Hydrogen storage alloy electrodes

Details Hydrogen storage alloy electrodes Hydrogen storage alloy electrodes

1993-09-13

1995-11-21

Simmons, David A.

Metal treatment

Stock

Titanium, zirconium, or hafnium base

420900, 420422, 429218, 429224, 423644, C22C 2200

Patent

active

054683092

ABSTRACT:
A hydrogen storage alloy electrode comprising a hydrogen storage alloy having a major phase of C15 (MgCu.sub.2) type Laves phase with a composition expressed as ZrMn.sub.w M.sub.x Cr.sub.y Ni.sub.z (where M is one or more elements selected from V and Mo), or its hydride. In this formula, one composition range is 0.6.ltoreq.w.ltoreq.0.8, 0.1.ltoreq.x.ltoreq.0.3, 0<y.ltoreq.0.2, and 1.2.ltoreq.z.ltoreq.1.5, and the other composition range is 0.6.ltoreq.w.ltoreq.0.8, 0.1.ltoreq.x.ltoreq.0.3, 0<y.ltoreq.0.2, and 0.8.ltoreq.z.ltoreq.1.2.

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Ovshinsky et al. Science 260 (Apr. 1993) 176.

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