▎ 摘　　要

It has been found that pyrolysis of hybrid precursors containing polypyrrole, H4PVMo11O40, and reduced graphene oxide (rGO) contributes to the production of nanocomposites based on V-doped Mo2C and N,P-doped rGO, which are promising electrocatalysts for hydrogen evolution reaction (HER). It has been shown that vanadium doping increases the activity of electrocatalysts in HER (both in acidic and alkaline electrolytes) when compared to the analog obtained by unsubstituted H3PMo12O40. In particular, it is manifested in a significant reduction of hydrogen evolution overpotential, anodic displacement of a process onset potential, and reduction of a Tafel slope dependence.