期刊
NANOMATERIALS
卷 8, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/nano8060432
关键词
carbon nitride; electrocatalyst; support; water electrolyzer; oxygen evolution reaction; water oxidation
类别
资金
- UK Engineering and Physical Sciences Research Council
- EPSRC [EP/L017091/1]
- EU Graphene Flagship under Horizon 2020 research and innovation program [696656]
- UK Engineering Physical Research Council (EPSRC) First Grant [EP/P031323/1]
- EPSRC Postdoctoral Fellowship [EP/P023851/1]
- EPSRC [EP/P031323/1, EP/P023851/1] Funding Source: UKRI
Carbon nitride materials with graphitic to polymeric structures (gCNH) were investigated as catalyst supports for the proton exchange membrane (PEM) water electrolyzers using IrO2 nanoparticles as oxygen evolution electrocatalyst. Here, the performance of IrO2 nanoparticles formed and deposited in situ onto carbon nitride support for PEM water electrolysis was explored based on previous preliminary studies conducted in related systems. The results revealed that this preparation route catalyzed the decomposition of the carbon nitride to form a material with much lower N content. This resulted in a significant enhancement of the performance of the gCNH-IrO2 (or N-doped C-IrO2) electrocatalyst that was likely attributed to higher electrical conductivity of the N-doped carbon support.
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