2PO4

Apr 22, 2014 - Materials Science and Engineering Program, The University of Texas at Austin, Austin, Texas 78712, United States. ‡ Advanced Light So...
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Article pubs.acs.org/cm

High-Capacity, Aliovalently Doped Olivine LiMn1−3x/2Vx□x/2PO4 Cathodes without Carbon Coating Arturo Gutierrez,† Ruimin Qiao,‡ Liping Wang,§ Wanli Yang,‡ Feng Wang,§ and Arumugam Manthiram*,† †

Materials Science and Engineering Program, The University of Texas at Austin, Austin, Texas 78712, United States Advanced Light Source, Lawrence Berkeley National Laboratory, Berkley, California 94720, United States § Sustainable Energy Technologies Department, Brookhaven National Laboratory, Upton, New York 11973, United States ‡

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ABSTRACT: A substantial amount of Mn2+ has been aliovalently substituted by V3+ in cationdeficient LiMn1−3x/2Vx□x/2PO4 (0 ≤ x ≤ 0.20) by a low-temperature (