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H2 and CH4 oxidation on Gd0.2Ce0.8O1.9 infiltrated SrMoO3–yttria-stabilized zirconia anode for solid oxide fuel cells

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : H2 and CH4 oxidation on Gd0.2Ce0.8O1.9 infiltrated SrMoO3–yttria-stabilized zirconia anode for solid oxide fuel cells
นักวิจัย : Xiao, Peng , Ge, Xiaoming , Zhang, Lan , Lee, Jong-Min , Wang, Jing-Yuan , Wang, Xin
คำค้น : -
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Xiao, P., Ge, X., Zhang, L., Lee, J.-M., Wang, J.-Y., & Wang, X. (2012). H2 and CH4 oxidation on Gd0.2Ce0.8O1.9 infiltrated SrMoO3–yttria-stabilized zirconia anode for solid oxide fuel cells. International Journal of Hydrogen Energy, 37(23), 18349-18356. , 0360-3199 , http://hdl.handle.net/10220/11558 , http://dx.doi.org/10.1016/j.ijhydene.2012.08.131
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : International journal of hydrogen energy
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Strontium molybdate (SrMoO3) as an electronic conductor was incorporated with yttria-stabilized zirconia (YSZ) to form an anode scaffold for solid oxide fuel cells. Gd0.2Ce0.8O1.9 (GDC) nanoparticles were introduced by wet impregnation to complete the Ni-free GDC infiltrated SrMoO3–YSZ anode fabrication. The effects of SrMoO3 on the electrode conductivity and GDC infiltration on the catalytic activity were examined. A pronounced performance improvement was observed both on wet H2 and CH4 oxidation for the 56 wt.% GDC infiltrated SrMoO3–YSZ. In particular, the polarization resistance decreased from 8 Ω cm2 to 0.5 Ω cm2 under wet H2 (3% H2O) at 800 °C with the introduction of GDC. Under wet CH4 at 900 °C, a maximum power density of 160 mW cm−2 was obtained and no carbon deposition was observed on the anode. It was found that the addition of H2O in the anode caused an increase of electrode ohmic resistance and a decrease of open circuit voltage. Redox cycling stability was investigated and only a slight drop in cell performance was observed after 5 cycles. These results suggest that GDC infiltrated SrMoO3–YSZ is a promising anode material for solid oxide fuel cells.

บรรณานุกรม :
Xiao, Peng , Ge, Xiaoming , Zhang, Lan , Lee, Jong-Min , Wang, Jing-Yuan , Wang, Xin . (2555). H2 and CH4 oxidation on Gd0.2Ce0.8O1.9 infiltrated SrMoO3–yttria-stabilized zirconia anode for solid oxide fuel cells.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Xiao, Peng , Ge, Xiaoming , Zhang, Lan , Lee, Jong-Min , Wang, Jing-Yuan , Wang, Xin . 2555. "H2 and CH4 oxidation on Gd0.2Ce0.8O1.9 infiltrated SrMoO3–yttria-stabilized zirconia anode for solid oxide fuel cells".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Xiao, Peng , Ge, Xiaoming , Zhang, Lan , Lee, Jong-Min , Wang, Jing-Yuan , Wang, Xin . "H2 and CH4 oxidation on Gd0.2Ce0.8O1.9 infiltrated SrMoO3–yttria-stabilized zirconia anode for solid oxide fuel cells."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Xiao, Peng , Ge, Xiaoming , Zhang, Lan , Lee, Jong-Min , Wang, Jing-Yuan , Wang, Xin . H2 and CH4 oxidation on Gd0.2Ce0.8O1.9 infiltrated SrMoO3–yttria-stabilized zirconia anode for solid oxide fuel cells. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.