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.:
Date of Patent:
Apr. 01, 2025
Filed:
Feb. 16, 2021
Japan Metals and Chemicals Co., Ltd., Tokyo, JP;
Takao Sawa, Yamagata, JP;
Saki Notoyama, Yamagata, JP;
Tomoki Souma, Yamagata, JP;
Katsuyuki Kudo, Yamagata, JP;
Takuya Watanabe, Yamagata, JP;
JAPAN METALS AND CHEMICALS CO., LTD., Tokyo, JP;
Abstract
A hydrogen storage alloy suitable for a negative electrode of an alkaline storage battery is provided. The hydrogen storage alloy provided is a hydrogen storage alloy used for an alkaline storage battery that has, as a main phase, one or two crystal structures selected from an AB-type structure and an AB-type structure, and that is represented by a general formula: (LaCeSm)MgNiAlCr(where suffixes a, b, c, d, e, and f in this formula (1) meet the following conditions: 0<a≤0.15; 0≤b≤0.15; 0.17≤c≤0.32; 0.02≤e≤0.10; 0≤f≤0.05; and 2.95≤d+e+f≤3.50.