Effect of Engineered Cracks in Catalyst Layers on PEMFC Catalyst Layer Durability
ChungHyuk Lee,
Siddharth Komini Babu,
Brian M. Patterson
et al.
Abstract:Proton exchange membrane fuel cells (PEMFCs) are expected to play a pivotal role in decarbonizing the transportation sector, and particularly heavy-duty vehicles (HDVs). However, improvements in durability are needed for PEMFCs to compete with state-of-the-art power sources for HDVs. Here, we examine how catalyst layer (CL) cracks affect the CL durability by using patterned silicon templates to control the CL crack density at the micrometer scale. Electrochemical analyses show that the initial PEMFC performanc… Show more
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