Abstract
Nanosheet-constructing porous CeO2 microspheres with silver nanoparticles anchored on the surface were developed as a highly efficient oxygen reduction reaction (ORR) catalyst. The aluminum-air batteries applying Ag-CeO2 as the ORR catalyst exhibit a high output power density and low degradation rate of 345 mW cm-2 and 2.6% per 100 h, respectively.
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