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    • Keywords


      Lithium batteries; cathode material; modified Pechini process; cubic spinel materials.

    • Abstract


      Cubic spinels of composition, LiMgyMn2–yO4, with 𝑦 = 0.0, 0.05, 0.1, 0.15 and 0.2, were synthesized by a modified Pechini process using polyethylene glycol and citric acid. The phase formation and/or crystallization of the precursors were studied by thermal analysis. Products were characterized by X-ray diffraction and SEM analysis. Coin cells were fabricated with lithium as the anode and LiMgyMn2–yO4 as the cathode in an electrolyte of 1 M LiPF6 in a 1 : 1 (v/v) mixture of EC and DEC. The charge–discharge studies were performed and the results were compared with materials prepared by a solid state thermal method.

    • Author Affiliations


      A Subramania1 N Angayarkanni1 A R Sathiya Priya1 R Gangadharan1 T Vasudevan1

      1. Department of Industrial Chemistry, Alagappa University, Karaikudi 630 003, India
    • Dates

  • Bulletin of Materials Science | News

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      Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
      Chemical Sciences 2020

      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
      Physical Sciences 2020

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