Abstract
AbstractHydrogen evolution reaction (HER) from water electrolysis is an attractive technique developed in recent years for clean renewable energy. It is critical to develop a low‐cost, high activity and long‐time stability HER catalyst. In this work, a novel catalyst, Cobalt‐Molybdenum bimetal phosphides encapsulated in carbon matrix (Co‐Mo‐P@C), is synthesized using MOFs‐templated strategy by chemical vapor deposition (CVD) and phosphidation. The Co‐Mo‐P@C catalyst exhibits excellent catalytic performances with low overpotentials of 148 and 159 mV to reach current densities of 10 mA cm−2 for HER in both acidic and alkaline media, respectively, as well as long‐time durability over 20 h. This work introduces a new method for an efficient and stable HER catalyst and it may be extended to design other encapsulated bimetal nitrides, sulfides, and selenides for more applications.
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