Insight into the oxygen reduction reaction on the LSM|GDC interface of solid oxide fuel cells through impedance spectroscopy analysis

2016 ◽  
Vol 6 (13) ◽  
pp. 4945-4952 ◽  
Author(s):  
Xiaomin Zhang ◽  
Weiming Wu ◽  
Zhe Zhao ◽  
Baofeng Tu ◽  
Dingrong Ou ◽  
...  

Impedance spectroscopy analysis demonstrates that the LSM|GDC interface exhibits poorer catalytic ability for oxygen reduction reaction than the LSM|YSZ interface due to its less active sites rather than the larger activation energy.

2016 ◽  
Vol 18 (12) ◽  
pp. 8502-8511 ◽  
Author(s):  
Wenyuan Li ◽  
Bo Guan ◽  
Xinxin Zhang ◽  
Jianhua Yan ◽  
Yue Zhou ◽  
...  

Ruddlesden–Popper (R–P) phase materials have been investigated widely as cathode candidates for IT-SOFCs.


2020 ◽  
Vol 8 (44) ◽  
pp. 23313-23322
Author(s):  
Seo Ju Kim ◽  
Ja Yang Koo ◽  
Taeeun Mun ◽  
Mingi Choi ◽  
Wonyoung Lee

Engineering the defect chemistry at the interface between the electrolyte and the electrode is crucial to facilitate oxygen reduction reaction, thereby improve the electrochemical performance of intermediate temperature solid oxide fuel cells.


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