Reversible phase transformation of MnO2nanosheets in an electrochemical capacitor investigated by in situRaman spectroscopy
- 22 November 2010
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- Vol. 47 (4), 1252-1254
- https://doi.org/10.1039/c0cc03902k
Abstract
The reversible phase transformation is reported from hexagonal to monoclinic structure responding to the intercalation/deintercalation of Na+ between MnO2 nanosheets upon potential cycling in aqueous electrolyte via an in situ Raman technique. This structural evolution will influence the Na+ diffusion process in MnO2 nanosheets and cause phase retention during the self-discharge process.Keywords
This publication has 17 references indexed in Scilit:
- Enhanced capacitance of manganese oxide via confinement inside carbon nanotubesChemical Communications, 2010
- Flexible supercapacitor based on polyaniline nanowires/carbon cloth with both high gravimetric and area-normalized capacitanceJournal of Power Sources, 2010
- Mesoporous MnO2/Carbon Aerogel Composites as Promising Electrode Materials for High-Performance SupercapacitorsLangmuir, 2010
- Microstructural Effects on Charge-Storage Properties in MnO2-Based Electrochemical SupercapacitorsACS Applied Materials & Interfaces, 2009
- Mesoporous nanowire array architecture of manganese dioxide for electrochemical capacitor applicationsChemical Communications, 2009
- Materials for electrochemical capacitorsNature Materials, 2008
- Growth of Manganese Oxide Nanoflowers on Vertically-Aligned Carbon Nanotube Arrays for High-Rate Electrochemical Capacitive Energy StorageNano Letters, 2008
- Electrochemical Capacitors for Energy ManagementScience, 2008
- Anodic deposition of layered manganese oxide into a colloidal crystal template for electrochemical supercapacitorElectrochemistry Communications, 2007
- Charge Storage Mechanism of MnO2 Electrode Used in Aqueous Electrochemical CapacitorChemistry of Materials, 2004