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Supercapacitor

Supercapacitors are energy storage devices with high power density and long lifespan, featuring rapid charge and discharge characteristics. Compared with traditional batteries, high voltage supercapacitor can release a large amount of electrical energy in an extremely short period of time, and this large supercapacitor also has a fast charging speed and long cycle life. Supercapacitors store energy through the electric double-layer capacitance and pseudocapacitance effects. These high power supercapacitors are commonly used in fields such as electric vehicles, renewable energy systems and industrial equipment. They are suitable for scenarios that require quick response and high-frequency charge and discharge, and can work stably even under extreme temperatures.

Axial Supercapacitor

A compact energy storage solution with a cylindrical design and high energy density, ideal for space-constrained applications requiring high power output, featuring ultra-low internal resistance, instantaneous large current discharge, and strong shock resistance.
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Snap-In Supercapacitor

Designed for easy installation, this solution ensures convenient and reliable energy storage and efficient power delivery, with low internal resistance.
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Supercapacitor Function

  • Rapid Energy Storage of Supercapacitor

    Supercapacitors excel at rapid energy storage and release, capable of charging and discharging in seconds or less. Unlike batteries, which store energy through chemical reactions, supercapacitors store energy electrostatically on high-surface-area electrodes, enabling superfast charging for applications requiring quick energy bursts, such as electric vehicle acceleration, regenerative braking, or stabilizing power grids during sudden demand spikes.

  • Long Cycle Life of Supercapacitor

    Supercapacitors offer exceptional durability, with cycle lives often exceeding 1 million charge-discharge cycles. Their electrostatic storage mechanism avoids the chemical degradation seen in batteries, ensuring enduring performance for extended use in applications like renewable energy systems, industrial equipment, and consumer electronics, where reliability over thousands of hours is critical.

  • High Power Density of Supercapacitor

    With high power density, supercapacitors deliver significant power in a compact design, making them ideal for high-power applications where space and weight are constraints. They can provide instantaneous power surges for devices like camera flashes, medical equipment, or aerospace systems, while their small footprint supports efficient integration into portable and high-performance technologies.

Supercapacitor Applications

  • Supercapacitors as a Complement to Batteries

    Supercapacitors are ideal for handling peak power demands and reducing stress on batteries during high-load events. Acting as a super capacitor as battery support, they enhance overall system efficiency and extend battery lifespan. Thanks to their high power density, supercapacitors excel at load smoothing and maintaining power stability under fluctuating conditions. This is a key advantage in many supercapacitor applications.


  • Supercapacitors in Electric Vehicles (EVs)

    Supercapacitor in electric vehicles is a common trend, especially in regenerative braking systems, where they rapidly capture and release energy, improving vehicle energy efficiency. These automotive supercapacitors also provide power boosts during acceleration — notably demonstrated in high-performance hybrids like the Lamborghini Sián’s V12 system. By managing short, high-power demands, supercapacitors enable the use of smaller and more economical battery packs without sacrificing performance. In some setups, super capacitor car battery solutions are being explored as lightweight, high-power alternatives to traditional batteries.


  • Supercapacitors in Hybrid and Internal Combustion Engine (ICE) Vehicles

    In hybrid and ICE vehicles, supercapacitors support start-stop systems, such as Mazda’s i-ELOOP, enabling quick engine restarts while conserving fuel. They stabilize onboard 12V electrical systems by delivering instant bursts of power. Supercapacitors are also suitable for car battery super capacitor configurations in heavy-duty trucks and construction equipment, where they reduce maintenance and battery degradation.


  • Supercapacitors in Safety-Critical Automotive Systems

    These devices act as a backup power source for essential vehicle systems, including electric power steering, braking systems, and Advanced Driver Assistance Systems (ADAS). In the event of a main battery failure, super capacitor for car applications ensure continued operation, greatly improving vehicle safety and reliability.


  • Supercapacitors in Non-Powertrain Automotive Applications

    Supercapacitors supply energy to systems like active suspension, enhancing comfort and handling. Due to their superior performance in extreme environments — including temperatures as low as -40°C — high temperature supercapacitors are particularly valuable in automotive and aerospace systems.


  • Supercapacitors in Industrial Applications

    In industrial use cases, supercapacitors are replacing traditional batteries in high-power, short-duration scenarios, such as emergency switching in rail networks. These high power supercapacitors reduce stress on primary batteries, thereby lowering operational costs. In renewable energy systems, super capacitor battery for solar setups are emerging as efficient, eco-friendly alternatives to chemical batteries for short-term energy storage.


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