Binder-free carbon fiber/TiNb2O7 composite electrode as superior high-rate anode for lithium ions batteries

作     者：Shenghui Shen Shengjue Deng Yu Zhong Jianbo Wu Xiuli Wang Xinhui Xia Jiangping Tu 

作者机构：State Key Laboratory of Silicon MaterialsKey Laboratory of Advanced Materials and Applications for Batteries of Zhejiang Provinceand School of MaterialsScience and Engineering Zhejiang UniversityHangzhou 310027China Zhejiang Provincial Key Laboratory for Cutting ToolsToizhou UniversityTaizhou 318000Chino 

出 版 物：《Chinese Chemical Letters》 (中国化学快报（英文版）)

年 卷 期：2017年第28卷第12期

页      面：2219-2222页

核心收录：

学科分类：081704[工学-应用化学] 0808[工学-电气工程] 08[工学] 0817[工学-化学工程与技术] 

基　　金：supported by National Natural Science Foundation of China(Nos.51502263 and 51772272) Qianjiang Talents Plan D(No.QJD1602029) Startup Foundation for Hundred-Talent Program of Zhejiang University support by the Program for Innovative Research Team in University of Ministry of Education of China(No.IRT13037) Key Science and Technology Innovation Team of Zhejiang Province(No.2010R50013) 

主　　题：Titanium niobium oxideIntegrated electrodeAnodeLithium ion batteriesHigh power 

摘      要：Construction of advanced high-rate anodes is critical for the development of high-power lithium ion batteries （LIBs）. In this work, we report a binder-free carbon fiber/CF）]titanium niobium oxide （TiNb2O7 （TNO）） composite electrode via a simple solvothermal method combined with heat treatment. Continuous TNO film consisting of cross-linked TNO nanoparticles of 30-50 nm is strongly anchored on the carbon fiber forming integrated CF/TNO composite electrode. Owing to the intimate three- dimensional structure, the as-prepared CF]TNO electrode presents exceptional high-rate performance （245 mAh/g at 1 C, and 138 mAh/g at 80 C） and enhanced cyclability with a capacity of 150 mAh]g at the current density of 10 C after 1000 cycles. Our results demonstrate the CF/TNO electrode as efficient anode for application in high-power lithium ion batteries.