Description:
The GREEN CAP EDLC(DB) 2.8V 600F Super Capacitor is a specific model of supercapacitor, also known as an ultracapacitor. It is an energy storage device that offers a higher power density and a much longer lifespan than conventional batteries.
Breakdown of the product name:
- GREEN CAP: This is a product line or series name, in this case, a brand manufactured by SAMWHA.
- EDLC: Stands for Electric Double-Layer Capacitor. This is the core technology used by the device. It stores energy electrostatically, based on ion adsorption at the interface between the electrodes and the electrolyte, rather than through a chemical reaction like a battery.
- DB: Likely indicates a specific design or package configuration. In some contexts, it could refer to a “double-layer” cell or a particular form factor.
- 2.8V: The rated or nominal voltage of the supercapacitor cell. In many applications, these low-voltage cells are connected in series to achieve a higher voltage.
- 600F: The capacitance value, measured in Farads (F). A capacitance of 600F is an extremely high value compared to standard electrolytic capacitors, which are typically measured in microfarads or millifarads.
Key characteristics and advantages:
| Feature | Description |
|---|---|
| High power density | Can deliver and absorb high currents rapidly, making them suitable for applications requiring short bursts of power. |
| Long cycle life | Can be charged and discharged hundreds of thousands to millions of times with minimal degradation, far outperforming standard rechargeable batteries. |
| Rapid charging | The charging and discharging process is very quick, often taking only seconds or minutes. |
| Wide operating temperature range | Generally perform well across a wide temperature range, from -40°C to +65°C, better than most batteries. |
| Eco-friendly | Supercapacitors often use materials that are less harmful to the environment than those found in batteries. |
| High efficiency | The charging and discharging process is highly efficient, typically around 95%. |
Common applications:
The combination of high capacitance and high power density makes this type of supercapacitor suitable for numerous applications, including:
- Automotive: Used in start-stop systems, regenerative braking, and electric power systems to provide short, high-power energy bursts.
- Heavy equipment: Provides burst-mode power for cranes, forklifts, and other machinery.
- Renewable energy: Used to stabilize power output from wind turbines and solar panels due to their ability to mitigate sudden power fluctuations.
- Consumer electronics: Found in devices like cameras for flash units and backup power for memory.
- Uninterruptible Power Supplies (UPS): Provides backup power for short interruptions.
- Grid power: Assists in grid stabilization and peak shaving by providing power during peak demand.
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