BATTERY

WIPO Patent Application WO/2023/136049

A1

This battery comprises: a power storage element (12) including a positive electrode, a negative electrode, and an insulating film that is disposed between the positive electrode and the negative electrode and electrically separates the positive electrode and the negative electrode; and a case (11) that accommodates the power storage element (12) in an airtight state. The case (11) comprises: a first member (1) having a bottom section (1a) and cylinder section (1b); a second member (2) having a lid-like section (2a) covering an opening in the first member (1), and a circumferential wall section (2b) that surrounds the cylinder section (1b) from the outer side; and a gasket (3) that is disposed so as to be continuous between an end face (1c) of the first member (1) and the second member (2) and between the cylinder section (1b) and the second member (2). Non-contacting sections (41, 42), which the gasket (3) does not contact, are provided to one or both of a portion of a first surface (1d) of the first number (1) opposing the gasket (3) and a portion of a second surface (2d) of the second member (2) opposing the gasket (3).

WO/2001/071828	MANGANESE DRY BATTERY
WO/2023/182784	SECONDARY BATTERY SEALING GAP MEASUREMENT EQUIPMENT AND MEASUREMENT METHOD
JP7014688	Power storage module

NOJIMA AKINOBU (JP)
WATANABE SHINYA (JP)
HIRABAYASHI YUKIKO (JP)

PCT/JP2022/046628

July 20, 2023

December 19, 2022

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TDK CORP (JP)

H01M50/186; H01M50/109; H01M50/153; H01M50/184

JP2014110317A	2014-06-12
JP2006024446A	2006-01-26
JP2014022120A	2014-02-03

OIKAWA Shu et al. (JP)

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