Single crystalline Na<inf>0.7</inf>MnO<inf>2</inf>nanoplates as cathode materials for sodium-ion batteries with enhanced performance
- Publication Type:
- Journal Article
- Chemistry - A European Journal, 2013, 19 (33), pp. 10884 - 10889
- Issue Date:
Single crystalline rhombus-shaped Na0.7MnO2nanoplates have been synthesized by a hydrothermal method. TEM and HRTEM analyses revealed that the Na0.7MnO2single crystals predominantly exposed their (100) crystal plane, which is active for Na+-ion insertion and extraction. When applied as cathode materials for sodium-ion batteries, Na0.7MnO2nanoplates exhibited a high reversible capacity of 163 mA h g-1, a satisfactory cyclability, and a high rate performance. The enhanced electrochemical performance could be ascribed to the predominantly exposed active (100) facet, which could facilitate fast Na+-ion insertion/extraction during the discharge and charge process. © 2013 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
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