Double recovery and regeneration of Pt/C catalysts: Both platinum from the spent proton exchange membrane fuel cell stacks and carbon from the pomelo peel
Electrochimica Acta(2022)
摘要
•A scheme of a double recovery and regeneration Pt/C catalyst was proposed for recycling spent proton exchange membrane fuel cell stack and wasted pomelo peel.•In the process of recycling spent proton exchange membrane fuel cells, Pt was recovered and the recovery efficiency of Pt reached 96.4 ± 0.2%.•The recovered pomelo peel as a catalyst support was made into graphitized hollow nanospheres (PP-2–1000).•The prepared Pt/PP-2–1000 showed good oxygen reduction reaction performance and stability.
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关键词
Graphitized hollow nanospheres,The spent proton exchange membrane fuel cell stack,Pomelo peel,Oxygen-reduction reaction,Double recovery
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