Electrochemical CO2 Separation through an Alkali-Carbonate-Based Membrane

被引：12
|
作者：
Naefe, H. [1 ]
机构：
[1] Univ Stuttgart, Inst Mat Wissensch, D-70569 Stuttgart, Germany
来源：
ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY | 2014年 / 3卷 / 03期
关键词：
NA-BETA-ALUMINA; ELECTRON CONDUCTION PARAMETER; SOLID-ELECTROLYTE; HIGH-TEMPERATURE; POTENTIOMETRIC MEASUREMENTS; GALVANIC CELL; CERIA; SENSOR; PERMEATION; OXYGEN;
D O I：
10.1149/2.003403jss
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
CO2 permeation through an alkali carbonate-based membrane is interpreted as a combined absorption-desorption process driven by alkali ion diffusion in which the membrane material is actively involved by dissociation and re-formation. The relationships governing the gas permeation fluxes are derived for the most general case, on which basis the conditions for maximizing the CO2-to-O-2 separation factor are discussed in terms of the electronic conduction properties of the membrane material. (C) 2013 The Electrochemical Society.
引用
收藏
页码：N23 / N29
页数：7
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