Journal
JOURNAL OF POWER SOURCES
Volume 259, Issue -, Pages 276-281Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2014.02.099
Keywords
Fuel cells; Portable; Wearable; Military; Alane; Methanol
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A number of fuel cell systems have been recently developed to meet the U.S. Army's soldier power requirements. The operation and performance of these systems are discussed based on laboratory results and limited soldier evaluation. The systems reviewed are primarily intended for soldier use in an austere environment with minimum access to resupply and vehicular transportation. These applications require high power and energy density sources that are portable (300 W) and wearable (20 W) to minimize the soldier's load burden. Based on soldier field evaluations of portable fuel cell systems, improvements in power density and compatibility with logistical fuels are required to be successfully deployed. For soldier worn applications, a novel chemical hydride system has shown significant advances in power and energy density while maintaining a small form factor. The use of a high energy dense fuel cartridge (800 Wh kg (-1)) based on AlH3 (Alane) thermolysis, allows a power density of (28 W kg(-1)) which offers promising weight savings compared to the standard military batteries. Published by Elsevier B.V.
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