Monodispersed ruthenium nanoparticles interfacially bonded with defective nitrogen-and-phosphorus-doped carbon nanosheets enable pH-universal hydrogen evolution reaction

Regulating the electronic structure of MoO2/Mo2C/C by heterostructure and oxygen vacancies for boosting lithium storage kinetics

“…2e shows the EPR signals, as can be seen, MoO 2 /Mo 2 C/C showing the stronger EPR signals with a g value of 2.002 than that of MoO 2 /C confirmed the abundant oxygen vacancies in MoO 2 /Mo 2 C/C. 36,51,52 Fig. 2f shows the photoluminescence spectra of MoO 2 /C and MoO 2 /Mo 2 C/C.…”

Sodium tungsten bronze-supported Pt electrocatalysts for the high-performance hydrogen evolution reaction

“…[4][5][6][7][8] To produce hydrogen, several methods such as gasification reaction, water electrolysis, and hydrocarbon steam reforming reaction have been developed. [9][10][11][12][13] Among them, water electrolysis has attracted immense interest because of its low cost and environmental friendliness. [14][15][16][17][18][19] Currently, Pt-based catalysts are recognized as the best electrocatalysts for the hydrogen evolution reaction (HER), but the large-scale applications are severely hindered by their high cost and low abundance.…”

Interface functionalization of mesoporous ruthenium films with polyaniline for enhanced hydrogen evolution electrocatalysis at all pH values

“…[13][14][15][16] Moreover, their efficiency in nonacidic electrolytes is not satisfactory due to their low electron transfer kinetics both in alkaline and neutral solutions. [17][18][19][20] For this reason, it is imperative to develop non-Pt electrocatalysts with high activity over a wide pH range at a low cost. 21,22 Recently, Ru-based nanocatalysts have been demonstrated as efficient HER catalysts with high intrinsic activities over a wide pH range, due to their Pt-like bond strength to hydrogen.…”

“…13–16 Moreover, their efficiency in nonacidic electrolytes is not satisfactory due to their low electron transfer kinetics both in alkaline and neutral solutions. 17–20 For this reason, it is imperative to develop non-Pt electrocatalysts with high activity over a wide pH range at a low cost. 21,22…”