Title:
HYDROGEN STORAGE ALLOY, HYDROGEN STORAGE ALLOY ELECTRODE, AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2011/122462
Kind Code:
A1
Abstract:
Disclosed is a hydrogen storage alloy of which the chemical composition is represented by the general formula M1tM2uM3vCawMgxNiyM4z (wherein: 16×(d-1.870)/(d-r) ≤ v ≤ 16×(d-1.860)/(d-r); 1.6 ≤ w ≤ 3.2; 4.1 ≤ x ≤ 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 at least two elements selected from La, Pr, and Nd; M2 is one or at least two elements selected from V, Nb, Ta, Ti, Zr, and Hf; M3 is one or at least two elements selected from Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; M4 is one or at lest two element selected from Co, Mn, Al, Cu, Fe, Cr, Zn; d is the average atomic radius of the elements selected as M1; and r is the average atomic radius of the elements selected as M3). Further disclosed are an electrode and secondary battery using said hydrogen storage alloy.
Inventors:
OZAKI, Tetsuya (1 Inobaba-cho, Nishinosho, Kisshoin, Minami-ku, Kyoto-sh, Kyoto 20, 〒6018520, JP)
尾崎 哲也 (〒20 京都府京都市南区吉祥院西ノ庄猪之馬場町１番地 株式会社ＧＳユアサ内 Kyoto, 〒6018520, JP)
KANEMOTO, Manabu (1 Inobaba-cho, Nishinosho, Kisshoin, Minami-ku, Kyoto-sh, Kyoto 20, 〒6018520, JP)
金本 学 (〒20 京都府京都市南区吉祥院西ノ庄猪之馬場町１番地 株式会社ＧＳユアサ内 Kyoto, 〒6018520, JP)
尾崎 哲也 (〒20 京都府京都市南区吉祥院西ノ庄猪之馬場町１番地 株式会社ＧＳユアサ内 Kyoto, 〒6018520, JP)
KANEMOTO, Manabu (1 Inobaba-cho, Nishinosho, Kisshoin, Minami-ku, Kyoto-sh, Kyoto 20, 〒6018520, JP)
金本 学 (〒20 京都府京都市南区吉祥院西ノ庄猪之馬場町１番地 株式会社ＧＳユアサ内 Kyoto, 〒6018520, JP)
Application Number:
JP2011/057304
Publication Date:
October 06, 2011
Filing Date:
March 25, 2011
Export Citation:
Assignee:
GS Yuasa International Ltd. (1 Inobaba-cho, Nishinosho Kisshoin, Minami-ku, Kyoto-sh, Kyoto 20, 〒6018520, JP)
株式会社ＧＳユアサ (〒20 京都府京都市南区吉祥院西ノ庄猪之馬場町１番地 Kyoto, 〒6018520, JP)
OZAKI, Tetsuya (1 Inobaba-cho, Nishinosho, Kisshoin, Minami-ku, Kyoto-sh, Kyoto 20, 〒6018520, JP)
尾崎 哲也 (〒20 京都府京都市南区吉祥院西ノ庄猪之馬場町１番地 株式会社ＧＳユアサ内 Kyoto, 〒6018520, JP)
KANEMOTO, Manabu (1 Inobaba-cho, Nishinosho, Kisshoin, Minami-ku, Kyoto-sh, Kyoto 20, 〒6018520, JP)
株式会社ＧＳユアサ (〒20 京都府京都市南区吉祥院西ノ庄猪之馬場町１番地 Kyoto, 〒6018520, JP)
OZAKI, Tetsuya (1 Inobaba-cho, Nishinosho, Kisshoin, Minami-ku, Kyoto-sh, Kyoto 20, 〒6018520, JP)
尾崎 哲也 (〒20 京都府京都市南区吉祥院西ノ庄猪之馬場町１番地 株式会社ＧＳユアサ内 Kyoto, 〒6018520, JP)
KANEMOTO, Manabu (1 Inobaba-cho, Nishinosho, Kisshoin, Minami-ku, Kyoto-sh, Kyoto 20, 〒6018520, JP)
International Classes:
C22C19/00; H01M4/38; B22F5/00; B22F9/08; C22C1/00; C22C1/02; C22F1/00; C22F1/10
Attorney, Agent or Firm:
FUJIMOTO, Noboru (Sakaisuji-Inabata Bldg. 2F, 15-14 Minamisemba 1-chome, Chuo-ku, Osaka-sh, Osaka 81, 〒5420081, JP)
Claims:
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