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Issue 17, 2009
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An electrochemical study of lithium insertion into Cr5−yTiySe8 (y = 1, 2, 3, 4, 4.5) beyond the intercalation limit

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Abstract

We studied the electrochemical reaction of lithium with the pseudo-layered compounds Cr5−yTiySe8 (y = 1, 2, 3, 4, 4.5). About 16 Li ions per formula unit can be inserted reversibly corresponding to a specific capacity of about 500 mAh g−1. The electrical potential where the discharge process occurs is decreasing monotonically with increasing titanium content y. The voltage of the discharge process can be adjusted via the titanium content between 0.8 and 0.35 V.

Graphical abstract: An electrochemical study of lithium insertion into Cr5−yTiySe8 (y = 1, 2, 3, 4, 4.5) beyond the intercalation limit

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Article information


Submitted
15 Dec 2008
Accepted
17 Feb 2009
First published
12 Mar 2009

Phys. Chem. Chem. Phys., 2009,11, 3250-3256
Article type
Paper

An electrochemical study of lithium insertion into Cr5−yTiySe8 (y = 1, 2, 3, 4, 4.5) beyond the intercalation limit

S. Indris, J. Wontcheu and W. Bensch, Phys. Chem. Chem. Phys., 2009, 11, 3250
DOI: 10.1039/B822397A

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