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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 10566608 B1

PDFFull Text
Date of Patent:
Feb. 18, 2020

Filed:

Nov. 19, 2013

Negative electrode for electric device and electric device using the same

Applicant:

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

Inventors:

Fumihiro Miki, Sagamihara, JP;

Manabu Watanabe, Yokosuka, JP;

Kensuke Yamamoto, Yokohama, JP;

Takashi Sanada, Yokohama, JP;

Nobutaka Chiba, Yokohama, JP;

Assignee:

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

Attorney:

Foley & Lardner LLP

Primary Examiner:

Karie O'Neill Apicella

Int. Cl.
CPC ...
H01M 4/134 (2010.01); C22C 13/00 (2006.01); C22C 30/04 (2006.01); H01M 4/38 (2006.01); H01M 10/052 (2010.01); C22C 24/00 (2006.01); C22C 29/18 (2006.01); C22C 30/00 (2006.01); C22C 1/04 (2006.01); C04B 35/01 (2006.01); H01M 4/04 (2006.01); C01B 33/00 (2006.01); C22C 1/10 (2006.01); C22C 27/02 (2006.01); H01M 4/136 (2010.01); H01M 10/0525 (2010.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/134 (2013.01); C01B 33/00 (2013.01); C04B 35/013 (2013.01); C22C 1/0416 (2013.01); C22C 1/0483 (2013.01); C22C 1/1036 (2013.01); C22C 1/1084 (2013.01); C22C 13/00 (2013.01); C22C 24/00 (2013.01); C22C 27/025 (2013.01); C22C 29/18 (2013.01); C22C 30/00 (2013.01); C22C 30/04 (2013.01); H01M 4/0426 (2013.01); H01M 4/136 (2013.01); H01M 4/386 (2013.01); H01M 4/387 (2013.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01); C01P 2006/40 (2013.01); C04B 2235/3203 (2013.01); C04B 2235/3275 (2013.01); C04B 2235/3279 (2013.01); H01M 4/621 (2013.01); H01M 4/624 (2013.01); H01M 4/661 (2013.01); H01M 4/662 (2013.01); H01M 4/663 (2013.01); H01M 4/668 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract

The negative electrode for an electric device includes a current collector and an electrode layer containing a negative electrode active material, a 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 the following formula (1): SiSnMA(in the formula (1), M is at least one metal selected from the group consisting of Al, V, C and a combination thereof, A is inevitable impurities, and x, y, z and a represent mass percent values and satisfy the conditions of 0<x<100, 0<y<100, 0<z<100, 0≤a<0.5, and x+y+z+a=100), and elastic elongation of the current collector is 1.30% or greater.

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