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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 10263251 B1

PDFFull Text
Date of Patent:
Apr. 16, 2019

Filed:

Mar. 15, 2017

Battery negative electrode, battery, and manufacturing method of battery negative electrode

Applicants:

Tomohiro Ueno, Muroran-shi, Hokkaido, JP;

Kazuya Kubo, Muroran-shi, Hokkaido, JP;

Hiroshi Kawano, Muroran-shi, Hokkaido, JP;

Toshio Takahashi, Muroran-shi, Hokkaido, JP;

Exergy Power Systems, Inc., Bunkyo-ku, Tokyo, JP;

Inventors:

Tomohiro Ueno, Hokkaido, JP;

Kazuya Kubo, Hokkaido, JP;

Hiroshi Kawano, Hokkaido, JP;

Toshio Takahashi, Hokkaido, JP;

Kaduo Tsutsumi, Tokyo, JP;

Assignees:

THE JAPAN STEEL WORKS, LTD., Tokyo, JP;

EXERGY POWER SYSTEMS, INC., Tokyo, JP;

Attorney:

Holtz, Holtz & Volek PC

Primary Examiner:

Cynthia H Kelly

Assistant Examiner:

Monique M Wills

Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 4/38 (2006.01); B22F 9/04 (2006.01); C22C 19/03 (2006.01); C22F 1/10 (2006.01); H01M 4/04 (2006.01); H01M 4/52 (2010.01); H01M 10/26 (2006.01); H01M 10/34 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/383 (2013.01); B22F 9/04 (2013.01); C22C 19/03 (2013.01); C22F 1/10 (2013.01); H01M 4/0404 (2013.01); H01M 4/52 (2013.01); H01M 10/26 (2013.01); H01M 10/345 (2013.01); B22F 2301/15 (2013.01); B22F 2304/10 (2013.01); B22F 2998/10 (2013.01); H01M 2004/021 (2013.01); H01M 2220/10 (2013.01); H01M 2300/0014 (2013.01);
Abstract

A battery negative electrode includes a hydrogen storage alloy as a negative electrode active material, wherein the hydrogen storage alloy has a mean volume diameter within a range from 4 μm to 12 μm, and is disposed to be capable of being in contact with hydrogen in a hydrogen containing part in which hydrogen is contained.

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