Date: July 2022
What is a Super Capacitor?
Standard capacitors are composed of two metallic plates or electrodes separated by a dielectric substance. When a voltage is applied, electrons accumulate at one of the electrodes, storing the electrical charge.
In the meantime, the dielectric material tucked between the electrodes undergoes a process known as “dielectric polarization,” which contributes to increased capacitance.
Super capacitors operate on the same principles, with the exception that the wedging material is an electrolytic solution rather than a dielectric content. When applied voltage, an “electrical double layer” is formed, which aligns both negative and positive charges along the boundaries of the electrodes and the electrolytic solution.
This location serves as a warehouse for electric charges. Activated carbon is frequently used to increase the size of boundary areas. This is because the capacitance of a super capacitor is proportional to the area of the “electrical double layer.” This activated carbon is a well-known porous material with numerous surface holes that aid in covering a large surface area.
Super capacitors have the same structure as a typical battery for electricity storage due to the electrolytic solution and electrodes. In a battery, chemical reactions occur between the electrolytic solution and the electrodes; however, super capacitors only allow electrons to move between electrodes. Because of these distinctions, the properties of a battery and a super capacitor differ.
What are the benefits of a Super Capacitor?
Charging Time
Charging and discharge times of super capacitors are equivalent to those of conventional capacitors. Considering their low internal resistance, they can obtain significant charge and discharge currents. Batteries can take many hours to fully charge – a cell phone battery is a good example – whereas super capacitors can reach the same charge state in less than two minutes.
Definite Power
The specific energy of a battery or super capacitor is a metric used to evaluate different technologies based on maximum power output divided by total device mass. Super capacitors have a specific power that is 5 to 10 times that of batteries. For example, while Li-ion batteries have a specific power of 1 – 3 kW/kg, a typical super capacitor has a specific power of around 10 kW/kg. This property is particularly important in applications that demand the storage device to release energy in short bursts.
Life Cycle and Safety of a Super capacitor
When treated unfairly, super capacitor batteries are safer than standard batteries. When batteries are short-circuited, they are known to spontaneously combust due to excessive heating; however, super capacitors do not heat up as much due to their low internal resistance.
Super capacitors can be charged and discharged over 15,000 times with minimal degradation, whereas a normal lithium ion battery can only be charged and discharged 300 times or less with the same loss. This makes super capacitors extremely useful in applications requiring frequent energy storage and release.
]]>Date: April 2022
Here at dotmod we strive for continual and ongoing process and product improvements to deliver the highest quality and most enjoyable premium products possible for our customer’s needs. Because of this we have recently released a software update that is intended to resolve the battery detection problems with your dotBox 220W. For more information on this update please reach out to our Customer Service team at customerservice@dotmod.com
* This update is only available for Windows Computers.
Updating your device
The program should recognize the device and you will see STM32 USB IAP appear in the top drop down of the program
Once the update completes you will receive a popup notification of " Download file successfully! " when the device resets the connection
]]>Date: January 2021
Tired of losing your dotmod authenticity card? Starting January 2021 we have now implemented authenticity codes and QR codes to all of the device’s packaging. All new products will ship with the sticker shown below attached to the exterior of the box. Authenticity can also now be verified at https://dotmod.com/pages/auth_check. Follow the instructions as provided on the authenticity check page to verify your device. Have a fake dotmod device? Please report it using the same authentication check page or reach out to us via email at customerservice@dotmod.com
]]>Date: March 2021
Starting March 2021, the dotStick coils (Nord style coils) have received a slight upgrade. The new coil design features a new “single” O-Ring ring (thicker in diameter) at the top of the coil that prevents leaking and vacuum changes in the tank. Along with this O-Ring adjustment, there is also a new cut out at the base of the coil to prevent the positive coil lead from deforming the coil mesh from pressure of the connection causing hot spots and therefore extending the lifespan of the coil.
]]>Date: August 2021
Starting August 21st, 2021, we are happy to announce that we have switched over to a brand new package design for our dotAIO and dotStick coils! The new packaging brings a fresh new design to our dotmod line, while maintaining the dotmod identity. These packaging changes were made for the 5 coil packs as well as the 20 pack case.
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