2015年10月
Synthesis and lithium insertion properties of ramsdellite LixTiO2 anode materials
MATERIALS RESEARCH BULLETIN
- ,
- 巻
- 70
- 号
- 開始ページ
- 748
- 終了ページ
- 752
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1016/j.materresbull.2015.06.014
- 出版者・発行元
- PERGAMON-ELSEVIER SCIENCE LTD
Ramsdellite LixTiO(2) (x=0.47) with reduced form is successfully prepared as a single phase by heating an amorphous lithium peroxo-polytitanate in 4.8% H-2 at 1100 degrees C for 0-1 h. The XRD data are well refined with the space group Pnma with a= 0.96076 nm, b =0.29514nm and c= 0.50276 nm. The ramsdellite LixTiO2 transforms into a rutile-ramsdellite intergrowth phase by extending the heating time to 1.25-4h. The capacity of the ramsdellite LixTiO2 in the region of 1.0-2.5V (vs Li) is 208 mAhg(-1) at 0.8 C rate (0.13 mA mg(-1)), substantially larger than that of the ramsdellite Li2Ti3O7 with oxidized form. The lithium insertion and deinsertion proceeds in two stages: a sloping region at higher potential (1.4-2.3 V) and a plateau region at lower potential (1.3-1.4V). (C) 2015 Elsevier Ltd. All rights reserved.
- リンク情報
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- DOI
- https://doi.org/10.1016/j.materresbull.2015.06.014
- Web of Science
- https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000359873700113&DestApp=WOS_CPL
- URL
- http://www.sciencedirect.com/science/article/pii/S0025540815003840
- ID情報
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- DOI : 10.1016/j.materresbull.2015.06.014
- ISSN : 0025-5408
- eISSN : 1873-4227
- ORCIDのPut Code : 30757580
- SCOPUS ID : 84930959663
- Web of Science ID : WOS:000359873700113