公开(公告)号：US20250130197A1

公开(公告)日：2025-04-24

申请号：US18684966

申请日：2022-08-15

Applicant: KOA CORPORATION ,  Tokyo University of Science Foundation

Inventor： Toshiharu TAKAYAMA ,  Takahiro MATSUI ,  Tomoyuki KURIBAYASHI ,  Yuko TAKEI ,  Shinichi KOMABA ,  Ryoichi TATARA ,  Kenta ISHIHARA

IPC: G01N27/333

Abstract: The present invention relates to an all-solid-state ion-selective electrode having an insertion material, and a method of manufacturing such an all-solid-state ion-selective electrode. The all-solid-state potassium ion-selective electrode (1) includes: a conductor (2); an insertion material (10) formed on a surface of the conductor (2); and a potassium ion-sensitive membrane (20) covering the insertion material (10). The insertion material (10) includes at least a Prussian blue analog represented by a structural formula KxFe[Fe(CN)6]y·nH2O, where x is a numerical number larger than 0 and less than or equal to 2, y is a numerical number larger than 0 and less than or equal to 1, and n is a numerical number larger than or equal to 0.