TiO2(B)/Anatase Composites Synthesized by Spray Drying as High Performance Negative Electrode Material in Li-Ion Batteries

被引:34
作者
Ventosa, Edgar [1 ]
Mei, Bastian [2 ]
Xia, Wei [2 ]
Muhler, Martin [2 ]
Schuhmann, Wolfgang [1 ]
机构
[1] Ruhr Univ Bochum, D-44780 Bochum, Germany
[2] Ruhr Univ Bochum, Lab Ind Chem, D-44780 Bochum, Germany
关键词
batteries; charging rates; doping; spray drying; titania; LITHIUM STORAGE; PARTICLE-SIZE; ANATASE; NANOPARTICLES; CAPABILITY; TIO2-DELTA; EFFICIENT; INSERTION;
D O I
10.1002/cssc.201300439
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The power of spray-dried TiO2 in LIBs: TiO2(B)/ anatase is synthesized by spray drying and investigated as negative electrode material in Li-ion batteries. It exhibits excellent Li-ion storage performances, especially at high charge/discharge rates. The presence of the β phase of TiO2 improves Li-ion diffusivity. Additionally, the scalable synthesis method also allows for Nb-doping, which assists in the maintenance of the electronic conductivity as the thickness of film increases. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码:1312 / 1315
页数:4
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