Matches in SemOpenAlex for { <https://semopenalex.org/work/W4296301509> ?p ?o ?g. }
- W4296301509 endingPage "101167" @default.
- W4296301509 startingPage "101167" @default.
- W4296301509 abstract "The sluggish nature of oxygen reduction reaction (ORR) and the current use of expensive precious metals (platinum [Pt], palladium [Pd], etc.) are barriers to the commercialization and scale-up of fuel cell and metal-air battery technologies. Given this, the development of low-cost non-precious metal-based electrocatalysts with high activity and durability is an area that requires attention. In this study, we report cupric oxide (CuO) modified zinc oxide (ZnO) supported on nitrogen-doped carbon (CuO/ZnO/NC-600) as a desirable electrocatalyst given its activity in alkaline medium, durability, and low cost. The CuO/ZnO/NC-600 catalyst shows excellent ORR activity with an onset potential and half-wave potential (E1/2) of 0.91 V and 0.80 V vs. reversible hydrogen electrode (RHE), respectively, with outstanding limiting current density of 5.34 mA/cm2. The catalyst also displays excellent methanol tolerance, outstanding stability (90 % current retention after 24 h), and durability (only 18 mV half-wave potential shift after 2000 cyclic voltammetry [CV] cycles). The excellent activity and durability of the catalyst are attributed to the synergistic effect of CuO/ZnO and nitrogen-doped carbon. The structure formation of CuO modified ZnO supported on nitrogen doped carbon (CuO/ZnO/NC-600) catalyst provides the advantages associated with excellent conduction of electrons and a large specific surface area (220 m2/g). These, along with the desirable interfacial charge transfer between CuO and ZnO, aid in obtaining the observed ORR activity in CuO/ZnO/NC-600." @default.
- W4296301509 created "2022-09-19" @default.
- W4296301509 creator A5000639948 @default.
- W4296301509 creator A5034603528 @default.
- W4296301509 creator A5047615196 @default.
- W4296301509 creator A5056374258 @default.
- W4296301509 creator A5062926382 @default.
- W4296301509 creator A5079049057 @default.
- W4296301509 date "2022-12-01" @default.
- W4296301509 modified "2023-09-26" @default.
- W4296301509 title "CuO modified ZnO on nitrogen-doped carbon: a durable and efficient electrocatalyst for oxygen reduction reaction" @default.
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