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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 9869007 B1

PDFFull Text
Date of Patent:
Jan. 16, 2018

Filed:

Jul. 26, 2016

Hydrogen storage alloy, hydrogen storage alloy electrode, secondary battery, and method for producing hydrogen storage alloy

Applicants:

Gs Yuasa International Ltd., Minami-ku, Kyoto-shi, Kyoto, JP;

National Institute of Advanced Industrial Science and Technology, Chiyoda-ku, Tokyo, JP;

Inventors:

Tadashi Kakeya, Kyoto, JP;

Manabu Kanemoto, Kyoto, JP;

Minoru Kuzuhara, Kyoto, JP;

Tetsuya Ozaki, Kyoto, JP;

Masaharu Watada, Kyoto, JP;

Tetsuo Sakai, Osaka, JP;

Assignees:

GS YUASA INTERNATIONAL LTD., Kyoto, JP;

NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, Tokyo, JP;

Attorney:

Sterne, Kessler, Goldstein & Fox PLLC

Primary Examiner:

Yoshitoshi Takeuchi

Int. Cl.
CPC ...
H01M 4/52 (2010.01); H01M 4/32 (2006.01); H01M 10/30 (2006.01); H01M 6/10 (2006.01); C22F 1/10 (2006.01); C22C 19/03 (2006.01); C22C 1/04 (2006.01); C22C 19/00 (2006.01); H01M 4/38 (2006.01); H01M 4/36 (2006.01); C22C 1/02 (2006.01); C22F 1/00 (2006.01); H01M 4/134 (2010.01); H01M 4/1395 (2010.01); H01M 10/34 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
C22C 19/03 (2013.01); C22C 1/023 (2013.01); C22C 1/0441 (2013.01); C22C 19/007 (2013.01); C22F 1/002 (2013.01); C22F 1/10 (2013.01); H01M 4/134 (2013.01); H01M 4/1395 (2013.01); H01M 4/366 (2013.01); H01M 4/383 (2013.01); H01M 10/345 (2013.01); H01M 2004/027 (2013.01); Y10T 428/12493 (2015.01);
Abstract

Provided is a hydrogen storage alloy which is characterized in that two or more crystal phases having different crystal structures are layered in a c-axis direction of the crystal structures. The hydrogen storage alloy is further characterized in that a difference between a maximum value and a minimum value of a lattice constant a in the crystal structures of the laminated two or more crystal phases is 0.03 Å or less.

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