Cooperative Atomically Dispersed Fe-N4 and Sn-Nx Moieties for Durable and More Active Oxygen Electroreduction in Fuel Cells.

Xia F, Li B, An B, Zachman MJ, Xie X, Liu Y, Xu S, Saha S, Wu Q, Gao S, Abdul Razak IB, Brown DE, Ramani V, Wang R, Marks TJ, Shao Y, Cheng Y