Oxygen permeation of a dense/porous asymmetric membrane using La 0.6 Ca 0.4 CoO 3-δ-BaFe 0.975 Zr 0.025 O 3-δ system

Ken Watanabe, Masayoshi Yuasa, Tetsuya Kida, Kengo Shimanoe, Yasutake Teraoka, Noboru Yamazoe

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


To achieve a high oxygen permeation rate at medium and high temperature, an asymmetrically structured membrane, in which a thin dense layer (30μm) made of La 0.6Ca 0.4CoO 3-δ (LCC) and BaFe 0.975Zr 0.025O 3-δ (BFZ) was formed on a porous LCC support, was fabricated and tested for its oxygen permeability. The oxygen permeation flux significantly increased by mixing BFZ with LCC and reached a fairly high value of 1.60 cm 3 min -1 cm -2 even at 780°C.

Original languageEnglish
Pages (from-to)94-95
Number of pages2
JournalChemistry Letters
Issue number1
Publication statusPublished - 2009

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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