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Flexible Freestandi...
Flexible Freestanding MoO3-x-Carbon Nanotubes-Nanocellulose Paper Electrodes for Charge-Storage Applications
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- Etman, Ahmed S. (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten,Alexandria Univ, Egypt
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- Wang, Zhaohui (author)
- Uppsala universitet,Oorganisk kemi,Uppsala Univ, Sweden
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- El Ghazaly, Ahmed (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Sun, Junliang (author)
- Peking Univ, Coll Chem & Mol Engn, Yiheyuan Rd 5, Beijing 100871, Peoples R China
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- Nyholm, Leif, 1961- (author)
- Uppsala universitet,Oorganisk kemi,Uppsala Univ, Sweden
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- Rosén, Johanna (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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(creator_code:org_t)
- 2019-11-08
- 2019
- English.
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In: ChemSusChem. - : John Wiley & Sons. - 1864-5631 .- 1864-564X. ; 12:23, s. 5157-5163
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Abstract
Subject headings
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- 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 μm 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.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Annan kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Other Chemistry Topics (hsv//eng)
Keyword
- carbon nanotubes
- charge storage applications
- Cladophora cellulose
- molybdenum oxide
- paper electrodes
Publication and Content Type
- ref (subject category)
- art (subject category)
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