HYDROGEN: NO PRESSURE, NO CHILL

Stevie Knight

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HYDROGEN: NO PRESSURE, NO CHILL

机译：氢气：无压力，无冷气

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Hydrogen has long been billed as the clean, green saviour of our industry: not surprising since it has a gravimetric energy density around three times that of gasoline and - if it's created from a renewable source - meets the zero-carbon criteria. But, while it's a very efficient form of fuel taken by weight, in its natural state it takes up a lot of space: H2 has the lowest specific volumetric density of all the elements. Unfortunately, compression to the standard 300bar still doesn't make it a realistic alternative to liquid fuels, while freezing it to -253℃ consumes a lot of energy and requires cryogenics for transport and storage. In short, it's either big and bulky, or expensive and not so easy to handle.

机译：长期以来，氢气一直被称为我们行业的清洁，绿色救星：这并不奇怪，因为它的重量能量密度约为汽油的三倍，并且（如果它是由可再生资源产生的）满足零碳标准。但是，尽管它是按重量计的非常有效的燃料形式，但在自然状态下它会占用大量空间：H2具有所有元素中最低的单位体积密度。不幸的是，压缩至标准300bar仍不能使其成为液体燃料的实际替代品，而将其冷冻至-253℃会消耗大量能量，并且需要低温进行运输和存储。简而言之，它既大又笨重，或者价格昂贵，而且操作起来并不容易。

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《The Motor ship》 |2019年第1168期|20-22|共3页
作者
Stevie Knight;
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收录信息美国《工程索引》(EI);
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正文语种 eng
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2. Selective modification of cytoplasmic membrane fluidity by catalytic hydrogenation provides evidence on its primary role in chilling susceptibility of the blue‐green alga, Anacystis nidulans [J] . Gombos Zoltaacute, n, Jooacute, FEBS Letters . 1985,第2期

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3. Modulation of membrane fluidity by catalytic hydrogenation affects the chilling susceptibility of the blue‐green alga, Anacystis nidulans [J] . Jooacute, F., Vigh L. FEBS Letters . 1983,第2期

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HYDROGEN: NO PRESSURE, NO CHILL

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