Jervis, R;
Kok, MDR;
Montagut, J;
Gostick, JT;
Brett, DJL;
Shearing, PR;
(2018)
X-ray Nano Computed Tomography of Electrospun Fibrous Mats as Flow Battery Electrodes.
Energy Technology
, 6
(12)
pp. 2488-2500.
10.1002/ente.201800338.
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Abstract
KGaA, Weinheim Many electrochemical energy storage and conversion devices employ porous media as electrodes, gas diffusion layers or separators. Recently, electrospinning has received significant attention as a way to generate nano-fibers of polymers with controlled morphology and properties that, once carbonised, can act as conductive and porous media for electrochemical energy devices. The recent advances in X-ray computed tomography have led the technique to be widely used in the characterisation of energy technologies and porous media as it offers a uniquely non-destructive insight into the 3D microstructure of materials. Here we present electrospun fibrous mats with uncontrolled, controlled and aligned morphology for use as redox flow battery electrodes and, for the first time, obtain ultra-high resolution nano-tomographic X-ray imaging of the materials using a lab source. The virtual 3D volumes enable extraction of parameters that would not be possible via other characterisation routes.
| Type: | Article |
|---|---|
| Title: | X-ray Nano Computed Tomography of Electrospun Fibrous Mats as Flow Battery Electrodes |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/ente.201800338 |
| Publisher version: | https://doi.org/10.1002/ente.201800338 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | Electrospinning, redox flow battery, X-ray computed tomography, alignment, nano-CT, nano-fibres, porous media electrospun, electrodes |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Chemical Engineering |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10064094 |
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