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Author

Cho, Jaephil
Nano Energy Storage Materials Lab (NESM)
Research Interests
  • Li-ion battery, metal-air battery, redox-flow battery, flexible battery .

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A Critical Size of Silicon Nano-Anodes for Lithium Rechargeable Batteries

Cited 221 times inthomson ciCited 188 times inthomson ci
Title
A Critical Size of Silicon Nano-Anodes for Lithium Rechargeable Batteries
Author
Kim, HyejungSeo, MinhoPark, Mi-HeeCho, Jaephil
Keywords
Anode material; Batteries; Capacity retention; Carbon coating; Charge capacities; Chemical equations; Critical size; High pressure; Lithium rechargeable batteries; Reverse micelles; Si nanocrystal; Well-dispersed
Issue Date
201003
Publisher
WILEY-V C H VERLAG GMBH
Citation
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.49, no.12, pp.2146 - 2149
Abstract
Well-dispersed Si nanocrystals with sizes of approximately 5, 10, and 20 nm were prepared in reverse micelles at high pressure and 380°C and investigated as anode materials for lithium batteries. The 10 nm sized nanocrystals show a first charge capacity y of 3380 mAhg -1 and the highest capacity retention of 81 % after 40 cycles, which can be increased to 96% by carbon coating (see picture). "Chemical Equation Presented".
URI
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DOI
http://dx.doi.org/10.1002/anie.200906287
ISSN
1433-7851
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