Related Experiment Video
Updated: Aug 5, 2026
Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
Ordered Ni-N-C Nanofibers Enable Spatially Uniform H+/CO2 Distribution for Voltage-Tolerant CO2-to-CO
Nannan Chen1,2, Qingle Yuan3, Qin Liu4
1Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Engineering Research Center of Carbon Neutrality, Anhui Key Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui241002, China.
Abstract:
Single-atom catalysts (SACs) hold great promise for the electrochemical reduction of CO2 to CO; however, the high selectivity is typically restricted within a narrow potential window, limiting their practical implementation. In this study, Ni-N-C catalysts were supported on ordered and disordered carbon nanofiber membranes (denoted as o-NiNC and d-NiNC, respectively) via electrospinning to elucidate the effect of nanofiber alignment on CO2 reduction activity. The results demonstrate that o-NiNC catalysts allow for spatially uniform H+/CO2 delivery and consumption, thereby mitigating the selectivity variations arising from uneven spatial distribution of reactants. As a result, the o-NiNC catalysts achieve a CO Faradaic efficiency (FE) of 98.5% at -1.0 V and maintain an FE above 90% across a broad potential range (-0.6 to -1.6 V). This work provides new insights into the rational design of high-performance CO2 reduction electrocatalysts through geometric engineering.
More Related Videos
10:57Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
Published on: April 10, 2018
10:03Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
Published on: November 11, 2013