Evaluation of hydrogen separation performance of Ni-BaCe0.85Fe0.15O3-δ cermet membranes

被引：28
作者：
Zhuang, Libin [1 ]
Li, Jiaqi [1 ]
Xue, Jian [1 ,2 ]
Jiang, Zhouyang [1 ]
Wang, Haihui [1 ]
机构：
[1] South China Univ Technol, Sch Chem & Chem Engn, 381 Wushan Rd, Guangzhou 510640, Guangdong, Peoples R China
[2] South China Univ Technol, State Key Lab Pulp & Paper Engn, 381 Wushan Rd, Guangzhou 510640, Guangdong, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2019年 / 45卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Ceramic-metal membrane; Hydrogen separation; Protonic conductor; Dual phase; CHEMICAL-STABILITY; TRANSPORT-PROPERTIES; CERAMIC MEMBRANE; PERMEATION; PERMEABILITY; ZR; CONDUCTIVITY; CO;
D O I：
10.1016/j.ceramint.2019.02.059
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Adding metal phase as the electronic transport channels in mixed protonic and electronic conductors is an effective method to enhance the conductivity and hydrogen permeability. Ceramic-metal (cermet) Ni-BaCe0.85Fe0.15O3-delta (Ni-BCF8515) dual-phase membranes were successfully fabricated in this article, where BaCe0.85Fe0.15O3-delta (BCF8515) served as the protonic conductor and Ni acted as the electronic conductor. The hydrogen permeability of Ni-BCF8515 dual-phase membrane was improved apparently, reaching 0.325 mL min(-1) cm(-2) at 1000 degrees C, which is four times higher than that of the single phase BCF8515 membrane. Hydrogen permeability of Ni-BCF8515 dual-phase membrane under different hydration conditions was studied here. Moreover, Ni-BCF8515 dual-phase membrane showed stable hydrogen permeability under the reducing atmosphere for 50 h.
引用
收藏
页码：10120 / 10125
页数：6
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