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Lithium-ion battery for automobile

A technology for lithium-ion batteries and automobiles, which is used in secondary batteries, battery pack components, non-aqueous electrolyte batteries, etc., to reduce costs, facilitate shunting, and avoid heat accumulation.

Active Publication Date: 2014-10-15
湖州天丰电源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In summary, there is no lithium-ion battery for automobiles with reasonable structural design, good heat dissipation, stable performance, and reduced production costs.

Method used

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  • Lithium-ion battery for automobile
  • Lithium-ion battery for automobile
  • Lithium-ion battery for automobile

Examples

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Embodiment Construction

[0043] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0044] Example.

[0045] see Figure 1 to Figure 21 , the lithium-ion battery for automobiles in this embodiment comprises a battery core 1, a positive electrode conductive metal sheet 2, a negative electrode conductive metal sheet 3, an upper cover 4, a positive electrode cover sheet 5, a negative electrode cover sheet 6, a positive electrode terminal 7, a negative electrode terminal 8, Shell 9, temperature detection protection board 10 and metal isolation groove 11.

[0046] The casing 9 in this embodiment is a rectangular parallelepiped structure, the casing 9 is provided with a cell installation cavity 91, the battery cell 1 is provided with a cell positive tab and a cell negative tab, and the metal isolation g...

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Abstract

The invention relates to a lithium ion battery for automobiles. There is no lithium-ion battery for automobiles with reasonable structural design and stable performance. The invention includes a battery core, an upper cover, a positive terminal, a negative terminal and a shell, and is characterized in that it also includes a positive conductive metal sheet, a negative conductive metal sheet, a positive cover, a negative cover, a temperature detection protection plate and a metal isolation tank, The positive terminal includes a positive terminal body, a positive boss and a positive temperature test head. The positive conductive metal sheet is fixed on the positive ear of the battery cell, and the positive terminal body is fixed on the positive conductive metal sheet; the negative terminal includes a negative terminal body, a negative protrusion Table and negative electrode temperature test head, the negative conductive metal sheet is fixed on the negative ear of the battery cell, the negative terminal body is fixed on the negative conductive metal sheet; the wall of the casing is provided with a series of heat dissipation holes, and the wall surface of the casing is provided with heat dissipation holes. The inner walls are provided with several heat conduction grooves. The invention has reasonable structural design, good heat dissipation and stable performance.

Description

technical field [0001] The invention relates to a lithium-ion battery, in particular to a lithium-ion battery for automobiles, which is specially used in electric vehicles to provide energy for the electric vehicles. Background technique [0002] At present, the structure design of the commonly used automotive lithium-ion battery is not reasonable enough, the performance is not reliable enough, the material consumption is large, and the production cost is high. There is a cell installation cavity in the battery shell, and the upper cover is directly fixed on the shell. The structural design of the shell is not reasonable enough, and the heat dissipation performance is poor. When the car battery is in use, the discharge current is large, the temperature generated is high, and a large amount of heat is difficult to dissipate, which greatly affects the overall performance of the car lithium-ion battery and shortens the life of the car battery. Ion battery life. [0003] The cu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M2/06H01M2/30H01M10/48H01M2/02H01M10/613H01M10/625H01M10/6551H01M10/655H01M10/654H01M2/20H01M10/0525H01M10/058
CPCY02E60/122Y02E60/10Y02P70/50
Inventor 金明钢韩改格丁希罕朱强李宏卫陈丽霞任旭东陈刚
Owner 湖州天丰电源有限公司
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