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Design and Validation of Anode-Free Sodium-Ion Pouch Cells Employing Prussian White Cathodes
,
Marcin Orzech ,
Sajad Kiani ,
Nathan Reynolds,
Matthew Houchell,
OLUTIMILEHIN OMISORE,
Zari Tehrani ,
Serena Margadonna
Batteries, Volume: 11, Issue: 3, Start page: 97
Swansea University Authors:
Ashley Willow , Marcin Orzech , Sajad Kiani , Nathan Reynolds, Matthew Houchell, OLUTIMILEHIN OMISORE, Zari Tehrani , Serena Margadonna
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© 2025 by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.
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DOI (Published version): 10.3390/batteries11030097
Abstract
This study investigated the impact of pouch cell design on energy density, both volumetric and gravimetric, through the development of accurate 3D models of small-format (<5 Ah) pouch cells. Various configurations were analysed, considering material properties and extrapolating expected electroch...
| Published in: | Batteries |
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| ISSN: | 2313-0105 |
| Published: |
MDPI AG
2025
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| Online Access: |
Check full text
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa69263 |
| Abstract: |
This study investigated the impact of pouch cell design on energy density, both volumetric and gravimetric, through the development of accurate 3D models of small-format (<5 Ah) pouch cells. Various configurations were analysed, considering material properties and extrapolating expected electrochemical performance from studies on Prussian white cathodes in coin and pouch cells. This approach allowed for a rapid assessment of several performance-influencing factors, including the number of layers in the pouch cell, cathode thickness, active material percentage, and electrolyte volume. The highest calculated energy density of small-format pouch cells was shown to be 282 Wh kg−1 and 454 Wh L−1, achieved in a 3 Ah, 20-layer pouch cell. The calculations were validated using sodium-ion anode-free pouch cells utilising a Prussian white cathode in single- and few-layer format pouch cells (<0.1 Ah) cycled under a low external pressure (~200 kPa). |
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| Keywords: |
sodium ion; anode-free cell; pouch cells; Prussian white; cathode |
| College: |
Faculty of Science and Engineering |
| Funders: |
This project was funded by Enserv Ltd. |
| Issue: |
3 |
| Start Page: |
97 |