CN205069784U - Cylinder lithium ion battery - Google Patents
Cylinder lithium ion battery Download PDFInfo
- Publication number
- CN205069784U CN205069784U CN201520610929.6U CN201520610929U CN205069784U CN 205069784 U CN205069784 U CN 205069784U CN 201520610929 U CN201520610929 U CN 201520610929U CN 205069784 U CN205069784 U CN 205069784U
- Authority
- CN
- China
- Prior art keywords
- battery
- cover
- lithium ion
- layer
- positive terminal
- 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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Classifications
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Secondary Cells (AREA)
- Primary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a cylinder lithium ion battery, battery case including the cylinder type, battery case's middle part is equipped with the mass flow stick, the outside of the mass flow stick negative pole layer of having convoluteed in proper order, an insulating layer, the isolation layer, the anode layer, the negative pole layer, an insulating layer, the isolation layer, the anode layer all sets up the inside at battery case, battery case's bottom is equipped with the bottom insulating piece, battery case's upper portion is equipped with the upper portion insulating piece, be equipped with the battery cover on the insulating piece of upper portion, be equipped with the plastics lid on the battery cover, the middle part of plastics lid is equipped with the positive terminal, the positive terminal extends the plastics lid, the battery cover, and contact with the mass flow stick. The utility model discloses a cylinder lithium ion battery has increased insulating layer, isolation layer at battery case, and insulating effect is good, prevents the short circuit, prolongs lithium ion battery's life, moreover, is equipped with the plastics lid on the battery cover to adopt glass metallic sealing -in mode to seal with the positive terminal, simple structure, it is sealed effectual, good application prospect has.
Description
Technical field
The utility model belongs to technical field of lithium batteries, is specifically related to a kind of cylindrical lithium ion battery.
Background technology
Lithium ion battery, dependence lithium ion between a positive electrode and a negative electrode movement carrys out work.In charge and discharge process, lithium ion comes and goes between two electrodes and embeds and deintercalation, and be the representative of modern high performance battery, energy-conserving and environment-protective, are widely used.At present, lithium ion battery comprises column type and sheet type two type, existing cylindrical lithium ion battery, be only provided with a layer insulating between anode and negative electrode, insulation effect is not good, easily be short-circuited, shorten the useful life of lithium ion battery, and the battery cover sealing being positioned at top is not good, air easily enters insulating barrier, affects lithium ion battery discharge and recharge effect.
Utility model content
The technical problem that the utility model solves overcomes existing cylindrical lithium ion battery, and insulation effect is not good, is easily short-circuited, and the battery cover sealing being positioned at top is not good, and air easily enters insulating barrier, affects the problem of lithium ion battery discharge and recharge effect.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of cylindrical lithium ion battery, it is characterized in that: the battery container comprising column type, the middle part of described battery container is provided with current collecting rod, the outside of described current collecting rod is wound with cathode layer successively, insulating barrier, separator, anode layer, described cathode layer, insulating barrier, separator, anode layer is all arranged on the inside of battery container, the bottom of described battery container is provided with bottom insulation sheet, the top of described battery container is provided with upper portion insulating sheet, described upper portion insulating sheet is provided with battery cover, described battery cover is provided with vinyl cover, the middle part of described vinyl cover is provided with positive terminal, described positive terminal extends vinyl cover, battery cover, and contact with current collecting rod.
Aforesaid cylindrical lithium ion battery, is characterized in that: described vinyl cover and battery cover integrated injection molding.
Aforesaid cylindrical lithium ion battery, is characterized in that: described insulating barrier adopts resin material to make.
Aforesaid cylindrical lithium ion battery, is characterized in that: described separator adopts glass fibre to make.
Aforesaid cylindrical lithium ion battery, is characterized in that: described anode layer adopts lithium sheet metal to make, and is crimped on battery container inwall.
Aforesaid cylindrical lithium ion battery, is characterized in that: adopt glass-to-metal sealing mode to seal between described positive terminal and vinyl cover, battery cover.
The beneficial effects of the utility model are: cylindrical lithium ion battery of the present utility model, insulating barrier, separator is added at battery container, good insulating effect, prevents short circuit, extends the useful life of lithium ion battery, and, battery cover is provided with vinyl cover, and adopts glass-to-metal sealing mode and positive terminal to seal, and structure is simple, good sealing effect, has a good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of cylindrical lithium ion battery of the present utility model.
The implication marked in accompanying drawing is as follows:
1: battery container; 2: current collecting rod; 3: cathode layer; 4: insulating barrier; 5: separator; 6: anode layer; 7: bottom insulation sheet; 8: upper portion insulating sheet; 9: battery cover; 10: vinyl cover; 11: positive terminal.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, cylindrical lithium ion battery of the present utility model, comprise the battery container 1 of column type, the middle part of battery container 1 is provided with current collecting rod 2, the outside of current collecting rod 2 is wound with cathode layer 3 successively, insulating barrier 4, separator 5, anode layer 6, cathode layer 3, insulating barrier 4, separator 5, anode layer 6 is all arranged on the inside of battery container 1, the bottom of battery container 1 is provided with bottom insulation sheet 7, the top of battery container 1 is provided with upper portion insulating sheet 8, upper portion insulating sheet 8 is provided with battery cover 9, battery cover 9 is provided with vinyl cover 10, the middle part of vinyl cover 10 is provided with positive terminal 11, positive terminal 11 extends vinyl cover 10, battery cover 9, and contact with current collecting rod 2, vinyl cover 10 and battery cover 9 integrated injection molding, vinyl cover 10, the two-layer sealing of battery cover 9, increase sealing effectiveness, and, positive terminal 11 and vinyl cover 10, glass-to-metal sealing mode is adopted to seal between battery cover 9, further raising sealing effectiveness, prevent entering of air,
Described insulating barrier 4 adopts resin material to make, and separator 5 adopts glass fibre to make, and two-layer sealed insulation effect is good, prevents short circuit, extends the useful life of lithium ion battery.
Described anode layer 6 adopts lithium sheet metal to make, and is crimped on battery container 1 inwall, mechanical performance can provide safe and reliable power supply connect.
In sum, cylindrical lithium ion battery of the present utility model, adds insulating barrier, separator at battery container, good insulating effect, prevent short circuit, extend the useful life of lithium ion battery, and battery cover is provided with vinyl cover, and adopt glass-to-metal sealing mode and positive terminal to seal, structure is simple, and good sealing effect, has a good application prospect.
More than show and describe general principle of the present utility model, principal character and advantage.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. a cylindrical lithium ion battery, it is characterized in that: the battery container (1) comprising column type, the middle part of described battery container (1) is provided with current collecting rod (2), the outside of described current collecting rod (2) is wound with cathode layer (3) successively, insulating barrier (4), separator (5), anode layer (6), described cathode layer (3), insulating barrier (4), separator (5), anode layer (6) is all arranged on the inside of battery container (1), the bottom of described battery container (1) is provided with bottom insulation sheet (7), the top of described battery container (1) is provided with upper portion insulating sheet (8), described upper portion insulating sheet (8) is provided with battery cover (9), described battery cover (9) is provided with vinyl cover (10), the middle part of described vinyl cover (10) is provided with positive terminal (11), described positive terminal (11) extends vinyl cover (10), battery cover (9), and contact with current collecting rod (2), described vinyl cover (10) and battery cover (9) integrated injection molding, described insulating barrier (4) adopts resin material to make, described separator (5) adopts glass fibre to make, glass-to-metal sealing mode is adopted to seal between described positive terminal (11) and vinyl cover (10), battery cover (9).
2. cylindrical lithium ion battery according to claim 1, is characterized in that: described anode layer (6) adopts lithium sheet metal to make, and is crimped on battery container (1) inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610929.6U CN205069784U (en) | 2015-08-14 | 2015-08-14 | Cylinder lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520610929.6U CN205069784U (en) | 2015-08-14 | 2015-08-14 | Cylinder lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069784U true CN205069784U (en) | 2016-03-02 |
Family
ID=55396297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520610929.6U Expired - Fee Related CN205069784U (en) | 2015-08-14 | 2015-08-14 | Cylinder lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205069784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023065188A1 (en) * | 2021-10-20 | 2023-04-27 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, electrical device, and battery cell manufacturing method and device |
-
2015
- 2015-08-14 CN CN201520610929.6U patent/CN205069784U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023065188A1 (en) * | 2021-10-20 | 2023-04-27 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, electrical device, and battery cell manufacturing method and device |
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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: 20160302 Termination date: 20170814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |