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Electric Double Layer Capacitor

We offer high-performance Electric Double Layer Capacitors (EDLCs), also known as supercapacitors, designed for high energy density and rapid charge/discharge cycles. Our EDLCs provide reliable power solutions for diverse applications, from energy storage to automotive systems. With superior cycle life and environmental friendliness, our EDLCs deliver efficient and sustainable energy solutions. Explore our wide range of capacitance and voltage ratings.

Customize Electric Double Layer Capacitor Wholesale to Delight Your Clients

Elevate your wholesale offerings with customized Electric Double Layer Capacitors (EDLCs). Tailor capacitance, voltage, and form factors to meet your clients’ unique energy storage needs. Offer high-performance, reliable solutions that enhance their applications. Delight customers with bespoke EDLCs, boosting your brand reputation and sales. Partner with us for exceptional customization and client satisfaction.

High Energy Density and Rapid Charge/Discharge

EDLCs excel at storing and releasing energy quickly, offering significantly higher power density than batteries. This rapid charge/discharge capability makes them ideal for applications needing bursts of power, such as regenerative braking or peak power smoothing. Their ability to cycle frequently without degradation is a major advantage over traditional batteries.

Wide Operating Temperature Range and Environmental Friendliness

EDLCs can operate effectively across a broad temperature range, making them suitable for diverse environments. They are also environmentally friendly, as they do not contain heavy metals or toxic chemicals. This makes them a sustainable energy storage solution, aligning with increasing environmental concerns and regulations.

Extended Cycle Life and Reliability

EDLCs boast an exceptionally long cycle life, often exceeding millions of charge/discharge cycles. This durability makes them a reliable choice for long-term applications where frequent cycling is required. Their robust construction and electrochemical stability contribute to their longevity and consistent performance over time, minimizing maintenance and replacement costs.

Customizable Form Factors and Voltage Ratings

EDLCs can be tailored to meet specific application requirements, offering a wide range of capacitance and voltage ratings. Their flexible form factors allow for integration into various device designs. This adaptability enables engineers to optimize energy storage solutions for diverse applications, ensuring efficient and reliable performance in any given system.

Weishi Electronics: Your Reliable Electric Double Layer Capacitor Manufacturer

Weishi Electronics is a dedicated capacitor manufacturer, specializing in the production of high-quality Electric Double Layer Capacitors (EDLCs). As a leading capacitor manufacturer, we prioritize innovation and precision, ensuring our EDLCs meet the rigorous demands of modern electronic applications. Our commitment to excellence drives us to utilize advanced manufacturing techniques and stringent quality control measures.

Our focus on EDLCs allows us to provide reliable and efficient energy storage solutions for a wide range of industries. Whether it’s for automotive, renewable energy, or consumer electronics, Weishi Electronics delivers superior capacitor performance. We strive to be a trusted partner, offering customized solutions and exceptional service to our valued clients.

double layer capacitor

double layer capacitor

We offer high-performance double layer capacitors, also known as supercapacitors, designed for efficient energy storage and rapid power delivery. Our capacitors excel in applications requiring high cycle life and quick charge/discharge capabilities. With customizable options, we cater to diverse needs, from automotive to industrial energy storage. Experience reliable and sustainable power solutions with our advanced double layer capacitors.

electric double layer capacitors

electric double layer capacitors

We offer high-performance Electric Double Layer Capacitors (EDLCs), renowned for their rapid charge/discharge capabilities and extended cycle life. Our EDLCs provide reliable energy storage solutions for diverse applications, including automotive, renewable energy, and industrial systems. Featuring high power density and environmental friendliness, our capacitors deliver efficient and sustainable performance. Explore our wide range of capacitance and voltage ratings.

electrostatic double layer capacitors

electrostatic double-layer capacitors

We offer high-performance electrostatic double-layer capacitors, also known as supercapacitors, designed for rapid energy storage and release. Our capacitors provide exceptional cycle life and reliability, ideal for applications requiring quick bursts of power. With a wide range of capacitance and voltage options, our electrostatic double-layer capacitors deliver efficient and sustainable energy solutions, suitable for various industrial and consumer electronics applications.

What is Electric Double Layer Capacitor?

An Electric Double Layer Capacitor (EDLC), also known as a supercapacitor or ultracapacitor, is an electrochemical energy storage device that stores energy through the formation of an electric double layer at the interface between an electrode and an electrolyte.

Unlike traditional capacitors that use a dielectric material, EDLCs utilize the high surface area of porous carbon electrodes and an electrolyte to achieve very high capacitance values, enabling rapid charge and discharge cycles and providing high power density.

What is the difference between EDLC and supercapacitor?

The terms “EDLC” (Electric Double Layer Capacitor) and “supercapacitor” are often used interchangeably, and essentially, they refer to the same type of energy storage device. However, there are subtle nuances in their usage and the broader category they represent.

EDLC specifically highlights the mechanism by which these devices store energy: the formation of an electric double layer at the interface between the electrode material and the electrolyte. This process involves the accumulation of ions on the surface of the electrodes, creating a very thin layer of separated charge. This is a non-faradaic process, meaning there is no chemical reaction involved in the energy storage, unlike in batteries. Therefore, EDLC accurately describes the fundamental physics behind the operation of these devices.

“Supercapacitor,” on the other hand, is a more general term that encompasses a broader range of electrochemical capacitors. It includes EDLCs, but also pseudocapacitors and hybrid capacitors. Pseudocapacitors store energy through faradaic reactions, where charge transfer occurs between the electrode and electrolyte, resulting in a change in the oxidation state of the electrode material. Hybrid supercapacitors combine the mechanisms of EDLCs and pseudocapacitors, offering a blend of their characteristics.

In practical usage, especially in commercial and industrial settings, “supercapacitor” is the more common and widely understood term. It serves as an umbrella term for all high-capacitance electrochemical capacitors, while “EDLC” is often used in more technical or scientific contexts to emphasize the specific energy storage mechanism. So, while there is no practical difference in the devices themselves, the terms reflect different levels of technical specificity.

what is electric double layer capacitor principle?

The principle behind an Electric Double Layer Capacitor (EDLC) revolves around the formation of an electric double layer at the interface between an electrode and an electrolyte. 

  • Electrode Material:
    • EDLCs typically use high surface area materials like activated carbon, carbon nanotubes, or graphene as electrodes. These materials provide a vast surface area for ion adsorption.
  • Electrolyte:
    • An electrolyte, which can be aqueous or organic, contains ions that are free to move.
  • Double Layer Formation:
    • When a voltage is applied across the electrodes, ions from the electrolyte are attracted to the electrode surfaces with opposite polarity.
    • These ions accumulate on the electrode surfaces, forming a very thin layer of charged particles.
    • This layer, along with the opposite charge on the electrode surface, creates an “electric double layer.”
  • Energy Storage:
    • The energy is stored in this electric double layer, which acts like a capacitor.
    • The extremely small separation between the charged layers results in a very high capacitance.
  • Charge and Discharge:
    • During charging, ions move to the electrode surfaces, increasing the charge stored in the double layer.
    • During discharge, the ions move back into the electrolyte, releasing the stored energy.
  • Non-Faradaic Process:
    • Crucially, EDLCs store energy through a non-faradaic process, meaning there is no chemical reaction involved in the energy storage. This is a key difference from batteries, which rely on chemical reactions.
    • This non-faradaic process is what allows the very quick charge and discharge times, and the very high cycle life.

What are the advantages of EDLC?

Electric Double Layer Capacitors (EDLCs), or supercapacitors, offer several significant advantages over traditional capacitors and batteries:

  • High Power Density:
    • EDLCs can deliver and absorb energy much faster than batteries, making them ideal for applications requiring rapid bursts of power.
  • Long Cycle Life:
    • EDLCs can withstand millions of charge/discharge cycles with minimal degradation, far exceeding the cycle life of batteries.
  • Rapid Charge and Discharge:
    • EDLCs can be charged and discharged very quickly, often within seconds, compared to the hours required for some batteries.
  • Wide Operating Temperature Range:
    • EDLCs can function effectively across a broad temperature range, making them suitable for diverse environments.
  • High Efficiency:
    • EDLCs exhibit high charge/discharge efficiency, minimizing energy losses.
  • Environmental Friendliness:
    • EDLCs typically do not contain heavy metals or toxic chemicals, making them more environmentally friendly than many batteries.
  • Low Maintenance:
    • Due to their long cycle life and robust construction, EDLCs require minimal maintenance.
  • High Reliability:
    • Due to the non-faradaic energy storage process, they are very reliable.

How does EDLC supercapacitor work?

To understand how an Electric Double Layer Capacitor (EDLC) supercapacitor works, it’s essential to break down the key principles:

  • Electrode and Electrolyte Interaction:
    • EDLCs consist of two electrodes, typically made of high surface area materials like activated carbon, immersed in an electrolyte.
    • The electrolyte contains ions that can move freely.
  • Double Layer Formation:
    • When a voltage is applied, ions from the electrolyte are attracted to the electrode surfaces with opposite charges.
    • These ions accumulate on the electrode surfaces, forming a very thin layer of charged particles.
    • This layer, combined with the opposite charge on the electrode surface, creates an “electric double layer.” This is similar in concept to a traditional capacitor, but the distance between the “plates” is extremely small.
  • Energy Storage Mechanism:
    • The energy is stored electrostatically within this electric double layer.
    • Unlike batteries, which rely on chemical reactions, EDLCs store energy through the physical accumulation of ions.
    • This electrostatic storage mechanism allows for rapid charge and discharge cycles.
  • Charge and Discharge Process:
    • During charging, ions migrate towards the electrodes, increasing the charge stored in the double layer.
    • During discharging, the ions move back into the electrolyte, releasing the stored energy.
  • Key Characteristics:
    • High surface area electrodes maximize the number of ions that can be stored.
    • The extremely thin double layer results in very high capacitance.
    • The absence of chemical reactions enables a long cycle life.

In essence, EDLCs leverage the physics of ion accumulation to store and release energy quickly and efficiently.

What is the objective of EDLC in embedded system?

The primary objective of using Electric Double Layer Capacitors (EDLCs) in embedded systems is to provide reliable and efficient energy storage and delivery, addressing specific power management challenges that traditional batteries or capacitors may not adequately solve.

EDLCs are particularly valuable in scenarios requiring rapid bursts of power, extended cycle life, and operation in harsh environments. They enhance the overall performance and reliability of embedded systems by ensuring a stable and consistent power supply.

In embedded systems, EDLCs are often employed for applications such as backup power, peak power smoothing, and energy harvesting. For backup power, they can provide short-term energy storage to prevent data loss during power outages or fluctuations. Peak power smoothing helps to stabilize voltage levels and reduce stress on the main power source, improving system stability and longevity. Energy harvesting applications benefit from EDLCs’ ability to store and release energy quickly, making them ideal for intermittent power sources like solar or kinetic energy.

Moreover, EDLCs contribute to the miniaturization and increased efficiency of embedded systems. Their compact size and high power density allow for integration into space-constrained devices. Additionally, their long cycle life and minimal maintenance requirements reduce the overall cost of ownership and improve the sustainability of embedded systems. By addressing power management challenges effectively, EDLCs enable embedded systems to operate more reliably and efficiently in diverse applications.

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