Abstract
Efficient electrocatalyst plays a significant role on the development of hydrogen energy. In this work, an N,P-codoped carbon layer coupled with MoP nanoparticles (MoP/NPCs) was prepared through a facile high-temperature pyrolysis treatment. The obtained MoP/NPCs presented efficient activity for hydrogen evolution reaction (HER), with low onset potential of 90 mV, and a small Tafel slope (71 mV dec−1), as well as extraordinary stability in acidic electrolyte. This work provides a new facile strategy for the design and synthesis of sustainable and effective molybdenum-based electrocatalysts as alternatives to non-Pt catalysts for HER.
Highlights
With the characteristics of renewability, cleanness, and high energy-density fuel, hydrogen has been extensively studied as a promising alternative energy resource to replace non-renewable fossil fuels prepared by water electrolysis [8,9,10,11]
All potentials were calibrated without iR compensation
Manifesting the connection between Molybdenum phosphide (MoP) and graphitic carbon shell. Another obvious peak at 134.1 was ascribed to the surface P−O group, which was attributed to the oxidation of catalysts in the eV was ascribed to the surface P−O group, which was attributed to the oxidation of catalysts in the air [27]
Summary
As is known to all, fossil energy (i.e., oil, natural gas, coal) suffers from excessive consumption with rapidly growing economies, which results in global environmental destruction and energy crisis [1,2,3,4]. With the characteristics of renewability, cleanness, and high energy-density fuel, hydrogen has been extensively studied as a promising alternative energy resource to replace non-renewable fossil fuels prepared by water electrolysis [8,9,10,11]. We develop an efficient strategy to form MoP/NPC which exhibit excellent HER performance. The prepared MoP/NPC catalyst exhibits high efficient hydrogen evolution reaction performance. The prepared MoP/NPC catalyst exhibits high efficient hydrogen evolution reaction. (HER) activity with a low onset potential of 90 mV, and a small Tafel slope (71 mV dec ), as well as extraordinary stability in acidic electrolyte, which demonstrates a new route to prepare sustainable extraordinary stability in acidic electrolyte, which demonstrates a new route to prepare sustainable and effective electrocatalysts as alternatives to non-Pt catalysts for HER.
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