The Department of Defense gets its green on with the All Electric Combat Vehicle (AECV).
Defense Tech Briefs reports that current research is focusing on developing battery capacity that can power a variety of military vehicles. Big DoD research contracts will help push forward vehicle and battery technology. Battery design is also moving forward for DoD hybrid electric vehicles as part of future combat and tactical platforms.
Unlike present vehicle designs, the energy storage requirements for military vehicles are much greater than those for a Prius. In military vehicles, energy storage is required for silent watch and silent mobility applications for a variety of vehicle sizes. Sometimes vehicle operations have to be conducted independently of an internal combustion power source. Both high power and high energy capacity are critical for mission implementation and must be delivered from the battery pack. Imagine moving an up-armored personnel carrier with just a stack of D-cells. Also required are battery cooling (a problem in the early electric Tesla roadsters) and electronic controls. When those problems are solved, add in special requirements for space and weight.
Future combat vehicles in the United States and other nations are expected to include hybrid electric platforms, not just because they are more efficient, but because hybrids offer a combination of payoffs that have the potential to provide expanded mission capabilities in both peace time and war time. The application of hybrid electric vehicles, and AECVs, is pushing battery design into new and challenging territories. The dual use of batteries for consumer vehicles makes this research a win-win for both the DoD and EcoGeeks.
Some information above is from:
“Battery Systems for DoD Applications.” Briefing presented to the Committee on Assessment of Combat Hybrid Power Systems, National Research Council, San Jose, Calif.
written by Sanook, October 25, 2007
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