Rapid synthesis of LiCr0.15Mn1.85O4 by glycine-nitrate method
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LiCr0.15Mn1.85O4 spinel has been successfully synthesized by glycine-nitrate method (GNM). The presence of pure spinel phase was confirmed by long term XRPD measurements and the Rietveld structural refinement. Lattice parameter was estimated to be 8.2338 angstrom. Average particle size of prepared powder material is below 500nm. The BET surface area is 9.6m(2)g(-1). As a cathode material for lithium batteries LiCr0.15Mn1.85O4 shows initial discharge capacity of 110mA h g(-1) and capacity retention of 83% after 50 cycles. (c) 2006 Elsevier B.V. All rights reserved.
Кључне речи:LiCr0.15Mn1.85O4 spinel / glycine-nitrate method / Rietveld refinement / cathode material
Извор:Solid State Ionics, 2006, 177, 9-10, 847-850
ISSN: 0167-2738 (print)