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:
Oct. 11, 2016
Filed:
Jul. 03, 2013
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Dai Yamamoto, Yokohama, JP;
Shinsuke Matsuno, Tokyo, JP;
Hidesato Saruwatari, Saku, JP;
Hiroko Watando, Tokyo, JP;
Sayaka Morimoto, Tokyo, JP;
Kazuya Kuriyama, Saku, JP;
Hideki Satake, Saku, JP;
KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;
Abstract
According to one embodiment, there is provided a nonaqueous electrolyte secondary battery including a positive electrode, a negative electrode containing a titanium-containing oxide, and a nonaqueous electrolyte. The nonaqueous electrolyte contains carbon monoxide and at least one selected from difluorophosphoric acid and monofluorophosphoric acid. The ratio of the mass concentration of carbon monoxide to the sum of the mass concentrations of difluorophosphoric acid and monofluorophosphoric acid is in the range of 0.1 to 5%.