Bilayer carbon-based structure with the promotion of homogenous nucleation for lithium metal anodes

作     者：SHAO YeQing XIE YongHui YANG Yang CAO JiaQi LI XiuWan LI WangYang ZHANG QiaoLi CHENG ShouLin CHENG ShuYing WANG XingHui SHAO YeQing;XIE YongHui;YANG Yang;CAO JiaQi;LI XiuWan;LI WangYang;ZHANG QiaoLi;CHENG ShouLin;CHENG ShuYing;WANG XingHui

作者机构：College of Physics and Information EngineeringInstitute of Micro-Nano Devices and Solar CellsFuzhou UniversityFuzhou 350108China Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of ChinaFuzhou 350108China Fujian Provincial Key Laboratory of Light Propagation and TransformationCollege of Information Science and EngineeringHuaqiao UniversityXiamen 361000China Jiangsu Collaborative Innovation Center of Photovoltaic Science and EngineeringChangzhou 213000China Fujian Key Laboratory of Electrochemical Energy Storage MaterialsFuzhou UniversityFuzhou 350002China 

出 版 物：《Science China(Technological Sciences)》 (中国科学（技术科学英文版）)

年 卷 期：2022年第65卷第7期

页      面：1558-1566页

核心收录：

学科分类：081702[工学-化学工艺] 0808[工学-电气工程] 08[工学] 0817[工学-化学工程与技术] 

基　　金：supported by the Award Program for Fujian Minjiang Scholar Professorship the National Natural Science Foundation of China(Grant No. 11704071) the Excellent Youth Foundation of Fujian Scientific Committee (Grant No. 2019J06008) Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China (Grant No.2021ZR146) Fujian Provincial Department of Industry and Information Technology of China (Grant No. 82318075) 

主　　题：lithiophilic material bilayer carbon structure graphene MOF lithium metal anode 

摘      要：Lithium metal anodes (LMAs) are considered as the promising alternatives for next-generation high energy density batteries,but are still hampered by the severe growth of uncontrollable lithium *** growth of lithium dendrites induces poor cycling lifespan and serious safety concerns,dragging lithium metal batteries out of practical *** designed a bilayer carbonbased structure covered with Co/C nanosheets and vertical graphene sheets (VGS).The enormous specific surface area and uniformly distributed Co nanoparticles of the CC@Co/C-VGS host are derived from its unique design,which can reduce local current density and nucleation overpotential,resulting in a dendrite-free morphology and exceptional cycling *** cells exhibit over 400 cycles (800 h) at a high current density/capacity of 10 mA cm^(-2)/10 mA h cm^(-2).Full cells using LiFePO_(4)as the cathode have an enhanced rate capability and a prolonged lifespan,reaching 90 mA h g^(-1)after 1000 cycles at 2 C with 73.5% capacity *** unique design sheds light on developing high-performance LMAs.