CN203085702U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
- Publication number
- CN203085702U CN203085702U CN2013200680010U CN201320068001U CN203085702U CN 203085702 U CN203085702 U CN 203085702U CN 2013200680010 U CN2013200680010 U CN 2013200680010U CN 201320068001 U CN201320068001 U CN 201320068001U CN 203085702 U CN203085702 U CN 203085702U
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- CN
- China
- Prior art keywords
- battery
- tank body
- explosion
- proof valve
- lithium ion
- 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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- 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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Abstract
The utility model discloses a lithium ion battery which comprises a tank body, wherein the tank body consists of two cylinders connected side by side, and the inner parts of the two cylinders are communicated; two battery wound cores are respectively arranged inside the tank body, the two battery wound cores are arranged in the same electrolytic solution, positive pole lugs and negative pole lugs are arranged on the two battery wound core, and the negative pole lugs are welded on a metal cover plate; an insulator and the metal cover plate are arranged on the tank body, a cover cap and an explosion-proof valve are arranged on the insulator, the explosion-proof valve is connected with the cover cap, and the explosion-proof valve is connected with the positive pole lugs. The volume of the battery is increased as far as possible so as to meet the requirement of different occasions, and the increase of the volume is realized without parallel connection as far as possible. The problem that the battery meets the requirement of different occasions with parallel connection is solved, and battery matching is not required. In the using process, the problem of low battery volume after combination caused by individual difference cannot be caused.
Description
Technical field
The utility model relates to a kind of battery, relates in particular to a kind of lithium ion battery.
Background technology
Along with scientific technological advance, the electronic product of increasing various uses arises at the historic moment, and supports that the battery side of the work of electronic product is the lifeline of electronic product, seems particularly important.At present, lithium ion battery can be divided into according to shape: have square lithium electricity (as battery of mobile phone electricity core commonly used) and cylindricality (as 18650,18500 or the like ... .).But these all are cells; they have fixing characteristic; we know that the voltage of single-unit lithium battery is at 3.2-4.2V; capacity is also all not very big; as the capacity of 18650 lithium ion batteries, accomplish 1300--2400mAh; often in the process of using; such voltage and capacity are nowhere near; do not reach requirement; in order to reach voltage and the capacity of wanting; generally all adopt multiple batteries to be in series, such as: the battery of electric motor car is generally the lead-acid battery group, and one group of lead-acid battery (48V12Ah) only needs 4 cells to be in series; and series connection is very simple; but lead-acid battery is seriously polluted, withdraws from the market gradually, the substitute is the lithium ion battery group of very environmental protection; general lithium ion battery group is made of three parts: lithium-ion electric core; the shell of electricity core protection control circuit and encapsulation; one group of lithium ion 48V12Ah battery is assembled with the lithium ion battery of 18650 ternary systems, needs the battery cell of 78 3.6V2000mAh to come connection in series-parallel to realize.
Present existing way, inside battery adopt helically wound structures, with a kind of very fine and polyethylene film isolated material that permeability is very strong forms at the positive and negative electrode interbody spacer.Positive pole comprises lithium ion collector of being made up of lithium and cobalt dioxide and the current collector of being made up of the aluminium film.The current collector that lithium ion collector that negative pole is made up of the sheet material with carbon element and copper film are formed is formed.Be filled with organic electrolyte solution in the battery.Safety and PTC element also are housed in addition, so that battery protects battery not to be damaged when abnormal state and output short-circuit.The voltage of single-unit lithium battery is 3.6V, and capacity also can not be infinitely great, therefore, usually the single-unit lithium battery is carried out series and parallel and handles, to satisfy the requirement of different occasions.
Summary of the invention
The purpose of this utility model provides a kind of lithium ion battery that can increase battery capacity.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of lithium ion battery comprises tank body, it is characterized in that: tank body is shaped as two cylinders and links to each other side by side, and two cylinder inside communicate; Two battery roll cores are installed in respectively in the tank body, and two battery roll cores are located in the same electrolytic solution, and two battery roll cores are provided with positive pole ear and negative lug, and negative lug is welded on the metal cover board; Tank body is provided with insulator and metal cover board, and insulator is provided with block and explosion-proof valve, and explosion-proof valve is connected with block, and explosion-proof valve connects positive pole ear.
According to described lithium ion battery, it is characterized in that: described insulator is provided with power-off protection apparatus, power-off protection apparatus be positioned at explosion-proof valve below, positive pole ear connects power-off protection apparatus, power-off protection apparatus connects explosion-proof valve.
The utility model has the advantages of and be: 1, the capacity of battery may increase unexpectedly, with the requirement of satisfying different occasions is, need not in parallel realize the increase of capacity as far as possible.2, having solved battery is to carry out problem in parallel in the requirement of satisfying different occasions, without combo.3, in use can be because of the difference of monomer, the low problem of battery capacity after causing making up.It is battery pack problem, reliable more.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model shell.
In the accompanying drawing: 1, block; 2, insulator; 3, explosion-proof valve; 4, power-off protection apparatus; 5, positive pole ear; 6, negative lug; 7, tank body; 8, metal cover board; 9, battery roll core; 10, electrolytic solution.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
The utility model as shown in Figure 1, 2, a kind of lithium ion battery comprises tank body 7, it is characterized in that: tank body 7 is shaped as two cylinders and links to each other side by side, and two cylinder inside communicate; Two battery roll cores 9 are installed in respectively in the tank body 7, and two battery roll cores 9 are located in the same electrolytic solution 10, and two battery roll cores 9 are provided with positive pole ear 5 and negative lug 6, and negative lug 6 is welded on the metal cover board 8; Tank body 7 is provided with insulator 2 and metal cover board 8, and insulator 2 is provided with block 1 and explosion-proof valve 3, and explosion-proof valve 3 is connected with block 1, and explosion-proof valve 3 connects positive pole ear 5.According to described lithium ion battery, it is characterized in that: described insulator 2 is provided with power-off protection apparatus 4, power-off protection apparatus 4 be positioned at explosion-proof valve 3 below, positive pole ear 5 connects power-off protection apparatus 4, power-off protection apparatus 4 connects explosion-proof valves 3.
Use principle of the present utility model: battery has the capacity of battery may increase unexpectedly, with the requirement of satisfying different occasions is, need not in parallel realize the increase of capacity as far as possible.The internal resistance of battery is little, because two or more helically wound structures battery roll cores 9 are connected in parallel in the same electrolytic solution 10, the voltage of each battery roll core 9 equates.As shown in Figure 1, be similar to two cylinder tank bodies 7 and link to each other side by side, but inside communicates.Two or more helically wound structures battery roll cores 9 are contained in 7 li of the tank bodies of two or more cylinders, because cylinder tank body 7 communicates, two or more helically wound structures battery roll cores 9 are in same electrolytic solution 10, electrode forms galvanic couple in conductive liquid, the original just characteristic independently of two independently electric cores in same conductive liquid, will form an independently characteristic.Be positioned at the block 1 at top and explosion-proof valve 3, power-off protection apparatus 4 and the metal cover board 8 etc. of bottom and be combined to form the protective effect cover plate; insulator 2 is kept apart metal cover board 8 and block 1; it is characterized in that: the safety that guarantees battery by protection block 1; under the situation of battery failure; cause the air pressure in the battery tank body 7 to increase; power-off protection apparatus 4 disconnects, and guarantees the fail safe of battery.
When mounted; at first positive pole ear 5, the negative lug 6 of two or more helically wound structures battery roll cores 9 to be welded respectively; negative lug 6 is welded on metal cover board 8, the power-off protection apparatus 4 in positive pole ear 5 and the metal cover board 8 is welded together.Again metal cover board 8 is installed on tank body 7 upper end open, through behind the solder up, so that cover plate is fixedly connected on the housing.Inject electrolyte at last.With plastic film entire cell is encapsulated after injecting electrolyte, next battery is changed into processing successively, form a complete battery.
Embodiment recited above is described preferred implementation of the present utility model; be not that design of the present utility model and protection range are limited; under the prerequisite that does not break away from the utility model design concept; common engineers and technicians make the technical solution of the utility model in this area various modification and improvement all should fall into protection range of the present utility model.
Claims (2)
1. a lithium ion battery comprises tank body (7), it is characterized in that: tank body (7) is shaped as two cylinders and links to each other side by side, and two cylinder inside communicate; Two battery roll cores (9) are installed in respectively in the tank body (7), two battery roll cores (9) are located in the same electrolytic solution (10), two battery roll cores (9) are provided with positive pole ear (5) and negative lug (6), and negative lug (6) is welded on the metal cover board (8); Tank body (7) is provided with insulator (2) and metal cover board (8), and insulator (2) is provided with block (1) and explosion-proof valve (3), and explosion-proof valve (3) is connected with block (1), and explosion-proof valve (3) connects positive pole ear (5).
2. lithium ion battery according to claim 1; it is characterized in that: described insulator (2) is provided with power-off protection apparatus (4); power-off protection apparatus (4) be positioned at explosion-proof valve (3) below; positive pole ear (5) connects power-off protection apparatus (4), and power-off protection apparatus (4) connects explosion-proof valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200680010U CN203085702U (en) | 2013-02-06 | 2013-02-06 | Lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200680010U CN203085702U (en) | 2013-02-06 | 2013-02-06 | Lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203085702U true CN203085702U (en) | 2013-07-24 |
Family
ID=48831511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200680010U Expired - Fee Related CN203085702U (en) | 2013-02-06 | 2013-02-06 | Lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203085702U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103094622A (en) * | 2013-02-06 | 2013-05-08 | 山东威斯特车业有限公司 | Lithium ion battery |
| WO2023092441A1 (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 manufacturing method and device therefor, battery, and electrical device |
-
2013
- 2013-02-06 CN CN2013200680010U patent/CN203085702U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103094622A (en) * | 2013-02-06 | 2013-05-08 | 山东威斯特车业有限公司 | Lithium ion battery |
| WO2023092441A1 (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 manufacturing method and device therefor, battery, and electrical 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: 20130724 Termination date: 20180206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |