Electrochemical hydrogen pump using a high-temperature-type proton conductor: improvement of pumping capacity

Matsumoto, Hiroshige; Hamajima, Seiji; Iwahara, Hiroyasu

doi:10.1016/s0167-2738(01)00907-9

Cited by 49 publications

(31 citation statements)

References 15 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Perovskite oxide BaCeO3 bulk crystal exhibits high proton conduction under hydrogen containing atmosphere above 700°C when trivalent cation is substituted into Ce 4+ site [1][2][3][4][5][6][7][8][9]. This proton conduction can use as a solid electrolyte for high-temperature electrochemical devices such as hydrogen sensor and hydrogen fuel cell in the renewable energy source industry.…”

Section: Introductionmentioning

confidence: 99%

Electron-Ion Mixed Conduction of Ru-Doped BaCe0.9Y0.1O3-δ Thin Film

Higuchi

Yamashita

Owaku

et al. 2015

Trans. Mat. Res. Soc. Japan

View full text Add to dashboard Cite

0.05 Y 0.10 O 3-δ : BCRY) thin film has been prepared on (0001) Al 2 O 3 substrate by RF magnetron sputtering. The BCRY thin film crystallized at 600°C exhibits a-and c-axes orientations. The electrical conductivity of BCRY thin film is higher than that of BaCe 0.90 Y 0.10 O 3-δ (BCY) thin film. The activation energy (E A ) of BCRY thin film is ~0.25 eV, which corresponds to half E A of BCY thin film, below 400°C. The conductivity depends on oxygen partial pressure. The Fermi level (E F ) of BCRY thin film shifts to the conduction band side, although the E F of BCY thin film locates at the valence band side. The above results indicate that the BCRY thin film occurs the electron-ion mixed conductions below 400°C.

show abstract

Section: Introductionmentioning

confidence: 99%

Electron-Ion Mixed Conduction of Ru-Doped BaCe0.9Y0.1O3-δ Thin Film

Higuchi

Yamashita

Owaku

et al. 2015

Trans. Mat. Res. Soc. Japan

View full text Add to dashboard Cite

show abstract

“…This proton conductor is expected as electrochemical applications such as hydrogen sensor and hydrogen fuel cell in the renewable energy source industry. Many experimental and theoretical investigations have been reported for ceramic and single crystal forms [3][4][5][6][7][8][9][10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Structural and Electrical Properties of BaCe0.90Y0.10O3-δ Thin Film on Al2O3 Substrate

Owaku

Iida

Fukawa

et al. 2012

Trans. Mat. Res. Soc. Japan

View full text Add to dashboard Cite

The Y-doped BaCeO 3 (BaCe 0.90 Y 0.10 O 3-δ ) thin films have prepared on Al 2 O 3 (0001) substrates by RF magnetron sputtering. The thin films prepared at the substrate temperature of 300~500°C exhibits (002), (022) and (400) orientations. The thin film consists of grain with a diameter of 60~150 nm and smooth surface, although the grain size depends on substrate temperature. The prepared thin films were transparent. The electrical conductivity of the thin film exhibits thermal activation type behavior in H 2 O atmosphere of temperature region from 700 to 300°C. The activation energy (E A ) of the thin film estimated from the Arrhenius plot is 0.30~0.42 eV. The E A values of the thin films are lower than that of the bulk ceramics.

show abstract

“…Considering development concept ‹, the new system targets the recovery of tritium in the form of isotopically enriched hydrogen gas. 15) In order to pump out the hydrogen gas selectively, proton-conducting ceramics 7,[16][17][18][19][20] have been investigated. A proton-conducting ceramic is not suitable for generating perfectly dry hydrogen gas as in the case of a Pd-alloy diffusion membrane.…”

Section: Evaluating Application Of New Technology 1 Applicationmentioning

confidence: 99%

Application of Proton-conducting Ceramics and Polymer Permeable Membranes for Gaseous Tritium Recovery

Asakura

Sugiyama

Kawano

et al. 2004

J. Nucl. Sci. Technol.

View full text Add to dashboard Cite

In order to carry out deuterium plasma experiments on the Large Helical Device (LHD), the National Institute for Fusion Science (NIFS) is planning to install a system for the recovery of tritium from exhaust gas and effluent liquid. As well as adopting proven conventional tritium recovery systems, NIFS is planning to apply the latest technologies such as proton-conducting ceramics and membrane-type dehumidifiers in an overall strategy to ensure minimal risk in the tritium recovery process. Application of these new technologies to the tritium recovery system for the LHD deuterium plasma experiment is evaluated quantitatively using recent experimental data.

show abstract

Electrochemical hydrogen pump using a high-temperature-type proton conductor: improvement of pumping capacity

Cited by 49 publications

References 15 publications

Electron-Ion Mixed Conduction of Ru-Doped BaCe<sub>0.9</sub>Y<sub>0.1</sub>O<sub>3-δ</sub> Thin Film

Electron-Ion Mixed Conduction of Ru-Doped BaCe<sub>0.9</sub>Y<sub>0.1</sub>O<sub>3-δ</sub> Thin Film

Structural and Electrical Properties of BaCe<sub>0.90</sub>Y<sub>0.10</sub>O<sub>3-δ</sub> Thin Film on Al<sub>2</sub>O<sub>3</sub> Substrate

Application of Proton-conducting Ceramics and Polymer Permeable Membranes for Gaseous Tritium Recovery

Contact Info

Product

Resources

About