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Flexible Freestanding MoO3-x-Carbon Nanotubes-Nanocellulose Paper Electrodes for Charge-Storage Applications
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, Faculty of Science & Engineering. Alexandria Univ, Egypt.
Uppsala Univ, Sweden.
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, Faculty of Science & Engineering.
Peking Univ, Peoples R China.
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2019 (English)In: ChemSusChem, ISSN 1864-5631, E-ISSN 1864-564XArticle in journal (Refereed) Epub ahead of print
Abstract [en]

Herein, a one-step synthesis protocol was developed for synthesizing freestanding/flexible paper electrodes composed of nanostructured molybdenum oxide (MoO3-x) embedded in a carbon nanotube (CNT) and Cladophora cellulose (CC) matrix. The preparation method involved sonication of the precursors, nanostructured MoO3-x, CNTs, and CC with weight ratios of 7:2:1, in a water/ethanol mixture, followed by vacuum filtration. The electrodes were straightforward to handle and possessed a thickness of approximately 12 mu m and a mass loading of MoO3-x-CNTs of approximately 0.9 mg cm(-2). The elemental mapping showed that the nanostructured MoO3-x was uniformly embedded inside the CNTs-CC matrix. The MoO3-x-CNTs-CC paper electrodes featured a capacity of 30 C g(-1), normalized to the mass of MoO3-x-CNTs, at a current density of 78 A g(-1) (corresponding to a rate of approximately 210 C based on the MoO3 content, assuming a theoretical capacity of 1339 C g(-1)), and exhibited a capacity retention of 91 % over 30 000 cycles. This study paves the way for the manufacturing of flexible/freestanding nanostructured MoO3-x-based electrodes for use in charge-storage devices at high charge/discharge rates.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2019.
Keywords [en]
carbon nanotubes; charge storage applications; Cladophora cellulose; molybdenum oxide; paper electrodes
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Identifiers
URN: urn:nbn:se:liu:diva-162319DOI: 10.1002/cssc.201902394ISI: 000495103400001PubMedID: 31613052Scopus ID: 2-s2.0-85074816420OAI: oai:DiVA.org:liu-162319DiVA, id: diva2:1374036
Note

Funding Agencies|Swedish Foundation for Strategic Research (SSF)Swedish Foundation for Strategic Research [EM16-0004]; Knut and Alice Wallenberg (KAW) FoundationKnut & Alice Wallenberg Foundation [KAW 2015.0043]

Available from: 2019-11-28 Created: 2019-11-28 Last updated: 2019-12-04Bibliographically approved

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Etman, Ahmed S.El Ghazaly, AhmedRosén, Johanna
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