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- W2894941884 abstract "Abstract Oxygen reduction reaction (ORR) plays a critical role in many energy conversion and storage processes. Therein, a comparative study of the electrocatalytic activity for ORR in 0.1 mol/L KOH solution was conducted using layered perovskite-like LaSr3Fe3O10 and LaSr3Fe3O10-graphene oxide (GO) composite as electrodes. Linear sweep voltammetry (LSV) results show that the LaSr3Fe3O10-GO hybrid exhibits higher current density, a more positive onset potential (−0.15 V vs. Hg/HgO) in comparison with LaSr3Fe3O10. The value of the overall transferred electrons for both catalysts implies a dominant two electron process for ORR. Both catalysts under alkalic conditions exhibit a two-step Tafel slope, suggesting a change in the reaction mechanism for ORR. The composite electrode exhibits a higher ORR current density, but inferior durability performances in relative to the LaSr3Fe3O10 electrode." @default.
- W2894941884 created "2018-10-12" @default.
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- W2894941884 date "2019-03-01" @default.
- W2894941884 modified "2023-10-17" @default.
- W2894941884 title "Electrocatalytic activity of LaSr3Fe3O10 and LaSr3Fe3O10-GO towards oxygen reduction reaction in alkaline medium" @default.
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- W2894941884 doi "https://doi.org/10.1016/j.jre.2018.07.004" @default.
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