ABSTRACT
In the 2010s, the different product categories of supercapacitors show obvious change with the development of global renewable energy applications and vehicles. A supercapacitor, also known as an ultracapacitor, is an electrical component having greater capacitance and power density than conventional capacitors. Maxwell Technologies' lithium-ion capacitor (LICs) combine ultracapacitors' high power density with lithium-ion batteries' high energy density for onboard ESS. Moreover, the LIC has advantages in the management of lifetime, charging state, safety, setting, and system miniaturization. The management and safety advantages of life-span and charging state are based on the LIC characteristics. The main difference between lithium-ion rechargeable battery (LIBs) and LICs is cathodes. Usually, LIBs use lithium-based oxides as cathodes, while LICs use activated carbon as cathode. As with LIB, the setting of places is limited when very tight temperature management is required. However, if the high temperature durability is excellent, the environmental temperature can be relaxed.
