Citation: Guang Tao LI, Guo Xing XIONG, Shi Shan SHENG, Wei Shen YANG. Hydrogen Permeation Properties of Perovskite-type BaCe_0.9Mn_0.1O_3-δ Dense Ceramic Membrane[J]. Chinese Chemical Letters, ;2001, 12(10): 937-940. shu

Hydrogen Permeation Properties of Perovskite-type BaCe_0.9Mn_0.1O_3-δ Dense Ceramic Membrane

State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023

Received Date: 14 March 2001

Fund Project: The authors are grateful to Dr. Shane Roark (Eltron Research, Inc.) and Mr. Jinwang Yan for beneficial discussion and suggestions. We would also like to acknowledge financial support from the Ministry of Science and Technology, China (Grant No. G1999022401).

The electrical conduction properties of dense BaCe_0.9Mn_0.1O_3-δ (BCM10) membrane were investigated in the temperature range of 600-900℃. High ionic and electronic conductivities at elevated temperatures make BCM10 a potential ceramic material for hydrogen separation. Hydrogen permeation through BCM10 membranes was studied using a hightemperature permeation cell. Little hydrogen could be detected at the sweep side. However,appreciable hydrogen can permeate through BCM10 membrane coated with porous platinum black,which shows that the process of hydrogen permeation through BCM10 membranes was controlled by the catalytic decomposition and recomposition of hydrogen on the surfaces of BCM10 membranes.
- Hydrogen permeation,
- dense ceramic membranes,
- barium cerate,
- proton and electron conductivity
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