Ultracapacitors
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What is a Ultracapacitor?
A Ultracapacitor is a high-capacity capacitor with capacitance values much higher than other capacitors (but lower voltage limits) that bridge the gap between electrolytic capacitors and rechargeable batteries. They typically store 10 to 100 times more energy per unit volume or mass than electrolytic capacitors, can accept and deliver charge considerably faster than batteries, and withstand many more charge and discharge cycles than rechargeable batteries.
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How it’s made?
Ultracapacitor are constructed with two metal foils (which serve as current collectors), each covered with an electrode material such as activated carbon, which serve as the power connection between the electrode material and the external terminals of the capacitor. Specifically, to the electrode material is a very large surface area. The electrodes are kept apart by an ion-permeable membrane (separator) used as an insulator to protect the electrodes against short circuits. This construction is subsequently rolled into a cylindrical or rectangular shape and can be stacked in conductive container. The cell is then infused with a liquid or viscous electrolyte of organic or aqueous type. The electrolyte, an ionic conductor, enters the pores of the electrodes and serves as the conductive connection between the electrodes across the separator.
Ultracapacitors use many different names
Ultracapacitors over the years have grown into there own lingo over the years. Ultracapacitor were originally called EDLC which stands for Electric Double Layer Capacitor. It has grown into being called a Ultracapacitor, Ultracapacitor as well as EDLC. These are all the same type of capacitor but with a different names. We will be using these names through out the website. If there is anything you do not quiet understand please feel free to ask us any questions through anyone of our contact forms and we will get back to you within 24-48 hours.
Vina Pulse Capacitor
Hybrid Capacitors now offer Higher voltage and lower Self discharge characteristics
VINATech has launched a new family of 3.8 volt cost effective, Hybrid Super Capacitors, with ultra- low Leakage Current.
Features of VPC Capacitor
- Low Self Discharge
- Wide Operating Temperature Range
- High Operating Voltage
- High Capacitance
EDLC Technology is continually being developed and enhanced by VINATech’s R&D Team and this has led to the new VPC series which has been developed utilizing standardized EDLC production processes to reduce the cost effect of this advanced technology. The VPC series, an environmentally friendly Hybrid Lithium Capacitor family, has been developed to reduce costs against more expensive Pulse Battery technologies whilst offering significantly lower ESR with longer life, wider temperature ranges and higher discharge currents from similar sizes and comparable Battery based technology.