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Battery top cover assembly and single battery

A single battery, top cover technology, applied in battery pack parts, battery cover/end cover, electrical components, etc., can solve problems such as poor explosion-proof capability of single battery

Pending Publication Date: 2020-07-24
SUNWODA ELECTRIC VEHICLE BATTERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a battery top cover assembly and a single battery to solve the technical problem of poor explosion-proof ability of the single battery

Method used

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  • Battery top cover assembly and single battery
  • Battery top cover assembly and single battery

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Embodiment Construction

[0032] The descriptions involving "first", "second" and so on in the present invention are only for descriptive purposes, and should not be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features.

[0033] see figure 1 , figure 1 is a schematic diagram of the assembly structure of the single battery 100 provided in this application.

[0034] The single battery 100 of the present application includes: a cell ( figure 1 not shown in), the casing 20 and the battery top cover assembly 10, the battery cell is an energy storage part, the battery cell is assembled in the casing 20, the battery top cover assembly 10 covers the casing 20, the battery top cover 12 and the battery cell electric Sexual connection to assist in the introduction of electrical energy into the battery and export the energy in the battery.

[0035] see Figure 1 to Figure 5 , figure 2 It is a schematic diagram of the assembly struc...

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Abstract

The invention discloses a battery top cover assembly and a single battery. The battery top cover assembly comprises a top cover and an explosion-proof valve. The top cover is provided with an explosion-proof hole, and the top cover is used for sealing a shell; and the explosion-proof valve comprises a reinforcing boss and an anti-explosion piece, the reinforcing boss is arranged around the anti-explosion piece, the thickness of the reinforcing boss is larger than that of the anti-explosion piece, the reinforcing boss is connected with the top cover, and the anti-explosion piece covers and seals the anti-explosion hole. According to the battery top cover assembly, deformation resistance of the explosion-proof valve is improved, the influence of top cover deformation on the explosion-proof valve can be effectively reduced, and reliability of the explosion-proof valve is improved.

Description

technical field [0001] The invention relates to the technical field of a battery top cover assembly, in particular to a battery top cover assembly and a single battery. Background technique [0002] The casing, top cover and supporting seals of the power battery form a closed space together, and the closed space is filled with components such as winding cores, electrolytes, active materials, insulating films, and various substances required for electrochemical energy conversion. The battery core will slowly produce gas during normal use, and it will produce gas violently under some abuse conditions (such as internal short circuit), which will cause the air pressure in the closed space of the battery core to rise continuously, and the pressure limit of the connection between the shell and the top cover is limited , if the internal pressure continues to rise and exceeds the pressure limit of the casing and the top cover, it will cause the power battery to explode and bring saf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M2/04H01M2/12H01M50/147H01M50/30
CPCH01M50/147H01M50/30Y02E60/10
Inventor 杨伟张耀
Owner SUNWODA ELECTRIC VEHICLE BATTERY CO LTD
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