Carbon nanotube sheet as a microporous layer for proton exchange membrane fuel cells
作者： Taehyun Park , Youngjin Jeong , Hyeonjun Song , Hyeok Kim , Dasol Kim
DOI: 10.1016/J.ENERGY.2021.120459
关键词:
摘要: Abstract A multi-walled carbon nanotube (CNT) sheet was employed and investigated as a microporous layer (MPL) of proton exchange membrane fuel cell (PEMFC). The CNT synthesized via floating catalyst chemical vapor deposition method. MPLs with the thickness 15, 30, 100 μm were prepared compared commercial carbon-black MPL. As result, it found that PEMFC 15-μm-thick MPL showed high electrochemical performance, outtopped conventional PEMFC. increased peak power density by 50.9% in air-supplied cathode 20.9% pure oxygen-supplied to Through impedance analyses, effectively decreased charge transfer resistance, which is attributed improved reaction kinetics mass transport through
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