Electrochemical half-cell, electrochemical sensor, manufacturing method of solid electrolyte and electrochemical half-cell, and use of solid electrolyte in electrochemical half-cell

Patent metadata

Field	Value
Publication number	US-12352718-B2
Application number	US-202117530243-A
Country	US
Kind code	B2
Filing date	Nov 18, 2021
Priority date	Nov 27, 2020
Publication date	Jul 8, 2025
Grant date	Jul 8, 2025

Abstract

An electrochemical half-cell includes an electrical terminal lead in contact with a solid electrolyte, wherein the solid electrolyte includes a doped high-entropy oxide. The electrochemical half-cell can be used as either a reference half-cell or a measuring half-cell. Methods of manufacturing the solid electrolyte and the electrochemical half-cell are further disclosed.

First claim

The invention claimed is:

1. A method of manufacturing a solid electrolyte including a doped high-entropy oxide, the method comprising:
mixing a first component,
wherein the first component comprises at least one of oxides, carbonates and nitrates of each of the following substances: Mg, Co, Ni, Cu, and Zn;
mixing the first component with at least one second component to form a first mixture,
wherein the at least one second component comprises at least one of the oxides, carbonates and nitrates of ruthenium and platinum, and at least one of oxides, carbonates and nitrates of at least one of the following substances: Ga, Li, and Na;
heating the first mixture to a temperature between 100° C. and 1300° C.; and
aerating the heated first mixture such that the first mixture is quenched.

2. The method of manufacturing of claim 1 ,
wherein, after the step of aerating, the first mixture further is:
thermally compressed or melted or partially melted such that a water-impermeable substrate is formed; or
cast into a polymer mass and autoclaved or tempered such that a homogeneous substrate is formed; or
embedded in sol-gel.

Assignees

• Endress Hauser Conducta Gmbh Co Kg

Inventors

• Löbbert Andreas

Classifications

• C01G53/04

  Oxides · CPC title

• G01N27/31 Primary

  Half-cells with permeable membranes, e.g. semi-porous or perm-selective membranes · CPC title

• G01N27/333 Primary

  Ion-selective electrodes or membranes (glass electrodes G01N27/36) · CPC title

• C01P2002/54

  one element only · CPC title

• C01G53/70

  containing rare earths, e.g. LaNiO3  (C01G53/68 takes precedence) · CPC title