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Flexible Freestanding MoO3-x-Carbon Nanotubes-Nanocellulose Paper Electrodes for Charge-Storage Applications
Linkoping Univ, Dept Phys Chem & Biol IFM, S-58183 Linkoping, Sweden;Alexandria Univ, Fac Sci, Dept Chem, Alexandria 21321, Egypt.ORCID iD: 0000-0003-0358-2379
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Inorganic Chemistry.ORCID iD: 0000-0001-6118-0226
Linkoping Univ, Dept Phys Chem & Biol IFM, S-58183 Linkoping, Sweden.
Peking Univ, Coll Chem & Mol Engn, Yiheyuan Rd 5, Beijing 100871, 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
2019.
Keywords [en]
carbon nanotubes, charge storage applications, Cladophora cellulose, molybdenum oxide, paper electrodes
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:uu:diva-397673DOI: 10.1002/cssc.201902394ISI: 000495103400001PubMedID: 31613052OAI: oai:DiVA.org:uu-397673DiVA, id: diva2:1373977
Funder
Swedish Foundation for Strategic Research , EM16-0004Knut and Alice Wallenberg Foundation, KAW 2015.0043Available from: 2019-11-28 Created: 2019-11-28 Last updated: 2019-11-28Bibliographically approved

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Wang, ZhaohuiNyholm, Leif

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