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:

Apr. 05, 2016
Applicant:

Kabushiki Kaisha Toyota Jidoshokki, Kariya-shi, Aichi, JP;

Inventors:

Atsushi Saito, Kariya, JP;

Tatsuya Eguchi, Kariya, JP;

Manabu Miyoshi, Kariya, JP;

Jun Kaneda, Kariya, JP;

Tomokuni Abe, Kariya, JP;

Hiroki Oshima, Kariya, JP;

Assignee:

KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya-shi, Aichi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/134 (2010.01); H01M 4/587 (2010.01); H01M 4/36 (2006.01); H01M 4/62 (2006.01); H01M 4/133 (2010.01); H01M 4/38 (2006.01); H01M 10/0525 (2010.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); H01M 4/133 (2013.01); H01M 4/364 (2013.01); H01M 4/386 (2013.01); H01M 4/587 (2013.01); H01M 4/622 (2013.01); H01M 10/0525 (2013.01); H01M 10/052 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract

The negative electrode includes a current collector, a negative electrode active material layer arranged on a surface of the current collector, and a protective layer arranged on a surface of the negative electrode active material layer. The negative electrode active material layer includes a first negative electrode active material having an aspect ratio defined as 'a'/'b' to fall in a range of from two or more to eight or less when a length of the major axis is defined “a” and a length of the minor axis is defined “b.” The protective layer includes a ceramic powder.


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