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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 9738952 B1

PDFFull Text
Date of Patent:
Aug. 22, 2017

Filed:

Mar. 25, 2015

Hydrogen storing alloy

Applicant:

Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;

Inventors:

Shingo Kikugawa, Takehara, JP;

Keisuke Miyanohara, Takehara, JP;

Yoshimi Hata, Takehara, JP;

Assignee:

Mitsui Mining & Smelting Co., Ltd., Tokyo, JP;

Attorney:

The Webb Law Firm

Primary Examiner:

Kenneth Douyette

Int. Cl.
CPC ...
H01M 4/04 (2006.01); H01M 4/38 (2006.01); C22C 19/00 (2006.01); C22C 19/03 (2006.01); C22F 1/10 (2006.01); B22D 7/00 (2006.01); B22D 21/00 (2006.01); C22C 1/02 (2006.01); H01M 10/04 (2006.01); H01M 10/34 (2006.01); B22F 1/00 (2006.01); C22F 1/00 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
C22C 19/007 (2013.01); B22D 7/005 (2013.01); B22D 21/005 (2013.01); C22C 1/02 (2013.01); C22C 19/00 (2013.01); C22C 19/03 (2013.01); C22F 1/10 (2013.01); H01M 4/0471 (2013.01); H01M 4/0485 (2013.01); H01M 4/0488 (2013.01); H01M 4/385 (2013.01); H01M 10/0413 (2013.01); H01M 10/345 (2013.01); B22F 1/00 (2013.01); C22F 1/00 (2013.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01);
Abstract

A hydrogen storing alloy containing only a few impurities leading to a short circuit where the yield can be maintained even when the alloy is subjected to magnetic separation treatment. A hydrogen storing alloy includes a matrix phase having an AB5 type crystal structure, the alloy having a misch metal (referred to as 'Mm') in an A-site in an ABx composition and having any one or at least one of Ni, Al, Mn, and Co in a B-site in the ABx composition, wherein the ratio (referred to as 'ABx') of the total number of moles of elements comprising the B site to the total number of moles of elements comprising the A site is 5.00<ABx≦5.40; the content of Co is more than 0.0 mol % and less than 0.7 mol %; and residual magnetization is more than 0 emu/g and 0.020 emu/g or less.

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