility model comprises straight barrel type housing, positive gum cover, negative gum cover, battery core, straight barrel type housing both ends open, battery core is positioned at straight barrel type housing, and the upper and lower two ends of battery core have respectively just staying and white, negatively stay white and form positive pole, the negative pole of battery core, positive gum cover, negative gum cover vertically extrude battery core, the inner bottom part of positive gum cover have with battery core just stay the white positive contact contacted, and positive contact passes positive gum cover outer end, the inner bottom part of negative gum cover has and stays the white negative contact contacted with the negative of battery core, and negative contact passes negative gum cover outer end; The utility model utilizes positive gum cover, the extruding of negative gum cover makes positive contact, negative contact realizes face with battery core and contacts, and reduce welding procedure, can realize whole-course automation, battery capacity promotes, and coefficient of safety promotes, and saves the input of material and equipment, reduces production cost.
Description
Technical field
The utility model relates to cell art, refers in particular to a kind of cylindricality lithium ion battery.
Background technology
Existing cylindricality lithium ion battery, the two ends of battery core are respectively arranged with positive electrode seat, negative pole seat, positive electrode seat, negative pole seat have pressed respectively positive pole ear, negative lug, and positive pole ear, negative lug are seal-installed in aluminum shell after being connected with the positive pole nipple of positive terminal on cover plate and the negative pole nipple of negative terminal respectively.
Concerning battery core, its structure is roughly as follows: positive and negative plate top layer respectively connects an extraction pole by the mode such as riveting, ultrasonic bonding that presses, stings; The shortcoming of the battery core of this structure has: (1) coating pole piece area that need leave some space carries out pressing or sting riveting operation, waste volume space, (2) damage coating pole piece; Output particle, dust etc. can cause potential safety hazard simultaneously; (3) after connecting, internal resistance produces otherness; (4) production complexity is increased.
In addition, the extraction pole of battery core or directly connect peripheral loop through sealant, or connect with internal terminal on sealant and link peripheral loop by the external lug of this terminal again; Also there is the shortcoming of complex structure, processing time consuming in this structure.
Existing cylindricality lithium ion battery, adopts the mode of one end sealing, makes battery or housing and negative pole conducting thus charged, or be necessary for positive and negative electrodes in same to lead-out mode.These two kinds of structures all make the positive and negative very easily contact of battery form short circuit, thus produce potential safety hazard.
Therefore, based on the defect of above-mentioned existing cylindricality lithium ion battery, need to improve existing cylindricality lithium ion battery.
Utility model content
The purpose of this utility model is to provide a kind of cylindricality lithium ion battery for the deficiencies in the prior art, and it can solve existing for existing battery: complex structure, fail safe are low, the defect such as capacity constraint, processing time consuming.
For achieving the above object, the utility model is achieved through the following technical solutions:
Cylindricality lithium ion battery, comprise straight barrel type housing, positive gum cover, negative gum cover, battery core, straight barrel type housing both ends open, battery core is positioned at straight barrel type housing, and the upper and lower two ends of battery core have respectively just staying and white, negatively stay white and form positive pole, the negative pole of battery core, positive gum cover, negative gum cover vertically extrude battery core, the inner bottom part of positive gum cover have with battery core just stay the white positive contact contacted, and positive contact passes positive gum cover outer end, the inner bottom part of negative gum cover has and stays the white negative contact contacted with the negative of battery core, and negative contact passes negative gum cover outer end.
Concrete, positive gum cover and positive contact form integral structure by injection moulding is fixing.
Further, straight barrel type housing has slot rolling, just staying of the corresponding battery core of slot rolling white or is negatively stayed white, can make positive gum cover or negative gum cover and battery core more close contact.
The cross section of straight barrel type housing is annular, triangle or ellipse.
Straight barrel type housing is aluminium mass shell body or plastic casing.
The beneficial effects of the utility model are: form positive pole, negative pole at the upper and lower two ends of battery core, utilize positive gum cover, negative gum cover vertically extrudes battery core, make positive contact, negative contact realizes face with battery core and contact, reduce welding procedure, can realize whole-course automation, battery capacity promotes, and coefficient of safety promotes, save the input of material and equipment, reduce production cost.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of battery of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
See Fig. 1, the utility model cylindricality lithium ion battery comprises: straight barrel type housing 1, positive gum cover 2, negative gum cover 3, battery core 4, straight barrel type housing 1 both ends open, battery core 4 is positioned at straight barrel type housing 1, and battery core about 4 two ends have respectively and are just staying white 5, negative stay white 6 and form the positive pole of battery core 4, negative pole, positive gum cover 2, negative gum cover 3 is extruding battery core 4 vertically, the inner bottom part of positive gum cover 2 has the positive contact 7 just staying white 5 to contact with battery core 4, and positive contact 7 passes positive gum cover 2 outer end, the inner bottom part of negative gum cover 3 has the negative negative contact 8 staying white 6 to contact with battery core 4, and negative contact 8 passes negative gum cover 3 outer end, by positive contact 7, the exposed parts of negative contact 8, make battery and external circuit conducting, positive contact 7 with just stay white 5 can realize face to contact, negative contact 8 can realize face with negative contact 6 and contact.
Concrete, positive gum cover 2 forms integral structure with positive contact 7 by injection moulding is fixing, and process velocity is fast.
The cross section of straight barrel type housing 1 is annular, triangle or ellipse; Straight barrel type housing 1 is aluminium mass shell body or plastic casing.
The package assembly of positive gum cover 2 of the present utility model, negative gum cover 3 and straight barrel type housing 1, adopt the structure of vertical extruding, direct positive gum cover 2, negative gum cover 3 are pressed in straight barrel type housing 1, make positive contact 7 by control dynamics, negative contact 8 extrudes battery core 4 and reach and connect effect closely.
Further, straight barrel type housing 1 has slot rolling 9, the corresponding battery core of slot rolling 94 just stay white 5 or negative stay white 6, certainly, the outboard structure of positive gum cover 2, negative gum cover 3 can correspondingly adjust.
The utility model can realize mechanization production, reduces the impact of human factor, enhances productivity and product quality.Go for comprehensive size cell that diameter is greater than 3mm, be more suitable for the demand of different Client application aspect.
The utility model is applicable to positive and negative plate assembles battery core battery assembly field by lamination, the volume mode such as to scratch, be not limited to ni-mh, nickel chromium triangle, lithium ion, polymer battery, simultaneously, the utility model is also not limited to columniform battery, other shaped cells also can with reference to structure of the present utility model and processing technology, the shape in the cross section that battery core 4 reels is not limit, can be annular, triangle, ellipse etc., in like manner, the shape of positive cover 2, negative cover 3 is not limit, and can be annular, triangle, ellipse etc.
Advantage of the present utility model has: 1, decrease welding procedure, simplifies flow process; 2, improve automaticity, can whole-course automation be realized; 3, the internal resistance consistency of battery is high, can reach 96%; 4, under equal volume, battery capacity promotes 0.5%; 5, coefficient of safety promotes 2 times, removes the burr that lug connection procedure produces and the impact of removing lug generation itself; 6, cost reduces, and can save the Meteorological of lug buying expenses and process equipment.
Certainly, the embodiment of the above, just preferred embodiments of the present utility model, and unrestricted the utility model practical range, therefore all equivalences done according to structure, feature and the principle described in the utility model claim change or modify, and all should be included in the utility model claim.
Claims (5)
1. cylindricality lithium ion battery, it is characterized in that: comprise straight barrel type housing, positive gum cover, negative gum cover, battery core, straight barrel type housing both ends open, battery core is positioned at straight barrel type housing, and the upper and lower two ends of battery core have respectively just staying and white, negatively stay white and form positive pole, the negative pole of battery core, positive gum cover, negative gum cover vertically extrude battery core, the inner bottom part of positive gum cover have with battery core just stay the white positive contact contacted, and positive contact passes positive gum cover outer end, the inner bottom part of negative gum cover has and stays the white negative contact contacted with the negative of battery core, and negative contact passes negative gum cover outer end.
2. cylindricality lithium ion battery according to claim 1, is characterized in that: positive gum cover and positive contact form integral structure by injection moulding is fixing.
3. cylindricality lithium ion battery according to claim 1, is characterized in that: straight barrel type housing has slot rolling, the corresponding battery core of slot rolling just stay white or negative stay white.
4. cylindricality lithium ion battery according to claim 1, is characterized in that: the cross section of straight barrel type housing is annular, triangle or ellipse.
5. cylindricality lithium ion battery according to claim 1, is characterized in that: straight barrel type housing is aluminium mass shell body or plastic casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520097410.2U CN204481083U (en) | 2015-02-11 | 2015-02-11 | Cylindricality lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520097410.2U CN204481083U (en) | 2015-02-11 | 2015-02-11 | Cylindricality lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204481083U true CN204481083U (en) | 2015-07-15 |
Family
ID=53636859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520097410.2U Expired - Fee Related CN204481083U (en) | 2015-02-11 | 2015-02-11 | Cylindricality lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204481083U (en) |
-
2015
- 2015-02-11 CN CN201520097410.2U patent/CN204481083U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20200211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |