Selective synthesis of dense high-spin D1 active sites <i>via</i> engineered less-graphitized carbon environments
Xuan Luo, Jiabao Nie, Huang Liang, Yuyang Li, Youheng Wang, Qikang Que, Jean‐Pol Dodelet, Yucheng Wang
Abstract
Introducing ascorbic acid in the synthesis of Fe–N–C catalysts drastically increases its D1 active site content, improving the cathodic activity of Fe–N–C, but also reducing the stability of the catalyst in proton exchange membrane fuel cells.
Topics & Concepts
Materials scienceCarbon fibersNanotechnologySpin (aerodynamics)Chemical engineeringComposite numberComposite materialEngineeringAerospace engineeringNanomaterials for catalytic reactionsElectrocatalysts for Energy ConversionCatalytic Processes in Materials Science