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:
Feb. 11, 2020

Filed:

Sep. 07, 2018
Applicants:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Toshiba Infrastructure Systems & Solutions Corporation, Kawasaki-shi, JP;

Inventors:

Asuna Hagiwara, Kashiwazaki, JP;

Hidesato Saruwatari, Yokohama, JP;

Dai Yamamoto, Kashiwazaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/04 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); H01M 4/04 (2013.01); H01M 10/0525 (2013.01); H01M 2004/027 (2013.01);
Abstract

According to one embodiment, a nonaqueous electrolyte battery includes a negative electrode and a nonaqueous electrolyte. The negative electrode includes a negative electrode active material and a binder. The negative electrode active material contains monoclinic titanium dioxide or LiTiO(here, −0.5≤a≤3). The binder includes polyvinylidene fluoride with a molecular weight of 400,000 to 1,000,000. The negative electrode satisfies a formula (I) below. The nonaqueous electrolyte contains at least one of difluorophosphate and monofluorophosphate.0.1≤(P2/P1)≤0.4  (I)


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