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Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries

Patrick Rassek, Erich Steiner, Michael Herrenbauer, Tim Claypole Orcid Logo

Flexible and Printed Electronics, Volume: 5, Issue: 3, Start page: 035007

Swansea University Author: Tim Claypole Orcid Logo

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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...

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Published in: Flexible and Printed Electronics
ISSN: 2058-8585
Published: IOP Publishing 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa55386
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spelling 2020-11-19T17:40:39.6208536 v2 55386 2020-10-09 Gap width modification on fully screen-printed coplanar Zn|MnO2 batteries 7735385522f1e68a8775b4f709e91d55 0000-0003-1393-9634 Tim Claypole Tim Claypole true false 2020-10-09 MECH 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 Mechanical Engineering COLLEGE CODE MECH Swansea University 2020-11-19T17:40:39.6208536 2020-10-09T09:30:31.4855355 College of Engineering Engineering Patrick Rassek 1 Erich Steiner 2 Michael Herrenbauer 3 Tim Claypole 0000-0003-1393-9634 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
Tim 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_***_Tim Claypole
author Tim Claypole
author2 Patrick Rassek
Erich Steiner
Michael Herrenbauer
Tim Claypole
format Journal article
container_title Flexible and Printed Electronics
container_volume 5
container_issue 3
container_start_page 035007
publishDate 2020
institution Swansea University
issn 2058-8585
doi_str_mv 10.1088/2058-8585/abaaa0
publisher IOP Publishing
college_str College of Engineering
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hierarchy_top_id collegeofengineering
hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
document_store_str 1
active_str 0
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 2020-09-04T04:10:25Z
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score 10.896665