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Layered perovskite-like structure ceramic oxygen permeation membrane and preparation method thereof
The invention discloses a layered perovskite-like structure ceramic oxygen-permeable membrane and a preparation method thereof, a powder material is prepared by adopting an ethylene diamine tetraacetic acid (EDTA)-citric acid double-complexing method, and the ceramic oxygen-permeable membrane is prepared by adopting a method of combining an organic auxiliary extrusion molding method and a high-temperature firing method. The ceramic oxygen permeation membrane is composed of a layered perovskite-like structure (Pr < 0.5 > Sr < 0.4 > Ba < 0.1 >) < 3 > (Fe < 0.5 > Ni < 0.25 > Nb < 0.25-x > Tax) < 2 > O < 7 + delta > (x = 0.05-0.2) material modified by nanometer praseodymium oxide particles. The prepared ceramic oxygen permeation membrane has good long-term high-temperature stability and high oxygen permeation performance at the same time in a CO2-containing atmosphere, and the oxygen permeation membrane material can also be used as an air electrode material of a solid oxide fuel cell/electrolytic tank, so that the ceramic oxygen permeation membrane has a wide application prospect.
本发明公开了一种层状类钙钛矿结构陶瓷透氧膜及其制备方法，通过采用乙二胺四乙酸（EDTA）‑柠檬酸双络合法制备粉体材料，采用有机辅助的挤出成型法与高温烧成相结合的方法制备陶瓷透氧膜，所述陶瓷透氧膜由纳米氧化镨颗粒修饰的层状类钙钛矿结构(Pr0.5Sr0.4Ba0.1)3(Fe0.5Ni0.25Nb0.25‑xTax)2O7+δ(x=0.05～0.2)材料组成。本发明制备的陶瓷透氧膜在含CO2气氛下同时具有良好的长期高温稳定性和高的氧渗透性能，该透氧膜材料也可用作固体氧化物燃料电池/电解池的空气电极材料，因此具有广阔的应用前景。
Layered perovskite-like structure ceramic oxygen permeation membrane and preparation method thereof
The invention discloses a layered perovskite-like structure ceramic oxygen-permeable membrane and a preparation method thereof, a powder material is prepared by adopting an ethylene diamine tetraacetic acid (EDTA)-citric acid double-complexing method, and the ceramic oxygen-permeable membrane is prepared by adopting a method of combining an organic auxiliary extrusion molding method and a high-temperature firing method. The ceramic oxygen permeation membrane is composed of a layered perovskite-like structure (Pr < 0.5 > Sr < 0.4 > Ba < 0.1 >) < 3 > (Fe < 0.5 > Ni < 0.25 > Nb < 0.25-x > Tax) < 2 > O < 7 + delta > (x = 0.05-0.2) material modified by nanometer praseodymium oxide particles. The prepared ceramic oxygen permeation membrane has good long-term high-temperature stability and high oxygen permeation performance at the same time in a CO2-containing atmosphere, and the oxygen permeation membrane material can also be used as an air electrode material of a solid oxide fuel cell/electrolytic tank, so that the ceramic oxygen permeation membrane has a wide application prospect.
本发明公开了一种层状类钙钛矿结构陶瓷透氧膜及其制备方法，通过采用乙二胺四乙酸（EDTA）‑柠檬酸双络合法制备粉体材料，采用有机辅助的挤出成型法与高温烧成相结合的方法制备陶瓷透氧膜，所述陶瓷透氧膜由纳米氧化镨颗粒修饰的层状类钙钛矿结构(Pr0.5Sr0.4Ba0.1)3(Fe0.5Ni0.25Nb0.25‑xTax)2O7+δ(x=0.05～0.2)材料组成。本发明制备的陶瓷透氧膜在含CO2气氛下同时具有良好的长期高温稳定性和高的氧渗透性能，该透氧膜材料也可用作固体氧化物燃料电池/电解池的空气电极材料，因此具有广阔的应用前景。
Layered perovskite-like structure ceramic oxygen permeation membrane and preparation method thereof
一种层状类钙钛矿结构陶瓷透氧膜及其制备方法
ZHANG XIAOZHEN (Autor:in) / YUAN LIEPENG (Autor:in) / WANG XIBIN (Autor:in) / ZHOU XIAOJIAN (Autor:in) / LIU CHUJIA (Autor:in)
02.08.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
/
C25B
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS
,
Elektrolytische oder elektrophoretische Verfahren für die Herstellung von Verbindungen oder von nichtmetallischen Elementen
/
H01M
Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie
,
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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