Lithium ion power battery

A power battery, lithium ion technology, applied in secondary batteries, battery pack components, non-aqueous electrolyte battery electrodes, etc., to achieve the effects of high cost performance, best performance, and ingenious and simple structure design

Inactive Publication Date: 2013-09-11
JIANGSU LUOFENG POWER SUPPLY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The stacked lithium-ion power battery with the existing stacked cell structure cannot effectively solve the above problems, and this problem has always been an unsolvable technical problem

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment

[0042] Such as Figure 1 to Figure 19As shown, a lithium-ion power battery includes a casing 1, an electronic mounting board 4 and a laminated battery cell 16, and is also provided with a fiber paper 101, and also includes a negative electrode tab 21 made of copper and a positive electrode made of aluminum. The tab joint 22 also includes a rectangular tab splint 27 . The shell 1 is made of stainless steel, which has better heat dissipation and corrosion resistance. The shell 1 is packaged outside the electronic mounting board 4 and the laminated battery core 16 covered with fiber paper 101 . The shell 1 includes a box body 2 and a cover plate 3, and an electronic installation board 4 is installed under the cover plate 3, and the electronic installation board 4 is made of insulating material. The shell 1 is provided with a gap 17, the gap 17 is opened on the cover plate 3, the gap 17 includes two installation ports 17-1, a liquid injection port 17-2 and an explosion-proof port...

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PUM

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Abstract

The invention relates to a rechargeable battery, especially to a lithium ion power battery. The lithium ion power battery is also provided with fiber paper (101). The fiber paper (101) is arranged on one or two or three or four surfaces of any of four sides of a laminated electrical core (16), wherein the four sides are the upper, lower, left and right sides of the laminated electrical core (16). The laminated electrical core (16) coated with the fiber paper (101) is encapsulated inside a housing (1). The amount of electrolyte in the battery is adjusted via the application of the fiber paper, so that the service life of the lithium ion power battery is prolonged and the safety and reliability are improved. The structure design is elaborate and simple. Technical problems which are not solved in a long time are solved by the application of the simple structure.

Description

technical field [0001] The invention relates to a rechargeable battery, in particular to a lithium ion power battery. The invention belongs to the field of power batteries, and is mainly used for various hybrid electric vehicles and pure electric vehicles using lithium-ion power batteries as power sources. Background technique [0002] At present, there are two main structures of lithium-ion power batteries. The first one is a rolled-type lithium-ion power battery that encapsulates rolled cells in a circular or square casing. The second lithium-ion power battery structure is a laminated lithium-ion power battery in which the stacked laminated cells are packaged in a circular or square casing. The laminated cells of this laminated lithium-ion power battery include: There are negative electrode sheets, positive electrode sheets and insulating diaphragms. The negative electrode sheets and positive electrode sheets are arranged alternately in sequence. The negative electrode s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/0585H01M2/26H01M2/16H01M4/13
CPCY02E60/10Y02P70/50
Inventor 周金平史仲华何治堂黄建春
Owner JIANGSU LUOFENG POWER SUPPLY TECH
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