Abstract: Fuel cell-powered ships utilize solid oxide fuel cells (SOFC) for propulsion, where electrode materials and interconnects play crucial roles. The cathode material LaSrMnO3 exhibits low conductivity in the low and medium temperature environment, Ni-based metal ceramic anodes suffer from carbon deposition issues, and the ferritic stainless steel interconnects are inclined to being poisoned by Cr and are poor in high temperature superconductivity and oxidation resistance. Mixed-ion conductor cathode materials, double perovskite oxide anode materials and interconnector coatings show promising prospects in improving the performances of SOFC. In this study, the development status of electrode materials and interconnect coatings is reviewed, and the future directions for improving electrode materials and coating performance are prospected.