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.

Date of Patent:
Apr. 11, 2017

Filed:

Mar. 12, 2015
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Tetsuro Kano, Kashiwazaki, JP;

Hiromichi Kuriyama, Kashiwazaki, JP;

Yuki Watanabe, Kashiwazaki, JP;

Hidesato Saruwatari, Kashiwazaki, JP;

Norio Takami, Yokohama, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/485 (2010.01); H01M 4/131 (2010.01); H01M 2/16 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/36 (2006.01); H01M 4/58 (2010.01); H01M 4/66 (2006.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 4/02 (2006.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
H01M 2/1673 (2013.01); H01M 4/131 (2013.01); H01M 4/364 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/58 (2013.01); H01M 4/661 (2013.01); H01M 4/664 (2013.01); H01M 4/667 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2010/4292 (2013.01);
Abstract

According to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a negative electrode, a positive electrode, and a nonaqueous electrolyte. The negative electrode includes an oxide of titanium. The positive electrode includes a positive electrode current collector including aluminum, a positive electrode layer including a nickel-cobalt-manganese composite oxide including lithium, and a passive film formed on the positive electrode current collector. A ratio p/n of a capacity p of the positive electrode to a capacity n of the negative electrode falls within the range from 1.1 to 1.8.


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