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Battery anti-explosion positive cover structure

A positive cover and battery technology, applied to structural parts, battery pack parts, circuits, etc., can solve the problems of battery pressure rise and explosion, and achieve the effect of preventing explosion

Active Publication Date: 2010-05-12
无锡市金杨新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a battery explosion-proof positive electrode cover structure to solve the problem of explosion caused by the increase in internal pressure of the battery

Method used

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  • Battery anti-explosion positive cover structure
  • Battery anti-explosion positive cover structure
  • Battery anti-explosion positive cover structure

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Effect test

Embodiment Construction

[0013] like figure 1 As shown, the battery explosion-proof positive electrode cover structure of the present invention includes a sealed outer cover 1 embedded in the anode end of the battery, and a conductive sheet 2 with holes, a thermistor sheet 3 and a positive electrode cover 4 are installed inside the sealed outer cover 1. The positive cover 4 is located outside, the conductive sheet with holes 2 is located inside, the gasket 5 is installed between the positive cover 4 and the thermistor sheet 3, the thermistor sheet 3 and the center of the conductive sheet with holes 2 are connected by a die-casting point 10, and A tapered depression is formed in the center of the thermistor sheet 3, and the conductive sheet with holes 2 is fixed inside the sealing outer cover 1 through an insulating rubber ring 7. The inner bottom of the sealing outer cover 1 is provided with a step 6, and the insulating rubber ring 7 Embedded in the step 6, the insulating rubber ring 7 and the step 6 ...

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Abstract

The invention relates to a battery anti-explosion positive cover structure which comprises a sealing outer cover embedded in an anode terminal of the battery, wherein the interior of the sealing outer cover is provided with a conducting plate with holes, a thermistor plate and a positive cover; the positive cover is positioned on the exterior; the conducting plate with the holes is positioned in the interior; a washer is arranged between the positive cover and the thermistor plate; the thermistor plate is connected with the center of the conducting plate with the holes by die-casting points and a tapered depression is formed in the center of the thermistor plate; the conducting plate with the holes is fixed in the interior of the sealing outer cover by an insulating rubber ring; the internal bottom of the sealing outer cover is provided with steps in which the insulating rubber ring is embedded; the insulating rubber ring and the steps together support the thermistor plate; the thermistor plate is provided with a circle dent; the thickness of the cross section of the dent is less than the normal thickness of the cross section of the thermistor plate; and by the design of the invention, the battery anti-explosion positive cover structure is arranged at the positive terminal of the battery and can effectively prevent the explosion caused owing to the over high air pressure in the interior of the battery.

Description

technical field [0001] The invention relates to a positive terminal cover structure of a battery, in particular to an explosion-proof structure of the positive terminal cover. Background technique [0002] With the widespread application of batteries, the safety hazards brought by batteries are also increasing. After a long period of use, the conductive material inside the battery will produce a chemical reaction, which will easily form a higher atmospheric pressure inside the battery. When the battery shell is subjected to atmospheric pressure, it may deform or continue to accumulate gas to form a higher atmospheric pressure. After a certain amount of gas is accumulated, the battery may explode, which brings safety hazards to people. Contents of the invention [0003] The purpose of the present invention is to provide an explosion-proof positive electrode cover structure for a battery, which can solve the problem of explosion caused by the increase of internal pressure o...

Claims

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Application Information

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IPC IPC(8): H01M2/04H01M2/12H01M2/34H01M2/22H01M50/148H01M50/35H01M50/528H01M50/581
CPCY02E60/12Y02E60/10
Inventor 周勤勇杨建林
Owner 无锡市金杨新材料股份有限公司
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