Application of acidic accelerator for production of pure hydrogen from NaBH4

Application of acidic accelerator for production of pure hydrogen from NaBH4
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酸性促进剂在NaBH4制纯氢中的应用

DOI:
10.1007/s40090-014-0015-7
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发表时间:
2014
影响因子:
2.4
通讯作者:
Abdul-Majeed W
Abdul-Majeed W
中科院分区:
--
文献类型:
--
作者:
Abdul-Majeed W

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研究了使用盐酸(HCl)作为船上硼氢化钠(NaBH4)制氢加速剂的可行性。目的是检查工艺效率、氢气纯度和工艺可控性,以符合 2015 年车辆燃料电池系统应用的储氢目标 (5.5 wt%)。结果表明,采用 HCl (3 M) 和 30% NaBH4 碱性水溶液通过 T 形接头进行船上反应并采用两级气液分离,可以获得最高的产率和可控的产氢速率。成本评估和产品流分析表明,所检查的方案具有卓越的性能,并且适用于为车辆电化学燃料电池系统供电。
Feasibility of using hydrochloric acid (HCl) as an accelerator for onboard production of hydrogen from sodium borohydride (NaBH4) is investigated. The aim was to examine process efficiency, hydrogen purity and process controllability which concurs onboard 2015 hydrogen storage target (5.5 wt%) for vehicular fuel cell system application. Results showed that a highest yield and controllable hydrogen production rate are achievable upon adopting onboard reaction of HCl (3 M) and an aqueous alkaline solution of 30 % NaBH4via a T-junction and applying a gas–liquid separation of two stages. Cost evaluation and product stream analysis have demonstrated an exceptional performance for the examined scheme and relevancy to be adopted for feeding vehicular electrochemical fuel cell systems.
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