Electrochemical hydrogen pumps using Ba doped LaYbO3 type proton conducting electrolyte

Takaaki Sakai, Kaori Isa, Maki Matsuka, Takeshi Kozai, Yuji Okuyama, Tatsumi Ishihara, Hiroshige Matsumoto

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The electrochemical hydrogen pumping using Ba doped LaYbO3 oxide (La0.9Ba0.1YbO3-α, LBYb-91) was investigated in this work. It was found that LBYb-91 can conduct a large amount of protons as much as 100 mA cm-2 and the theoretical hydrogen evolution is actually occurred by the proton conduction. It was also found that LBYb-91 has high chemical stability against CO2 and H2O, and showed a comparable cell performance to SrZr0.9Y 0.1O3-α (SZY-91) with porous palladium electrode. The present study demonstrated that LBYb-91 is a potential candidate electrolyte material for the electrochemical cell to separate hydrogen from the reformed natural gas.

Original languageEnglish
Pages (from-to)6842-6847
Number of pages6
JournalInternational Journal of Hydrogen Energy
Volume38
Issue number16
DOIs
Publication statusPublished - May 30 2013

Fingerprint

Protons
Electrolytes
Pumps
electrolytes
pumps
conduction
Hydrogen
protons
hydrogen
Electrochemical cells
electrochemical cells
Chemical stability
natural gas
Palladium
palladium
Natural gas
pumping
Electrodes
Oxides
electrodes

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Electrochemical hydrogen pumps using Ba doped LaYbO3 type proton conducting electrolyte. / Sakai, Takaaki; Isa, Kaori; Matsuka, Maki; Kozai, Takeshi; Okuyama, Yuji; Ishihara, Tatsumi; Matsumoto, Hiroshige.

In: International Journal of Hydrogen Energy, Vol. 38, No. 16, 30.05.2013, p. 6842-6847.

Research output: Contribution to journalArticle

Sakai, Takaaki ; Isa, Kaori ; Matsuka, Maki ; Kozai, Takeshi ; Okuyama, Yuji ; Ishihara, Tatsumi ; Matsumoto, Hiroshige. / Electrochemical hydrogen pumps using Ba doped LaYbO3 type proton conducting electrolyte. In: International Journal of Hydrogen Energy. 2013 ; Vol. 38, No. 16. pp. 6842-6847.
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AU - Ishihara, Tatsumi

AU - Matsumoto, Hiroshige

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