نتایج جستجو برای: bimetallic electrocatalyst for oxygen reduction
تعداد نتایج: 10560376 فیلتر نتایج به سال:
Bimetallic Pt-Pd core-shell nanocrystals (NCs) are synthesized through a two-step process with controlled Pd thickness from sub-monolayer to multiple atomic layers. The oxygen reduction reaction (ORR) catalytic activity and methanol oxidation reactivity of the core-shell NCs for fuel cell applications in alkaline solution are systematically studied and compared based on different Pd thickness. ...
Dealloyed Pt bimetallic core-shell catalysts derived from low-Pt bimetallic alloy nanoparticles (e.g, PtNi3 ) have recently shown unprecedented activity and stability on the cathodic oxygen reduction reaction (ORR) under realistic fuel cell conditions and become today's catalyst of choice for commercialization of automobile fuel cells. A critical step toward this breakthrough is to control thei...
Control over the architectural and electronic properties of heterogeneous catalysts poses a major obstacle in the targeted design of active and stable non-platinum group metal electrocatalysts for the oxygen reduction reaction. Here we introduce Ni3(HITP)2 (HITP=2, 3, 6, 7, 10, 11-hexaiminotriphenylene) as an intrinsically conductive metal-organic framework which functions as a well-defined, tu...
Catalysts capable of improving the performance oxygen evolution reaction (OER) and reduction reactions (ORR) are essential for advancement renewable energy technologies. Herein, Ag-decorated vertically aligned MoS2 nanoflakes developed via magnetron co-sputtering investigated as electrocatalyst towards OER ORR. Due to presence silver, catalyst shows more than 1.5 times an increase in roughness-...
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