Patent ID: 9614227
Date: 2017-04-04
CPC Classifications: B22F,B82B,B82Y,H01M,Y02E,Y02P

Claim:
1. A fuel cell comprising: a cathode; an anode; and an electrolyte membrane provided between the cathode and the anode, wherein at least one of the cathode and the anode includes a carrier-hollow metal nanoparticle complex where a hollow metal nanoparticle including a hollow core portion, a shell portion including a first metal and a second metal, and a cavity ranging from an external surface of the shell portion to the hollow core in one or two or more regions of the shell portion is carried in a carrier, wherein a diameter of the cavity is 5% or more and 30% or less of a particle diameter of the hollow metal nanoparticle, and wherein the shell portion is a single layer.