Square lithium ion top cover structure

Square lithium ion top cover structure

The utility model discloses a square lithium ion top cover structure. INCLUDING A LOWER INJECTION MOLDING, pole bottom end metal sheets which are symmetrically distributed are mounted at the top of the lower injection molding part; connecting sheet positioning bosses welded with the lower injection...

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Hauptverfasser: HU YANLAN, TANG JIAOJUN, XU LIANG, PI YUPING, HUANG MING, SHUAI GENGHONG, NAN GUANG, GE ZHIMIN, ZHOU WEI
Format: Patent
Sprache:chi ; eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator HU YANLAN
TANG JIAOJUN
XU LIANG
PI YUPING
HUANG MING
SHUAI GENGHONG
NAN GUANG
GE ZHIMIN
ZHOU WEI
description The utility model discloses a square lithium ion top cover structure. INCLUDING A LOWER INJECTION MOLDING, pole bottom end metal sheets which are symmetrically distributed are mounted at the top of the lower injection molding part; connecting sheet positioning bosses welded with the lower injection molding part are arranged on two sides of the metal sheet at the bottom end of the pole; a groove connecting piece abutting against the connecting piece positioning boss is welded to the top of the metal sheet at the bottom end of the pole column through laser, and a top cover plate fixedly installed on the lower injection molding piece is arranged at the top of the groove connecting piece, so that the optimal rate in the battery cell manufacturing process is increased, gas extraction during battery cell negative pressure formation is facilitated, a battery cell interface is optimized, and battery cell performance is improved. 本实用新型公开了一种方形锂离子顶盖结构，包括下注塑件，下注塑件顶部安装有对称分布的极柱底端金属片，极柱底端金属片两侧均设有与下注塑件焊接的连接片定位凸台，极柱底端金属片顶部通过激
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Square lithium ion top cover structure
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