IrO₂-Based Monolithic Electrodes for Efficient and Stable Oxygen Evolution Reaction in Acid

Abstract:

Monolithic electrodes for oxygen evolution reaction (OER) have been successfully synthesized by hydrothermal method. Prolonging the hydrothermal duration and subsequent annealing treatment can increase the OER activities and stabilities of the samples. The IrO₂/Ti-60h@400 shows excellent performance, which requires an overpotential of 391 mV at 100 mA cm^-2, and could keep good activity at 200 mA cm^-2 for 40 hours in acid electrolyte.

• Periodical: Key Engineering Materials (Volume 861)
• Pages: 401-406
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.861.401
• Online since: September 2020
• Authors: Qian Deng, Bo Li, Jin Wang*
• Keywords: Catalysts, Hierarchical Structures, Oxygen Evolution Reaction

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