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Enhanced alkaline hydrogen evolution performance of ruthenium by synergetic doping of cobalt and phosphorus
Hu, C; Zhao, W; Huang, FQ; Wang, JC
2020-09-01
Source PublicationSUSTAINABLE ENERGY & FUELS
ISSN2398-4902
Issue9Pages:4637
SubtypeArticle
AbstractHighly active and stable electrocatalysts that can work well in alkaline media are essential for industrial water electrolysis. Herein, we have reported the growth of P and Co co-doped Ru hybrids (RuCo-P) on carbon cloth (CC) through a hydrothermal treatment and the following phosphorization. The modification of Ru by Co and P doping can tune the electronic structure for efficient water dissociation and hydrogen desorption in alkaline solution. The resulting RuCo-P/CC achieves a record low overpotential of similar to 4 mV to reach a current density of 10 mA cm(-2)for the hydrogen evolution reaction (HER) in 1 M KOH solution, and also shows a small Tafel slope (43 mV dec(-1)) and outstanding long-term stability. The activity of RuCo-P/CC is significantly superior to that of the commercial Pt/C benchmark and other carbon cloth-supported transition metal-based catalysts. The remarkable alkaline HER performance of RuCo-P/CC could be attributed to the synergistic doping of both Co and P that can effectively reduce the water dissociation barrier and optimize the hydrogen adsorption free energy, respectively.
DOI10.1039/d0se00233j
WOS KeywordPH-UNIVERSAL ELECTROCATALYST ; CATALYTIC-ACTIVITY ; EFFICIENT ; CARBON ; ARRAYS ; NANOCRYSTALS ; GRAPHENE ; SUPERIOR ; NITROGEN ; DESIGN
Language英语
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
PublisherROYAL SOC CHEMISTRY
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27788
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Hu, C,Zhao, W,Huang, FQ,et al. Enhanced alkaline hydrogen evolution performance of ruthenium by synergetic doping of cobalt and phosphorus[J]. SUSTAINABLE ENERGY & FUELS,2020(9):4637.
APA Hu, C,Zhao, W,Huang, FQ,&Wang, JC.(2020).Enhanced alkaline hydrogen evolution performance of ruthenium by synergetic doping of cobalt and phosphorus.SUSTAINABLE ENERGY & FUELS(9),4637.
MLA Hu, C,et al."Enhanced alkaline hydrogen evolution performance of ruthenium by synergetic doping of cobalt and phosphorus".SUSTAINABLE ENERGY & FUELS .9(2020):4637.
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