Abstract
The development of suitable catalysts and catalyst supports is critical in the electrochemical energy generation methods. Herein, a titanate nanosheet-based catalyst support is synthesized and investigated for oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER). In an in situ single-step hydrothermal method, Pd nanoparticles were anchored onto sodium titanate nanosheet, which imparts excellent stability and methanol tolerance, suggesting its suitability as the cathode catalyst in direct methanol fuel cells. The electrocatalyst also demonstrated high efficiency towards electrochemical and photoelectrochemical hydrogen evolution reactions with an overpotential of −0.29 V and −0.20 V, respectively.
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