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In the last time, the power supplies issues of electronic circuits had become an important issues, especially for mobile devices. The use of classical or Li-ion batteries in the industry, mainly utilized in storage systems, is not a viable solution because these devices, after 2–3 years, lose their ability to store electricity and the materials employed are polluting, even banned in some countries...
Electric Double Layer Capacitors (EDLCs) are relatively new electronic components developed in the late 1980s; their operation is based on a Helmholtz double layer of charge formed on an activated carbon surface (of high equivalent surface) and an electrolyte. The advantages of this constructive solution are a very small capacitive distance and large effective capacitive area, leading to remarkably...
The supercapacitor is a relatively young electronic component which bases its operation on the principle of the Helmholtz double layer of charge formed on the surface of an activated carbon (with an extremely high equivalent surface) and an electrolyte which allows both a short distance between the electric layers as well as a very large useful area. For optimal use of an EDLC (Electrochemical Double...
Supercapacitors, also known as EDLC (Electric Double Layer Capacitor), are passive components with exponential accumulation of electrical charge. This paper presents the characteristics of EDLC depending on the materials used in their construction. Thus, using different materials for the electrodes and/or for the electrolyte can influence EDLC performance. The most common electrode is carbon based...
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