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10:15
Solar-Driven Electrochemical Green Fuel Production from CO2 and Water Using Ti3C2Tx MXene-Supported CuZn and NiCo Catalysts
Published on: November 7, 2025
Nitrogen doping boosted aqueous Zn-CO2 batteries producing methane and electricity simultaneously
Rani Misbah1, Di Li1, Hameed Sidra1
1MIIT Key Laboratory of Thermal Control of Electronic Equipment, School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China. jingjing.duan@njust.edu.cn.
Chemical Communications (Cambridge, England)
|May 22, 2026
Summary
Nitrogen-doped Cu-based metal-organic frameworks enable aqueous Zn-CO2 batteries (AZCB) with high power and stability. These advanced materials offer a promising path for efficient energy storage solutions.
Area of Science:
- Materials Science
- Electrochemistry
- Energy Storage
Background:
- Aqueous batteries offer safer and more sustainable energy storage alternatives.
- Metal-organic frameworks (MOFs) present tunable structures for electrochemical applications.
- Developing efficient cathode materials is crucial for advancing aqueous Zn-CO2 batteries (AZCB).
Purpose of the Study:
- To investigate nitrogen-doped Cu-based MOFs as cathode materials for AZCB.
- To evaluate the electrochemical performance and cycling stability of the developed AZCB.
Main Methods:
- Synthesis of nitrogen-doped Cu-based MOFs.
- Fabrication and electrochemical testing of AZCB prototypes.
- Performance characterization including power density, current density, and cycling stability.
Main Results:
- The AZCB achieved a peak power density of 6.1 mW cm⁻².
- A high current density of 15.0 mA cm⁻² was demonstrated.
- The battery exhibited excellent stability over 720 cycles.
Conclusions:
- Nitrogen-doped Cu-based MOFs are effective cathode materials for high-performance AZCB.
- The developed AZCB show significant potential for practical energy storage applications.
- This work contributes to the advancement of sustainable battery technologies.
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