Water-Stable High Lithium-Ion Conducting Solid Electrolyte of Li1.4Al0.4Ge0.2Ti1.4(PO4)3–LiCl for Aqueous Lithium-Air Batteries

Water-Stable High Lithium-Ion Conducting Solid Electrolyte of Li1.4Al0.4Ge0.2Ti1.4(PO4)3–LiCl for Aqueous Lithium-Air Batteries

Aqueous lithium-air batteries are one of the most promising batteries for electric vehicles because of its high energy and power density. The battery system consists of a lithium anode and an aqueous solution catholyte, which are separated by a water-stable lithium-ion-conducting solid electrolyte,...

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Main Authors: Fan Bai, Kouichi Kakimoto, Xuefu Shang, Daisuke Mori, Sou Taminato, Mitsuhiro Matsumoto, Yasuo Takeda, Osamu Yamamoto, Hiroaki Izumi, Hironari Minami, Nobuyuki Imanishi
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-08-01
Series:Frontiers in Energy Research
Subjects:
solid electrolyte
lithium-ion conductor
NASICON type
aqueous lithium air
energy storage
Online Access:https://www.frontiersin.org/article/10.3389/fenrg.2020.00187/full
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spelling doaj-bc3504ab13bd442dbf3f5924b8c838172020-11-25T03:03:31ZengFrontiers Media S.A.Frontiers in Energy Research2296-598X2020-08-01810.3389/fenrg.2020.00187552778Water-Stable High Lithium-Ion Conducting Solid Electrolyte of Li1.4Al0.4Ge0.2Ti1.4(PO4)3–LiCl for Aqueous Lithium-Air BatteriesFan Bai0Fan Bai1Kouichi Kakimoto2Xuefu Shang3Daisuke Mori4Sou Taminato5Mitsuhiro Matsumoto6Yasuo Takeda7Osamu Yamamoto8Hiroaki Izumi9Hironari Minami10Nobuyuki Imanishi11The State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chines Academy of Science, Shanghai, ChinaGraduate School of Engineering, Mie University, Tsu, JapanGraduate School of Engineering, Mie University, Tsu, JapanDepartment of Physics, Faculty of Engineering, Jiangsu University, Zhenjiang, ChinaGraduate School of Engineering, Mie University, Tsu, JapanGraduate School of Engineering, Mie University, Tsu, JapanGraduate School of Engineering, Mie University, Tsu, JapanGraduate School of Engineering, Mie University, Tsu, JapanGraduate School of Engineering, Mie University, Tsu, JapanAutomobile Electrical Design Department, Suzuki Motor Corporation, Hamamatsu, JapanAutomobile Electrical Design Department, Suzuki Motor Corporation, Hamamatsu, JapanGraduate School of Engineering, Mie University, Tsu, JapanAqueous lithium-air batteries are one of the most promising batteries for electric vehicles because of its high energy and power density. The battery system consists of a lithium anode and an aqueous solution catholyte, which are separated by a water-stable lithium-ion-conducting solid electrolyte, and an air electrode. The theoretical energy density of this system is 1,910 W h kg–1, which is around five times higher than that of conventional lithium-ion batteries. A key component of this system is the water-stable lithium-ion-conducting solid electrolyte. In this work, we have developed a water-stable and water-impermeable solid electrolyte with a high lithium-ion conductivity of around 10–3 S cm–1 at room temperature by the addition of epoxy resin and LiCl into a tape-cast NASICON-type Li1.4Al0.4Ge0.2Ti1.4(PO4)3 film. The aqueous lithium-air battery with the solid electrolyte separator was successfully cycled at 0.5 mA cm–2 and 25°C in an air atmosphere.https://www.frontiersin.org/article/10.3389/fenrg.2020.00187/fullsolid electrolytelithium-ion conductorNASICON typeaqueous lithium airenergy storage
collection DOAJ
language English
format Article
sources DOAJ
author Fan Bai
Fan Bai
Kouichi Kakimoto
Xuefu Shang
Daisuke Mori
Sou Taminato
Mitsuhiro Matsumoto
Yasuo Takeda
Osamu Yamamoto
Hiroaki Izumi
Hironari Minami
Nobuyuki Imanishi
spellingShingle Fan Bai
Fan Bai
Kouichi Kakimoto
Xuefu Shang
Daisuke Mori
Sou Taminato
Mitsuhiro Matsumoto
Yasuo Takeda
Osamu Yamamoto
Hiroaki Izumi
Hironari Minami
Nobuyuki Imanishi
Water-Stable High Lithium-Ion Conducting Solid Electrolyte of Li1.4Al0.4Ge0.2Ti1.4(PO4)3–LiCl for Aqueous Lithium-Air Batteries
Frontiers in Energy Research
solid electrolyte
lithium-ion conductor
NASICON type
aqueous lithium air
energy storage
author_facet Fan Bai
Fan Bai
Kouichi Kakimoto
Xuefu Shang
Daisuke Mori
Sou Taminato
Mitsuhiro Matsumoto
Yasuo Takeda
Osamu Yamamoto
Hiroaki Izumi
Hironari Minami
Nobuyuki Imanishi
author_sort Fan Bai
title Water-Stable High Lithium-Ion Conducting Solid Electrolyte of Li1.4Al0.4Ge0.2Ti1.4(PO4)3–LiCl for Aqueous Lithium-Air Batteries
title_short Water-Stable High Lithium-Ion Conducting Solid Electrolyte of Li1.4Al0.4Ge0.2Ti1.4(PO4)3–LiCl for Aqueous Lithium-Air Batteries
title_full Water-Stable High Lithium-Ion Conducting Solid Electrolyte of Li1.4Al0.4Ge0.2Ti1.4(PO4)3–LiCl for Aqueous Lithium-Air Batteries
title_fullStr Water-Stable High Lithium-Ion Conducting Solid Electrolyte of Li1.4Al0.4Ge0.2Ti1.4(PO4)3–LiCl for Aqueous Lithium-Air Batteries
title_full_unstemmed Water-Stable High Lithium-Ion Conducting Solid Electrolyte of Li1.4Al0.4Ge0.2Ti1.4(PO4)3–LiCl for Aqueous Lithium-Air Batteries
title_sort water-stable high lithium-ion conducting solid electrolyte of li1.4al0.4ge0.2ti1.4(po4)3–licl for aqueous lithium-air batteries
publisher Frontiers Media S.A.
series Frontiers in Energy Research
issn 2296-598X
publishDate 2020-08-01
description Aqueous lithium-air batteries are one of the most promising batteries for electric vehicles because of its high energy and power density. The battery system consists of a lithium anode and an aqueous solution catholyte, which are separated by a water-stable lithium-ion-conducting solid electrolyte, and an air electrode. The theoretical energy density of this system is 1,910 W h kg–1, which is around five times higher than that of conventional lithium-ion batteries. A key component of this system is the water-stable lithium-ion-conducting solid electrolyte. In this work, we have developed a water-stable and water-impermeable solid electrolyte with a high lithium-ion conductivity of around 10–3 S cm–1 at room temperature by the addition of epoxy resin and LiCl into a tape-cast NASICON-type Li1.4Al0.4Ge0.2Ti1.4(PO4)3 film. The aqueous lithium-air battery with the solid electrolyte separator was successfully cycled at 0.5 mA cm–2 and 25°C in an air atmosphere.
topic solid electrolyte
lithium-ion conductor
NASICON type
aqueous lithium air
energy storage
url https://www.frontiersin.org/article/10.3389/fenrg.2020.00187/full
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