Rational Design of Porous TiO2@N-Doped Carbon for High Rate Lithium-Ion Batteries

被引：8
作者：
Wang, Guang [1 ]
Qi, Ying [1 ]
Zhang, Dawei [1 ]
Bao, Jian [2 ]
Xu, Li [2 ]
Zhao, Yan [2 ]
Qiu, Jingxia [2 ]
Yuan, Shouqi [2 ]
Li, Huaming [2 ]
机构：
[1] Jiangsu Univ, Sch Chem & Chem Engn, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Jiangsu Univ, Inst Energy Res, 301 Xuefu Rd, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
ENERGY TECHNOLOGY | 2019年 / 7卷 / 08期
基金：
中国博士后科学基金;
关键词：
high-rate performances; lithium-ion batteries; porous N-doped carbon; TiO2; nanoparticles; ELECTROCHEMICAL ENERGY-STORAGE; ANODE MATERIAL; TIO2; NANOTUBES; NANOCOMPOSITES; ELECTRODES; COMPOSITE; SPHERES;
D O I：
10.1002/ente.201800911
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Considering the merits of natural biomass, a soybean is designed and applied as a green source for N-doped carbon to fabricate a TiO2@N-doped carbon (TiO2@NC) composite for lithium-ion batteries (LIBs). The TiO2 nanoparticles are uniformly anchored on the surface of porous N-doped carbon frameworks. As anode materials for LIBs, TiO2@NC exhibits excellent cycle performance and enhanced rate capacity. After 100 cycles at 1 C, the capacity can be maintained at 282.2 mAh g(-1). In addition, it can even deliver a large reversible capacity of 155 mAh g(-1) after 200 cycles at 5 C. These excellent results prove that the designed composite can be applied as a promising anode material for a lithium-ion storage system with improved electrochemical performances.
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页数：7
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