Application Simulation of Power System of NiCo2O4//GO Asymmetric Supercapacitor Electric Vehicle
The electrochemical performance of NiCo2O4 electrode was tested.The results show that the ac-tive material of NiCo2O4 electrode is stored by quasi-reversible redox reaction and has good electrochemical performance.Then,the discharge process of asymmetric supercapacitor was simulated by Simulink,and the driving process of electric vehicle with supercapacitor and lithium-ion battery compound energy storage system was simulated by AVLCRUISE.The results show that the maximum battery power is 38.0 kW,the driving time is 4.9 h,and the driving range is 224.4 km under the WLTC cycle condition.Compared with the single lithium-ion battery energy storage system,the maximum battery power is reduced by 31.3%,and the driving range is increased by 11.4%.Supercapacitors play a role in balancing battery pow-er and improving driving range in electric vehicles with compound energy storage system.
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