Journal
JOURNAL OF MATERIALS RESEARCH
Volume 25, Issue 8, Pages 1460-1468Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1557/JMR.2010.0187
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Funding
- Energy Efficiency and Renewable Energy, Office of Vehicle Technologies of the United States Department of Energy [DE-AC02-05CH11231]
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A combustion synthesis technique was used to prepare nanoparticulate LiMgxMn1-xPO4 (x = 0, 0.1, 0.2)/carbon composites. Powders consisted of carbon-coated particles about 30 nm in diameter, which were partly agglomerated into larger secondary particles. The utilization of the active materials in lithium cells depended most strongly on the post-treatment and the Mg content, and was not influenced by the amount of carbon. Best results were achieved with a hydrothermally treated LiMg0.2Mn0.8PO4/C composite, which exhibited close to 50% utilization of the theoretical capacity at a C/2 discharge rate.
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