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Electrochemical characterizations of Co0.5TiOPO4 as anode material for lithium-ion batteries
Univ Cadi Ayyad, FST Marrakech, LCME, Ave A Khattabi,BP 549, Marrakech 40000, Morocco..
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Structural Chemistry.
Univ Cadi Ayyad, FST Marrakech, LCME, Ave A Khattabi,BP 549, Marrakech 40000, Morocco.;Univ Mohammed VI Polytech, Ctr Adv Mat, Lot 660 Hay Moulay Rachid, Ben Guerir, Morocco..ORCID iD: 0000-0003-1322-361X
Univ Mohammed VI Polytech, Ctr Adv Mat, Lot 660 Hay Moulay Rachid, Ben Guerir, Morocco..
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2016 (English)In: Solar Energy Materials and Solar Cells, ISSN 0927-0248, E-ISSN 1879-3398, Vol. 148, p. 44-51Article in journal (Refereed) Published
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Abstract [en]

Titanium oxyphosphate M0.5TiOPO4 (M=Ni, Cu, Fe) represent a promising candidate as an anode material for the lithium-ion batteries thanks to their good energetic performance and structural stability. In this work, we report on the high capacity of Co0.5TiOPO4/C electrode material. In particular, at C rate, the discharge capacity of more than 210 mA h/g was maintained for 80 charge/discharge cycles. Furthermore, Co0.5TiOPO4/C composite exhibits excellent rate-capability with excellent coulombic efficiency. The outstanding electrochemical performance of Co0.5TiOPO4/C anode material might be attributed to its well crystallinity, controlled morphology due to the sol-gel preparation method, and the particles surface carbon-coating.

Place, publisher, year, edition, pages
2016. Vol. 148, p. 44-51
Keywords [en]
Energy storage, Li-ion batteries, Anode material, Oxyphosphate, Co0.5TiOPO4, Carbon-coating
National Category
Physical Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-283760DOI: 10.1016/j.solmat.2015.09.027ISI: 000371944500009OAI: oai:DiVA.org:uu-283760DiVA, id: diva2:919696
Conference
2nd International Renewable and Sustainable Energy Conference (IRSEC), OCT 17-19, 2014, Ouarzazate, MOROCCO
Funder
StandUpAvailable from: 2016-04-14 Created: 2016-04-14 Last updated: 2017-12-30

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Brandell, DanielEdström, Kristina

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