Na0.35MnO2 as an ionic conductor with randomly distributed nano-sized layers

Na0.35MnO2 as an ionic conductor with randomly distributed nano-sized layers

Here we show that through a straightforward synthesis it is possible to create a bulk material, Na0.35MnO2, with isolated sheets. Due to such an arrangement of the oxide layers, this ionic conductor was found to be genuinely pseudocapacitive, with charge storage not limited by diffusion of ions betw...

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Veröffentlicht in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2017-05, Vol.5 (20), p.10021-10026
Hauptverfasser: Adomkevicius, Arturas, Cabo-Fernandez, Laura, Wu, Tzu-Ho, Ou, Tzu-Man, Chen, Ming-Guan, Andreev, Yuri, Hu, Chi-Chang, Hardwick, Laurence J
Format: Artikel
Sprache:eng
Schlagworte:
Conductors (devices)
Diffusion
Diffusion layers
High current
Nanostructure
Oxides
Renewable energy
Synthesis
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Beschreibung
Zusammenfassung:Here we show that through a straightforward synthesis it is possible to create a bulk material, Na0.35MnO2, with isolated sheets. Due to such an 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.
ISSN:2050-7488
2050-7496
DOI:10.1039/c7ta02913f