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中文摘要：
本文提出一种利用150—300℃中低温太阳能驱动的甲醇-水重整反应制氢的新方法，该方法操作温度远低于其他太阳能热化学制氢方式。在5kW抛物槽式太阳能集热器、吸收／反应器上对制氢关键过程进行了实验研究。实验结果表明：甲醇转化率可达90％以上，产物氢气浓度为66％-74％；1mol甲醇制氢量可达2．90mol，接近理想状态3mol；基于能量品位的概念，深入分析了这一过程的能量转换机理；并对制氢成本进行了初步分析。本文的研究成果为高效利用中低温太阳热能与低能耗、低成本制氢提供一条新途径。
英文摘要：
A novel approach for solar hydrogen production was proposed which integrated Methanol Steam Reforming（MSR） and mid-and-low temperature solar thermal energy. The operating temperature is much lower than that of other solar thermochemcial hydrogen production. The key process was experimentally investigated on a 5 kW parabolic trough solar collector and a receiver/reactor. As a result, methanol conversion can reach more than 90%, the volumetric concentration of H2 in the gas products was in the range of 66%-74%. Hydrogen production per unit methanol can be 2.90 mol, which approached to the ideal condition of 3.0 mol. Also, its mechanism of energy conversion based on the energy level was systematically investigated. Furthermore, the preliminarily economic cost for the mid-and-low temperature solar hydrogen production was evaluated. The promising results obtained in this study can offer an excellent opportunity for cost-effective hydrogen production with low energy consumption and high-efficiency utilization of mid-and-low temperature solar thermal energy.
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