典型文献
Au core-PtAu alloy shell nanowires for formic acid electrolysis
文献摘要:
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-PtAu alloy shell nanowires (Au@PtxAu UFNWs).Among them,Au@Pto.o77Au 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 mY to achieve a current density of 10 mA cm-2,respectively.The corresponding formic acid electrolyzer realizes the electrochemical H2 production at a voltage of only 0,51 V with 10 mA cm-2 current density.Density functional theory(DFT) calculations reveal that the Au-riched PtAu alloy structure can facilitates the direct oxidation path-way of FAOR and consequently elevates the FAOR activity of Au@Pt0.077Au UFNWs.This work provides meaningful insights into the electrochemical H2 production from both the construction of advanced bifunctional electrocatalysts and the replacement of OER.
文献关键词:
中图分类号:
作者姓名:
Qi Xue;Xin-Yu Bai;Yue Zhao;Ya-Nan Li;Tian-Jiao Wang;Hui-Ying Sun;Fu-Min Li;Pei Chen;Pujun Jin;Shi-Bin Yin;Yu Chen
作者机构:
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;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
文献出处:
引用格式:
[1]Qi Xue;Xin-Yu Bai;Yue Zhao;Ya-Nan Li;Tian-Jiao Wang;Hui-Ying Sun;Fu-Min Li;Pei Chen;Pujun Jin;Shi-Bin Yin;Yu Chen-.Au core-PtAu alloy shell nanowires for formic acid electrolysis)[J].能源化学,2022(02):94-102
A类:
PtAu,PtxAu,UFNWs,o77Au,FAOR,mY,077Au
B类:
core,alloy,shell,nanowires,formic,electrolysis,Inefficient,electrocatalysts,high,power,consumption,are,two,thorny,problems,electrochemical,hydrogen,H2,production,from,acidic,water,Herein,report,one,precise,synthesis,ultrafine,Among,them,Pto,exhibit,best,performance,oxidation,reaction,evolution,HER,which,only,require,applied,potentials,achieve,current,density,mA,respectively,corresponding,electrolyzer,realizes,voltage,Density,theory,DFT,calculations,reveal,that,riched,structure,can,facilitates,direct,path,way,consequently,elevates,activity,Pt0,This,work,provides,meaningful,insights,into,both,construction,advanced,bifunctional,replacement,OER
AB值:
0.528797
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