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[×ÊÔ´] Chem Soc Rev6.30ÐÂÏÊÔÚÏß ORRºÍÖÊ×Ó½»»»Ä¤¸Ä½øµÄнøÕ¹

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¡ª¡ªÊÇACS Applied Materials & InterfacesµÄ¸±Ö÷±à£¬Å£ÈË¡£

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.Chem Soc Rev6.30ÐÂÏÊÔÚÏß ORRºÍÖÊ×Ó½»»»Ä¤¸Ä½øµÄнøÕ¹
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