Journal
ELECTROCHEMICAL AND SOLID STATE LETTERS
Volume 10, Issue 12, Pages A274-A278Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.2789418
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Amorphous tin-cobalt is characterized and its electrochemical behavior compared to that of crystalline tin and tin-cobalt materials. It contains highly uniformed 5 nm diam nanoparticles, which are basically composed of amorphous SnCo and graphitic carbon, with a small amount of titanium. It shows excellent electrochemical behavior in lithium cells. The capacity stabilized at 400 mAh/g for 30 cycles at 0.5 mA/cm(2), in contrast to crystalline tin that rapidly lost capacity after 10-12 deep cycles. (c) 2007 The Electrochemical Society.
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