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CPOTE2020 logo
6th International Conference on
Contemporary Problems of Thermal Engineering
Online | 21-24 September 2020

Abstract CPOTE2020-1121-A

Book of abstracts draft
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Molten carbonate fuel cell cathode with additives based on rare earth metals obtained from recycling of electronic scrap

Jarosław MILEWSKI, Warsaw University of Technology, Poland
Arkadiusz SZCZĘŚNIAK, Warsaw University of Technology, Poland
Łukasz SZABŁOWSKI, Warsaw University of Technology, Poland
Olaf DYBIŃSKI, Warsaw University of Technology, Poland

The paper presents the improvement of the recycling process of precious metals, rare earth metals and nickel by using of magnetic-electrostatic separation, which aims to improve the performance of the industrial waste processing chain, primarily by obtaining more valuable products dedicated to molten carbonate fuel cells. The using of electronic scrap based additives can reduce the manufacture cost of molten carbonate fuel cells. Two various fractions of the separated electronic scrap were investigated as the additives to the cathode layers of Molten Carbonate Fuel Cell (MCFC). The experimental results were obtain in the single cell investigation of the size of 25 cm2 fed by hydrogen and a mixture of air and carbon dioxide. The performances were tested in two various fuel flows (indicated as reference and maximum flows) as well as various temperatures. The differences between the additives mainly based on the way of electrostatic separation (by positive or negative electrostatic field used). Prior to the application to the fuel cell layers, the additives were milled one more time to meet the fuel cell layers manufacturing requirements.

Keywords: Fuel cells, Recycling, Hydrogen, Experimental analysis, High temperature
Acknowledgment: National Centre of Research and Development, contract number POIR.01.02.00-00-0086/17