Electroplating Ni-doped Mn-Co films on AISI 430 stainless steel as interconnects in solid oxide fuel cells (SOFC)

Autor: Somrerk Chandra-ambhorn, Kattareeya Taweesup, Piyapon Limprapard, Worapan Kanyarat, Patama Visuttipitukul, Thamrongsin Siripongsakul
Rok vydání: 2017
Předmět:
Zdroj: Materials Testing. 59:951-956
ISSN: 2195-8572
0025-5300
DOI: 10.3139/120.111093
Popis: The addition of Ni to Mn-Co films was prepared by electroplating process. Film behavior under corrosive environment was investigated by oxidation techniques. The samples were kept under stagnant air at 800 °C in heat treatment furnace at operating temperature of SOFC for 100 hours. The surface morphology and films compositions were then examined. Mn-Co films with nickel amount of 18.8 wt.-% exhibited the best oxidation resistance. Ni-doped Mn-Co films show high antioxidation behavior because of high film density and crack-free film. The film is composed of many small particles with close packing, and the average particle size is about 1 μm. Film thickness is around 11 μm with surface roughness of 82.97 nm and it has good coherence with substrates. Optimization of nickel amount also plays an important role in antioxidation performance.
Databáze: OpenAIRE