Interfacial Engineering of NiFeP/NiFe-LDH Heterojunction for Effi-cient Overall Water Splitting|Xuanyu Long;Jiazhi Meng;Jiabao Gu;Lanqing Ling;Qianwen Li;Nan Liu;Kaiwen Wang;Zequan Li|Beijing Key Lab of Microstructure and Properties of Advanced Materials,Beijing University of Technology,Beijing 100124,China - 期刊导航|首站-论文投稿智能助手|论文发表|论文智能投稿|期刊自助发表推荐|杂志社快速发表|查同导刊-域田数据官方网站

典型文献

Interfacial Engineering of NiFeP/NiFe-LDH Heterojunction for Effi-cient Overall Water Splitting

文献摘要：

In consideration of application prospect of non-noble metallic materials catalysts,the study of exploring more highly effective electrocatalysts has been focused on by research-ers.Herein,a novel strategy is employed to construct a heterojunction consisting of metal phosphide NixFeyP and layered double hydroxide(LDH)with graphene oxide(GO)as conduc-tive support.By adjusting the molar ratio of Ni to Fe,a series of heterojunctions with mixed valence state Feδ+/Fe3+and Niδ+/Ni2+(δ is likely close to 0)redox couples are achieved and strong synergistic effects towards overall water splitting performance are found.The optimized catalyst with a Ni/Fe molar ratio of 0.72∶0.33,namely Ni0.7Fe0.3P/LDH/GO,delivers ultra-low overpotentials for hydrogen evolution reaction(HER)and oxygen evolution reaction(OER)of 79 and 198 mV at the current density of 10 mA·cm-2,respectively.Furthermore,for overall water-splitting practical application,it only requires 1.526 V at 10 mA·cmr-2 with robust stability,which is superior to most reported electrocatalysts.Experimental results demonstrate the im-proved electronic conductivity,enlarged electrochemically active area and accelerated kinetics together account for the enhanced performance.This work supplies new prospects for the promotion and application of such heterojunction electrocatalysts in overall water splitting.

文献关键词：

中图分类号：

[1] 医药、卫生（R） / 药学（R9） / 药理学（R96） / 实验药理学（R965）

[2] 医药、卫生（R） / 基础医学（R3） / 病理学（R36） / 病理过程（R364）

[3] 医药、卫生（R） / 临床医学（R4） / 治疗学（R45） / 生物疗法（R456）

作者姓名：

Xuanyu Long;Jiazhi Meng;Jiabao Gu;Lanqing Ling;Qianwen Li;Nan Liu;Kaiwen Wang;Zequan Li

作者机构：

The School of Chemistry and Chemical Engineering,Chongqing University,Chongqing 400044,China;Beijing Key Lab of Microstructure and Properties of Advanced Materials,Beijing University of Technology,Beijing 100124,China

文献出处：

结构化学

引用格式：

[1]Xuanyu Long;Jiazhi Meng;Jiabao Gu;Lanqing Ling;Qianwen Li;Nan Liu;Kaiwen Wang;Zequan Li-.Interfacial Engineering of NiFeP/NiFe-LDH Heterojunction for Effi-cient Overall Water Splitting)[J].结构化学,2022(04):46-53

A类：

NixFeyP

B类：

Interfacial,Engineering,NiFeP,LDH,Heterojunction,Effi,cient,Overall,Water,Splitting,consideration,application,noble,metallic,materials,study,exploring,highly,effective,electrocatalysts,has,been,focused,by,research,Herein,novel,strategy,employed,construct,consisting,phosphide,layered,double,hydroxide,graphene,support,By,adjusting,molar,series,heterojunctions,mixed,valence,state,Fe3+and,Ni2+,likely,close,redox,couples,achieved,strong,synergistic,effects,towards,overall,water,splitting,performance,found,optimized,namely,Ni0,7Fe0,3P,delivers,ultra,low,overpotentials,hydrogen,evolution,reaction,HER,oxygen,OER,mV,current,density,mA,respectively,Furthermore,practical,only,requires,cmr,robust,stability,which,superior,most,reported,Experimental,results,demonstrate,proved,electronic,conductivity,enlarged,electrochemically,active,area,accelerated,kinetics,together,account,enhanced,This,work,supplies,new,prospects,promotion,such

AB值：

0.64833

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