Maxwell Technologies and Argonne National Lab to Collaborate on Testing Ultracapacitor/Lithium-Ion Battery Combination for Hybrid Vehicles
15 May 2007
Maxwell Technologies, Inc. will supply ultracapacitor cells and integration kits to the US Department of Energy’s Argonne National Laboratory for a collaborative research project to assemble and evaluate an integrated ultracapacitor/lithium-ion battery energy storage system for hybrid-electric and plug-in hybrid vehicles.
Argonne will provide batteries and power electronics, and design and fabricate the integrated energy system for installation in the Hardware-in-the-Loop (HIL) of the Advanced Powertrain Research Facility (APRF) in Argonne’s Center for Transportation Research. APRF’s primary focus is technology validation and benchmark testing for advanced vehicles and their supporting subsystems.
Argonne and Maxwell have agreed on an active parallel system configuration that will combine a standard lithium-ion plug-in hybrid battery with a string of 112 of Maxwell’s BOOSTCAP BCAP0650 P270 650-farad ultracapacitor cells, along with appropriate power electronics and cooling and safety-related features. The system will undergo HIL validation during the summer of 2007.
We are intrigued with ultracapacitors’ rapid charge/discharge capabilities and their ability to handle the heavy cycling involved in regenerative braking, torque assist and other demands on energy storage systems for hybrid-electric and plug-in hybrid vehicles.—Dr. Don Hillebrand, director of Argonne’s Center for Transportation Research
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