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Title: High temperature steam separation membrane

Abstract

Ceramic proton-conducting oxide membranes are described herein, which are useful for separating steam from organic chemicals under process conditions. The membranes have a layered structure, with a dense film of the perovskite over a porous composite substrate comprising the perovskite material and a metallic material (e.g., Ni, Cu, or Pt). The perovskite comprises an ABO3-type structure, where “A” is Ba and “B” is a specified combination of Ce, Zr, and Y. The perovskite ceramic materials described herein have an empirical formula of Ba(CexZr1-x-nYn)O3-δ, wherein 0<x<0.8 (e.g., 0.1≤x≤0.7 or 0.2≤x≤0.5); and 0.05≤n≤0.2; and δ=n/2. In some embodiments n is about 0.2. In some other embodiments 0.6≤x≤0.8; and n is about 0.2, such as Ba(Ce0.7Zr0.1Y0.2)O3-δ, also referred to herein as BCZY712.

Inventors:
;
Issue Date:
Research Org.:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1998250
Patent Number(s):
11617992
Application Number:
17/168,646
Assignee:
UChicago Argonne, LLC (Chicago, IL)
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Patent
Resource Relation:
Patent File Date: 02/05/2021
Country of Publication:
United States
Language:
English

Citation Formats

Lee, Tae H., and Balachandran, Uthamalingam. High temperature steam separation membrane. United States: N. p., 2023. Web.
Lee, Tae H., & Balachandran, Uthamalingam. High temperature steam separation membrane. United States.
Lee, Tae H., and Balachandran, Uthamalingam. Tue . "High temperature steam separation membrane". United States. https://www.osti.gov/servlets/purl/1998250.
@article{osti_1998250,
title = {High temperature steam separation membrane},
author = {Lee, Tae H. and Balachandran, Uthamalingam},
abstractNote = {Ceramic proton-conducting oxide membranes are described herein, which are useful for separating steam from organic chemicals under process conditions. The membranes have a layered structure, with a dense film of the perovskite over a porous composite substrate comprising the perovskite material and a metallic material (e.g., Ni, Cu, or Pt). The perovskite comprises an ABO3-type structure, where “A” is Ba and “B” is a specified combination of Ce, Zr, and Y. The perovskite ceramic materials described herein have an empirical formula of Ba(CexZr1-x-nYn)O3-δ, wherein 0<x<0.8 (e.g., 0.1≤x≤0.7 or 0.2≤x≤0.5); and 0.05≤n≤0.2; and δ=n/2. In some embodiments n is about 0.2. In some other embodiments 0.6≤x≤0.8; and n is about 0.2, such as Ba(Ce0.7Zr0.1Y0.2)O3-δ, also referred to herein as BCZY712.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2023},
month = {4}
}

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