摘要
An efficient electrocatalyst is indispensable to significantly reduce energy consumption and accelerate the conversion efficiency of water splitting.In this work,the honeycomb-like porous MoCo alloy on nitrogen-doped three-dimensional(3D)porous graphene substrate(Mo_(0.3)Co_(0.7)@NPG)has been synthesized from the annealing of layered double hydroxide(MoCo-LDH@NPG).Especially,the Mo_(0.3)Co_(0.7)@NPG exhibits low hydrogen evolution overpotential of 75 mV(10 mA·cm^(-2))and a Tafel slope of 69.9 mV·dec^(-1),which can be attributed to highly conductive NPG substrate,the unique nanostructure and the synergistic effect of Mo and Co.Moreover,the Mo_(0.3)Co_(0.7)@NPG can maintain the original morphology and high catalytic activity after 50-h stability test.This work proposes a general strategy to synthesize a multi-element alloy on conductive substrates with high porosity for electrocatalytic reaction.
出处
《Rare Metals》
SCIE
EI
CAS
CSCD
2024年第3期1072-1082,共11页
稀有金属（英文版）
基金
supported by the National Natural Science Foundation of China(Nos.52272296 and 51502092)
the Fundamental Research Funds for the Central Universities(Nos.JKD01211601 and 1222201718002)
the National Overseas High-Level Talent Youth Program in China and the Eastern Scholar Project of Shanghai。
