Facile Synthesis of Porous Ternary MnTiO3/TiO2/C Composite with Enhanced Electrochemical Performance as Anode Materials for Lithium Ion Batteries

被引：17
作者：
Gou, Qianzhi [1 ]
Li, Chao [1 ]
Zhang, Xueqi [1 ]
Zhang, Bo [1 ]
Huang, Deyu [1 ]
Lei, Caixia [1 ]
机构：
[1] Guangxi Univ, Dept Mat Sci & Engn, Sch Resources Environm & Mat, Nanning 530004, Peoples R China
来源：
ENERGY TECHNOLOGY | 2019年 / 7卷 / 05期
基金：
中国国家自然科学基金;
关键词：
anodes; liquid phase deposition; lithium ion batteries; MnTiO3; TiO2; C composite; NITROGEN-DOPED CARBON; CYCLIC STABILITY; MICROSPHERES; NANOSTRUCTURES; FETIO3; MN2O3; NANOCOMPOSITES; CAPACITY; FACETS; ARRAYS;
D O I：
10.1002/ente.201800761
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：
A unique porous ternary MnTiO3/TiO2/C composite is obtained from Mn2O3/polyaniline precursor through the liquid phase deposition (LPD) method and subsequent carbonization process. When the MnTiO3/TiO2/C composite is evaluated as anode materials for lithium ion batteries (LIBs), it displays enhanced electrochemical performance, including superior cycling stability (418mAhg(-1) after 200 cycles at 500mAg(-1)), favorable rate capability (270mAhg(-1) at 4Ag(-1)), and supernal coulombic efficiency (>98% after 200 cycles), compared with pristine Mn2O3 and Mn2O3/TiO2 composite. The enhanced electrochemical performance of ternary composite is mainly ascribed to the unique structural design and the synergistic effect of various components. Therefore, the resultant porous ternary MnTiO3/TiO2/C composite would have great potential as a new generation of anode materials for LIBs.
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收藏
页数：11
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