Single-phase All-solid-state Silver Battery using Ag1.5Cr0.5Ti1.5(PO4)3 as Anode, Cathode, and Electrolyte

Atsushi Inoishi; Akira Nishio; Ayuko Kitajou; Shigeto Okada

doi:10.1002/slct.201802387

Single-phase All-solid-state Silver Battery using Ag_1.5Cr_0.5Ti_1.5(PO₄)₃ as Anode, Cathode, and Electrolyte

Atsushi Inoishi, Akira Nishio, Ayuko Kitajou, Shigeto Okada

Department of Advanced Device Materials

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

An all-solid-state silver battery made from a single material is reported. NASICON-type Ag_1.5Cr_0.5Ti_1.5(PO₄)₃ functioned as the anode, cathode, and electrolyte. High rate capability at 298 K and low temperature operation (233 K) were possible due to its high electrical conductivity and low interfacial resistance with the concept of a single-phase battery. The redox reactions of Ag/Ag⁺ (anode) and Cr³⁺/Cr⁴⁺ (cathode) were confirmed from X-ray diffraction and X-ray photoelectron spectroscopy measurements. The operating voltage of the battery in this study was higher than that for a silver battery using an AgI solid electrolyte because of the high redox potential of the cathode and the wider potential window of Ag_1.5Cr_0.5Ti_1.5(PO₄)₃ than that of AgI. Therefore, Ag_1.5Cr_0.5Ti_1.5(PO₄)₃-based single-phase battery is a promising new concept to obtain a high voltage silver-ion battery, high-rate capability and low temperature operation.

Original language	English
Pages (from-to)	9965-9968
Number of pages	4
Journal	ChemistrySelect
Volume	3
Issue number	34
DOIs	https://doi.org/10.1002/slct.201802387
Publication status	Published - Sept 14 2018

All Science Journal Classification (ASJC) codes

Chemistry(all)

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10.1002/slct.201802387

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title = "Single-phase All-solid-state Silver Battery using Ag1.5Cr0.5Ti1.5(PO4)3 as Anode, Cathode, and Electrolyte",

abstract = "An all-solid-state silver battery made from a single material is reported. NASICON-type Ag1.5Cr0.5Ti1.5(PO4)3 functioned as the anode, cathode, and electrolyte. High rate capability at 298 K and low temperature operation (233 K) were possible due to its high electrical conductivity and low interfacial resistance with the concept of a single-phase battery. The redox reactions of Ag/Ag+ (anode) and Cr3+/Cr4+ (cathode) were confirmed from X-ray diffraction and X-ray photoelectron spectroscopy measurements. The operating voltage of the battery in this study was higher than that for a silver battery using an AgI solid electrolyte because of the high redox potential of the cathode and the wider potential window of Ag1.5Cr0.5Ti1.5(PO4)3 than that of AgI. Therefore, Ag1.5Cr0.5Ti1.5(PO4)3-based single-phase battery is a promising new concept to obtain a high voltage silver-ion battery, high-rate capability and low temperature operation.",

author = "Atsushi Inoishi and Akira Nishio and Ayuko Kitajou and Shigeto Okada",

note = "Funding Information: This study was financially supported by the Sumitomo Foundation and the Qdai-jump Research Program. Publisher Copyright: {\textcopyright} 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim",

year = "2018",

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doi = "10.1002/slct.201802387",

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AU - Inoishi, Atsushi

AU - Nishio, Akira

AU - Kitajou, Ayuko

AU - Okada, Shigeto

PY - 2018/9/14

Y1 - 2018/9/14

N2 - An all-solid-state silver battery made from a single material is reported. NASICON-type Ag1.5Cr0.5Ti1.5(PO4)3 functioned as the anode, cathode, and electrolyte. High rate capability at 298 K and low temperature operation (233 K) were possible due to its high electrical conductivity and low interfacial resistance with the concept of a single-phase battery. The redox reactions of Ag/Ag+ (anode) and Cr3+/Cr4+ (cathode) were confirmed from X-ray diffraction and X-ray photoelectron spectroscopy measurements. The operating voltage of the battery in this study was higher than that for a silver battery using an AgI solid electrolyte because of the high redox potential of the cathode and the wider potential window of Ag1.5Cr0.5Ti1.5(PO4)3 than that of AgI. Therefore, Ag1.5Cr0.5Ti1.5(PO4)3-based single-phase battery is a promising new concept to obtain a high voltage silver-ion battery, high-rate capability and low temperature operation.

AB - An all-solid-state silver battery made from a single material is reported. NASICON-type Ag1.5Cr0.5Ti1.5(PO4)3 functioned as the anode, cathode, and electrolyte. High rate capability at 298 K and low temperature operation (233 K) were possible due to its high electrical conductivity and low interfacial resistance with the concept of a single-phase battery. The redox reactions of Ag/Ag+ (anode) and Cr3+/Cr4+ (cathode) were confirmed from X-ray diffraction and X-ray photoelectron spectroscopy measurements. The operating voltage of the battery in this study was higher than that for a silver battery using an AgI solid electrolyte because of the high redox potential of the cathode and the wider potential window of Ag1.5Cr0.5Ti1.5(PO4)3 than that of AgI. Therefore, Ag1.5Cr0.5Ti1.5(PO4)3-based single-phase battery is a promising new concept to obtain a high voltage silver-ion battery, high-rate capability and low temperature operation.

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Single-phase All-solid-state Silver Battery using Ag_1.5Cr_0.5Ti_1.5(PO₄)₃ as Anode, Cathode, and Electrolyte

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