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| 1 | Thermodynamic Analysis and Experimental Investigation into Nonflame Combustion Technology(NFCT) with Thermal Cyclic Carrier显示文摘The utilization of fossil fuels causes serious negative impacts on the environment and human life. To mitigate greenhouse gases and other pollutants, a novel combustion process-the nonflame combustion technology with a thermal cyclic carrier of molten salt is introduced. In this technology, a whole combustion is divided into two steps, i.e., the section of producing oxide and the section of combustion. In the first step, oxygen is separated from air, and pure N2 is simultaneously formed which is easily recovered. In the other step, the fuels react with lattice oxygen in the oxides formed in the first step, and at the same time, thermal energy, CO2 and H2O vapor are produced. It is noted that the CO2 is easily separated from water vapor and ultimately captured. Theoretically, there are no environmental-unfriendly gases such as CO2, NOx and SO2 discharged in the whole combustion process. Some metal oxides scattered into molten salts play the roles of oxygen carriers in the combustion system, and they can constantly charge and discharge oxygen element from air to fuels during the combustion process. A nonflame combustion system with Li2CO3+K2CO3+Na2SO4 as the molten salt system, CH4 as the fuel and CuO as the catalyst was experimentally investigated. The experimental results show that the combustion process proceeded as it was theoretically analyzed, and CO2 with a high volume fraction of 77.0%95.0% and N2 with a high volume fraction of 91.9%99.3% were obtained. The high concentration of CO2 is favorable for capturing and storing subsequently. Therefore, the potential of reducing CO2 emissions of this nonflame combustion technology is huge. | HEFang WANGHua DAIYong-nian | 2004 | Chemical Research in Chinese Universities2004，20，5： | 3 |
| 2 | 射频磁控溅射制备纳米晶Ni-Mo催化阴极及其表征显示文摘利用射频磁控溅射方法制备了纳米晶N i-Mo合金薄膜,并将其用作太阳能光电化学制氢的阴极催化膜.采用XRD,EDS,SEM和AFM对膜的晶型、成分、表面形貌以及晶粒尺寸进行了表征.用稳态极化曲线和电化学交流阻抗谱对膜的析氢电化学特性进行了测试.结果表明,在较高的工作压强、较低的衬底温度和较远的靶距下沉积的膜有较好的电化学性能,晶粒的细化以及膜中Mo含量的增加有助于析氢催化活性的提高,在电流密度为100 mA/cm2时析氢过电势为177.7 mV,电化学脱附是膜上析氢反应的控制步骤. | 黄金昭 徐征 李海玲 亢国虎 王文静 | 2006 | 高等学校化学学报2006，27，5： | 3 |
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