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Nanosize cobalt oxides as anode materials for lithium-ion batteries
Authors:G. X. Wang   Y. Chen   K. Konstantinov   Jane Yao   Jung-ho Ahn   H. K. Liu  S. X. Dou
Affiliation:

Energy Storage Materials Research Program, Institute for Superconducting and Electronic Materials, University of Wollongong, Wollongong, NSW 2522, Australia

Abstract:Nanosize cobalt oxides (Co3O4) were synthesised by chemical decomposition of cobalt octacarbonyl in toluene at low temperature. Electrochemical properties of as-prepared Co3O4 as anodes in Li-ion cells were tested. The nanosized Co3O4 electrode demonstrate a stable reversible lithium storage capacity of 360 mAh/g within 30 cycles. The reactivity of as-prepared Co3O4 in Li-ion cells could be attributed to nanosize particles of Co3O4 and its lithiation products.
Keywords:Oxide materials   Electrode materials   Electrochemical reactions
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