Sanyo Electric Co., Ltd.

Hiroshi Arikawa

Kazuaki Fukutome

Masaya Nakano

Jyunichi Fukumori

In a battery pack, a battery core pack is housed in an outer case where a gas discharge hole is closed by a breathable waterproof sheet, a design sheet is disposed to cover the breathable waterproof sheet, a gas groove is provided between the breathable waterproof sheet and the design sheet, and the gas groove communicates with a discharge side of the breathable waterproof sheet.

Battery pack

A battery pack includes a battery assembly, a heat radiation molding being molded in advance and having flexibility, and an external case housing the battery assembly. The battery assembly includes at least one secondary battery cell and a battery holder to hold and house the at least one secondary battery cell. A heat radiation molding covers a surface of the at least one secondary battery cell and is designed to melt in response to heat generated from the at least one secondary battery cell.

Growing community of inventors

Hyogo, Japan

Hiroshi Arikawa