CN202167563U - Cylindrical lithium-ion power battery - Google Patents
Cylindrical lithium-ion power battery Download PDFInfo
- Publication number
- CN202167563U CN202167563U CN201120266367XU CN201120266367U CN202167563U CN 202167563 U CN202167563 U CN 202167563U CN 201120266367X U CN201120266367X U CN 201120266367XU CN 201120266367 U CN201120266367 U CN 201120266367U CN 202167563 U CN202167563 U CN 202167563U
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- pole
- negative pole
- cover plate
- negative
- positive
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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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Abstract
The utility model discloses a cylindrical lithium-ion power battery, which comprises a cylindrical shell, an anode cover plate, a cathode cover plate, an anode post, a cathode post, a central tube and a cell, wherein the anode cover plate and the cathode cover plate are respectively fixedly installed at the two ends of the shell; the anode post and the cathode post are respectively arranged on the anode cover plate and the cathode cover plate; the central tube is in the shell and the two ends thereof are respectively connected with the anode post and the cathode post; the cell comprises a cathode plate, an isolation membrane and an anode plate; the cathode plate, the isolation membrane and the anode plate are orderly winded on the central tube; the cathode cover plate is provided with a through hole; a cathode ceramic ring is hermetically welded in the through hole; the cathode post penetrates a central hole of the cathode ceramic ring and is hermetically welded with the cathode ceramic ring. By utilizing the ceramic ring to isolate the cathode cover plate from the cathode post, the cylindrical lithium-ion power battery can achieve vacuum sealing property after the ceramic ring is welded, thereby greatly increasing the reliability of sealing of the battery, ensuring the safety of the battery in long-term use, and having long service life.
Description
Technical field
The utility model relates to lithium ion battery, especially a kind of cylindrical lithium ion electrokinetic cell.
Background technology
Cylindrical lithium-ion power battery because have that energy density height, specific power are big, good cycle, memory-less effect, characteristics such as pollution-free, be widely used in Notebook Battery, electric tool, electric bicycle and electric motor car etc.Existing cylindrical lithium ion electrokinetic cell mainly is made up of cylinder blanket, anodal cover plate, negative pole cover plate, Positive Poles, negative pole pole, central tube and electric core; Anodal cover plate and negative pole cover plate are fixedly mounted on the two ends of shell respectively; On anodal cover plate and negative pole cover plate, be equipped with through hole; Positive Poles and negative pole pole are arranged in respectively in the through hole on this positive pole cover plate and this negative pole cover plate; Central tube is positioned at shell, and its two ends are connected with the negative pole pole with Positive Poles respectively, and electric core comprises negative plate, barrier film and positive plate; This negative plate, this barrier film and this positive plate are wound on the said central tube successively, and this positive plate is electrically connected with Positive Poles and negative pole pole through positive pole ear and negative lug respectively with this negative plate.In order to separate positive and negative electrode; Prevent short circuit; Between negative pole pole and negative pole cover plate, be equipped with the seal that encapsulants such as plastic cement are processed; There is following defective in it: (1) plastic cement seal is prone to cause recessive the damage when assembling, and the inefficacy that under the long-time condition of high temperature, is prone to deform, and causes battery in long-time the use, the leakage problem to occur; (2) plastic seal non-refractory is prone to wear out, and service time is short.
Summary of the invention
The purpose of the utility model is to overcome the above-mentioned defective that existing cylindrical lithium ion electrokinetic cell exists, and a kind of cylindrical lithium ion electrokinetic cell of safe, long service life is provided.
To achieve these goals; A kind of cylindrical lithium ion electrokinetic cell that the utility model provides; It comprises cylinder blanket, anodal cover plate, negative pole cover plate, Positive Poles, negative pole pole, central tube and electric core; Said anodal cover plate and said negative pole cover plate are fixedly mounted on the two ends of said shell respectively, and said Positive Poles and said negative pole pole are located at respectively on this positive pole cover plate and this negative pole cover plate, and said central tube is positioned at shell; Its two ends are connected with said negative pole pole with said Positive Poles respectively; Said electric core comprises negative plate, barrier film and positive plate, and this negative plate, this barrier film and this positive plate are wound on the said central tube successively, and this positive plate is electrically connected with said Positive Poles and said negative pole pole through positive pole ear and negative lug respectively with this negative plate; On said negative pole cover plate, be provided with through hole, and seal weld is connected to the negative pole ceramic ring in this through hole, said negative pole pole be arranged in the centre bore of this negative pole ceramic ring and with negative pole ceramic ring sealing welding.
As the preferred embodiment of technique scheme, the welding manner of said negative pole ceramic ring and said negative pole pole and said negative pole cover plate is soldering.
As the preferred embodiment of technique scheme, on said anodal cover plate, be provided with through hole, and seal weld is connected to anodal ceramic ring in this through hole, said Positive Poles be arranged in the centre bore of this positive pole ceramic ring and with anodal ceramic ring sealing welding.
As the preferred embodiment of technique scheme, the welding manner of said anodal ceramic ring and said Positive Poles and said anodal cover plate also is soldering.
As the preferred embodiment of technique scheme, said anodal cover plate and said Positive Poles are one-body molded.
As the preferred embodiment of technique scheme, on the outer face of said Positive Poles and said negative pole pole, be provided with screw.
As the preferred embodiment of technique scheme, said anodal cover plate and said negative pole cover plate and said shell are fixedly connected by welding respectively.
As the preferred embodiment of technique scheme, said central tube comprise metal upper center tube, metal lower center tube and be connected this upper center tube and this lower center tube between the high-temperature insulation sleeve pipe.
Preferred embodiment as technique scheme; The said negative pole pole in said shell and the outside of said Positive Poles are respectively installed with negative pole anchor ear and anodal anchor ear, and an end of said negative lug and said positive pole ear is welded between said negative pole pole and the said negative pole anchor ear respectively and between said Positive Poles and the said anodal anchor ear.
As the preferred embodiment of technique scheme, the welding manner of said negative lug and said negative pole pole and said negative pole anchor ear is a Laser Welding, and the welding manner of said positive pole ear and said Positive Poles and said anodal anchor ear is a Laser Welding.
Compared with prior art, the utlity model has following beneficial effect:
(1) the cylindrical lithium ion electrokinetic cell of the utility model; It utilizes ceramic ring to separate positive and negative electrode, ceramic ring and negative pole (positive pole) cover plate and the welding of negative pole (positive pole) electrode column sealing, and weld seam is fine and close; Can reach vacuum leakproofness after the welding; Can effectively separate the electrolyte of electric in-core, thereby avoid battery leakage problem in long-time the use, therefore safe; And ceramic ring has good temperature resistance, and battery works long hours and under the condition of high temperature, also can not cause its deformation failure, and long service life has effectively been avoided encapsulant non-refractories such as plastic cement, has been prone to aging problem.
(2) the cylindrical lithium ion electrokinetic cell of the utility model is provided with screw on the outer face of Positive Poles and negative pole pole, be convenient to the connection in series-parallel assembling between the battery.
(3) the cylindrical lithium ion electrokinetic cell of the utility model, its central tube adopts segmental structure, and the stage casing is the high-temperature insulation sleeve pipe.Because the heat of central tube center is generally bigger; The utility model utilizes sleeve pipe to separate heat; Make the heat of inside battery to conduct to the positive and negative electrode post uniformly; Greatly reduce the inside battery unbalanced problem of generating heat, can satisfy that battery is long-time, steady operation under the high power charging-discharging state.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the cutaway view along A-A line among Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment 2.
Description of reference numerals: 1, shell; 2, negative pole cover plate; 3, anodal cover plate; 4, negative pole ceramic ring; 5, anodal ceramic ring; 6, negative pole pole; 6a, screw; 7, Positive Poles; 7a, screw; 8, negative pole anchor ear; 9, anodal anchor ear; 10, negative lug; 11, positive pole ear; 12, upper center tube; 13, sleeve pipe; 14, lower center tube; 15, electric core.
Embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing:
One of them embodiment of the utility model is like Fig. 1, shown in 2; The cylindrical lithium ion electrokinetic cell mainly is made up of shell 1, anodal cover plate 3, negative pole cover plate 2, negative pole ceramic ring 4, anodal ceramic ring 5, Positive Poles 7, negative pole pole 6, central tube and electric core 15; Wherein, Shell 1 is cylindrical, and its material is an aluminum or aluminum alloy.The material of anodal cover plate 3 and negative pole cover plate 2 also is an aluminum or aluminum alloy, and it is welded on the two ends of shell 1 respectively, is provided with through hole at the middle part of this positive pole cover plate 3 and this negative pole cover plate 2.Negative pole ceramic ring 4 adopts sealed with brazing to be welded in the through hole of negative pole cover plate 2 and anodal cover plate 3 respectively with anodal ceramic ring 5.Negative pole pole 6 is arranged in respectively in the centre bore of negative pole ceramic ring 4 and anodal ceramic ring 5 with Positive Poles 7, and adopts sealed with brazing to weld together with negative pole ceramic ring 4 and anodal ceramic ring 5.Like this; Form a vacuum seal chamber by shell 1, negative pole cover plate 2, anodal cover plate 3, negative pole ceramic ring 4, anodal ceramic ring 5, negative pole pole 6 and Positive Poles 7; Electricity core 15 is packaged in this chamber, has avoided occurring in the long-time use of battery the problem of solution leakage; And, because pottery has good temperature resistance, battery is worked long hours under the condition of high temperature, also can not cause its deformation failure, effectively avoid encapsulant non-refractories such as plastic cement, be prone to aging problem.
On the outer face of negative pole pole 6 and Positive Poles 7, be provided with screw 6a, 7a, be convenient to the connection in series-parallel assembling between the battery.
Central tube is located in the shell 1; It is made up of upper center tube 12, sleeve pipe 13 and lower center tube 14; The material of upper center tube 12 and lower center tube 14 is an aluminum or aluminum alloy; One end of upper center tube 12 and lower center tube 14 is set in the inner of negative pole pole 6 and Positive Poles 7, and the other end of upper center tube 12 and lower center tube 14 is set in the two ends of sleeve pipe 13.Sleeve pipe 13 adopts the high-temperature insulation material to process.Because the heat of central tube center is generally bigger; Present embodiment utilizes sleeve pipe 13 to separate heat; Make the heat of inside battery to conduct to the positive and negative electrode post uniformly; Greatly reduce the inside battery unbalanced problem of generating heat, can satisfy that battery is long-time, steady operation under the high power charging-discharging state.
Another embodiment of the utility model sees Fig. 3, and different with the foregoing description is that Positive Poles 7 is formed in one with anodal cover plate 3.
More than be merely the specific embodiment of the utility model, do not limit the protection range of the utility model with this; Do not violate any replacement and the improvement of being done on the basis of the utility model design, all belonging to the protection range of the utility model.
Claims (10)
1. cylindrical lithium ion electrokinetic cell; It comprises cylinder blanket, anodal cover plate, negative pole cover plate, Positive Poles, negative pole pole, central tube and electric core; Said anodal cover plate and said negative pole cover plate are fixedly mounted on the two ends of said shell respectively; Said Positive Poles and said negative pole pole are located at respectively on this positive pole cover plate and this negative pole cover plate; Said central tube is positioned at shell, and its two ends are connected with said negative pole pole with said Positive Poles respectively, and said electric core comprises negative plate, barrier film and positive plate; This negative plate, this barrier film and this positive plate are wound on the said central tube successively, and this positive plate is electrically connected with said Positive Poles and said negative pole pole through positive pole ear and negative lug respectively with this negative plate; It is characterized in that: on said negative pole cover plate, be provided with through hole, and seal weld is connected to the negative pole ceramic ring in this through hole, said negative pole pole be arranged in the centre bore of this negative pole ceramic ring and with negative pole ceramic ring sealing welding.
2. cylindrical lithium ion electrokinetic cell according to claim 1 is characterized in that: the welding manner of said negative pole ceramic ring and said negative pole pole and said negative pole cover plate is soldering.
3. cylindrical lithium ion electrokinetic cell according to claim 1; It is characterized in that: on said anodal cover plate, be provided with through hole; And seal weld is connected to anodal ceramic ring in this through hole, said Positive Poles be arranged in the centre bore of this positive pole ceramic ring and with anodal ceramic ring sealing welding.
4. cylindrical lithium ion electrokinetic cell according to claim 3 is characterized in that: the welding manner of said anodal ceramic ring and said Positive Poles and said anodal cover plate is soldering.
5. cylindrical lithium ion electrokinetic cell according to claim 1 is characterized in that: said anodal cover plate and said Positive Poles are one-body molded.
6. cylindrical lithium ion electrokinetic cell according to claim 1 is characterized in that: on the outer face of said Positive Poles and said negative pole pole, be provided with screw.
7. cylindrical lithium ion electrokinetic cell according to claim 1 is characterized in that: said anodal cover plate and said negative pole cover plate and said shell are fixedly connected by welding respectively.
8. according to each described cylindrical lithium ion electrokinetic cell of claim 1 to 7, it is characterized in that: said central tube comprise metal upper center tube, metal lower center tube and be connected this upper center tube and this lower center tube between the high-temperature insulation sleeve pipe.
9. cylindrical lithium ion electrokinetic cell according to claim 8; It is characterized in that: the said negative pole pole in said shell and the outside of said Positive Poles are respectively installed with negative pole anchor ear and anodal anchor ear, and an end of said negative lug and said positive pole ear is welded between said negative pole pole and the said negative pole anchor ear respectively and between said Positive Poles and the said anodal anchor ear.
10. cylindrical lithium ion electrokinetic cell according to claim 9; It is characterized in that: the welding manner of said negative lug and said negative pole pole and said negative pole anchor ear is a Laser Welding, and the welding manner of said positive pole ear and said Positive Poles and said anodal anchor ear is a Laser Welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120266367XU CN202167563U (en) | 2011-07-26 | 2011-07-26 | Cylindrical lithium-ion power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120266367XU CN202167563U (en) | 2011-07-26 | 2011-07-26 | Cylindrical lithium-ion power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202167563U true CN202167563U (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120266367XU Withdrawn - After Issue CN202167563U (en) | 2011-07-26 | 2011-07-26 | Cylindrical lithium-ion power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202167563U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299271A (en) * | 2011-07-26 | 2011-12-28 | 珠海银通新能源有限公司 | Cylindrical lithium ion power cell |
| CN103137914A (en) * | 2013-02-08 | 2013-06-05 | 安徽省易达电子有限公司 | Sealing cover component of button lithium battery |
| CN103367663A (en) * | 2012-03-29 | 2013-10-23 | 比亚迪股份有限公司 | Seal assembly of battery, preparation method thereof and lithium ion battery |
| CN114361436A (en) * | 2021-12-31 | 2022-04-15 | 湖北钛时代新能源有限公司 | Square cylindrical lithium cobalt oxide battery and preparation method thereof |
| CN114361419A (en) * | 2021-12-31 | 2022-04-15 | 湖北钛时代新能源有限公司 | Square cylindrical silicon-carbon battery and preparation method thereof |
-
2011
- 2011-07-26 CN CN201120266367XU patent/CN202167563U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299271A (en) * | 2011-07-26 | 2011-12-28 | 珠海银通新能源有限公司 | Cylindrical lithium ion power cell |
| WO2013013592A1 (en) * | 2011-07-26 | 2013-01-31 | 珠海银通新能源有限公司 | Cylindrical lithium ion power battery |
| CN102299271B (en) * | 2011-07-26 | 2014-06-25 | 珠海银隆新能源有限公司 | Cylindrical lithium ion power cell |
| CN103367663A (en) * | 2012-03-29 | 2013-10-23 | 比亚迪股份有限公司 | Seal assembly of battery, preparation method thereof and lithium ion battery |
| CN103367663B (en) * | 2012-03-29 | 2015-08-26 | 比亚迪股份有限公司 | Black box of a kind of battery and preparation method thereof and a kind of lithium ion battery |
| CN103137914A (en) * | 2013-02-08 | 2013-06-05 | 安徽省易达电子有限公司 | Sealing cover component of button lithium battery |
| CN103137914B (en) * | 2013-02-08 | 2016-04-13 | 安徽省易达电子有限公司 | A kind of seal cover assembly of button lithium battery |
| CN114361436A (en) * | 2021-12-31 | 2022-04-15 | 湖北钛时代新能源有限公司 | Square cylindrical lithium cobalt oxide battery and preparation method thereof |
| CN114361419A (en) * | 2021-12-31 | 2022-04-15 | 湖北钛时代新能源有限公司 | Square cylindrical silicon-carbon battery and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHUHAI YINLONG NEW ENERGY CO., LTD. Free format text: FORMER NAME: ZHUHAI YINTONG ENERGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee after: ZHUHAI YINLONG NEW ENERGY CO., LTD. Address before: 519000 Guangdong Province, Zhuhai City Road Jida Huajing Les Loges Du Park Hotel Building 1 Patentee before: Zhuhai Yintong Energy Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120314 Effective date of abandoning: 20140625 |
|
| RGAV | Abandon patent right to avoid regrant |