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Chem Soc Rev6.30新鲜在线 ORR和质子交换膜改进的新进展
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Sample TextA concise guide to sustainable PEMFCs: recent advances in improving both oxygen reduction catalysts and proton exchange membranes Megan E. Scofield,a Haiqing Liua and Stanislaus S. Wong*ab Stanislaus S. Wong——是ACS Applied Materials & Interfaces的副主编，牛人。 The rising interest in fuel cell vehicle technology (FCV) has engendered a growing need and realization to develop rational chemical strategies to create highly efficient, durable, and cost-effective fuel cells. Specifically, technical limitations associated with the major constituent components of the basic proton exchange membrane fuel cell (PEMFC), namely the cathode catalyst and the proton exchange membrane (PEM),have proven to be particularly demanding to overcome. Therefore, research trends within the community in recent years have focused on (i) accelerating the sluggish kinetics of the catalyst at the cathode and (ii) minimizing overall Pt content, while simultaneously (a) maximizing activity and durability as well as (b) increasing membrane proton conductivity without causing any concomitant loss in either stability or as a result of damage due to flooding. In this light, as an example, high temperature PEMFCs offer a promising avenue to improve the overall efficiency and marketability of fuel cell technology. In this Critical Review, recent advances in optimizing both cathode materials and PEMs as well as the future and peculiar challenges associated with each of these systems will be discussed.  1.jpg  3.jpg |
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