Urchin-like Co3O4 Nanostructure and Their Electrochemical Behavior in Rechargeable Lithium Ion Battery  

三维海胆状Co3O4的微纳结构制备及锂电池性能

作　　者：李惠[1] 费广涛[1] 崔平[1] 金翼 冯旭勇[3] 陈春华[3] 

机构地区：[1]中国科学院合肥物质科学研究院,固体物理研究所材料物理重点实验室,安徽纳米材料与技术重点实验室,合肥230031 [2]南京Lithing能源技术有限公司,南京211135 [3]中国科学技术大学材料与科学工程系,中国科学院材料能源转换重点实验室,合肥230026

出　　处：《Chinese Journal of Chemical Physics》2011年第3期343-347,I0004,共6页化学物理学报（英文）

基　　金：This work was supported by the National Natural Science Foundation of China （No.11074254）, the Ministry of Science and Technology of China （No.2005CB623603）, the Hundred Talent Program of Chinese Academy of Sciences, and the President Foundation of Hefei Institute of Physical Sciences.

摘　　要：3D urchin-like Co3O4 have been successfully prepared by calcination of the urchin-like precursors, which were synthesized through a facile hydrothermal route. The morphology and structure of the 3D urchin-like Co3O4 have been characterized by field emission scanning electron microscopy, transmission electron microscopy, high resolution transmission electron microscopy, and X-ray powder diffraction. The as-synthesized Co3O4 products are of urchin-like structures with approximated 5-7 μm in diameter, and are composed of numerous nanoparticles chains with the particles diameter of about 15 nm. This kind of urchin-like Co3O4 exhibits superior energy storage properties with the high capacity of 1.369 Ah/g and its good cyclic stability shows great potential in the rechargeable Li-ion battery.

关 键 词：CO3O4 Urchin-like structure HYDROTHERMAL Lithium ion battery Discharge capacity 

分 类 号：O[理学]