Pore length control of mesoporous Co3O4 and its influence on the capacity of porous electrodes for lithium-ion batteries

被引：30

作者：

Lin, Zhenzhen ^{[1
]}

Yue, Wenbo ^{[1
]}

Huang, Dazhen ^{[1
]}

Hu, Jiyun ^{[1
]}

Zhang, Xiaoying ^{[1
]}

Yuan, Zhong-Yong ^{[2
]}

Yang, Xiaojing ^{[1
]}

机构：

[1] Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China

[2] Nankai Univ, Coll Chem, Tianjin 300071, Peoples R China

来源：

RSC ADVANCES | 2012年 / 2卷 / 05期

基金：

中国国家自然科学基金;

关键词：

METAL-OXIDES; THIN-FILMS; SILICA; TIO2; FRAMEWORKS; BETA-MNO2; SBA-15;

D O I：

10.1039/c1ra00503k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Porous electrodes commonly exhibit much higher charge-discharge capacities than normal electrodes due to their large surface areas. Some factors such as pore size (pore diameter) and wall thickness also influence the electrochemical behavior of porous electrodes in lithium-ion batteries (e.g. the rate of Li-ion intercalation). Here we investigated how the pore length influenced the charge-discharge capacities by using mesoporous Co3O4 with various particle sizes synthesised via controlling the particle size of SBA-15 templates. The capacity and rate capability of porous Co3O4 were increased with reduction in particle size.

引用

页码：1794 / 1797

页数：4

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