Journal
MATERIALS LETTERS
Volume 139, Issue -, Pages 329-332Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2014.10.089
Keywords
Lithium cobalt phosphate; LiFe0.1Co0.9PO4; Tin-carbon; Ionic-liquid electrolyte; Li-ion battery
Funding
- 7th Framework Program of European Union [314282]
- Basilicata Innovazione Project
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In this work we report the characteristics of a lithium ion battery formed by the combination of a Fe-substituted, C-coated LiCoPO4 cathode with a nano-structured Sn-C anode in a N-butyl-N-methylpyrrolidinium-bis(trifluoromethanesulfonyl)-Imide (Pyr(14)TFSI)-LiTESI non-flammable, IL-based electrolyte. The preliminary results show that the cell operates at about 4.5 V, as a result of the electrochemical insertion-deinsertion process due to Co3+/Co2+ redox couple at the cathode and Li-Sn-C alloying/de-alloying process at the anode, with a specific capacity approaching 90 mAh g(-1). (C) 2014 Elsevier B.V. All rights reserved.
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