Photo-supercapacitors for the Future: Integrating Solar Conversion and Energy Storage into a Single Platform.

Area of Science:

• Energy Science and Technology
• Materials Science
• Electrochemistry

Background:

• Significant interest in integrating energy harvesting (photovoltaics) and energy storage (supercapacitors) for self-powered devices.
• Perovskite solar cells show promise due to high efficiency and stability, suitable for integration.
• Current research often focuses on individual components, limiting integrated device performance and industrial adoption.

Purpose of the Study:

• To review integration approaches for photovoltaic supercapacitors.
• To discuss strategies for improving the efficiency of integrated devices.
• To highlight applications and challenges of this emerging technology.

Main Methods:

• Discussion of various integration strategies: conventional, three-electrode, and two-electrode monolithic.
• Analysis of key factors: charge transport layers, shared electrodes, device configuration, and photoactive layer engineering.
• Review of multifunctional applications and associated challenges.

Main Results:

• Several integration strategies and optimization techniques have been identified.
• Effective strategies involve optimizing charge transport, electrode selection, and device architecture.
• Multifunctional applications in energy conversion, storage, and saving are feasible.

Conclusions:

• Successful integration of perovskite photovoltaics and supercapacitors is achievable through strategic approaches.
• Overcoming current efficiency bottlenecks is crucial for widespread industrial application.
• Further research addressing integration challenges will drive the development of advanced self-powered systems.