Mr. Heinz-Harald Frentzen, ex-Formula One (F1) racer and champion, and Gumpert Sportwagenmanufaktur GmbH plan to enter a hybrid electric version of the Apollo supercar powered by a lithium-ion battery solution from Lithium Technology Corporation (LTC) into this year’s Nürburgring 24 hour race (ADAC Zurich 24h-Rennen), 22-25 May 2008.
|The Gumpert Apollo.|
The battery will be charged prior to the race and recoup energy from braking during the race, in a mode that resembles a plug-in hybrid electric operation (PHEV). The electric range of the vehicle will be 50 kilometers, and plans are to double it in the near future.
The hybrid Apollo will use a 3.3-liter V8 bi-turbo gasoline engine with a 100 kW electric motor. The 9kWh GAIA battery pack will comprise 90 high power 27Ah cells connected in series and will weigh about 190 kilograms. The battery will include an advanced battery management system (BMS) that will transmit battery performance data via satellite for monitoring and enhance performance control of the technical team.
The large-format 3.6V, 27 Ah GAIA cells have a specific energy of 100 Wh/kg and energy density of 264 Wh/L; with specific power (30 s pulse discharge) of 950 W/kg and a power density (30 s pulse discharge) of 2,100 W/L. Cycle life at 20°C and 100% DOD is 400 cycles to 80% nominal capacity.
LTC manufactures a range of cells with two different types of chemistries, iron-phosphate and nickel-cobalt.