In response to the growing trend of greenhouse gas emissions from the production and use of conventional fuels, CO free hydrogen generation is introduced as an alternative and efficient energy carrier. Due to hydrogen’s storage challenges, is more efficient to be produced by other chemical compounds for fuel cell applications. This work outlines the production of hydrogen (H) from ammonia (NH) and hydrous hydrazine (NH·HO) catalytic decomposition. Both substances are giving nitrogen (N) as a by-product, which is not toxic. Moreover, heterogeneous catalysts that were studied through the years are presented. Lastly, a reactoristic view of the ammonia decomposition is provided with different reactors such as catalytic membrane reactors (CMRs), fixed-bed reactors (FBRs) and micro-reactors (MRs) for the evaluation of their performance.

中文翻译：

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氨水合肼分解制氢研究进展：多相催化剂综述

为了应对传统燃料生产和使用中温室气体排放不断增长的趋势，无二氧化碳氢气发电作为一种替代高效能源载体被引入。由于氢的存储挑战，通过其他化合物生产氢用于燃料电池应用的效率更高。这项工作概述了氨 (NH) 和水合肼 (NH·H2O) 催化分解生产氢气 (H)。这两种物质都会产生氮 (N) 作为副产品，氮是无毒的。此外，还介绍了多年来研究的多相催化剂。最后，提供了不同反应器（例如催化膜反应器（CMR）、固定床反应器（FBR）和微反应器（MR））的氨分解反应视图，以评估其性能。