Electrocatalytic oxygen evolution reaction (OER) on mixed nanoporous RuIr borides

Autor:	Yawei Li, Maxim Sokol, Joshua Snyder, Varun Natu, Saad Intikhab, Swarnendu Chatterjee, Michel W. Barsoum
Rok vydání:	2021
Předmět:	Electrolysis Materials science Nanoporous General Chemical Engineering Oxygen evolution 02 engineering and technology Electrolyte 010402 general chemistry 021001 nanoscience & nanotechnology Electrochemistry Electrocatalyst 01 natural sciences 0104 chemical sciences law.invention Catalysis Chemical engineering law Materials Chemistry Water splitting 0210 nano-technology
Zdroj:	Journal of Applied Electrochemistry. 51:1101-1108
ISSN:	1572-8838 0021-891X
DOI:	10.1007/s10800-021-01555-z
Popis:	Efficient water splitting for commercial electrolysis devices is predicated on the development of materials, specifically for the catalytic electrodes, that exhibit an optimal balance between activity and stability. Complicating the development of electrocatalytic materials, particularly for oxygen-evolving anodes in acidic polymer electrolyte membrane electrolyzers, is an inverse relationship between activity and stability. Here the development of a nanostructured oxygen evolution reaction (OER) electrocatalyst for low-pH water splitting is demonstrated. Dealloying of mixed RuIr borides is used to form a high aspect ratio electrocatalytic material that exhibits low OER overpotentials matching that of RuOx and electrolytic stability matching that of IrOx.
Databáze:	OpenAIRE
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