Generally, hydrogen storage is the storage of a chemical substance. Yet, it is also often proposed and discussed as a form of energy storage. Since many technologies for the storage of hydrogen involve a chemical conversion anyway, it is reasonable to consider skipping the backwards conversion to release hydrogen again. If hydrogen is converted, e.g., by a chemical reaction into a hydrocarbon, it is reasonable to directly combust this hydrocarbon. Such approaches open new routes for the utilization of hydrogen energy. The applied technologies are introduced and a comparison of storage options with recovery of elemental hydrogen is presented.

中文翻译：

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储氢技术。第2部分：不可逆转换和比较

通常，氢存储是化学物质的存储。然而，它也经常作为能量存储的形式被提出和讨论。由于许多用于存储氢的技术无论如何都涉及化学转化，因此考虑跳过向后转化以再次释放氢是合理的。如果氢例如通过化学反应转化成烃，则直接燃烧该烃是合理的。这些方法为利用氢能开辟了新途径。介绍了所应用的技术，并比较了存储方式和元素氢的回收率。