Au core-PtAu alloy shell nanowires for formic acid electrolysis

查看全文 作　　者：Qi [1]Xue;Xin-Yu [1]Bai;Yue [1]Zhao;Ya-Nan [1]Li;Tian-Jiao [1]Wang;Hui-Ying [1]Sun;Fu-Min [1]Li;Pei [1]Chen;Pujun [1]Jin;Shi-Bin [2]Yin;Yu [1]Chen

机构地区：[1]Key Laboratory of Macromolecular Science of Shaanxi Province,Key Laboratory of Applied Surface and Colloid Chemistry(MOE),Shaanxi Key Laboratory for Advanced Energy Devices,Shaanxi Engineering Lab for Advanced Energy Technology,School of Materials Science and Engineering,Shaanxi Normal University,Xi’an 710062,Shaanxi,China;[2]MOE Key Laboratory of New Processing Technology for Non-ferrous Metals and Materials,Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials,Guangxi University,Nanning 530004,Guangxi,China

出　　处：《Journal of Energy Chemistry》索引2022年第31卷第2期,共9页

基　　金：supported by the Natural Science Foundation of Shaanxi Province(2020JZ-23);the Fundamental Research Funds for the Central Universities(GK201901002,GK202101005,2020CSLZ012 and 2019TS007);the Innovation Team Project for Graduate Student at Shaanxi Normal University(TD2020048Y);the Key Research and Development Program of Shaanxi(Program No.2020SF-355);the National Training Program of Innovation and Entrepreneurship for Undergraduates(S202010718130);the Open Foundation of Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured Materials at Guangxi University(2021GXYSOF02);the 111 Project(B14041)。 摘　　要：Inefficient electrocatalysts and high-power consumption are two thorny problems for electrochemical hydrogen(H2)production from acidic water electrolysis.Herein we report the one-pot precise synthesis of ultrafine Au core-Pt Au alloy shell nanowires(Au@PtxAu UFNWs).Among them,Au@Pt_(0.077) Au UFNWs exhibit the best performance for formic acid oxidation reaction(FAOR)and hydrogen evolution reaction(HER),which only require applied potentials of 0.29 V and-22.6 m V to achieve a current density of 10 m A cm^(-2),respectively.The corresponding formic acid electrolyzer realizes the electrochemical H2 production at a voltage of only 0.51 V with 10 m A cm^(-2) current density.Density functional theory(DFT)calculations reveal that the Au-riched Pt Au alloy structure can facilitates the direct oxidation pathway of FAOR and consequently elevates the FAOR activity of Au@Pt_(0.077) Au UFNWs.This work provides meaningful insights into the electrochemical H_(2) production from both the construction of advanced bifunctional electrocatalysts and the replacement of OER. 关键词：Au core-PtAu alloy shell nanowires Formic acid oxidation reaction Reaction pathway Hydrogen evolution reaction Acidic water electrolysis

相关文献

参考文献（89）
引证文献（7）
耦合文献（0）

参考文献(89)

引证文献(7)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Au core-PtAu alloy shell nanowires for formic acid electrolysis

参考文献(89)

引证文献(7)

用户提示