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- W3035757430 abstract "Abstract Herein, we show that the performance of mesostructured cobalt oxide electrocatalyst for oxygen evolution reaction (OER) can be significantly enhanced by coupling of silver species. Various analysis techniques including pair distribution function and Rietveld refinement, X‐ray absorption spectroscopy at synchrotron as well as advanced electron microscopy revealed that silver exists as metallic Ag particles and well‐dispersed Ag 2 O nanoclusters within the mesostructure. The benefits of this synergy are twofold for OER: highly conductive metallic Ag improves the charge transfer ability of the electrocatalysts while ultra‐small Ag 2 O clusters provide the centers that can uptake Fe impurities from KOH electrolyte and boost the catalytic efficiency of Co–Ag oxides. The current density of mesostructured Co 3 O 4 at 1.7 V RHE is increased from 102 to 211 mA cm −2 with incorporation of silver spices. This work presents the dual role of silver moieties and demonstrates a simple method to increase the OER activity of Co 3 O 4 ." @default.
- W3035757430 created "2020-06-19" @default.
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- W3035757430 date "2020-07-21" @default.
- W3035757430 modified "2023-10-16" @default.
- W3035757430 title "Dual Role of Silver Moieties Coupled with Ordered Mesoporous Cobalt Oxide towards Electrocatalytic Oxygen Evolution Reaction" @default.
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- W3035757430 doi "https://doi.org/10.1002/anie.202003801" @default.
- W3035757430 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7540465" @default.
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- W3035757430 hasPublicationYear "2020" @default.
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