Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
コイン形電池
Document Type and Number:
Japanese Patent JP7261713
Kind Code:
B2
Abstract:
A coin-shaped cell, containing:a battery cell case having a bottom plate and a side portion rising from a rim of the bottom plate;a sealing plate having a top plate and a rim portion extending from the top plate to the inside of the side portion;a gasket compressed and interposed between the side portion and the rim portion;power generation elements sealed by the battery cell case, the sealing plate, and the gasket; anda pressure-sensitive conductive film disposed on an outer surface of at least one of the battery cell case and the sealing plate;wherein the pressure-sensitive conductive film includes a first elastomer layer that holds conductive particles, and a second elastomer layer which is disposed on at least one surface of the first elastomer layer and is in contact with at least a part of the conductive particles among the conductive particles held to the first elastomer layer, andwherein an average particle diameter of the conductive particles is equal to or larger than a thickness of an elastomer part of the first elastomer layer, and the conductive particles are disposed in a single layer in a planar direction of the first elastomer layer.

Inventors:
Takahashi Tadayoshi
Tomohiro Kiko
Rina Nakamura
Shuichi Otsubo
Kazuyuki Ohdate
Application Number:
JP2019176424A
Publication Date:
April 20, 2023
Filing Date:
September 27, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Panasonic Holdings Co., Ltd.
Fukoku Co., Ltd.
International Classes:
H01M50/109; H01M50/122; H01M50/124; H01M50/153; H01M50/184; H01M50/562; H01M50/588; H01M50/591
Domestic Patent References:
JP59049109A
JP2007533100A
Foreign References:
US20180159092
US20160020436
WO2016179504A1
WO2018084075A1
Attorney, Agent or Firm:
Patent Attorney Corporation Iida and Partners
Toshizo Iida
Shuichi Akabane
Ikuo Shinoda