Recycling electronic scrap to make molten carbonate fuel cell cathodes |
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| Affiliation: | 1. Warsaw University of Technology, Faculty of Power and Aeronautical Engineering, Nowowiejska 21/25 street, 00-665 Warsaw, Poland;2. Warsaw University of Technology, Faculty of Materials Science and Engineering Woloska 141, 02-507 Warsaw, Poland;3. Warsaw University of Technology, Faculty of Chemical and Process Engineering Ludwika Warynskiego 1, 00-645 Warsaw, Poland;4. Ekopark Sp.j., 4 Okulickiego St. 05-500 Piaseczno, Poland;1. Institute of Heat Engineering, The Faculty of Power and Aeronautical Engineering, Warsaw University of Technology, 21/25 Nowowiejska Street, 00-665 Warsaw, Poland;2. Faculty of Material Science Engineering, Warsaw University of Technology, 141 Wołoska Street, Warsaw, Poland;3. Department of Materials Science and Engineering, National Cheng Kung University, Tainan, Taiwan |
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| Abstract: | The paper aims to examine the possibility of improving the manufacturing process for MCFC cathodes. using noble, semi-precious, and rare earth metals sourced from waste electric and electronic equipment (WEEE). As MCFC components are not particularly sensitive to ceramic and metal impurities. The addition of noble metals recovered from WEEE as catalysts are economically justifiable. The reported experimental research revealed the positive impact of MCFC cathode fabricated with 20% recycled electronic scrap. Especially the cell with powder marked as 4/1 enjoyed much better performance operating at 550 °C than the reference cell. During the operation at a temperature of 650 °C, the cell with powder marked as 4/1 has almost the same performance as the reference cell, i.e., 1.01 V OCV and power density of 0.13 A/cm2. The cell with cathode with 4/2 powder has the worst performance – current density of 0.09 A/cm2 and OCV of 0.97 V. |
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| Keywords: | Fuel cells Recycling Rare earth metals Cathode Experiments |
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