The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 26, 2000
Filed:
Dec. 18, 1997
Shuji Ito, Akashi, JP;
Toshihide Murata, Izumiotsu, JP;
Yasuhiko Bito, Minamikawachi-gun, JP;
Yoshinori Toyoguchi, Yao, JP;
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Abstract
The present invention provides a non-aqueous electrolyte secondary battery having an anode active material with a high capacity and excellent cycle characteristics. The active material comprises a salt of a metal or a semi-metal and a compound selected from the group consisting of oxo-acids, thiocyanic acid, cyanogen, and cyanic acid, wherein each said oxo-acid comprises an element selected from the group consisting of nitrogen, sulfur, carbon, boron, phosphorus, selenium, tellurium, tungsten, molybdenum, titanium, chromium, zirconium, niobium, tantalum, manganese, and vanadium, salts of said oxo-acids of phosphorus and boron being restricted to hydrogenphosphates and hydrogenborates.