Sanyo Electric Co., Ltd.

Michinori Ikezoe

Takashi Oda

Hideki Okajima

An assembled storage battery unit of the collective type includes a plurality of storage batteries assembled as a unit. The storage batteries each include positive and negative electrodes layered through a separator and contained in a bottomed parallelepiped battery casing filled with electrolyte and a closure plate welded to an upper opening end of the battery casing to seal the interior of the battery casing. The battery casings each are integrally formed with a plurality of vertical ribs spaced in parallel at one side wall thereof faced to the corresponding side wall of the battery casing adjacent thereto. The vertical ribs of each of the battery casings are coupled with the corresponding vertical ribs of the battery casing adjacent thereto to form a plurality of vertical ventilation spaces.

Growing community of inventors

Itano-gun, Japan

Michinori Ikezoe