The general synthesis of Ag nanoparticles anchored on silver vanadium oxides: towards high performance cathodes for lithium-ion batteries

被引：32

作者：

Zhou, Jiang ^{[1
]}

Liang, Qiang ^{[1
]}

Pan, Anqiang ^{[1
]}

Zhang, Xuelin ^{[1
]}

Zhu, Qinyu ^{[1
]}

Liang, Shuquan ^{[1
]}

Cao, Guozhong ^{[2
]}

机构：

[1] Cent S Univ, Sch Mat Sci & Engn, Changsha 410083, Hunan, Peoples R China

[2] Univ Washington, Dept Mat Sci & Engn, Seattle, WA 98195 USA

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 29期

基金：

中国国家自然科学基金; 国家高技术研究发展计划(863计划);

关键词：

ELECTROCHEMICAL PERFORMANCE; CRYSTAL-STRUCTURE; FACILE SYNTHESIS; NANOWIRES; STABILITY; COMPOSITE; AGVO3; INSERTION; AG1.2V3O8; AG2V4O11;

D O I：

10.1039/c4ta00437j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A general strategy has been developed for the one-pot synthesis of Ag nanoparticles uniformly anchored on silver vanadium oxides (SVOs) including AgVO3, Ag2V4O11, Ag0.33V2O5 and Ag1.2V3O8. All the resulting Ag/SVO hybrids demonstrated excellent lithium ion electrochemical intercalation properties, due largely to the improvement in conductivity with the introduction of silver nanoparticles, the large accessible surface area and possible catalytic effects. For instance, the as-prepared Ag/AgVO3 hybrid exhibits a superior rate capability, with a high discharge capacity of 199 mA h g(-1) even at a rate of 5 A g(-1).

引用

页码：11029 / 11034

页数：6

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