Synthesis of Cu2Se-Based Materials and Their Application in Energy Conversion and Storage
Kai Zhang1, Songjun Li1, Maiyong Zhu1
1School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China.
Molecules (Basel, Switzerland)
|October 29, 2025
Summary
Copper selenide (Cu2Se) is a promising material for energy applications. Its synthesis methods and thermoelectric properties are reviewed, highlighting potential in waste heat conversion and energy storage systems.
Area of Science:
- Materials Science
- Energy Science
- Nanotechnology
Background:
- Environmental pollution and energy shortages necessitate efficient energy conversion and storage technologies.
- Copper selenide (Cu2Se) is a cost-effective thermoelectric material with abundant resources and a high figure of merit (ZT).
Purpose of the Study:
- To review the synthesis methods and application progress of Cu2Se in the energy field.
- To explore the potential of Cu2Se in thermoelectric conversion and energy storage systems.
Main Methods:
- Review of various synthesis techniques including solid-state, hydrothermal, and ion exchange methods.
- Analysis of Cu2Se's thermoelectric properties, carrier mobility, and electrochemical characteristics.
Main Results:
- Cu2Se can be synthesized using diverse methods to tailor its microstructure and properties.
- Significant potential demonstrated in thermoelectric conversion via the Seebeck effect for waste heat recovery.
- Promising applications in sodium-ion batteries, aqueous batteries, and flexible wearable devices.
Conclusions:
- Cu2Se exhibits substantial promise for advanced energy conversion and storage technologies.
- Continued optimization of Cu2Se properties is essential for practical implementation in energy harvesting and storage systems.
- Future research should focus on enhancing comprehensive material properties for broader energy applications.
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