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摘要:
LiFePO4 composite was synthesized by both solid state and hydrothermal methods. The physical properties of the as-prepared lithium iron phosphates were characterized by X-ray diffraction while electrochemical properties were measured with charge/discharge experiments. X-ray absorption spectroscopy (XAS) was performed to investigate the local structure arrangements of LiFePO4. Both X-ray absorption near edge structure (XANES) and extended X-ray absorption fine structure (EXAFS) spectra collected at the Fe K-edge shed light on structural differences between LiFePO4 samples synthesized with the two methods, partially accounting for their different electrochemical properties. (C) 2010 Elsevier B.V. All rights reserved.
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来源 :
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN: 0168-9002
年份: 2010
期: 1-3
卷: 619
页码: 122-127
1 . 4 0 0
JCR@2022
ESI学科: PHYSICS;
JCR分区:2