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:
Sep. 20, 2016
Filed:
Mar. 25, 2011
Tetsuya Ozaki, Kyoto, JP;
Manabu Kanemoto, Kyoto, JP;
Yoshiteru Kawabe, Kyoto, JP;
Tadashi Kakeya, Kyoto, JP;
Tetsuya Ozaki, Kyoto, JP;
Manabu Kanemoto, Kyoto, JP;
Yoshiteru Kawabe, Kyoto, JP;
Tadashi Kakeya, Kyoto, JP;
GS Yuasa International Ltd., Kyoto, JP;
Abstract
The present invention provides a hydrogen absorption alloy, which includes chemical composition represented by the general formula M1M2M3CaMgNiM4wherein 16×(d−1.870)/(d−r)≦v≦16×(d−1.860)/(d−r); 1.6≦w≦3.2; 4.1≦×≦5.1; 3.2≦(y+z)/(t+u+v+w+x)≦3.4; t +u+v+w+x+y+z=100; M1 is one or more elements selected from La, Pr, and Nd; M2 is one or more elements selected from V, Nb, Ta, Ti, Zr, and Hf; M3 is one or more elements selected from Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; M4 is one or more elements selected from Co, Mn, Al, Cu, Fe, Cr, and Zn; d is an average atomic radius of the elements selected as M1; and r is an average atomic radius of the elements selected as M3; and an electrode and a secondary battery using the same.