Matsushita Electric Industrial Co., Ltd.

Kuraray Co., Ltd.

Tomoyasu Sonetaka

Hiroyuki Kawai

Hideo Hayashi

Junichi Asaoka

Yuji Mototani

Shingo Nakanishi

A separator for alkaline batteries comprising as at least part of the main fibers a fibrilated product of cellulose fiber obtained by dissolving cellulose in a solvent and depositing cellulose directly. As another main fiber, preferably an extra fine synthetic fiber, particularly preferably a polyvinyl alcohol synthetic fiber is used. The binder is preferably polyvinyl alcohol. Also provided is an alkaline battery wherein such a separator is used. Preferably, the above cellulose fiber is cellulose fiber whose wet Young's modulus is 20 g/d or more and orientation degree .DELTA.n is 42.times.10.sup.-3 or more.

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Okayama, Japan

Tomoyasu Sonetaka