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In article number 2000561, Tiejun Wang and co‐workers show that cobalt‐doping and Mo vacancies on the molybdenum carbide (β‐Mo2C) surface synergistically tune the electron density and d‐band center, which effectively enhance the hydrogen evolution reaction (HER) performance over the sphere‐type porous β‐Mo2C‐based catalysts. With an optimal degree of etching treatment, the Co50‐Mo2C‐12 catalyst exhibits...
The development of novel non‐noble electrocatalysts with controlled structure and surface composition is critical for efficient electrochemical hydrogen evolution reaction (HER). Herein, the rational design of porous molybdenum carbide (β‐Mo2C) spheres with different surface engineered structures (Co doping, Mo vacancies generation, and coexistence of Co doping and Mo vacancies) is performed to enhance...
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