Phosphate-grafted polyethyleneimine-induced multifunctional cerium oxide as an antioxidant for simultaneously enhancing the proton conductivity and durability of proton exchange membranes
Shengqiu Zhao,
Yucong Liao,
Rui Wang
et al.
Abstract:Free radical attack on Proton exchange membranes (PEM) is detrimental to the long-term durability of proton exchange membrane fuel cells (PEMFCs), and although state-of-the-art cerium-based antioxidants defend against free radical attack, potentially impairing the proton conductivity of PEM limits their more comprehensive application. To break the "trade-off" between the durability and proton conductivity of PEM, a functionalized cerium oxide (CeO2@Ph-PEI) composite with a synergistic enhancement of durability… Show more
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