Catalytic properties of Co3O4 nanoparticles for rechargeable Li/air batteries

被引：1

作者：

Kim, Kwan Su ^{[1
]}

Park, Yong Joon ^{[1
]}

机构：

[1] Kyonggi Univ, Dept Adv Mat Engn, San 94-6, Suwon 443760, Gyeonggi Do, South Korea

来源：

NANOSCALE RESEARCH LETTERS | 2012年 / 7卷

基金：

新加坡国家研究基金会;

关键词：

composites; nanostructures; chemical synthesis; electrochemical properties; ELECTRODE;

D O I：

10.1186/1556-276X-7-47

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Three types of Co3O4 nanoparticles are synthesized and characterized as a catalyst for the air electrode of a Li/air battery. The shape and size of the nanoparticles are observed using scanning electron microscopy and transmission electron microscopy analyses. The formation of the Co3O4 phase is confirmed by X-ray diffraction. The electrochemical property of the air electrodes containing Co3O4 nanoparticles is significantly associated with the shape and size of the nanoparticles. It appears that the capacity of electrodes containing villiform-type Co3O4 nanoparticles is superior to that of electrodes containing cube- and flower-type Co3O4 nanoparticles. This is probably due to the sufficient pore spaces of the villiform-type Co3O4 nanoparticles.

引用

页数：6

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