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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 10290855 B1

PDFFull Text
Date of Patent:
May. 14, 2019

Filed:

Nov. 19, 2013

Negative electrode for electrical device, and electrical device using the same

Applicant:

Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa-ken, JP;

Inventors:

Kensuke Yamamoto, Yokohama, JP;

Manabu Watanabe, Yokosuka, JP;

Fumihiro Miki, Sagamihara, JP;

Takashi Sanada, Yokohama, JP;

Nobutaka Chiba, Yokohama, JP;

Assignee:

NISSAN MOTOR CO., LTD., Yokohama-shi, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Alix E Eggerding

Int. Cl.
CPC ...
H01M 4/134 (2010.01); C22C 13/00 (2006.01); C22C 18/00 (2006.01); C22C 27/02 (2006.01); C22C 28/00 (2006.01); C22C 30/04 (2006.01); C22C 30/06 (2006.01); H01M 4/38 (2006.01); H01M 4/42 (2006.01); H01M 4/62 (2006.01); C22C 24/00 (2006.01); C22C 29/18 (2006.01); C22C 1/04 (2006.01); C22C 1/02 (2006.01); C22C 9/00 (2006.01); C22C 30/00 (2006.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/485 (2010.01); H01M 4/66 (2006.01); H01M 4/70 (2006.01); H01M 10/04 (2006.01); H01M 10/0525 (2010.01); H01M 10/0585 (2010.01); H01M 10/052 (2010.01); C22C 1/10 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); C22C 1/02 (2013.01); C22C 1/045 (2013.01); C22C 1/0416 (2013.01); C22C 1/0483 (2013.01); C22C 9/00 (2013.01); C22C 13/00 (2013.01); C22C 18/00 (2013.01); C22C 24/00 (2013.01); C22C 27/025 (2013.01); C22C 28/00 (2013.01); C22C 29/18 (2013.01); C22C 30/00 (2013.01); C22C 30/04 (2013.01); C22C 30/06 (2013.01); H01M 4/0402 (2013.01); H01M 4/0471 (2013.01); H01M 4/131 (2013.01); H01M 4/386 (2013.01); H01M 4/387 (2013.01); H01M 4/42 (2013.01); H01M 4/485 (2013.01); H01M 4/622 (2013.01); H01M 4/623 (2013.01); H01M 4/624 (2013.01); H01M 4/625 (2013.01); H01M 4/661 (2013.01); H01M 4/70 (2013.01); H01M 10/0427 (2013.01); H01M 10/0525 (2013.01); H01M 10/0585 (2013.01); C22C 1/1084 (2013.01); H01M 4/66 (2013.01); H01M 10/052 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 2220/30 (2013.01);
Abstract

A negative electrode for an electrical device includes: a current collector; and an electrode layer containing a negative electrode active material, an electrically-conductive auxiliary agent and a binder and formed on a surface of the current collector, wherein the negative electrode active material contains an alloy represented by a following formula (1): SiZnMA(in the formula (1) M is at least one metal selected from the group consisting of V, Sn, Al, C and combinations thereof, A is inevitable impurity, and x, y, z and a represent mass percent values and satisfy 0<x<100, 0<y<100, 0<z<100, 0≤a<0.5 and x+y+z+a=100), and elongation (δ) of the electrode layer is 1.29<δ<1.70%.

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