Improving contact resistance and high-temperature durability of fuel cells (SOFC)!
Cobalt-nickel alloy plating has good mechanical properties, durability, and heat resistance. [Composition ratio] Co 70wt%: Ni 30wt% each ±5wt% [Film thickness] ~3μm In examples where plating was applied to components of solid oxide fuel cells (SOFC), when used at high temperatures around 800°C, the resistance of typical metal components tends to increase. However, by applying cobalt-nickel alloy plating compared to untreated or nickel-plated components, a lower resistance value can be maintained.
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basic information
Cobalt-nickel alloy plating has good mechanical properties, durability, and heat resistance. It also demonstrates low contact resistance in high-temperature environments (800°C). [Composition Ratio] Co 70wt%: Ni 30wt% ±5wt% each [Film Thickness] ~3μm *For 100% cobalt plating, prototype support can be provided upon consultation with the technical center. *There is a track record of prototype production for electroless cobalt plating. *Consultation for electrolytic cobalt plating will be handled separately.
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Applications/Examples of results
【Application】Electrical and electronic, fuel cells, etc. 【Example of Achievements】In the case of plating components for solid oxide fuel cells (SOFC), when used at high temperatures around 800°C, the resistance of typical metal components tends to increase. However, by applying cobalt-nickel alloy plating compared to untreated or nickel-plated components, a lower resistance value can be maintained.
Detailed information
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This is the result of the contact resistance test for test pieces coated with cobalt-nickel alloy after 1000 hours of heat resistance. Even after 1000 hours, the contact resistance remains low, indicating an improvement in durability.
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Company information
Mitsuya is a company that specializes in metal surface treatment and plating, founded in 1931. We focus not only on general plating but also on plating for difficult materials, offering around 90 types of plating solutions. Currently, plating has become an essential part of advanced technologies such as IT, electronic devices, ubiquitous computing, next-generation energy, next-generation motorization, and environmental technology. In this context, Mitsuya Co., Ltd. responds to customer needs with a spirit of "let's give it a try" to meet stringent requirements, earning a reputation for being the go-to solution provider, especially among electronic and electrical equipment manufacturers and automotive and transportation equipment manufacturers. We will propose the most suitable plating technology based on your consultation needs. We also accommodate small-scale prototypes starting from just one piece, so please feel free to contact us for any inquiries, no matter how trivial.