Synthesis and characterization of the LiMnBO<inf>3</inf>-LiCoBO<inf>3</inf> solid solution and its use as a lithium-ion cathode material

B. Le Roux; C. Bourbon; O.I. Lebedev; J.-F. Colin; Valérie Pralong

doi:10.1021/acs.inorgchem.5b00260

Journal articles

Synthesis and characterization of the LiMnBO3-LiCoBO3 solid solution and its use as a lithium-ion cathode material

B. Le Roux ^{1, 2, 3} C. Bourbon ^{1, 3} O.I. Lebedev ² J.-F. Colin ^{1, 3} Valérie Pralong ²

1 LITEN - Laboratoire d'Innovation pour les Technologies des Energies Nouvelles et les nanomatériaux

2 CRISMAT - Laboratoire de cristallographie et sciences des matériaux

3 UGA - Université Grenoble Alpes

Abstract : A complete solid solution of m-Li(Mn1-xCox)BO3 has been successfully synthesized for the first time with the idea of improving the average potential versus m-LiMnBO3. These compounds have been obtained by a multiple-step process. Interestingly, transmission electron microscopy results indicate that the C2/c space group previously reported for m-LiMBO3 (M = Mn, Co) cannot describe m-Li(Mn1-xCox)BO3 compounds. Each material shows electrochemical activity, without in situ carbon coating. Despite a large polarization, we report a capacity of almost 60 mAh/g at the first discharge at C/20 rate with good stability up to five cycles for LiMn0.7Co0.3BO3. © 2015 American Chemical Society.

Keywords : Cobalt Transition metals Materials Chemical structure Space group

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Journal articles

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Chemical Sciences

Chemical Sciences / Cristallography

Chemical Sciences / Material chemistry

Chemical Sciences / Theoretical and/or physical chemistry

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Synthesis and characterization of the LiMnBO3-LiCoBO3 solid solution and its use as a lithium-ion cathode material

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Synthesis and characterization of the LiMnBO3-LiCoBO3 solid solution and its use as a lithium-ion cathode material

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