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Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries
Flexible and Printed Electronics, Volume: 5, Issue: 3, Start page: 035007
Swansea University Author: Timothy Claypole
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DOI (Published version): 10.1088/2058-8585/abaaa0
Abstract
Fully printed primary zinc-manganese dioxide (Zn|MnO2) batteries in coplanar configuration were fabricated by sequential screen printing. While electrode dimensions and transferred active masses were kept at constant levels, electrode separating gaps were incrementally enlarged from 1 mm to 5 mm. Ca...
Published in: | Flexible and Printed Electronics |
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ISSN: | 2058-8585 |
Published: |
IOP Publishing
2020
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URI: | https://cronfa.swan.ac.uk/Record/cronfa55386 |
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2020-11-19T17:40:39.6208536 v2 55386 2020-10-09 Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries 7735385522f1e68a8775b4f709e91d55 Timothy Claypole Timothy Claypole true false 2020-10-09 Fully printed primary zinc-manganese dioxide (Zn|MnO2) batteries in coplanar configuration were fabricated by sequential screen printing. While electrode dimensions and transferred active masses were kept at constant levels, electrode separating gaps were incrementally enlarged from 1 mm to 5 mm. Calendering of solely zinc anodes increased interparticle contact of active material within the electrodes while the porosity of manganese dioxide based electrodes was maintained by non-calendering. Chronopotentiometry revealed areal capacities for coplanar batteries up to 2.8 mAh cm−2. Galvanostatic electrochemical impedance spectroscopy measurements and short circuit measurements were used to comprehensively characterise the effect of gap width extension on bulk electrolyte resistance and charge transfer resistance values. Linear relationships between nominal gap widths, short circuit currents and internal resistances were evidenced, but showed only minor impact on actual discharge capacities. The findings contradict previous assumptions to minimise gap widths of printed coplanar batteries to a sub-millimetre range in order to retain useful discharge capacities. The results presented in this study may facilitate process transfer of printed batteries to an industrial environment. Journal Article Flexible and Printed Electronics 5 3 035007 IOP Publishing 2058-8585 4 9 2020 2020-09-04 10.1088/2058-8585/abaaa0 COLLEGE NANME COLLEGE CODE Swansea University 2020-11-19T17:40:39.6208536 2020-10-09T09:30:31.4855355 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Patrick Rassek 1 Erich Steiner 2 Michael Herrenbauer 3 Timothy Claypole 4 55386__18388__7a2ba55546e9474cba4554976c493fd3.pdf 55386.pdf 2020-10-09T11:23:20.8282965 Output 1094045 application/pdf Accepted Manuscript true 2021-08-28T00:00:00.0000000 This Accepted Manuscript is available for reuse under a CC BY-NC-ND 3.0 license true eng https://creativecommons.org/licences/by-nc-nd/3.0 |
title |
Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries |
spellingShingle |
Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries Timothy Claypole |
title_short |
Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries |
title_full |
Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries |
title_fullStr |
Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries |
title_full_unstemmed |
Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries |
title_sort |
Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries |
author_id_str_mv |
7735385522f1e68a8775b4f709e91d55 |
author_id_fullname_str_mv |
7735385522f1e68a8775b4f709e91d55_***_Timothy Claypole |
author |
Timothy Claypole |
author2 |
Patrick Rassek Erich Steiner Michael Herrenbauer Timothy Claypole |
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Journal article |
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Flexible and Printed Electronics |
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5 |
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3 |
container_start_page |
035007 |
publishDate |
2020 |
institution |
Swansea University |
issn |
2058-8585 |
doi_str_mv |
10.1088/2058-8585/abaaa0 |
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IOP Publishing |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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facultyofscienceandengineering |
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Faculty of Science and Engineering |
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School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering |
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description |
Fully printed primary zinc-manganese dioxide (Zn|MnO2) batteries in coplanar configuration were fabricated by sequential screen printing. While electrode dimensions and transferred active masses were kept at constant levels, electrode separating gaps were incrementally enlarged from 1 mm to 5 mm. Calendering of solely zinc anodes increased interparticle contact of active material within the electrodes while the porosity of manganese dioxide based electrodes was maintained by non-calendering. Chronopotentiometry revealed areal capacities for coplanar batteries up to 2.8 mAh cm−2. Galvanostatic electrochemical impedance spectroscopy measurements and short circuit measurements were used to comprehensively characterise the effect of gap width extension on bulk electrolyte resistance and charge transfer resistance values. Linear relationships between nominal gap widths, short circuit currents and internal resistances were evidenced, but showed only minor impact on actual discharge capacities. The findings contradict previous assumptions to minimise gap widths of printed coplanar batteries to a sub-millimetre range in order to retain useful discharge capacities. The results presented in this study may facilitate process transfer of printed batteries to an industrial environment. |
published_date |
2020-09-04T09:36:42Z |
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11.053566 |