Ruthenium Triazine Composite: A Good Match for Increasing Hydrogen Evolution Activity through Contact Electrification

doi:10.1002/aenm.202000067

SIC OpenIR

	Ruthenium Triazine Composite: A Good Match for Increasing Hydrogen Evolution Activity through Contact Electrification
	Ju, QJ; Ma, RG; Pei, Y; Guo, BB; Li, ZC; Liu, Q; Thomas, T; Yang, MH; Hutchings, GJ; Wang, JC
	2020-06-01
Source Publication	ADVANCED ENERGY MATERIALS
ISSN	1614-6832
Issue	21
Subtype	Article
Abstract	The development of Pt-free catalysts for the alkaline hydrogen evolution reaction (HER), which is widely used in industrial scale water-alkali electrolyzers, remains a contemporary and pressing challenge. Ruthenium (Ru) has excellent water-dissociation abilities and could be an alternative water splitting catalyst. However, its large hydrogen binding energy limits HER activity. Here, a new approach is proposed to boost the HER activity of Ru through uniform loading of Ru nanoparticles on triazine-ring (C3N3)-doped carbon (triNC). The composite (Ru/triNC) exhibits outstanding HER activity with an ultralow overpotential of approximate to 2 mV at 10 mA cm(-2); thereby making it the best performing electrocatalyst hitherto reported for alkaline HER. The calculated metal mass activity of Ru/triNC is >10 and 15 times higher than that of Pt/C and Pt/triNC. Both theoretical and experimental studies reveal that the triazine-ring is a good match for Ru to weaken the hydrogen binding on Ru through interfacial charge transfer via increased contact electrification. Therefore, Ru/triNC can provide the optimal hydrogen adsorption free energy (approaching zero), while maintaining the strong water-dissociation activity. This study provides a new avenue for designing highly efficient and stable electrocatalysts for water splitting.
DOI	10.1002/aenm.202000067
WOS Keyword	WORK FUNCTION ; PERFORMANCE ; WATER ; CATALYST ; FRAMEWORK ; EFFICIENT ; PLATINUM ; PH
Language	英语
WOS Research Area	Chemistry ; Energy & Fuels ; Materials Science ; Physics
Publisher	WILEY-V C H VERLAG GMBH
Citation statistics	Cited Times:2[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.sic.ac.cn/handle/331005/28131
Collection	中国科学院上海硅酸盐研究所
Recommended Citation GB/T 7714	Ju, QJ,Ma, RG,Pei, Y,et al. Ruthenium Triazine Composite: A Good Match for Increasing Hydrogen Evolution Activity through Contact Electrification[J]. ADVANCED ENERGY MATERIALS,2020(21).
APA	Ju, QJ.,Ma, RG.,Pei, Y.,Guo, BB.,Li, ZC.,...&Wang, JC.(2020).Ruthenium Triazine Composite: A Good Match for Increasing Hydrogen Evolution Activity through Contact Electrification.ADVANCED ENERGY MATERIALS(21).
MLA	Ju, QJ,et al."Ruthenium Triazine Composite: A Good Match for Increasing Hydrogen Evolution Activity through Contact Electrification".ADVANCED ENERGY MATERIALS .21(2020).

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