06261517 is referenced by 7 patents and cites 16 patents.

A rare earth metal-nickel hydrogen storage alloy of a composition represented by the formula:

RNi

a

Mn

b

Co

c

Al

d

X

e

(R stands for one or more rare earth elements including Sc and Y, not less than 95 atom % of which is one or more elements selected from the group consisting of La, Ce, Pr, and Nd; X stands for one or more elements selected from the group consisting of Fe, Cu, Zn, V, and Nb; a, b, c, d, and e satisfy the relations of 3.9&lE;a<6.0, 0.45&lE;b<1.5, 0.01&lE;c<0.3, 0.4&lE;d&lE;1, 0&lE;e&lE;0.2, and 5.2&lE;a&plus;b&plus;c&plus;d&plus;e&lE;7.5), the alloy having a matrix of CaCu

5

structure, and a Mn-rich secondary phase of 0.3 to 5 &mgr;m finely dispersed in the matrix at surface ratio of 0.3 to 7%; a method for producing the same; and an anode for a nickel-hydrogen rechargeable battery containing as anode material the hydrogen storage alloy and an electrically conductive material.

Title
Rare earth metal-nickel hydrogen storage alloy, a method for producing the same, and anode for nickel-hydrogen rechargeable battery
Application Number
9/202129
Publication Number
6261517 (B1)
Application Date
March 1, 1999
Publication Date
July 17, 2001
Inventor
Yuji Tanibuchi
Himeji
US
Masafumi Irikawa
Miki
US
Akihito Kaneko
Kobe
US
Agent
Darby & Darby
US
Assignee
Santoku Metal
US
IPC
C22C 19/03
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