Synthesis and Electrochemical Properties of Monoclinic LiMnBO[subscript 3] as a Li Intercalation Material
Author(s)Kim, Jae Chul; Moore, Charles Jacob; Kang, Byoungwoo; Hautier, Geoffroy; Jain, Anubhav; Ceder, Gerbrand; ... Show more Show less
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We investigated the structural stability and electrochemical properties of LiMnBO[subscript 3] in the hexagonal and monoclinic form with ab initio computations and, for the first time, report electrochemical data on monoclinic LiMnBO[subscript 3] . In contrast to the negligible Li-storage capacity in the hexagonal LiMnBO[subscript 3] , a second cycle discharge capacity of 100mAh/g was achieved in the monoclinic LiMnBO[subscript 3] , with good capacity retention over multiple cycles. Elevated temperature cycling indicates that the capacity of monoclinic LiMnBO[subscript 3] is kinetically limited, and further improvement may be expected by addressing the Li ion and/or electron transport limitations.
DepartmentMassachusetts Institute of Technology. Department of Materials Science and Engineering
Journal of The Electrochemical Society
Kim, Jae Chul, Charles J. Moore, Byoungwoo Kang, Geoffroy Hautier, Anubhav Jain, and Gerbrand Ceder. Synthesis and Electrochemical Properties of Monoclinic LiMnBO[subscript 3] as a Li Intercalation Material. Journal of The Electrochemical Society 158, no. 3 (2011): A309. © 2011 by ECS -- The Electrochemical Society.
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