Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 21, Pages 11199-11202Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta02216a
Keywords
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Funding
- 973 Project of China [2011CB935901]
- National Natural Science Fund of China [21471142, 21201158]
- Ningbo Veken Battery Company Inc.
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A Si/Ge nanocomposite composed of interconnected Si and Ge nanoparticles is prepared through a one-step solid-state metathesis reaction between Mg2Si and GeO2 for the first time. As an anode, the Si/Ge electrode exhibits a reversible capacity of 2404.7 mA h g(-1) at 0.5 A g(-1) over 60 cycles and long-termcycling stability with a capacity of 1260 mA h g(-1) over 500 cycles even at 5 A g(-1).
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