Influence of synthesis parameters on crystallization behavior and ionic conductivity of the Li4PS4I solid electrolyte

Abstract Superionic solid electrolytes are key to the development of advanced solid-state Li batteries. In recent years, various materials have been discovered, with ionic conductivities approaching or even exceeding those of carbonate-based liquid electrolytes used in high-performance Li-ion batter...

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Autores principales:	Florian Strauss, Jing Lin, Jürgen Janek, Torsten Brezesinski
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fabcce2a06b947958ffa5b549aa34ba9
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spelling	oai:doaj.org-article:fabcce2a06b947958ffa5b549aa34ba92021-12-02T18:34:13ZInfluence of synthesis parameters on crystallization behavior and ionic conductivity of the Li4PS4I solid electrolyte10.1038/s41598-021-93539-42045-2322https://doaj.org/article/fabcce2a06b947958ffa5b549aa34ba92021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93539-4https://doaj.org/toc/2045-2322Abstract Superionic solid electrolytes are key to the development of advanced solid-state Li batteries. In recent years, various materials have been discovered, with ionic conductivities approaching or even exceeding those of carbonate-based liquid electrolytes used in high-performance Li-ion batteries. Among the different classes of inorganic solid electrolytes under study, lithium thiophosphates are one of the most promising due to their high Li-ion conductivity at room temperature and mechanical softness. Here, we report about the effect of synthesis parameters on the crystallization behavior and charge-transport properties of Li4PS4I. We show that thermally induced crystallization of Li4PS4I (P4/nmm), starting from the glassy phase 1.5Li2S–0.5P2S5–LiI, adversely affects the material’s conductivity. However, both conductivity and crystallization temperature can be significantly increased by applying pressure during the preparation.Florian StraussJing LinJürgen JanekTorsten BrezesinskiNature 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 Florian Strauss Jing Lin Jürgen Janek Torsten Brezesinski Influence of synthesis parameters on crystallization behavior and ionic conductivity of the Li4PS4I solid electrolyte
description	Abstract Superionic solid electrolytes are key to the development of advanced solid-state Li batteries. In recent years, various materials have been discovered, with ionic conductivities approaching or even exceeding those of carbonate-based liquid electrolytes used in high-performance Li-ion batteries. Among the different classes of inorganic solid electrolytes under study, lithium thiophosphates are one of the most promising due to their high Li-ion conductivity at room temperature and mechanical softness. Here, we report about the effect of synthesis parameters on the crystallization behavior and charge-transport properties of Li4PS4I. We show that thermally induced crystallization of Li4PS4I (P4/nmm), starting from the glassy phase 1.5Li2S–0.5P2S5–LiI, adversely affects the material’s conductivity. However, both conductivity and crystallization temperature can be significantly increased by applying pressure during the preparation.
format	article
author	Florian Strauss Jing Lin Jürgen Janek Torsten Brezesinski
author_facet	Florian Strauss Jing Lin Jürgen Janek Torsten Brezesinski
author_sort	Florian Strauss
title	Influence of synthesis parameters on crystallization behavior and ionic conductivity of the Li4PS4I solid electrolyte
title_short	Influence of synthesis parameters on crystallization behavior and ionic conductivity of the Li4PS4I solid electrolyte
title_full	Influence of synthesis parameters on crystallization behavior and ionic conductivity of the Li4PS4I solid electrolyte
title_fullStr	Influence of synthesis parameters on crystallization behavior and ionic conductivity of the Li4PS4I solid electrolyte
title_full_unstemmed	Influence of synthesis parameters on crystallization behavior and ionic conductivity of the Li4PS4I solid electrolyte
title_sort	influence of synthesis parameters on crystallization behavior and ionic conductivity of the li4ps4i solid electrolyte
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/fabcce2a06b947958ffa5b549aa34ba9
work_keys_str_mv	AT florianstrauss influenceofsynthesisparametersoncrystallizationbehaviorandionicconductivityoftheli4ps4isolidelectrolyte AT jinglin influenceofsynthesisparametersoncrystallizationbehaviorandionicconductivityoftheli4ps4isolidelectrolyte AT jurgenjanek influenceofsynthesisparametersoncrystallizationbehaviorandionicconductivityoftheli4ps4isolidelectrolyte AT torstenbrezesinski influenceofsynthesisparametersoncrystallizationbehaviorandionicconductivityoftheli4ps4isolidelectrolyte
_version_	1718377898048487424

Influence of synthesis parameters on crystallization behavior and ionic conductivity of the Li4PS4I solid electrolyte

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