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What is a Supercapacitor?

A supercapacitor, also known as an ultracapacitor or double-layer capacitor, is a high-capacity capacitor with a much higher capacitance value than other capacitors but with lower voltage limits. It fills the gap between electrolytic capacitors and rechargeable batteries. Supercapacitors store energy through a static charge, similar to the way an electric charge builds up when walking on a carpet. EVE's Lithium-Ion Super Pulse Capacitor (SPC) series batteries are an energy storage device with the latest and most advanced technologies. With the SPC, EVE provides a power solution for life cycle with high pulse current discharge and passivation sensitive application.

What are the Uses of Supercapacitors?

Consumer electronics: Supercapacitors are used in memory devices in laptops, cell phones and radio receivers where instantaneous bursts of power are required. Power supply and voltage stabilization: Supercapacitors can be used to stabilize voltage and provide backup power in case of power outages. Microgrid and renewable energy storage: Supercapacitors can be used to store energy generated from renewable sources such as solar and wind power, providing a reliable and efficient energy storage solution. Energy harvesting: The supercapacitor can be used to store energy generated from energy harvesting systems such as piezoelectric and thermoelectric systems. Regenerative braking: Supercapacitors are used for regenerative braking in automobiles where they can store the energy generated during braking and use it to power the vehicle during acceleration. Peak load boosters: Supercapacitor can be used as peak load boosters for hybrid vehicles and fuel cell applications, providing high current on acceleration and ultra-fast charging during regenerative braking Smart water meters: Supercapacitors can be used in smart water meters to ensure a reliable and long-lasting power supply. Backup power systems: Smaller supercapacitor units can be used as backup power systems for static random access memory (SRAM) and other devices In summary, super capacitors have diverse applications in a variety of fields, including consumer electronics, power supply and voltage stabilization, microgrid and renewable energy storage, energy harvesting, regenerative braking, peak load boosters, smart water meters and backup power systems. Super capacitors are particularly useful in situations requiring fast energy transfer and high power performance.

What are the Differences with Normal Capacitors and Batteries?

We can list the differences as follows:
  • High capacitance
  • Fast charge and discharge
  • Long cycle life
  • Wide temperature range
  • High power density
  • Environmentally friendly
High capacitance: Supercapacitors have very high capacitance, which allows them to store large amounts of electrical energy per unit volume or mass. Fast charge and discharge: Supercapacitors can accept and deliver charge much faster than batteries, making them suitable for applications that require fast energy transfer. Long cycle life: Supercapacitors can tolerate many more charge and discharge cycles than rechargeable batteries, making them durable and long-lasting. Wide temperature range: Supercapacitors can operate effectively over a wide temperature range, ensuring reliable performance in a variety of environments High power density: Supercapacitors have a high power density, allowing them to deliver bursts of power quickly. Environmentally friendly: Supercapacitors are considered more environmentally friendly than conventional batteries because they do not contain toxic chemicals. Super capacitors have found applications in a variety of fields, including electric powertrains, hybrid vehicles, regenerative braking systems, peak load boosters and energy storage systems. They are also used in consumer electronics, renewable energy systems and other devices that require high power and fast energy transfer capabilities. In a nutshell, a supercapacitor is a high-capacity capacitor that stores energy through a static charge. It offers high capacitance, fast charge and discharge, long cycle life, wide temperature range, high power density and environmentally friendly features. Supercapacitors have a variety of applications in different industries and are particularly useful in situations requiring fast energy transfer and high power performance. For detailed information about super capacitor products, you can reach our expert staff via the contact number on our contact page or send an e-mail to

Frequently Asked Questions About Supercapacitor

Where is a super capacitor used?

It is used in many areas such as energy storage, power supplies and applications requiring high current.

How to maintain a super capacitor?

SPC Maintenance is done by maintaining low ESR (Equivalent Series Resistance), ensuring proper voltage stabilization and monitoring for physical damage.

What are the advantages of super capacitors?

It offers advantages such as fast charge/discharge capabilities, long life, wide operating temperature range and high power density.