Transition metal incorporation: electrochemical, structure, and chemical composition effects on nickel oxyhydroxide oxygen-evolution electrocatalysts

Energy Environ. Sci., 2024, 17,2028-2045
DOI: 10.1039/D3EE03617K, Paper
Open Access Open Access
Raul A. Marquez, Emma Kalokowski, Michael Espinosa, Jay T. Bender, Yoon Jun Son, Kenta Kawashima, Chikaodili E. Chukwuneke, Lettie A. Smith, Hugo Celio, Andrei Dolocan, Xun Zhan, Nathaniel Miller, Delia J. Milliron, Joaquin Resasco, C. Buddie Mullins
Trace metal cations dissolved in alkaline electrolytes incorporate into nickel hydroxide/oxyhydroxide through in situ cation exchange, creating an interstratified structure near the surface of the material that impacts the electrochemical performance.
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