Matsushita Electric Industrial Co., Ltd.

Osamu Aoya

Hiroki Takeshima

Hironori Ura

Takehiro Chinen

Ryoichi Hamasaki

A battery pack includes a plurality of cells () stacked on top of one another in tiers; a heat collecting plate () made of a wave-like metal sheet and interposed between tiers of the cells so as to make contact with outer peripheral surfaces of upper and lower tiers of the cells alternately; a heat pipe () having its heating portion () fitted into a fitting groove () formed in the heat collecting plate; a pack case () for accommodating the cells, the heat collecting plate, and the heat pipe; and a heat dissipating member () attached to the pack case so as to close an opening of the pack case and having on its inner-surface side a concavely-formed receiving groove () into which a heat dissipating portion () of the heat pipe is fitted.

Growing community of inventors

Aichi, Japan

Osamu Aoya