Lithium battery cover plate

Lithium battery cover plate

The utility model provides a lithium battery cover plate which comprises a liquid supplementing hole, the liquid supplementing hole is formed in the lithium battery cover plate and comprises a first stepped hole and a second stepped hole, and the diameter of the first stepped hole is larger than tha...

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Hauptverfasser: DOU JUNQING, YU HUIGEN, XIAO XIANG, LI WENJUN
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator DOU JUNQING
YU HUIGEN
XIAO XIANG
LI WENJUN
description The utility model provides a lithium battery cover plate which comprises a liquid supplementing hole, the liquid supplementing hole is formed in the lithium battery cover plate and comprises a first stepped hole and a second stepped hole, and the diameter of the first stepped hole is larger than that of the second stepped hole; the annular groove is formed in the lithium battery cover plate around a first stepped hole in the liquid supplementing hole, and the diameter of the annular groove is larger than that of the first stepped hole; the lithium battery further comprises a liquid supplementing structure which is used for sealing a liquid supplementing hole comprising a first stepped hole and a second stepped hole in the lithium battery cover plate, and the diameter of the first stepped hole is larger than that of the second stepped hole; the liquid supplementing structure comprises a first sealing element, a third sealing element and a second sealing element, and the second sealing element is used for seali
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Lithium battery cover plate
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