Na0.35MnO2 as an ionic conductor with randomly distributed nano-sized layers
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Here we show that through a straightforward synthesis it is possible to create a bulk material, Na0.35MnO2, with isolated sheets. Due to such arrangement of the oxide layers, this ionic conductor was found to be genuinely pseudocapacitive, with charge storage not limited by diffusion of ions between stacked layers, resulting in capacitance values of 190 F g-1 under exceptionally high current rates of up to 200 A g-1.
Adomkevicius , A , Cabo-Fernandez , L , Wu , T-H , Ou , T-M , Chen , M-G , Andreev , Y , Hu , C-C & Hardwick , L J 2017 , ' Na 0.35 MnO 2 as an ionic conductor with randomly distributed nano-sized layers ' Journal of Materials Chemistry A , vol. 5 , no. 20 , pp. 10021-10026 . DOI: 10.1039/C7TA02913F
Journal of Materials Chemistry A
© 2017 the Authors. This work has been made available online in accordance with the publisher’s policies. This is the author created accepted version manuscript following peer review and as such may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1039/C7TA02913F
DescriptionThe authors like to acknowledge the support of the European Commission FP7 Project “Stable Interfaces for Rechargeable Batteries” (SIRBATT) (FP7-ENERGY-2013, grant agreement No. 608502), the Royal Society and the Engineering and Physical Sciences Research Council (EPSRC) for the part funding of this research under Grant Numbers EP/K016954/1 and EP/N032888/1. The Ministry of Science and Technology, Taiwan (MOST 103-2911-I-007-515, 104-3113-E-006-005, NSC 102-2221-E-007-120-MY3) and the boost program from LCERC of National Tsing Hua University (NTHU) is acknowledged.
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