Zn-based eutectic mixture as anolyte for hybrid redox flow batteries

Abstract Developing greener batteries with new chemistries is a formidable challenge, and a major focus for years to come. Redox flow batteries are receiving increasing research interest for grid-scale electrochemical energy storage owing to their unique architecture. However, challenges still remai...

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Autores principales: Yiyu Wang, Zhihui Niu, Qi Zheng, Changkun Zhang, Jing Ye, Gaole Dai, Yu Zhao, Xiaohong Zhang
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Lenguaje:EN
Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/7d20e56822ab41b6a62cb28a7b3173ce
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spelling oai:doaj.org-article:7d20e56822ab41b6a62cb28a7b3173ce2021-12-02T11:41:25ZZn-based eutectic mixture as anolyte for hybrid redox flow batteries10.1038/s41598-018-24059-x2045-2322https://doaj.org/article/7d20e56822ab41b6a62cb28a7b3173ce2018-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-24059-xhttps://doaj.org/toc/2045-2322Abstract Developing greener batteries with new chemistries is a formidable challenge, and a major focus for years to come. Redox flow batteries are receiving increasing research interest for grid-scale electrochemical energy storage owing to their unique architecture. However, challenges still remain by their low energy density as well as corrosive and/or toxic electrolytes. An anolyte based on aprotic Zn deep-eutectic-solvent, which uses low cost, abundant and environmentally benign materials, exhibits a utilizable concentration of Zn2+ ca. 1.7 M, resulting in a reversible volumetric capacity of ca. 90 A h·L−1. Combined with high efficiencies and relatively low redox potential of −1.12 V vs. Ag/AgCl, such an anolyte provides an alternative way to explore a family of anolytes using new chemistries for rechargeable Zn batteries that meet the criteria for grid-scale electrical energy storage.Yiyu WangZhihui NiuQi ZhengChangkun ZhangJing YeGaole DaiYu ZhaoXiaohong ZhangNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Yiyu Wang
Zhihui Niu
Qi Zheng
Changkun Zhang
Jing Ye
Gaole Dai
Yu Zhao
Xiaohong Zhang
Zn-based eutectic mixture as anolyte for hybrid redox flow batteries
description Abstract Developing greener batteries with new chemistries is a formidable challenge, and a major focus for years to come. Redox flow batteries are receiving increasing research interest for grid-scale electrochemical energy storage owing to their unique architecture. However, challenges still remain by their low energy density as well as corrosive and/or toxic electrolytes. An anolyte based on aprotic Zn deep-eutectic-solvent, which uses low cost, abundant and environmentally benign materials, exhibits a utilizable concentration of Zn2+ ca. 1.7 M, resulting in a reversible volumetric capacity of ca. 90 A h·L−1. Combined with high efficiencies and relatively low redox potential of −1.12 V vs. Ag/AgCl, such an anolyte provides an alternative way to explore a family of anolytes using new chemistries for rechargeable Zn batteries that meet the criteria for grid-scale electrical energy storage.
format article
author Yiyu Wang
Zhihui Niu
Qi Zheng
Changkun Zhang
Jing Ye
Gaole Dai
Yu Zhao
Xiaohong Zhang
author_facet Yiyu Wang
Zhihui Niu
Qi Zheng
Changkun Zhang
Jing Ye
Gaole Dai
Yu Zhao
Xiaohong Zhang
author_sort Yiyu Wang
title Zn-based eutectic mixture as anolyte for hybrid redox flow batteries
title_short Zn-based eutectic mixture as anolyte for hybrid redox flow batteries
title_full Zn-based eutectic mixture as anolyte for hybrid redox flow batteries
title_fullStr Zn-based eutectic mixture as anolyte for hybrid redox flow batteries
title_full_unstemmed Zn-based eutectic mixture as anolyte for hybrid redox flow batteries
title_sort zn-based eutectic mixture as anolyte for hybrid redox flow batteries
publisher Nature Portfolio
publishDate 2018
url https://doaj.org/article/7d20e56822ab41b6a62cb28a7b3173ce
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