Electrocatalytic hydrogen peroxide production in acidic media enabled by NiS<sub>2</sub> nanosheets
Jie Liang, Yuanyuan Wang, Qian Liu, Yonglan Luo, Tingshuai Li, Haitao Zhao, Siyu Lu, Fang Zhang, Abdullah M. Asiri, Fenggang Liu, Dongwei Ma, Xuping Sun
Abstract
NiS<sub>2</sub> acts as an active and selective electrocatalyst for the two-electron O<sub>2</sub> reduction reaction in acids, achieving a selectivity of up to 99% and a H<sub>2</sub>O<sub>2</sub> yield rate of 109 ppm h<sup>−1</sup>. The catalytic mechanism is further investigated by theoretical calculations.
Topics & Concepts
ElectrocatalystHydrogen peroxideCatalysisSelectivityYield (engineering)Inorganic chemistryChemistryNuclear chemistryElectrochemistryMaterials sciencePhysical chemistryElectrodeMetallurgyOrganic chemistryElectrocatalysts for Energy ConversionElectrochemical Analysis and ApplicationsAdvanced battery technologies research