Patent Number: 6,310,763

Title: Electric double layer capacitor

Abstract: An electric double layer capacitor having an element impregnated with a non-aqueous electrolyte, the element comprising positive and negative electrodes made of carbonaceous electrodes, and a separator interposed between the electrodes, wherein the separator is made of paper prepared to contain at least 50 wt % of fibers obtained by beating regenerated cellulose fibers.

Inventors: Suhara; Manabu (Kanagawa, JP), Hiratsuka; Kazuya (Kanagawa, JP), Kawasato; Takeshi (Kanagawa, JP), Ikeda; Katsuji (Kanagawa, JP)

Assignee: Asahi Glass Company Ltd.

International Classification: H01G 9/02 (20060101); H01G 009/02 ()

Expiration Date: 10/30/2018