Binder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities

Abstract All-solid-state batteries using inorganic solid electrolytes are considered promising energy storage systems because of their safety and long life. Stackable and compact sheet-type all-solid-state batteries are urgently needed for industrial applications such as smart grids and electric veh...

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Autores principales:	Mari Yamamoto, Yoshihiro Terauchi, Atsushi Sakuda, Masanari Takahashi
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/e96c0974a475493aaf9f1f3971f05e72
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spelling	oai:doaj.org-article:e96c0974a475493aaf9f1f3971f05e722021-12-02T15:08:04ZBinder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities10.1038/s41598-018-19398-82045-2322https://doaj.org/article/e96c0974a475493aaf9f1f3971f05e722018-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-19398-8https://doaj.org/toc/2045-2322Abstract All-solid-state batteries using inorganic solid electrolytes are considered promising energy storage systems because of their safety and long life. Stackable and compact sheet-type all-solid-state batteries are urgently needed for industrial applications such as smart grids and electric vehicles. A binder is usually indispensable to the construction of sheet-type batteries; however, it can decrease the power and cycle performance of the battery. Here we report the first fabrication of a binder-free sheet-type battery. The key to this development is the use of volatile poly(propylene carbonate)-based binders; used to fabricate electrodes, solid electrolyte sheets, and a stacked three-layered sheet, these binders can also be removed by heat treatment. Binder removal leads to enhanced rate capability, excellent cycle stability, and a 2.6-fold increase in the cell-based-energy-density over previously reported sheet-type batteries. This achievement is the first step towards realizing sheet-type batteries with high energy and power density.Mari YamamotoYoshihiro TerauchiAtsushi SakudaMasanari TakahashiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mari Yamamoto Yoshihiro Terauchi Atsushi Sakuda Masanari Takahashi Binder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities
description	Abstract All-solid-state batteries using inorganic solid electrolytes are considered promising energy storage systems because of their safety and long life. Stackable and compact sheet-type all-solid-state batteries are urgently needed for industrial applications such as smart grids and electric vehicles. A binder is usually indispensable to the construction of sheet-type batteries; however, it can decrease the power and cycle performance of the battery. Here we report the first fabrication of a binder-free sheet-type battery. The key to this development is the use of volatile poly(propylene carbonate)-based binders; used to fabricate electrodes, solid electrolyte sheets, and a stacked three-layered sheet, these binders can also be removed by heat treatment. Binder removal leads to enhanced rate capability, excellent cycle stability, and a 2.6-fold increase in the cell-based-energy-density over previously reported sheet-type batteries. This achievement is the first step towards realizing sheet-type batteries with high energy and power density.
format	article
author	Mari Yamamoto Yoshihiro Terauchi Atsushi Sakuda Masanari Takahashi
author_facet	Mari Yamamoto Yoshihiro Terauchi Atsushi Sakuda Masanari Takahashi
author_sort	Mari Yamamoto
title	Binder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities
title_short	Binder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities
title_full	Binder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities
title_fullStr	Binder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities
title_full_unstemmed	Binder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities
title_sort	binder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/e96c0974a475493aaf9f1f3971f05e72
work_keys_str_mv	AT mariyamamoto binderfreesheettypeallsolidstatebatterieswithenhancedratecapabilitiesandhighenergydensities AT yoshihiroterauchi binderfreesheettypeallsolidstatebatterieswithenhancedratecapabilitiesandhighenergydensities AT atsushisakuda binderfreesheettypeallsolidstatebatterieswithenhancedratecapabilitiesandhighenergydensities AT masanaritakahashi binderfreesheettypeallsolidstatebatterieswithenhancedratecapabilitiesandhighenergydensities
_version_	1718388288761364480

Binder-free sheet-type all-solid-state batteries with enhanced rate capabilities and high energy densities

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