Mixed ionic-electronic conductor membrane based fuel cells by incorporating semiconductor Ni0.8Co0.15Al0.05LiO2?? into the Ce0.8Sm0.2O2??-Na2CO3 electrolyte
By Wei Zhang and Yixiao Cai and Baoyuan Wang and Chen Xia and Wenjing Dong and Junjiao Li and Bin Zhu
Published in International Journal of Hydrogen Energy
NULL
2016
Abstract
In the present study, a novel composite was fabricated by incorporating the semiconductor Ni0.8Co0.15Al0.05LiO2?? (NCAL) into the ionic electrolyte Ce0.8Sm0.2O2??-Na2CO3 (NSDC), and further developed as a mixed-conducting membrane for single layer fuel cell (SLFC) applications. Experimentally, the crystal structure, morphology, chemical composition and thermo-stability of the composite were characterized by XRD, \SEM\ and TGA. The best cell performance was investigated when the NSDC-NCAL membrane was optimized at a weight ratio of 6:4. On this basis, a number of interesting findings were obtained: i) the mixed conducting membrane did not cause any short circuit; on the contrary, the cell reached a decent open circuit voltage (OCV) of ?1.0
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