Preparation and performance optimization of intermediate temperature cathode-supported SOFC

6th Annual International Conference on Material Science and Engineering

Peng, Lian^1 ; Yan, Xingqing^1 ; You, Hongxin^1

School of Chemical Machinery and Safety, Dalian University of Technology, Dalian

116024, China^1

关键词: Cathode-supported SOFCs;    Electrical output;    Electrical performance;    Intermediate temperature solid oxide fuel cell;    Intermediate temperatures;    Maximum power density;    Performance optimizations;    Slurry spin coating;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/397/1/012026/pdf
DOI  :  10.1088/1757-899X/397/1/012026

来源: IOP

【 摘 要 】

A cathode-supported intermediate temperature solid oxide fuel cell (IT-SOFC) was prepared by the combination of slurry spin-coating and co-sintering. LSC-GDC (La0.6Sr0.4CoO3-(Ce0.90Gd0.10) O1.95) was used as the cathode, and LSGM (La0.9Sr0.1Ga0.8Mg0.2O3-δ) prepared by Glycine-nitrate (GNP) method was adopted as the electrolyte. Compared with the conventional SOFC, the electrical performance of the cathode-supported IT-SOFC is increases by 17%. The electrical output performances and the microstructures of the different cathode-supported single cells which were made by adding various pore formers of 15%wt into the cathode were compared. Results indicates that carbon black was the best pore former for the intermediate temperature cathode-supported SOFC. The maximum power density obtained at 800°C is 539mW/cm2.