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Facile synthesis of porous-carbon/LiFePO4 nanocomposites

Title
Facile synthesis of porous-carbon/LiFePO4 nanocomposites
Other Titles
LiFePO4 nanocomposites
Author
김영호
Keywords
Li-ion batteries; LiFePO4; Nanocomposites; Porous carbon
Issue Date
2012-11
Publisher
Springer Science + Business Media
Citation
JOURNAL OF NANOPARTICLE RESEARCH, Vol.14 No.12 [2012], pp. 1-9
Abstract
Porous-carbon/LiFePO4 nanocomposites were synthesized by a simple one-step sol?gel process without a pore-forming agent or ball-milling processes. These nanocomposites retained a specific capacity of 96 mAh g?1 even at a rate as high as 5 C (1 C = 170 mA g?1). Smaller grain size and larger BET surface area induced by the increased carbon matrix do not insure the enhanced electrochemical properties. The optimum carbon content for the highest electrochemical properties is correlated well with the charge-transfer resistance and apparent Li+ diffusivity.
URI
http://link.springer.com/article/10.1007%2Fs11051-012-1327-1http://hdl.handle.net/20.500.11754/52981
ISSN
1388-0764
DOI
10.1007/s11051-012-1327-1
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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