High capacity composite electrode and secondary cell therefrom

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode

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4292181, 4292318, 429322, H01M 460

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active

060905042

ABSTRACT:
The present invention relates to an improved secondary battery having high weight energy density and good reversibility, more specifically, a battery containing i) a positive electrode comprising a reversible positive electrode material containing an organosulfur compound wherein sulfur-sulfur bond is formed upon oxidation and sulfur-sulfur bond is cleaved upon electrolytic reduction, an electroactive component selected from main group elements compound, electrically conductive ingredients and a current collector containing copper metal; ii) a polymer electrolyte having lithium salt; and iii) a negative electrode made of lithium metal, lithium alloy or lithium intercalating carbon.

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patent: 5324599 (1994-06-01), Oyama et al.
patent: 5516598 (1996-05-01), Visco et al.
patent: 5573871 (1996-11-01), Von Benda
patent: 5665492 (1997-09-01), Sotomura
patent: 5869206 (1999-02-01), Sotomura
Oyama, et al., Nature, 373:6515, pp. 598-600, Feb. 16, 1995.
Oyama et al. "Disulphide-Polyaniline Composite Cathodes For Rechargeable Batteries High Energy Density". Macromolecular Symposia vol. 105, Mar. 1996, pp. 85-90.

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