Development of titanium 3D mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery

Abstract Zinc dendrite growth negatively affects zinc–bromine flow battery (ZBB) performance by causing membrane damage, inducing self-discharge. Herein, in a ZBB, a conventional polymer mesh was replaced with a titanium-based mesh interlayer; this provided additional abundant active sites for the Z...

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Autores principales:	Je-Nam Lee, Eunbyul Do, Youngkwon Kim, Ji-Sang Yu, Ki Jae Kim
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5a555c0f85a549f6b0a532447374efc0
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spelling	oai:doaj.org-article:5a555c0f85a549f6b0a532447374efc02021-12-02T13:34:51ZDevelopment of titanium 3D mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery10.1038/s41598-021-83347-12045-2322https://doaj.org/article/5a555c0f85a549f6b0a532447374efc02021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83347-1https://doaj.org/toc/2045-2322Abstract Zinc dendrite growth negatively affects zinc–bromine flow battery (ZBB) performance by causing membrane damage, inducing self-discharge. Herein, in a ZBB, a conventional polymer mesh was replaced with a titanium-based mesh interlayer; this provided additional abundant active sites for the Zn2+/Zn redox reaction and well-developed electrolyte flow channels, which resulted in improved reaction kinetics and suppressed Zn dendrite growth. Compared with a ZBB cell comprising a conventional polymer mesh and a carbon-based electrode, the ZBB cell using the titanium mesh interlayer and a carbon-based electrode showed significantly reduced frequency of the refreshing process, which occurs at regular cycling intervals during practical use for removing residual zinc dendrites in ZBB; also, the average energy efficiency at a current density of 40 mA cm−2 increased by 38.5%. Moreover, the modified ZBB cell exhibited higher energy efficiency at a high current density of 80 mA cm−2, which is an improvement of 14.7% than in case of the contemporary polymer mesh. Consequently, this study can provide helpful insights for new anode side structures including spacer mesh for developing high-performance ZBBs.Je-Nam LeeEunbyul DoYoungkwon KimJi-Sang YuKi Jae KimNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Je-Nam Lee Eunbyul Do Youngkwon Kim Ji-Sang Yu Ki Jae Kim Development of titanium 3D mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery
description	Abstract Zinc dendrite growth negatively affects zinc–bromine flow battery (ZBB) performance by causing membrane damage, inducing self-discharge. Herein, in a ZBB, a conventional polymer mesh was replaced with a titanium-based mesh interlayer; this provided additional abundant active sites for the Zn2+/Zn redox reaction and well-developed electrolyte flow channels, which resulted in improved reaction kinetics and suppressed Zn dendrite growth. Compared with a ZBB cell comprising a conventional polymer mesh and a carbon-based electrode, the ZBB cell using the titanium mesh interlayer and a carbon-based electrode showed significantly reduced frequency of the refreshing process, which occurs at regular cycling intervals during practical use for removing residual zinc dendrites in ZBB; also, the average energy efficiency at a current density of 40 mA cm−2 increased by 38.5%. Moreover, the modified ZBB cell exhibited higher energy efficiency at a high current density of 80 mA cm−2, which is an improvement of 14.7% than in case of the contemporary polymer mesh. Consequently, this study can provide helpful insights for new anode side structures including spacer mesh for developing high-performance ZBBs.
format	article
author	Je-Nam Lee Eunbyul Do Youngkwon Kim Ji-Sang Yu Ki Jae Kim
author_facet	Je-Nam Lee Eunbyul Do Youngkwon Kim Ji-Sang Yu Ki Jae Kim
author_sort	Je-Nam Lee
title	Development of titanium 3D mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery
title_short	Development of titanium 3D mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery
title_full	Development of titanium 3D mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery
title_fullStr	Development of titanium 3D mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery
title_full_unstemmed	Development of titanium 3D mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery
title_sort	development of titanium 3d mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/5a555c0f85a549f6b0a532447374efc0
work_keys_str_mv	AT jenamlee developmentoftitanium3dmeshinterlayerforenhancingtheelectrochemicalperformanceofzincbromineflowbattery AT eunbyuldo developmentoftitanium3dmeshinterlayerforenhancingtheelectrochemicalperformanceofzincbromineflowbattery AT youngkwonkim developmentoftitanium3dmeshinterlayerforenhancingtheelectrochemicalperformanceofzincbromineflowbattery AT jisangyu developmentoftitanium3dmeshinterlayerforenhancingtheelectrochemicalperformanceofzincbromineflowbattery AT kijaekim developmentoftitanium3dmeshinterlayerforenhancingtheelectrochemicalperformanceofzincbromineflowbattery
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Development of titanium 3D mesh interlayer for enhancing the electrochemical performance of zinc–bromine flow battery

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