固体高分子形燃料電池セパレータ用金属素材『ナノクラッド』の開発
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概要
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Daido Steel Co.,Ltd. has developed a new metallic material "NANOCLAD" for PEFC (Polymer Electrolyte Fuel Cell) separators. With an extremely thin layer of gold on the specially formulated stainless steel sheets, "NANOCLAD" has the highest level of corrosion resistance and electrical conductivity among metal separator materials currently available. The fuel cells using "NANOCLAD" have been tested for 3000 hours and exhibited the same or higher power generation performance than the cells with conventional carbon separators. PEFC with metallic separators are expected to be used for fuel cell vehicles, combined heat and power systems for homes and businesses, and power supplies for portable devices which would replace lithium ion batteries and they will play a key role in the widespread commercialization of fuel cells.