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From Devices to Systems: Integration Strategies for Micro-Supercapacitors in Microsystems
Zhuohao Liu1, Gang Li1, Kaiying Wang2
1Institute of Energy Innovation, College of Materials Science and Engineering & College of Mining Engineering, Taiyuan University of Technology, Taiyuan, China.
Micro-supercapacitors (MSCs) are shifting from device-centric to system-governed components. Effective integration is key for microsystem energy solutions, guiding design from application needs to material choices.
Area of Science:
- Materials Science
- Electrical Engineering
- Energy Storage
Background:
- Micro-supercapacitors (MSCs) are vital for integrated microsystems requiring miniaturization and high performance.
- Current MSC research is device-centric, overlooking practical system-level integration challenges.
Purpose of the Study:
- Redefine MSCs as system-governed components, prioritizing integration.
- Establish a design logic for effective MSC integration into real microsystems.
Main Methods:
- Revisit MSC integration concepts from a microsystem perspective.
- Compare monolithic and hybrid integration routes.
- Develop a selection logic based on integration trade-offs.
Main Results:
- Integration is the key variable linking application requirements, system constraints, device architectures, and material choices.
- Monolithic and hybrid integration routes offer distinct trade-offs in parasitic loss, coupling efficiency, and scalability.
- A selection logic for integration routes is established.
Conclusions:
- Shifting focus from device optimization to integration-defined system design is crucial.
- This review provides a framework and roadmap for advancing MSCs for microsystem applications.
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