화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.66, 94-99, October, 2018
DOI10.1016/j.jiec.2018.05.017  Export Citation
Comparison of the structural and electrochemical properties of LiMn0.4Fe0.6PO4 cathode materials with different synthetic routes
Jae-Kwang Kim†, Gil Chan Hwang1, Seok-Ho Kim2, and Jou-Hyeon Ahn3, †
  • Department of Solar & Energy Engineering, Cheongju University, Cheongju, Chungbuk 28032, Republic of Korea
  • 1Department of Earth System Sciences, Yonsei University, Yonsei-ro 50, Seoul 03722, Republic of Korea
  • 2Department of Information Technical Subject and Mechatronics Engineering, Chonbuk National University, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
  • 3Department of Materials Engineering and Convergence Technology and RIGET, Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Republic of Korea
E-mail:,
In this study, we firstly evaluate the effects of two different synthetic methods on the structural and electrochemical properties of LiMn0.4Fe0.6PO4, which is used as a composite active cathode material. The structural characteristics are investigated by XRD and Rietveld refinement. The composite produced by mechanical activation, comprising nano-sized spherical particles, shows better electrochemical performance, but the contribution of the Mn3+/Mn2+ redox couple in the sol-gel technique on electrochemical properties is higher than that of mechanical activation. The LiMn0.4Fe0.6PO4 prepared by sol.gel process has higher cycle stability because the property of manganese mainly affects the cycle performance on LiMnyFe1-yPO4.
Keywords:Sol-gel;Mechanical activation;LiMn0.4Fe0.6PO4;Cathode material;Electrochemical property
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