نتایج جستجو برای: electrocatalyst
تعداد نتایج: 2235 فیلتر نتایج به سال:
The generation of renewable H2 through an efficient photochemical route requires photoinduced electron transfer (ET) from a light harvester to an efficient electrocatalyst in water. Here, we report on a molecular H2 evolution catalyst (NiP) with a DuBois-type [Ni(P2(R')N2(R"))2](2+) core (P2(R')N2(R") = bis(1,5-R'-diphospha-3,7-R"-diazacyclooctane), which contains an outer coordination sphere w...
Hollow alloyed nanoparticles (NPs) represent one kind of promising fuel cell electrocatalyst. However, the formation of single-cavity hollow structures by a dealloying process is quite challenging owing to the random leaching/dissolution of transition metals, surface passivation and the limited diffusion distance of the noble metals. Here we present a facile method to prepare hollow PtPdCu NPs ...
The electrolysis of water for substantial production hydrogen and oxygen with very high purity is considered as a potentially practical technology. In the present study, we have fabricated graphene-oxide hybrid zinc-selenide electrocatalyst characterized it using different techniques. XRD analysis confirms phase crystal structure electrocatalyst. Furthermore, elemental arrangement morphology we...
The different weight ratios of Pd to Pt, i.e., 16:4, 10:10, 4:16 in Pd-Pt/C and (20 wt. %)/C electrocatalysts with low metal loading were synthesized for glycerol electrooxidation an air breathing microfluidic fuel cell (MFC). performance on Pd-Pt (16:4)/C anode electrocatalyst was found best among all the tested. single when tested at a temperature 35°C using (16:4)/C, showed maximum open cir...
As a novel electrocatalyst for acetylene semihydrogenation, single-atom nickel dispersed N-doped carbon exhibits high conversion of 97.4%, which are attributed to weak ?-adsorption ethylene on individual Ni sites.
Cobalt modified nickel phosphide nanosheet arrays on foam (Co-Ni 2 P/NF) can be used as a bifunctional electrocatalyst for PET hydrolysate electroreforming-assisted water splitting, and achieve 10 mA cm −2 at voltage of 1.43 V.
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