An amorphous CoSe film behaves as an active and stable full water-splitting electrocatalyst under strongly alkaline conditions

Abstract

An amorphous CoSe film electrodeposited on a Ti mesh (a-CoSe/Ti) acts as an efficient water-splitting catalyst in strongly basic media, with the need for overpotentials of 292 and 121 mV to drive 10 mA cm⁻² for OER and HER, respectively.