WC/Co_(7)Fe_(3)heterojunction embedded in N,P co-doped hierarchical carbon enables rechargeable/flexible Zn-air battery

作     者：Huimin Mao Xiaobin Liu Siqi Wu Yixin Fu Guishan Liu Guizhong Zhou Lei Wang Huimin Mao;Xiaobin Liu;Siqi Wu;Yixin Fu;Guishan Liu;Guizhong Zhou;Lei Wang

作者机构：Key Laboratory of Eco-chemical EngineeringInternational Science and Technology Cooperation Base of Eco-chemical Engineering and Green ManufacturingQingdao University of Science and TechnologyQingdao 266042China College of Environment and Safety EngineeringQingdao University of Science and TechnologyQingdao 266042China College of Chemistry and Molecular EngineeringQingdao University of Science and TechnologyQingdao 266042China Chaofeng Steel Structure Group Co.Ltd.Hangzhou 311215China 

出 版 物：《Nano Research》 (纳米研究（英文版）)

年 卷 期：2023年第16卷第2期

页      面：2519-2527页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：the National Natural Science Foundation of China(Nos.51772162 and 52072197) China Postdoctoral Science Foundation(No.2020M682135) Postdoctoral Applied Research Project of Qingdao,Postdoctoral Innovation Project of Shandong Province(No.202102039) Outstanding Youth Foundation of Shandong Province,China(No.ZR2019JQ14) Youth Innovation and Technology Foundation of Shandong Higher Education Institutions,China(No.2019KJC004) the Natural Science Foundation of Shandong Province(No.ZR2021MB085) Major Scientific and Technological Innovation Project(No.2019JZZY020405) Major Basic Research Program of Natural Science Foundation of Shandong Province under Grant(No.ZR2020ZD09) Taishan Scholar Young Talent Program(No.tsqn201909114) 

主　　题：heterojunction hierarchical structure bifunctional oxygen electrocatalyst Zn-air battery 

摘      要：Rational design and synthesis of bifunctional oxygen electrocatalysts with high activity and stability are key challenges in the development of rechargeable Zn-air batteries(ZABs).In this paper,tungsten carbide(WC)and Co_(7)Fe_(3)embedded in N,P co-doped hierarchical carbon(WC/Co_(7)Fe_(3)-NPHC)was prepared by using zeolite imidazolate frameworks as *** functional theory demonstrates that the mutual adjustment among the WC,Co_(7)Fe_(3),and N,P co-doped carbon at the three-phase heterojunction interface makes the catalyst possess moderate adsorption strength,and greatly improves the conductivity and electron transfer rate of the *** a result,the WC/Co_(7)Fe_(3)-NPHC exhibits a low overall oxygen redox potential difference of 0.72 V,while the ZAB assembled by WC/Co_(7)Fe_(3)-NPHC as an air cathode exhibits ultra-long cycle stability of over 550 ***,WC/Co_(7)Fe_(3)-NPHC can keep good charge and discharge stability at different bending angles when applied to flexible solid ZAB.