Controllable preparation and properties of composite materials based on ceria nanoparticles and carbon nanotubes

被引：42
|
作者：
Li, Changqing [1 ]
Sun, Nijuan [1 ]
Ni, Jiangfeng [1 ]
Wang, Jinyong [1 ]
Chu, Haibin [1 ]
Zhou, Henghui [1 ]
Li, Meixian [1 ]
Li, Yan [1 ]
机构：
[1] Peking Univ, Key Lab Phys & Chem Nanodevices, Natl Lab Rare Earth Mat Chem & Applicat, Beijing Natl Lab Mol Sci,Coll Chem & Mol Engn, Beijing 100871, Peoples R China
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2008年 / 181卷 / 10期
关键词：
Carbon nanotube; Ceria; Composite; Electrochemical property; Nanocrystal;
D O I：
10.1016/j.jssc.2008.06.040
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We report a method to prepare composites based on carbon nanotubes (CNTs) and CeO2 nanoparticles (NPs). The CeO2 NPs were attached to CNTs by hydrothermal treatment of Ce(OH)(4)/CNT mixture in NaOH Solution at 180 degrees C. It was found that larger CeO2 NPs were formed in the presence of CNTs. Grain size of CeO2 NPs in the composites call be reduced when NaNO3 was added in the hydrothermal process. Electrochemical characterizations have shown that the composites possess a specific capacity between those of CNTs and CNTs mechanically mixed with CeO2. These CeO2/CNT composites could serve as promising anode materials for Li-ion batteries. (c) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码：2620 / 2625
页数：6
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