电化学
锂(药物)
结构精修
钙长石
阳极
插层(化学)
阴极
磷酸钒锂电池
晶体结构
无机化学
粉末衍射
材料科学
化学
结晶学
电极
物理化学
医学
内分泌学
作者
Toshihiro Matsumura,Ryoji Kanno,Yusuke Inaba,Y. Kawamoto,Mikio Takano
出处
期刊:Journal of The Electrochemical Society
[The Electrochemical Society]
日期:2002-01-01
卷期号:149 (12): A1509-A1509
被引量:56
摘要
A new lithium iron oxide, with a tunnel structure was synthesized by an ion exchange reaction between the host material, β-FeOOH, with and its cathodic properties for lithium cells were examined. The ion exchange reaction was carried out by solvothermal reactions using various alcohols and the new phase was obtained for the reaction at 110°C. Its structure, determined by X-ray diffraction measurements using Rietveld analysis, has the hollandite-type tunnel structure. Lithium cells consisting of the new cathodes and lithium anodes showed good charge and discharge reversibility in the voltage range, 1.5 to 4.5 V. The lithium intercalation and deintercalation mechanism was characterized using X-ray diffraction results, Mössbauer spectroscopy, and electrochemical measurements. © 2002 The Electrochemical Society. All rights reserved.
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