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Will the supercapacitor become the main energy source for the future?
2016-08-24
来源：转载自第三方
24 August 2016
With the growing shortage of oil resources, more and more serious pollution after the exhaust emissions, the development of a new energy that can replace the internal combustion engine is imminent. As a new type of energy storage components, compared with the traditional chemical battery, supercapacitor has the advantages of high power, long life, large capacity and other excellent features, whether it can completely replace the traditional chemical batteries in the future?
Super capacitor, also known as Farah capacitors, gold capacitors, double electric layer capacitors, is a new energy storage components. Super capacitor is between the battery and the ordinary capacitor, it can not only high current fast charge and discharge, but also energy storage. PEDOT is an ideal electrode material for supercapacitors due to its high conductivity, good electrochemical activity, mechanical stability, low band gap and low oxidation potential. However, the performance of stretchable supercapacitors based on PEDOT as active electrode materials is still subject to improvement due to polymerization and loading methods. Recently, researchers have proposed a method for PEDOT modification of stretchable fabrics, and a capacitor with stable tensile properties has been constructed.
Super capacitor power density is up to 2 to 30 times that of lithium batteries; charge and discharge time is short, charging 10 seconds to 10 minutes can reach more than 95% of its rated capacity; long cycle life, the depth of charge and discharge can be recycled up to hundreds of thousands of times; wide operating temperature range; simple charge and discharge lines; failure open circuit, safe and reliable, is both capacitor and battery characteristics of the new components. It can be used in generation storage, emergency lighting systems and high-power electrical pulse equipment of hybrid cars, mobile power, solar, wind, fuel cell and other power.
Of course, the super capacitor also has some shortcomings. Its installation location is more stress, it is easy to cause electrolyte leakage if unreasonable, and damage the structural performance; it limited to the use of DC circuit; the price is relatively high, the input cost of actual operation is high. These problems make the super capacitor difficult to promote a large number in the application of electric vehicles. In the short term, due to the limitations of super capacitors, in addition to electric bus, it does not have conditions as a universal, independent vehicle energy storage.
Oil energy is coming to an end, chemical batteries and super capacitor technology research is a hot front, are not only supported by national policy, but also the majority of people's attention. But these two technologies also have their own advantages and disadvantages, and now a lot of related research are still remain in the laboratory stage, has not been widely used. We expect them to have more practical use. Whether the supercapacitor can completely occupy the future energy market, let us see, perhaps the combination of the two will lead the future of the energy market.
Related links: EDOT
Edited by Suzhou Yacoo Science Co., Ltd.
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