High performance platinum single atom electrocatalyst for oxygen reduction reaction.

ABSTRACT: For the large-scale sustainable implementation of polymer electrolyte membrane fuel cells in vehicles, high-performance electrocatalysts with low platinum consumption are desirable for use as cathode material during the oxygen reduction reaction in fuel cells. Here we report a carbon black-supported cost-effective, efficient and durable platinum single-atom electrocatalyst with carbon monoxide/methanol tolerance for the cathodic oxygen reduction reaction. The acidic single-cell with such a catalyst as cathode delivers high performance, with power density up to 680 mW cm^-2 at 80 °C with a low platinum loading of 0.09 mg_Pt cm^-2, corresponding to a platinum utilization of 0.13 g_Pt kW^-1 in the fuel cell. Good fuel cell durability is also o

SUBMITTER: Liu J 

PROVIDER: S-EPMC5527280 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature