Nanostructured ion beam-modified Ge films for high capacity Li ion battery anodes

被引：80
|
作者：
Rudawski, N. G. [1 ]
Darby, B. L. [1 ]
Yates, B. R. [1 ]
Jones, K. S. [1 ]
Elliman, R. G. [2 ]
Volinsky, A. A. [3 ]
机构：
[1] Univ Florida, Dept Mat Sci & Engn, Gainesville, FL 32611 USA
[2] Australian Natl Univ, Dept Elect Mat Engn, Res Sch Phys & Engn, Canberra, ACT 0200, Australia
[3] Univ S Florida, Dept Mech Engn, Tampa, FL 33620 USA
来源：
APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 08期
关键词：
RECHARGEABLE LITHIUM BATTERIES; THIN-FILMS; GERMANIUM; ELECTRODES; IMPLANTATION; INSERTION; ADHESION; SYSTEMS; MODEL;
D O I：
10.1063/1.3689781
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Nanostructured ion beam-modified Ge electrodes fabricated directly on Ni current collector substrates were found to exhibit excellent specific capacities during electrochemical cycling in half-cell configuration with Li metal for a wide range of cycling rates. Structural characterization revealed that the nanostructured electrodes lose porosity during cycling but maintain excellent electrical contact with the metallic current collector substrate. These results suggest that nanostructured Ge electrodes have great promise for use as high performance Li ion battery anodes. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3689781]
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页数：4
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