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Cathodic performance of anatase (TiO2)-coated Li(Ni0.8Co0.2)O2

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Abstract.

We report the use of Li(Ni0.8Co0.2)O2 coated with different amounts of anatase (TiO2) as a cathode material for lithium-ion cells. Electrochemical behavior is modified owing to coating and/or incorporation of titanium into the first few surface layers of Li(Ni0.8Co0.2)O2. Compositions with molar concentrations of x=0.005 and 0.02 exhibit better capacity retention than the mother compound (40 cycles, 0.5 C rate, 2.75–4.30 V).

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Authors and Affiliations

  1. Department of Physics, National University of Singapore, Singapore 119260, Singapore, , , , ,

    B. Chowdari &  G. Subba Rao

  2. Institute of Materials Research and Engineering (IMRE), 3 Research Link, Singapore 117602, Singapore, , , , ,

    S. Chow

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  1. B. Chowdari
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  2. G. Subba Rao
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  3. S. Chow
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Chowdari, .B., Subba Rao, .G. & Chow, .S. Cathodic performance of anatase (TiO2)-coated Li(Ni0.8Co0.2)O2 . J Solid State Electrochem 6, 565–567 (2002). https://doi.org/10.1007/s10008-002-0287-2

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  • DOI: https://doi.org/10.1007/s10008-002-0287-2

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