In proton exchange membrane water electrolysis (PEMWE), catalysts for acidic oxygen evolution reaction (OER) that demonstrate high current density and stability are essential. Herein, we synthesized La-doped RuO (La-RuO@TM) nanorod composite catalysts in situ on titanium mesh (TM) using a one-step low-temperature pyrolysis method. La-RuO@TM displays excellent catalytic performance (1.
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