Preparation and characterization of sodium-graphite intercalation compounds

被引:0
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作者
Akuzawa, Noboru [1 ]
Yoshioka, Jun [1 ]
Ozaki, Chihiro [2 ]
Tokuda, Masahide [2 ]
Ohkura, Kenji [2 ]
Soneda, Yasushi [3 ]
机构
[1] Tokyo National College of Technology, 1220-2 Kunugida, Tokyo, Hachioji,193-0997, Japan
[2] SEC Corporation, 3-26 Osadano, Kyoto, Fukuchiyama,620-0853, Japan
[3] National Institute of Advanced Industrial Science and Technology (AIST), 16-1 Onogawa, Ibaraki, Tsukuba,305-8569, Japan
关键词
Alkali metal-graphite intercalation compounds - G-values - Metallic temperature dependence;
D O I
10.1080/10587250215260
中图分类号
学科分类号
摘要
Preparation and characterization of sodium-graphite intercalation compounds were investigated. It was confirmed that the resulting compound (NaC x) had the stage 8 structure with identity period of 2.8 nm. The Raman spectroscopy showed that the G-band signal of NaC x was observed at 1582 cm −1 and at 1608 cm −1, which is a typical indication of the formation of intercalation compounds. The g-value of NaC x was determined to be 2.0018 by the ESR measurement, which was very close to the reported values for the other alkali metal-graphite intercalation compounds. The electrical resistivity of NaC x was about 1/3 of that of host graphite at room temperature and showed metallic temperature dependence. © 2002, Copyright Taylor & Francis Group, LLC.
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页码:1 / 7
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