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Durability of catalysts for the oxygen reduction reaction (ORR) should be guaranteed for long‐term operation of fuel cells. In article number 1802228, Hu Young Jeong, Hyeon Suk Shin, Hyun‐Kon Song, and co‐workers design a catalyst/support system to confine platinum nanoparticles within holes of graphene for suppressing platinum agglomeration. Spherical multifaceted platinum particles are evolved to...
An oxygen reduction reaction (ORR) catalyst/support system is designed to have Pt nanoparticles nanoconfined in a nanodimensionally limited space. Holey crumpled reduced graphene oxide plates (hCR‐rGO) are used as a carbon support for Pt loading. As expected from interparticular Pt‐to‐Pt distance of Pt‐loaded hCR‐rGO longer than that of Pt/C (Pt‐loaded carbon black as a practical Pt catalyst), the...
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