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Passivation capability of carbon black layers for screen-printed battery applications with Ag current collectors

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

Applied Physics A, Volume: 126, Issue: 8

Swansea University Author: Tim Claypole Orcid Logo

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DOI (Published version): 10.1007/s00339-020-03785-y

Abstract

Screen-printed thin-film batteries comprise current collectors typically realised with commercially available conductive silver inks primarily designed for non-critical printed electronics applications. The avoidance of electrochemical interaction of metallic silver with the respective battery chemi...

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Published in: Applied Physics A
ISSN: 0947-8396 1432-0630
Published: Springer Science and Business Media LLC 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa54692
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first_indexed 2020-07-13T08:24:45Z
last_indexed 2020-08-25T03:19:37Z
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spelling 2020-08-24T12:46:36.9932246 v2 54692 2020-07-13 Passivation capability of carbon black layers for screen-printed battery applications with Ag current collectors 7735385522f1e68a8775b4f709e91d55 0000-0003-1393-9634 Tim Claypole Tim Claypole true false 2020-07-13 MECH Screen-printed thin-film batteries comprise current collectors typically realised with commercially available conductive silver inks primarily designed for non-critical printed electronics applications. The avoidance of electrochemical interaction of metallic silver with the respective battery chemistry requires printing of an additional passivation layer. The wide range of printing inks available makes it difficult for researchers to select and qualify battery specific inks that ensure a long-life cycle without limitation of relevant battery performance parameters. This study presents a novel method to quantify the passivation capability of carbon black passivation layers for silver current collectors in 6.0 M potassium hydroxide and 5.8 M zinc chloride aqueous electrolyte solutions. Cyclic voltammetry is used to determine possible electrochemical interaction of passivated current collectors with the electrolyte media which constitute battery performance degrading parasitic side reactions. An innovative approach based on Faraday’s law of electrolysis is presented to transform cyclic voltammogram curve progressions into comparable numerical values. The mathematical approach allows quantitative comparison of individually fabricated passivation layers with respect to their passivation capability instead of interpreting a large number of cyclic voltammograms. Journal Article Applied Physics A 126 8 Springer Science and Business Media LLC 0947-8396 1432-0630 Printed flexible batteries; Current collectors; Corrosion; Electrochemistry; Cyclic voltammetry; Electrochemical passivation 1 8 2020 2020-08-01 10.1007/s00339-020-03785-y COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2020-08-24T12:46:36.9932246 2020-07-13T09:22:26.8527554 Patrick Rassek 1 Erich Steiner 2 Tim Claypole 0000-0003-1393-9634 3 Martin Krebs 4 Michael Herrenbauer 5 54692__18028__a3b2b9b5993045f0a423e835b12b9a75.pdf 54692.pdf 2020-08-24T12:44:45.0729271 Output 1089014 application/pdf Accepted Manuscript true 2021-07-06T00:00:00.0000000 true English
title Passivation capability of carbon black layers for screen-printed battery applications with Ag current collectors
spellingShingle Passivation capability of carbon black layers for screen-printed battery applications with Ag current collectors
Tim Claypole
title_short Passivation capability of carbon black layers for screen-printed battery applications with Ag current collectors
title_full Passivation capability of carbon black layers for screen-printed battery applications with Ag current collectors
title_fullStr Passivation capability of carbon black layers for screen-printed battery applications with Ag current collectors
title_full_unstemmed Passivation capability of carbon black layers for screen-printed battery applications with Ag current collectors
title_sort Passivation capability of carbon black layers for screen-printed battery applications with Ag current collectors
author_id_str_mv 7735385522f1e68a8775b4f709e91d55
author_id_fullname_str_mv 7735385522f1e68a8775b4f709e91d55_***_Tim Claypole
author Tim Claypole
author2 Patrick Rassek
Erich Steiner
Tim Claypole
Martin Krebs
Michael Herrenbauer
format Journal article
container_title Applied Physics A
container_volume 126
container_issue 8
publishDate 2020
institution Swansea University
issn 0947-8396
1432-0630
doi_str_mv 10.1007/s00339-020-03785-y
publisher Springer Science and Business Media LLC
document_store_str 1
active_str 0
description Screen-printed thin-film batteries comprise current collectors typically realised with commercially available conductive silver inks primarily designed for non-critical printed electronics applications. The avoidance of electrochemical interaction of metallic silver with the respective battery chemistry requires printing of an additional passivation layer. The wide range of printing inks available makes it difficult for researchers to select and qualify battery specific inks that ensure a long-life cycle without limitation of relevant battery performance parameters. This study presents a novel method to quantify the passivation capability of carbon black passivation layers for silver current collectors in 6.0 M potassium hydroxide and 5.8 M zinc chloride aqueous electrolyte solutions. Cyclic voltammetry is used to determine possible electrochemical interaction of passivated current collectors with the electrolyte media which constitute battery performance degrading parasitic side reactions. An innovative approach based on Faraday’s law of electrolysis is presented to transform cyclic voltammogram curve progressions into comparable numerical values. The mathematical approach allows quantitative comparison of individually fabricated passivation layers with respect to their passivation capability instead of interpreting a large number of cyclic voltammograms.
published_date 2020-08-01T04:08:23Z
_version_ 1763753594171949056
score 11.014358

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