Performance and Stability of High Temperature Solid Oxide Electrolysis Cells (SOECs) for Hydrogen Production
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Yoon, K. J.
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Korea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South Korea
Yoon, K. J.
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Son, J. -W.
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Korea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South Korea
Son, J. -W.
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Lee, J. -H.
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Korea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South Korea
Lee, J. -H.
[1
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Kim, B. -K.
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Korea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South Korea
Kim, B. -K.
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Je, H. -J.
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Korea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South Korea
Je, H. -J.
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Lee, H. -W.
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Korea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South KoreaKorea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South Korea
Lee, H. -W.
[1
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[1] Korea Inst Sci & Technol, High Temp Energy Mat Res Ctr, Seoul 136791, South Korea
Solid oxide fuel cells (SOFCs) and solid oxide electrolysis cells (SOECs), which are composed of Ni-yttria-stabilized zirconia (YSZ) fuel electrode, YSZ electrolyte, gadolinia-doped ceria (GDC) interdiffusion barrier layer, and (La0.8Sr0.2)(0.95)Co0.2Fe0.8O3 (LSCF) air electrode, were fabricated and electrochemically tested. The performance of SOEC was dominated by the concentration polarization of the fuel electrode and activation polarization of the air electrode. The concentration polarization of the fuel electrode was reduced by optimization of the pore structure, and the eletrocatalytic activity of the air electrode was enhanced by infiltration of nanocatalysts into the porous electrodes. The cells showed excellent long-term stability up to 300 hour operation.
机构:
Chulalongkorn Univ, Fac Engn, Dept Chem Engn, Computat Proc Engn Res Unit, Bangkok 10330, ThailandChulalongkorn Univ, Fac Engn, Dept Chem Engn, Computat Proc Engn Res Unit, Bangkok 10330, Thailand
Visitdumrongkul, Nuttawut
Saebea, Dang
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Burapha Univ, Fac Engn, Dept Chem Engn, Chon Buri 20131, ThailandChulalongkorn Univ, Fac Engn, Dept Chem Engn, Computat Proc Engn Res Unit, Bangkok 10330, Thailand
Saebea, Dang
Patcharavorachot, Yaneeporn
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King Mongkuts Inst Technol, Fac Engn, Sch Chem Engn, Bangkok 10520, ThailandChulalongkorn Univ, Fac Engn, Dept Chem Engn, Computat Proc Engn Res Unit, Bangkok 10330, Thailand