Experiment assessment of hydrogen production from activated aluminum alloys in portable generator for fuel cell applications
Experiment assessment of hydrogen production from activated aluminum alloys in portable generator for fuel cell applications
复制标题
燃料电池应用便携式发电机中活性铝合金制氢的实验评估
DOI：
10.1016/j.energy.2010.03.023
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发表时间：
2010-07-01
期刊：
影响因子：
9
通讯作者：
Xu, Fen
中科院分区：
文献类型：
--
作者：
Fan, Mei-qiang;Sun, Li-xian;Xu, Fen
研究了便携式燃料电池制氢装置中活化铝合金制氢的实验评价。高活性Al-Bi-NaCl合金（铝、铋和NaCl颗粒的研磨物的缩写）的最佳氢容量约为9- 9.4wt.%，达到目标（9重量%）2015年，美国能源部。制氢速率可通过控制发生器内的水流量来控制，水流量在5-20 mL/min范围内时，制氢速率为1.369-6.198 L/min，水流量较大时，铝合金与水的水解反应释放15 kJ/g的热量，导致发生器内温度较高，不安全。然而，通过使用有效的冷却方式，可以成功消除热问题，使Al-H2O混合物达到最高温度实验结果表明，即使水流量为20 mL/min，铝合金在水中的水解产物的缩写也控制在474 K以下。因此，用于燃料电池应用的高氢容量和安全氢。(C)2010爱思唯尔有限公司保留所有权利。
An experiment assessment of hydrogen production from activated aluminum alloy in portable hydrogen generator for fuel cell applications was investigated. The optimum hydrogen capacity of the high-reactive Al-Bi-NaCl alloys (the abbreviation of milled material of aluminum, bismuth and NaCl particles) is about 9-9.4 wt.%, meeting the targets (9 wt.%) of the US Department of Energy in 2015. Hydrogen production rate can be controlled via controlling the water flow rate in the generator, being 1.369-6.198 L hydrogen/min while the water flow rate ranges in 5-20 mL/min. The larger water flow rate often leads to higher temperature and results in unsafety in the generator as the hydrolysis reaction of aluminum alloy and water releases 15 kJ/g heat. However, the heat problem can be successfully eliminated by using effective cooling stytles, which enable the maximum temperature of Al-H2O mixture (the abbreviation of hydrolysis products of aluminum alloy in water) controlled less than 474 K even though the water flow rate is 20 mL/min. Therefore, the experiment results show that the portable hydrogen generator from aluminum alloy could supply the CO2-free, high hydrogen capacity and safe hydrogen for fuel cell applications. (C) 2010 Elsevier Ltd. All rights reserved.