BUTTON CELL

WIPO Patent Application WO/2022/104958

A1

Provided is a button cell, comprising a housing (100), a terminal (200), a sealing member (300), and a battery cell (400), the housing (100) being provided with through-hole; the terminal (200) is disposed passing through the through-hole, the terminal (200) is sealingly connected to the housing (100) by means of an insulating member (240), the housing (100) or the terminal (200) is provided with a liquid filling hole (230), and the liquid filling hole (230) is in communication with the interior of the housing (100); the sealing member (300) is used for closing the liquid filling hole (230); the battery cell (400) is mounted inside the housing (100), a first electrode tab (410) and second electrode tab (420) of opposite polarity are arranged at the two ends of the battery cell (400), respectively, the first electrode tab (410) is electrically connected to the housing (100), and the second electrode tab (420) is electrically connected to the terminal (200). The structure is simple, the housing (100) itself occupies little space in the structure, and the internal space of the housing (100) is large, effectively increasing the energy density of the battery and satisfying production needs.

LING WANNONG (CN)

PCT/CN2020/135794

May 27, 2022

December 11, 2020

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JIANGMEN YUANXI TECH CO LTD (CN)

H01M50/109; H01M50/181

CN112002834A	2020-11-27
CN111682129A	2020-09-18
CN211907486U	2020-11-10
CN111933831A	2020-11-13
CN111613739A	2020-09-01
CN111162204A	2020-05-15
JP2020095904A	2020-06-18
US20120321937A1	2012-12-20

JIAQUAN IP LAW (CN)

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