This article studies the durability of the membrane electrode assembly of PEM electrolyzers, focusing on the catalyst attenuation under low catalyst loading and dynamic operating conditions. ( 1 ) To shorten the test time and investigate durability, low catalyst loading and high voltage are crucial for accelerated durability ( AST https://catalystdegradation04825.wikievia.com/10697147/effects_of_different_fluctuating_load_conditions_on_the_durability_of_pem_electrolyzers