Sony Corporation

Sony-Eveready Inc.

Shigeru Oishi

Toru Nagaura

Takao Abe

Mochiyuki Watanabe

A cell having an explosion proof valve is disclosed, in which the valve is deformable upon increase of inner pressure of the cell to cut a connection lead which connects the valve with a generator unit contained in the cell. The supply of charging current is cut off when the inner pressure of the cell has abnormally increased. The gradual increase of the inner pressure can be effected by selecting suitable cathode active material.

Cell having current cutoff valve

An organic electrolyte cell is disclosed which comprises an anode mainly composed of Li and containing Al and a cathode mainly composed of manganese dioxide, wherein the amounts for Li, Al and manganese dioxide are determined such that they are included within a region surrounded by:

Growing community of inventors

Fukushima, Japan

Shigeru Oishi