電池、電池パック、蓄電装置、車両及び飛翔体

Japanese Patent JP7011043

B2

The present invention addresses the problem of providing a thin battery having a lead shape and excellent large current characteristics, a battery pack, a power storage device, a vehicle, and a flying object. A battery according to an embodiment comprises: an electrode group; an exterior member; a positive electrode terminal unit; and a negative electrode terminal unit. The flat plate-shaped electrode group includes: a positive electrode; a positive electrode current collector tab electrically connected to the positive electrode; a negative electrode; and a negative electrode current collector tab electrically connected to the negative electrode, wherein the positive electrode current collector tab wound in a flat plate shape is located on a first end surface, and the negative electrode current collector tab wound in a flat plate shape is located on a second end surface. The exterior member includes: an electrode group-side positive electrode lead electrically connected to the positive electrode current collector tab; an electrode group-side negative electrode lead electrically connected to the negative electrode current collector tab; a first exterior unit having a flange part in an opening part thereof; and a second exterior unit. The electrode group is accommodated in a space formed by welding the second exterior unit and the flange part of the first exterior unit.

Naoki Iwamura
Takeshita Koichi
Tatsuya Hashimoto

JP2020508678A

February 10, 2022

March 28, 2018

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Toshiba Corporation

H01M50/103; H01M50/169; H01M50/176; H01M50/249; H01M50/533; H01M50/536; H01M50/548; H01M50/553; H01M50/567

JP2017126531A
JP2013137992A

WO2016204147A1

Torushin Ikegami
Akira Sudo
Masahiro Takashita

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