CN205248385U - Cylindrical lithium ionic cell - Google Patents
Cylindrical lithium ionic cell Download PDFInfo
- Publication number
- CN205248385U CN205248385U CN201520958441.2U CN201520958441U CN205248385U CN 205248385 U CN205248385 U CN 205248385U CN 201520958441 U CN201520958441 U CN 201520958441U CN 205248385 U CN205248385 U CN 205248385U
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- CN
- China
- Prior art keywords
- negative pole
- anodal
- lid
- coupling
- seat
- 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.)
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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 utility model discloses an apron is for the cylindrical lithium ionic cell of lamellar structure, and it includes through with the apron of electric core body seal package in aluminium matter shell that the both ends of electric core body are equipped with anodal seat, negative pole seat respectively, press respectively and have riveted anodal utmost point ear, negative pole utmost point ear on anodal seat, the negative pole seat, and characterized by laps it and includes the lid, is equipped with the positive terminal including anodal nipple, anodal outer union on the lid, negative terminal including negative pole nipple, negative pole outer union, the lid including installing the bottom in battery case, be equipped with the sealing layer of installing in battery case on the bottom, the bottom make by bakelite plate, the sealing layer is become by rubber, the utility model discloses simple structure gets rid of the marginal seal step of lid, changes the lamellar structure into, makes its thickness attenuate, reduces its complexity, improves production efficiency, reduction in production cost.
Description
Technical field
The utility model relates to a kind of battery, specifically a kind of cylindrical lithium ion battery。
Background technology
At present, the column lithium ion battery that most positive and negative electrode is drawn in the same way, its cover plate comprises cylindrical lid, cylindrical lid edge is provided with sealed step, sealing ring is installed in sealed step, and the defect one that the cover plate of this kind of structure exists is for sealed step is set, the convenient sealing ring of installing, the thickness that needs to increase lid, consumptive material is many; The 2nd, sealed step is set, processed complex, cost is high.
Bakelite plate, claims again phenolic paper laminate, is to select the impregnated paper that paper pulp is made to soak the hard slab insulant forming through curing hot pressing with after phenolic resins.
Summary of the invention
The purpose of this utility model is to provide the cylindrical lithium ion battery that a kind of cover plate is layer structure.
The utility model is to adopt following technical scheme to realize its goal of the invention, a kind of cylindrical lithium ion battery, it comprises by by the hermetically sealed battery core body cover plate in aluminum shell, the two ends of battery core body are respectively equipped with positive electrode seat, negative pole seat, positive electrode seat, positive pole ear has pressed respectively on negative pole seat, negative lug, it comprises lid cover plate, lid is provided with and comprises anodal nipple, the positive terminal of anodal coupling, comprise negative pole nipple, the negative terminal of negative pole coupling, described lid comprises the bottom being arranged in battery case, bottom is provided with the sealant being arranged in battery case, described bottom is made up of bakelite plate, sealant is made up of rubber.
The thickness of sealant described in the utility model is 1/3～1/2 of underlayer thickness.
In order to strengthen the sealing of cylindricality lithium ion battery, sealant described in the utility model edge is provided with ring buckle limit one.
For easy to connect, anodal coupling described in the utility model, negative pole coupling are torsional angle type, are connected with outward element by welding.
In not affecting electric conductivity, reduce costs, anodal coupling described in the utility model, negative pole coupling are made by CP wire.
For easy to connect, anodal coupling described in the utility model, negative pole coupling are provided with screw, are connected with outward element by bolt.
Owing to adopting technique scheme, the utility model has been realized goal of the invention preferably, and it is simple in structure, removes the sealed step at lid edge, changes layer structure into, makes its reduced thickness, reduces its complexity, enhances productivity, and reduces production costs.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the top view of Fig. 1 cover plate;
Fig. 3 is Fig. 1 cover plate left view.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1, a kind of cylindrical lithium ion battery, it comprises by by the hermetically sealed battery core body cover plate in aluminum shell, the two ends of battery core body are respectively equipped with positive electrode seat, negative pole seat, positive electrode seat, positive pole ear has pressed respectively on negative pole seat, negative lug, it comprises lid cover plate, lid is provided with and comprises anodal nipple 6, the positive terminal of anodal coupling 1, comprise negative pole nipple 7, the negative terminal of negative pole coupling 2, described lid also comprises the bottom 5 being arranged in battery case, bottom 5 is provided with the sealant 4 being arranged in battery case, described bottom 5 is made up of bakelite plate, sealant 4 is made up of rubber.
The thickness of sealant 4 described in the utility model is 1/3～1/2 of bottom 5 thickness. (the present embodiment is 1/3)
In order to strengthen the sealing of cylindricality lithium ion battery, sealant described in the utility model 4 edges are provided with ring buckle limit 8 one.
For easy to connect, anodal coupling 1 described in the utility model, negative pole coupling 2 are torsional angle type, are connected with outward element by welding.
In not affecting electric conductivity, reduce costs, anodal coupling 1 described in the utility model, negative pole coupling 2 are made by CP wire.
Lithium ion battery in use, the explosionproof hole arranging on lid can effectively prevent lithium ion battery occurring damaged to leak, overcharge, produce gas under high-temperature condition and discharge not in time the blast causing.
The two ends of the utility model battery core body are respectively arranged with positive electrode seat, negative pole seat, on positive electrode seat, negative pole seat, pressing respectively positive pole ear 10, negative lug 9, the other end of positive pole ear 10, negative lug 9 respectively with cover plate lid on anodal nipple 6 on positive terminal, the negative pole nipple 7 on negative terminal be welded to connect. Lid bottom 5 is placed on the cover plate waistband of case body, will in case body edge of opening, press, and sealant 4 is pinned, and because sealant 4 edges are provided with ring buckle limit 8 one, while pressure, can strengthen the sealing of cylindricality lithium ion battery in shell nozzle edge.
Embodiment 2:
For easy to connect, anodal coupling 1 described in the utility model, negative pole coupling 2 are provided with screw, are connected with outward element by bolt. Remaining with embodiment 1. The thickness of the present embodiment sealant 4 is 1/2 of bottom 5 thickness.
Claims (5)
1. a cylindrical lithium ion battery, it comprises by by the hermetically sealed battery core body cover plate in aluminum shell, the two ends of battery core body are respectively equipped with positive electrode seat, negative pole seat, positive electrode seat, positive pole ear has pressed respectively on negative pole seat, negative lug, it comprises lid to it is characterized in that cover plate, lid is provided with and comprises anodal nipple, the positive terminal of anodal coupling, comprise negative pole nipple, the negative terminal of negative pole coupling, described lid comprises the bottom being arranged in battery case, bottom is provided with the sealant being arranged in battery case, described bottom is made up of bakelite plate, sealant is made up of rubber, the thickness of described sealant is 1/3～1/2 of underlayer thickness.
2. cylindrical lithium ion battery according to claim 1, is characterized in that described sealant edge is provided with ring buckle limit one.
3. cylindrical lithium ion battery according to claim 1 and 2, is characterized in that described anodal coupling, negative pole coupling are torsional angle type, are connected with outward element by welding.
4. cylindrical lithium ion battery according to claim 3, anodal coupling, negative pole coupling described in it is characterized in that are made by CP wire.
5. cylindrical lithium ion battery according to claim 1 and 2, is characterized in that described anodal coupling, negative pole coupling are provided with screw, are connected with outward element by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958441.2U CN205248385U (en) | 2015-11-27 | 2015-11-27 | Cylindrical lithium ionic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520958441.2U CN205248385U (en) | 2015-11-27 | 2015-11-27 | Cylindrical lithium ionic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248385U true CN205248385U (en) | 2016-05-18 |
Family
ID=55947461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520958441.2U Active CN205248385U (en) | 2015-11-27 | 2015-11-27 | Cylindrical lithium ionic cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248385U (en) |
-
2015
- 2015-11-27 CN CN201520958441.2U patent/CN205248385U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |