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New mixed transition metal oxysalts as negative electrode materials for lithium-ion batteries

✍ Scribed by B. León; C. Pérez Vicente; J.L. Tirado


Book ID
119373534
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
781 KB
Volume
225
Category
Article
ISSN
0167-2738

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MnVzO,, (0.5 < 6 < 1) amorphous oxides reversibly insert large amounts of Li (e.g. Li12MnV206,96) at low voltage (= 1 V). During the first Li insertion, Mn 4+ is first reduced to Mnz+ and Vs' is reduced to V3+. Upon further cycling, the V oxidation state varies reversibly between +3 and +5, whereas