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Park, Soojin
Nano-Functional Materials Lab
Research Interests
  • Block Copolymers, nanostructured materials for Lithium-Ion batteries, wearable and stretchable energy storage applications

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Highly dispersive and electrically conductive silver-coated Si anodes synthesized via a simple chemical reduction process

Cited 6 times inthomson ciCited 1 times inthomson ci
Title
Highly dispersive and electrically conductive silver-coated Si anodes synthesized via a simple chemical reduction process
Author
Yoo, SeungminLee, Jung-InKo, SeungheePark, Soojin
Keywords
Ag-coated Si; Chemical reduction; Highly conductive anode; Lithium-ion batteries
Issue Date
201311
Publisher
Elsevier BV
Citation
NANO ENERGY, v.2, no.6, pp.1271 - 1278
Abstract
We describe a simple route for synthesizing electrically conductive Ag-coated Si anode materials with a high surface coverage via a simple chemical reduction process. A one-pot reduction process in the presence of alkylamine leads to a formation of Ag-coated Si particles at low temperature. The Ag-coated Si particles are highly dispersive and stable in aqueous and alcoholic solvents, and significantly enhance the poor electrical conductivity of Si particles. The electrically conductive Ag-coated Si electrodes exhibited excellent electrochemical performances, including a high reversible capacity (1550 mA h g-1 at 0.1 C rate), a stable cycling performance (a specific capacity of 1320 mA h g-1 at 0.2 C rate after 100 cycles), and excellent rate capability (a charge capacity of 640 mA h g-1 at 5 C rate). This simple route may open up an effective way to make other anode and cathode materials for practical lithium-ion battery applications.
URI
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DOI
http://dx.doi.org/10.1016/j.nanoen.2013.06.006
ISSN
2211-2855
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