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|Title:||Synthesis of mixed-conducting carbon coated porous γ-Fe 2O3 microparticles and their properties for reversible lithium ion storage|
|Citation:||Ma, Y., Ji, G., Lee, J.Y. (2011-09-14). Synthesis of mixed-conducting carbon coated porous γ-Fe 2O3 microparticles and their properties for reversible lithium ion storage. Journal of Materials Chemistry 21 (34) : 13009-13014. ScholarBank@NUS Repository. https://doi.org/10.1039/c1jm12070k|
|Abstract:||Disk-like α-Fe2O3 microparticles were synthesized by a facile hydrothermal method and transformed into iron oxide/carbon composites by chemical vapor deposition in an acetylene atmosphere. Through careful control of the reaction time, carbon-coated porous γ-Fe2O3 microparticles with reversible Li + storage properties were produced. The measured specific capacity after 40 cycles of charge and discharge was in excess of 900 mA h g-1 and rate capability was very good up to a current density of 2000 mA g -1. The good performance in Li+ storage could be attributed to the combination of porosity and a uniform nanocarbon coating which provided mixed-conducting properties for the fast diffusion of both lithium ions and electrons. © 2011 The Royal Society of Chemistry.|
|Source Title:||Journal of Materials Chemistry|
|Appears in Collections:||Staff Publications|
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