期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 80, 期 4, 页码 687-690出版社
SPRINGER
DOI: 10.1007/s00339-004-3105-0
关键词
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The potential for using aluminum hydride, AlH3, for vehicular hydrogen storage is explored. It is shown that particle-size control and doping of AlH3 with small levels of alkali-metal hydrides ( e. g. LiH) results in accelerated desorption rates. For AlH3 - 20 mol% LiH, 100degreesC desorption kinetics are nearly high enough to supply vehicles. It is highly likely that 2010 gravimetric and volumetric vehicular system targets ( 6 wt% H-2 and 0.045 kg/L) can be met with onboard AlH3. However, a new, low-cost method of off-board regeneration of spent Al back to AlH3 is needed.
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