A fuel cell catalyst comprising platinum, chromium, and copper, nickel or a combination thereof. In one or more embodiments, the concentration of platinum is less than 50 atomic percent, and/or the concentration of chromium is less than 30 atomic percent, and/or the concentration of copper, nickel, or a combination thereof is at least 35 atomic percent.

 
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< Steel for components of chemical installations

> Hydrogen-absorbing alloy electrode and alkaline storage battery

> Flat soft magnetic metal powder and composite magnetic material including the soft magnetic metal powder

~ 00580