Fuel Cell Power System with Parallel-Connected Bi-directional DC-DC

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA8650-04-M-2441
Agency Tracking Number: F041-194-0337
Amount: $99,999.00
Phase: Phase I
Program: SBIR
Awards Year: 2004
Solicitation Year: 2004
Solicitation Topic Code: AF04-194
Solicitation Number: 2004.1
Small Business Information
825 S. Myrtle Avenue, Monrovia, CA, 91016
DUNS: 058024456
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Omourtag Velev
 Fuel Cell Manager
 (626) 357-9983
 velev@aerovironment.com
Business Contact
 Jerry Cleveland
Title: Director, Contracts & Legal Affairs
Phone: (626) 357-9983
Email: cleveland@aerovironment.com
Research Institution
N/A
Abstract
Satellite platforms require lightweight, highly reliable energy production and storage systems to maximize payload power and performance. The regenerative fuel cell (RFC) system is a promising electrochemical technology that has a high specific energy on the order of 550Wh/kg. An RFC system in hybrid configuration with a battery requires a specialized bi-directional DC-DC converter to protect the fuel cell, control the flow of power to and from the battery, and stabilize the DC bus. The proposed Phase I effort will investigate the feasibility of developing a complex DC-DC converter for satellite RFC/battery hybrid system applications. The DC-DC converter must have a high conversion efficiency, low weight, low volume and sophisticated control scheme to minimize the RFC system specific energy. The control scheme in particular must regulate the system under a variety of conditions, yet protect system components. AeroVironment will overcome the many technical challenges with experience gained developing a high altitude RFC system for NASA's ERAST program, conducting other fuel cell integration projects and designing many DC-DC converters. By demonstrating feasibility, we will assist the Air Force to develop efficient energy production and storage systems for satellites and other space platforms for station-keeping and powering large payloads.

* Information listed above is at the time of submission. *

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