SOLID OXIDE ELECTROLYSIS CELL AND SOLID OXIDE ELECTROLYSIS CELL SYSTEM

WIPO Patent Application WO/2024/014454

A1

Provided is a solid oxide electrolysis cell (SOEC) comprising a fuel electrode, an oxygen electrode, and a solid electrolyte layer between the fuel electrode and the oxygen electrode, the SOEC further comprising an intermediate layer between the solid electrolyte layer and the fuel electrode. The intermediate layer comprises cerium oxide, and the fuel electrode comprises a metal or metal oxide, and a compound A. The proportion of the metal or metal oxide in relation to the entire fuel electrode as a volume ratio in terms of metal is in the range of 40-80 vol%, and the metal includes at least one metal selected from the group consisting of nickel (Ni), copper (Cu), silver (Ag), tungsten (W), platinum (Pt), iron (Fe), and tin (Sn). The compound A includes a mayenite-type compound and/or a perovskite-type compound containing an alkaline earth metal element.

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KURITA HARDIYANTO (JP)
KAGA HIROSHI (JP)
TODA YOSHITAKE (JP)
UESUGI HIDEO (JP)
TOMENO SATORU (JP)

PCT/JP2023/025575

January 18, 2024

July 11, 2023

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AGC INC (JP)

C25B1/042; C04B35/44; C04B35/465; C25B1/23; C25B11/04

WO2021151692A1

2021-08-05

JP2018172763A	2018-11-08
JP2017071831A	2017-04-13
JP2017071830A	2017-04-13
JP2016115592A	2016-06-23
CN114561656A	2022-05-31
JP2021025103A	2021-02-22

ITOH, Tadashige et al. (JP)

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