期刊
SUSTAINABLE ENERGY & FUELS
卷 4, 期 9, 页码 4878-4883出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0se00656d
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资金
- National Natural Science Foundation of China [21776255, 21701141, 21972126, 21978264, 21905250]
Porous metal catalysts are considered as excellent catalysts for water electrolysis because of their large surface area, tunable pore size, abundant active sites and facilitated charge/mass transfer channels. Herein, a Au3Pt alloy film with interconnected network pores wasin situgrown on Ni foam (pAu(3)Pt/NF) by a micelle-assisted replacement route. Benefiting from the interwoven network porous structure and bimetallic component, pAu(3)Pt/NF exhibits remarkable electrocatalytic HER activity that delivers an overpotential of -40.1 mV at a current density of 50 mA cm(-2)with a Tafel slope of 42.3 mV dec(-1)in 1.0 M KOH electrolyte. The proposed strategy paves the way to the rational design of self-supporting interwoven network porous nanomaterials for high-efficiency water electrolysis and beyond.
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