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Research paper published in the proceedings at ICE 2021, the 3rd International Conference on Electrolysis June 20 – 23, 2022 Golden, Colorado USA.
M Bylund, R Andersson, A M Saleem, E Passalacqua, V Marknäs, V Desmaris • August 20, 2022
PEMWE is recÂogÂnized as a key techÂnolÂoÂgy for susÂtainÂable hydroÂgen proÂducÂtion. HowÂevÂer, the necesÂsiÂty of using platÂinum group metÂals (PGMs) as catÂaÂlysts sets up a barÂriÂer for estabÂlishÂing GW-scale sysÂtems. EspeÂcialÂly on the anode side for oxyÂgen evoÂluÂtion, the loadÂing of iridÂiÂum catÂaÂlyst must be reduced sigÂnifÂiÂcantÂly from curÂrentÂly 2 mgIr cm‑2 to 0.05 mgIr cm‑2 levÂel to enable large scale appliÂcaÂtion of PEMWE [1]. Even though subÂstanÂtial progress has been made, there remain tremenÂdous chalÂlenges to make PEMWE work at ultra-low loadÂings in practice.
VerÂtiÂcalÂly aligned carÂbon nanofibers (CNF) creÂate low-torÂtuÂosÂiÂty conÂductÂing 3D nanosÂtrucÂtures over porous transÂport layÂers (PTLs), actÂing as supÂports for ultra-low loadÂing of iridÂiÂum catÂaÂlyst with non-comÂproÂmised perÂforÂmance. ProÂton exchange memÂbrane water elecÂtrolÂyÂsis (PEMWE) is envisÂaged to be more effiÂcient using such advanced PTLs.
Read more on: https://learn.mines.edu/wp-content/uploads/2022/06/ICE2021_ProgramComplete01.with-links.6.17.22.pdf (page 24–25).
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