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The Li1+xMn2O4C system Materials and electrochemical aspects

✍ Scribed by J.M. Tarascon; F. Coowar; G. Amatuci; F.K. Shokoohi; D.G. Guyomard

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
519 KB
Volume
54
Category
Article
ISSN
0378-7753

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✦ Synopsis

The importance of the synthesis conditions of Lil+xMn20, on its electrochemical performance, namely, capacity fading and initial capacity is discussed. By using a well-defined thermal treatment and a particular nominal composition, x=0.05, one can overcome the problem of capacity fading that was previously experienced with LiMn204 while, at the same time, enhancing the usable capacity. The importance of the thermal treatment in terms of oxygen stoichiometry effects and how cyclic voltammetry can be used to optimize Li~Γ·~Mn204 powders have been discussed.

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