Dual Energy Storage for PHEVs, AFST Extreme Hybrid (tm) (Future of Electric Vehicles USA 2010)

Mr Donald Bender, Chief Technology Officer
AFS Trinity Power Corporation
United States
Déc 08, 2010.


AFS Trinity Power Corporation Presentation*
AFS Trinity Power Corporation Audio*

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Presentation Summary

  • Concurrent requirements for high power while minimizing energy storage cost present a difficult tradeoff for PHEV batteries.
  • The existing solutions are costly "power" batteries or oversized "energy" batteries.
  • Lower cost batteries protected by actively controlled ultracapacitors can greatly reduce energy storage cost while improving performance.

Speaker Biography (Donald Bender)

Donald Bender, Chief Technology Officer CTO of AFS Trinity Power Corporation , heads the Livermore technology & Engineering Group developing and perfecting the XH drive-train, including advanced hybrid system architecture & Fast Energy Storage systems that employ ultracapacitors and/or high speed flywheels. Mr. Bender also leads flywheel technology development encompassing high-speed composite rotors, ultra high power, compact permanent magnet motor/generators, magnetic bearings, and compact power & control systems. Prior to joining AFST Bender was Group Leader at Lawrence Livermore National Laboratory, (LLNL), where he worked closely with Dr. Richard Post. He also spent twelve years in the Laser Program at LLNL, including the use of laser photo-ionization to enrich uranium at plant scale, and was responsible for numerous special projects developing advanced opto-mechanical components and high-speed bearings. Bender holds four US patents, two applications, and authored or co-authored five new provisional patent applications for the Extreme Hybrid' drive train in 2005. Mr. Bender received BS and MS degrees in Mechanical Engineering at the Massachusetts Institute of Technology (MIT).

Company Profile (AFS Trinity Power Corporation)

AFS Trinity Power Corporation logo
AFS Trinity Power Corp was created by a 2001 merger of American Flywheel Systems (AFS) and Trinity Flywheel Power (Trinity) which were incorporated in 1991 and 1993, respectively. Headquartered in Bellevue, Washington with an engineering center in Livermore, California, the company develops Fast Energy Storage for vehicular, spacecraft and stationary power systems based on batteries, ultracapacitors, and flywheels. The company has conducted programs with private and government organizations including DARPA, NASA, the U.S. Navy, U.S. Army, U.S. DOT, California Energy Commission, Oak Ridge National Laboratory, Lawrence Livermore National Laboratory, Lockheed, Honeywell, and Ricardo.
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