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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.:

US 10741896 B1

PDFFull Text
Date of Patent:
Aug. 11, 2020

Filed:

Sep. 09, 2015

Battery system

Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Haruchika Ishii, Kashiwazaki, JP;

Kazuya Kuriyama, Saku, JP;

Toshihide Arikawa, Kashiwazaki, JP;

Hirotada Tahara, Kashiwazaki, JP;

Masataka Shikota, Kashiwazaki, JP;

Hiroki Inagaki, Yokohama, JP;

Yuichi Kikuma, Kashiwazaki, JP;

Kengo Kurata, Kashiwazaki, JP;

Hirotaka Hayashida, Kashiwazaki, JP;

Yoshinao Tatebayashi, Kashiwazaki, JP;

Assignee:

KABUSHIKI KAISHA TOSHIBA, Minato-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Golam Mowla

Int. Cl.
CPC ...
H01M 10/06 (2006.01); H01M 4/525 (2010.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01); H01M 16/00 (2006.01); B60L 58/21 (2019.01); B60L 50/64 (2019.01); H01M 4/131 (2010.01); H01M 10/44 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 16/00 (2013.01); B60L 50/64 (2019.02); B60L 58/21 (2019.02); H01M 4/131 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); H01M 10/06 (2013.01); H01M 10/44 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01); Y02E 60/126 (2013.01); Y02T 10/7011 (2013.01); Y02T 10/7016 (2013.01); Y02T 10/7061 (2013.01);
Abstract

According to an embodiment, there is provided a battery system. The battery system includes a first battery and a second battery connected in parallel with the first battery. The first battery includes a lead storage battery. The second battery includes a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode and a negative electrode. The negative electrode includes a negative-electrode-mixture layer, and the negative-electrode-mixture layer contains lithium titanate. The positive electrode contains a positive electrode active material LiMnM(a)O. A ratio of a battery capacity of the second battery to a battery capacity of the first battery is in a range of 1/133 to 1/2.

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