Related Experiment Video
Updated: Oct 11, 2025
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
One-dimensional CoP/MnO hollow nanostructures with enhanced oxygen evolution reaction activity
Xin Chang1, Bin Yang1, Xinyao Ding1
1Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education, School of Physics and Electronic Engineering, Harbin Normal University, Harbin 150025, People's Republic of China.
Cobalt phosphide/manganese oxide (CoP/MnO) hollow nanofibers were synthesized for oxygen evolution reaction (OER) electrocatalysis. These nanostructures exhibit excellent catalytic activity and stability, offering a promising solution for efficient energy conversion.
Area of Science:
- Materials Science
- Electrochemistry
- Nanotechnology
Background:
- Cobalt-based transition metal phosphides are emerging as efficient electrocatalysts for the oxygen evolution reaction (OER).
- Optimizing the catalytic performance of these materials often involves strategies like nanostructure engineering and compositing with oxides.
- Developing stable and highly active electrocatalysts is crucial for advancing energy conversion technologies.
Purpose of the Study:
- To synthesize CoP/MnO hollow nanofibers as advanced electrocatalysts for OER.
- To investigate the impact of hollow nanostructures and oxide compositing on catalytic performance.
- To provide a facile method for designing high-performance nanostructured electrocatalysts.
Main Methods:
- Synthesis of CoP/MnO hollow nanofibers using a template-assisted method.
- Characterization of the synthesized materials' structure and morphology.
- Electrochemical evaluation of the OER performance, including overpotential and stability tests.
Main Results:
- Successfully synthesized CoP/MnO hollow nanofibers with an extensive contact interface.
- The hollow nanostructure and MnO composite significantly enhanced OER catalytic performance.
- Achieved an overpotential of 230 mV at 10 mA cm⁻² and maintained stability over 5000 cycles.
Conclusions:
- Hollow nanostructures and oxide compositing are effective strategies for optimizing transition metal phosphide electrocatalysts.
- The synthesized CoP/MnO hollow nanofibers demonstrate excellent OER activity and durability.
- This research presents a practical approach for designing high-performance nanostructured electrocatalysts.
