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.

引用

页数：7

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