Effects of carbon on electrochemical performance of red phosphorus(P) and carbon composite as anode for sodium ion batteries

作     者：Zhi-Jia Zhang Wei-Jie Li Shu-Lei Chou Chao Han Hua-Kun Liu Shi-Xue Dou Zhi-Jia Zhang;Wei-Jie Li;Shu-Lei Chou;Chao Han;Hua-Kun Liu;Shi-Xue Dou

作者机构：State Key Laboratory of Separation Membrane and Membrane Processes.Tianjin Municipal Key Laboratory of Advanced Fibers and Energy StorageSchool of Materials Science and EngineeringTiangong UniversityTianjin 300387China Institute for Superconducting and Electronic MaterialsUniversity of WollongongWollongongNSW2522Australia School of Civil and Environmental EngineeringFaculty of Engineering and Information TechnologyUniversity of Technology Sydney.SydneyNSW2007Australia 

出 版 物：《Journal of Materials Science & Technology》 (材料科学技术（英文版）)

年 卷 期：2021年第68卷第9期

页      面：140-146页

核心收录：

学科分类：0808[工学-电气工程] 0817[工学-化学工程与技术] 0806[工学-冶金工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0703[理学-化学] 0802[工学-机械工程] 0801[工学-力学（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：financially supported by the National Natural Science Foundation of China (Nos.51801136,51701142,and 51871165) the Discovery Early Career Researcher Award (DECRA,No.DE180101478) of the Australian Research Council 

主　　题：Carbon coating Red phosphorus Anode materials Sodium ion batteries 

摘      要：Red phosphorus/graphite(P/G) and red phosphorus/carbon nanotube(P/CNT) composites were prepared by ball milling red phosphorus with CNTs and graphite, respectively. The electrochemical results show superior electrochemical performances of the P/G and P/CNT composites compared with that of the reference sample milled with Super-P carbon. After 70 cycles, the P/G and P/CNT composites remained771.6 and 431.7 mA h g^(-1), with 68 % and 50 % capacity retention, respectively. With increasing the milling time(20 h), CNTs were cut into short pieces and then broken into carbon rings and sheets which were well mixed with red phosphorus. The morphology of the P/CNT composite can buffer the large volume changes from alloying and de-alloying during cycling, resulting in the enhanced cycling stability.