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Electric Hybrid Energy Storage Systems

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Abstraction
The energy storage technology is quite important for electric hybrid vehicles and pure electric vehicles due to requirement of more power and more efficient with minor compromise on weight and volume. The challenge for developing more advanced energy storage system is capacity or energy density and specific power cannot be achieved at the same time. More specific power means less energy density, and vice versa. The supercapacitor Li-ion hybrid energy storage system has both advantages of these two kinds of energy storage technology. It has high energy density as well as high specific power. The paper will introduce about this hybrid energy storage system, discuss about its advantages and drawbacks, and compare this system with other kinds of energy storage systems.
Keywords: Supercapacitor, Lithium-ion battery, hybrid energy storage system 1. Introduction
Currently, electric hybrid vehicles and pure electric vehicles attract more and more people’s attention. The benefits of electric hybrid vehicles and pure electric vehicles are less fuel cost, less emissions, less maintenance etc. But there are still many drawbacks such as higher price, less space in electric hybrid vehicles, require recharging everyday on plug-in hybrids and pure electric vehicles, limited mileage per recharging in pure electric vehicles etc. There are many engineering challenges along with these drawbacks. One of them is energy storage technology. In recent electrified automotive markets,

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