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

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)9965-9968
Number of pages4
Issue number34
Publication statusPublished - Sept 14 2018

All Science Journal Classification (ASJC) codes

  • Chemistry(all)


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