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- W4296106032 abstract "Abstract The research on cobalt‐based bimetallic hydroxides has led to their emergence as an effective electrocatalyst for oxygen (OER) and hydrogen evolution processes (HER) to split water and replace state‐of‐the‐art efficient noble metals. It is imperative to conduct both the OER and HER in the same electrolyte, hence it is necessary to adjust the material‘s characteristics to be compatible for this application. Due to the Co 3+ active site, Co(OH) 2 is electrochemically oxidized to CoOOH and exhibits outstanding OER kinetics. The incorporation of Mn into the cobalt hydroxide matrix increases the surface area while balancing the ratio of *OH to *O radicals to increase electrocatalytic activity. The complementary effects of the two metal hydroxides (Co and Mn) reveal a fresh perspective on the next‐generation electrocatalyst. The OER and HER reactions are both optimized using an easy electrodeposition method. The best HER and OER as two‐electrode electrolyzers displayed a cell voltage of 1.69 V at 10 mA/cm 2 in alkaline electrolyte. Interestingly, when the state of art material Pt deposited on nickel foam substrate used for HER and the best CoMn hydroxide used for OER exhibits a cell voltage of only 1.55 V to drive the current density of 10 mA/cm 2 ." @default.
- W4296106032 created "2022-09-17" @default.
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- W4296106032 date "2022-10-25" @default.
- W4296106032 modified "2023-10-12" @default.
- W4296106032 title "Kinetically Controlled Mn Doping Effect on Composition Tuned CoMn Hydroxide Nanoflakes for Overall Water Splitting Application" @default.
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- W4296106032 doi "https://doi.org/10.1002/cctc.202200966" @default.
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