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首页> 外文会议>HT2008;ASME summer heat transfer conference >Simultaneous Production of Hydrogen and CNTs by In-Liquid Plasma, and Its Discharge Characteristics
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Simultaneous Production of Hydrogen and CNTs by In-Liquid Plasma, and Its Discharge Characteristics

机译：液相等离子体同时生产氢和碳纳米管及其放电特性

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The plasma in liquid is generated by applying High-Frequency (HF) irradiation of 27.12 MHz or Microwave (MW) irradiation of 2.45 GHz from an electrode, namely, a monopole-antenna electrode inserted into a reactor vessel, n-dodecane, methanol, and water are used as test liquids. The glow discharge plasma can be kept in spite of atmospheric pressure due to the cooling effect of liquid itself. The light emission from the plasma changes substantially according to the behavior of the bubble. The present Chemical Vapor Deposition (CVD) process also enabled simultaneous production of hydrogen gas and the synthesis of the Carbon Nano-Tubes (CNTs) in hydrocarbon liquids. The actual production of hydrogen per unit energy by this process corresponds to approximately 1% of that by conventional steam reforming method and about 32% of that by the alkaline water electrolysis. Moreover, this process can make the solid carbon of about 14 g/h at the same time.
机译：液体中的等离子体是通过将27.12 MHz的高频（HF）辐射或2.45 GHz的微波（MW）辐射从电极（即插入反应容器中的单极天线电极），正十二烷，甲醇，和水用作测试液体。由于液体本身的冷却作用，即使在大气压下也可以保持辉光放电等离子体。来自等离子体的光发射基本上根据气泡的行为而改变。本化学气相沉积（CVD）工艺还使得能够同时生产氢气和在烃液体中合成碳纳米管（CNT）。通过该方法，每单位能量的氢的实际产生量相当于常规蒸汽重整方法的约1％，而碱性水电解产生的约32％。而且，该方法可以同时制造约14g / h的固体碳。

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