Applications of electrospun nanofibers in solid oxide fuel cells - A review

Electrospinning is the most common and promising method to prepare nanofibers. The nanofibers pro-duced have the advantages of a small average diameter, high specific surface area, and high porosity. In recent years, fibers have been used as cathodes and anodes in solid oxide fuel cells (SOFCs). Owing to the unique microstructure and electron and ion conduction properties of nanofiber electrodes, the electro-catalytic activity is significantly increased, and as a consequence, the electrochemical performance of the fuel cell is substantially improved. This paper mainly reviews the research progress of electrospinning technology in the SOFCs field. In addition, the effects of various processing parameters on the fiber structure are summarized from the perspective of processing variables. The electrodes prepared by the electro-spinning method in recent years are primarily introduced.(c) 2022 Elsevier B.V. All rights reserved.