Metal-sulfur type cell having improved positive electrode

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United States of America Patent

PATENT NO 4833048
SERIAL NO

07175782

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Abstract

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An novel metal-sulfur type cell operable at a temperature of 200.degree. C. or less with an energy density of 150 Whrs/Kg or better is disclosed characterized by an organo-sulfur cathode formed from an organic-sulfur compound having the general formula, in its charged state, of (R(S).sub.y).sub.n wherein y=1 to 6; n=2 to 20; and R is one or more different aliphatic or aromatic organic moieties having 1 to 20 carbon atoms, which may include one or more oxygen, sulfur, or nitrogen heteroatoms when R comprisises one of more aromatic rings, or one or more oxygen, sulfur, nitrogen, or fluorine atoms associtated with the chain when R comprises an aliphatic chain, wherein the aliphatic group may be linear or branched, saturated or unsaturated, and wherein either the aliphatic chain or the aromatic ring may have substituted groups thereon.

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Patent Owner(s)

Patent OwnerAddress
REGENTS OF THE UNIVERSITY OF CALIFORNIA THE300 LAKESIDE DRIVE 22ND FLOOR OAKLAND CA 94612 UNITED STATES OF AMERICA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Armand, Michel B St. Martin D'Uriage, FR 10 592
Dejonghe, Lutgard C Berkeley, CA 25 2196
Mailhe, Catherine C Berkeley, CA 3 494
Visco, Steven J Berkeley, CA 211 13471

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