Catalyst for fuel cell, supported electrode catalyst powder, fuel cell electrode, fuel cell electrolyte membrane, fuel cell, and electrochemical conversion method in fuel cell

摘要

A fuel cell catalyst comprising platinum, titanium and tungsten. In one or more embodiments, the concentration of platinum is less than 60 atomic percent, and/or the concentration of titanium is at least 20 atomic percent, and/or the concentration of tungsten is at least 25 atomic percent.