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Advances in manganese-oxide ‘composite’ electrodes for lithium-ion batteries

Advances in manganese-oxide ‘composite’ electrodes for lithium-ion batteries Recent advances to develop manganese-rich electrodes derived from ‘composite’ structures in which a LiMnO(layered) component is structurally integrated with either a layered LiMO component or a spinel LiMO component, in which M is predominantly Mn and Ni, are reviewed. The electrodes, which can be represented in two-component notation as LiMnO·(1 −)LiMO and LiMnO·(1 −)LiMO, are activated by lithia (LiO) and/or lithium removal from the LiMnO, LiMO and LiMO components. The electrodes provide an initial capacity >250 mAh g when discharged between 5 and 2.0 V Li and a rechargeable capacity up to 250 mAh g over the same potential window. Electrochemical charge and discharge reactions are followed on compositional phase diagrams. The data bode well for the development and exploitation of high capacity electrodes for the next generation of lithium-ion batteries. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Materials Chemistry Royal Society of Chemistry

Advances in manganese-oxide ‘composite’ electrodes for lithium-ion batteries

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Datasource
Royal Society of Chemistry
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Abstract

Recent advances to develop manganese-rich electrodes derived from ‘composite’ structures in which a LiMnO(layered) component is structurally integrated with either a layered LiMO component or a spinel LiMO component, in which M is predominantly Mn and Ni, are reviewed. The electrodes, which can be represented in two-component notation as LiMnO·(1 −)LiMO and LiMnO·(1 −)LiMO, are activated by lithia (LiO) and/or lithium removal from the LiMnO, LiMO and LiMO components. The electrodes provide an initial capacity >250 mAh g when discharged between 5 and 2.0 V Li and a rechargeable capacity up to 250 mAh g over the same potential window. Electrochemical charge and discharge reactions are followed on compositional phase diagrams. The data bode well for the development and exploitation of high capacity electrodes for the next generation of lithium-ion batteries.

Journal

Journal of Materials ChemistryRoyal Society of Chemistry

Published: Jun 7, 2005

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