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This chapter discusses the principles, technologies and engineering applications of hydrogen-rich liquid compounds (HRLCs) serving as hydrogen carriers. Liquid organic hydrogen carriers (LOHCs) are introduced as a class of organic molecules such as benzene-based compounds that can absorb and release hydrogen through chemical reactions under catalysis. While liquid ammonia (NH3) and methanol (CH3OH) are nowadays pinpointed in practice showing high gravimetric hydrogen storage capacities through catalytic cracking and hydrogenation reactions. Moreover, typical LOHCs are exemplified to release additional hydrogen molecules from water by steam reforming. In addition, this chapter also analyzes the cost of the hydrogen refueling processes (synthesis of H18-DBT, NH3, CH3OH) and depicts the challenges and prospects of organic liquids, liquid ammonia, and methanol in engineering applications.

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Hydrogen Storage and Transportation Technologies Using Hydrogen-Rich Liquid Compounds

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  • 发表日期：

    2025年

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  • Jianxin Zou

摘要

This chapter discusses the principles, technologies and engineering applications of hydrogen-rich liquid compounds (HRLCs) serving as hydrogen carriers. Liquid organic hydrogen carriers (LOHCs) are introduced as a class of organic molecules such as benzene-based compounds that can absorb and release hydrogen through chemical reactions under catalysis. While liquid ammonia (NH3) and methanol (CH3OH) are nowadays pinpointed in practice showing high gravimetric hydrogen storage capacities through catalytic cracking and hydrogenation reactions. Moreover, typical LOHCs are exemplified to release additional hydrogen molecules from water by steam reforming. In addition, this chapter also analyzes the cost of the hydrogen refueling processes (synthesis of H18-DBT, NH3, CH3OH) and depicts the challenges and prospects of organic liquids, liquid ammonia, and methanol in engineering applications.