期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 518, 期 -, 页码 58-62出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2011.12.134
关键词
NH4MnPO4 center dot H2O; Flower-like morphology; LiMnPO4/C; Lithium ion battery; Discharge capacity
Ammonium magnesium phosphate monohydrate (NH4MnPO4 center dot H2O) precursor was prepared by a novel precipitating process with manganese citrate complexes as intermediate. The morphology of the precursor observed by Scanning Electron Microscope (SEM) was flower-like which was self-assembled by plate-like particles. Further analysis by X-ray diffraction (XRD) revealed that the lattice of the plate crystal was orientated along (0 1 0) plane. By solid-state reaction of the precursor, with lithium acetate and glucose as carbon source, pure olivine structured LiMnPO4/C composite was obtained and meanwhile, the original flower-like morphology could be retained. (C) 2012 Elsevier B. V. All rights reserved.
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