1. Team 10: Battery Supercapacitor Hybrid System KELD LLC

2. Problem High Gas PricesHigh Gas Prices Hybrid Electric Vehicles (HEVs) not up to parHybrid Electric Vehicles (HEVs) not up to par Battery is not capable of high power demandBattery is not capable of high power demand

3. Objective To design and develop a battery-supercapacitor hybrid system

4. Specifications 1kW Pulse Load for 18sec every 2minutes1kW Pulse Load for 18sec every 2minutes Lithium Ion batteryLithium Ion battery SupercapacitorSupercapacitor

5. Design Objectives Design a battery to provide the average power to the load for at least 20 minutes. Design a battery to provide the average power to the load for at least 20 minutes. Design a supercapacitor to provide the pulse power to the load.Design a supercapacitor to provide the pulse power to the load. Design and build a hybrid structure (or circuit configuration) of the battery and supercapacitor to provide needed power to the load.Design and build a hybrid structure (or circuit configuration) of the battery and supercapacitor to provide needed power to the load. Design and build a programmable load to simulate the pulsating load.Design and build a programmable load to simulate the pulsating load. Test and demonstrate the hybrid energy storage system to prove that the constant power is from the battery and the pulse power of the load is from the supercapacitor.Test and demonstrate the hybrid energy storage system to prove that the constant power is from the battery and the pulse power of the load is from the supercapacitor. Provide final report and suggestions to improve/optimize the systemProvide final report and suggestions to improve/optimize the system

7. Lithium Polymer Battery

8. Evolution of the Battery/Supercapacitor Hybrid System System 2 System 1 System 3System 4 - 51.8 Volts - 5 x 165F Modules - 905 Farads Total - 51.8 Volts - 56 Li-Po Cells - 4 PCMs - 51.8 Volts - 28 Li-Po Cells - 2 PCMs - 2 x 165 F Modules - 330 Farads Total - 51.8 Volts - 14 Li-Po Cells - 1 PCM - 85 Farads Total - 3 Solid-State Relays - 1 Digital Relay Controller