SUPERCAPACITORS IN
HYBRID SYSTEMS
24/11/2025
Smart energy for modern applications
The growing demand for efficiency and reliability has driven engineers and designers towards increasingly sophisticated storage solutions. Batteries remain indispensable for providing continuous, long-term energy, but they are not ideal when instant power and rapid cycles are required. This is where supercapacitors come into play, offering the perfect combination of immediate power and long range in hybrid systems.
Two complementary technologies
Supercapacitors and batteries do not compete: they complement each other.
Batteries provide energy reserves, while supercapacitors manage power peaks and absorb sudden load variations. This results in a more stable, efficient and durable system.
During acceleration, engine start-up or regenerative braking, the supercapacitor releases or recovers energy in a matter of milliseconds, preventing the battery from overcharging or degrading. This approach reduces maintenance costs and significantly extends the useful life of the cells.
Energy efficiency and stability
In industrial plants, the ability of supercapacitors to respond quickly to load variations helps stabilise voltage and reduce fluctuations that can damage sensitive components. In electric vehicles or dynamic machinery, this translates into greater efficiency and operational continuity, as energy is distributed more evenly and predictably.
In addition, supercapacitors operate at efficiencies greater than 95%, ensuring minimal losses and optimising each energy cycle. Their longevity of up to hundreds of thousands of cycles makes them ideal for applications where reliability is critical.
Typical applications of hybrid systems
The integration of batteries and supercapacitors is now widely used in various sectors. In electric and hybrid vehicles, supercapacitors manage acceleration phases and recover energy during braking. In industrial machinery, they provide immediate power during load peaks. In UPS, drones and AGVs, they improve response times and guarantee a ready-to-use energy reserve in case of emergencies or blackouts.
In all these cases, their presence reduces the size and stress on batteries, while improving system stability and operational safety.
Conclusion
Supercapacitors are now at the heart of next-generation hybrid systems. They offer instant power, infinite cycles and stability, integrating seamlessly with batteries to create flexible, high-performance energy systems.
For modern designers, adopting a hybrid solution means not only optimising efficiency, but also ensuring durability, safety and sustainability. In this balance between instant power and long-term storage, supercapacitors are the key to the energy of the future.
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