Magnesium batteries:: Towards a first use of graphite fluorides

被引：60

作者：

Giraudet, Jerome ^{[1
]}

Claves, Daniel

Guerin, Katia

Dubois, Marc

Houdayer, Axel

Masin, Francis

Hamwi, Andre

机构：

[1] Univ Libre Bruxelles, Mat Condens & Reson Magnet, Brussels, Belgium

[2] Univ Clermont Ferrand 2, UMR CNRS 6002, Lab Mat Inorgan, F-63177 Clermont Ferrand, France

来源：

JOURNAL OF POWER SOURCES | 2007年 / 173卷 / 01期

关键词：

graphite fluoride; magnesium batteries; electrochemical properties;

D O I：

10.1016/j.jpowsour.2007.04.067

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Graphite fluorides obtained by fluorination of graphite at room temperature and after a subsequent re-fluorination treatment were characterised by X-ray diffraction and F-19 MAS NMR. Their electrochemical performances as cathode materials in magnesium batteries have been investigated. Four different electrolytes (0.5 or 1 M Mg(ClO4)(2) in ACN, DMSO, PC and THF) were used for these tests. The specific energy and power densities were estimated for all media. A comparison of the performances between lithium and magnesium batteries was realised. The effect, on the electrochemical performances, of a re-fluorination treatment at 250 degrees C was also studied. (C) 2007 Elsevier B.V. All rights reserved.

引用

页码：592 / 598

页数：7

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