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首页> 外文期刊>Energy Conversion & Management >Hydrogen production from homocyclic liquid organic hydrogen carriers (LOHCs): Benchmarking studies and energy-economic analyses
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Hydrogen production from homocyclic liquid organic hydrogen carriers (LOHCs): Benchmarking studies and energy-economic analyses

机译：同种型液体有机氢载体（LOHCS）的氢气产生：基准研究和能源经济分析

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摘要

The construction of a cost-effective hydrogen infrastructure is needed to perpetuate the deployment of the hydrogen economy. Liquid organic hydrogen carriers (LOHCs), generally possessing a hydrogen storage capacity of 6-8 wt%, can store a large volume of hydrogen for an extended period at ambient temperature and pressure. LOHCs are also highly compatible with conventional petroleum production and transport infrastructure. The proper selection among strong LOHC candidates is of paramount importance; hence, benchmarking studies are required for a fair comparison. Herein, the dehydrogenation characteristics of different homocyclic (CxHy-) LOHCs are studied in a high-throughput screening system with continuous fixed-bed reactors. Four homocyclic LOHCs, including methylcyclohexane, hydrogenated biphenyl-based eutectic mixtures, perhydromonobenzyltoluene, and perhydro-dibenzyltoluene, are dehydrogenated using a 0.5 wt% Pt/Al2O3 heterogeneous catalyst under the identical test protocol for comparative analysis. We further discuss post-mortem analyses on the used catalyst, physicochemical properties of LOHCs, energy analysis, and economic assessment of a maritime transport scenario for each LOHC, suggesting a future strategy to promote the practical use of homocyclic LOHCs.
机译：需要构建成本效益的氢基础设施，以使氢经济的部署延续。液体有机氢载体（LOHC），通常具有6-8wt％的储氢容量，可以在环境温度和压力下延长一段延长的氢气。 LOHC也与传统的石油生产和运输基础设施高度相容。强大的LOHC候选人的正确选择是至关重要的;因此，公平比较需要基准研究。这里，在具有连续固定床反应器的高通量筛选系统中研究了不同同种环（CXHY-）LOHC的脱氢特性。在相同的试验方案下，使用0.5wt％Pt / Al2O3非均相催化剂进行比较分析，四种同种氰基己烷，包括甲基环己烷基氢化的联苯基的共晶混合物，水卤苯苄基甲苯和受机氢二苄基甲烯。我们进一步讨论了对每种LOHC的催化剂，能源分析和海上运输情景的催化剂，能量分析和经济评估的验证后的验尸分析，建议未来促进同种环邮政的实际使用的策略。

著录项

  • 来源
    《Energy Conversion & Management》 |2021年第7期|114124.1-114124.14|共14页
  • 作者

    Kwak Yeonsu; Kirk Jaewon; Moon Seongeun; Ohm Taeyoon; Lee Yu-Jin; Jang Munjeong; Park La-Hee; Ahn Chang-il; Jeong Hyangsoo; Sohn Hyuntae; Nam Suk Woo; Yoon Chang Won; Jo Young Suk; Kim Yongmin;

  • 作者单位

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea|Korea Univ Sci & Technol KIST Sch Div Energy & Environm Technol Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea|Korea Univ Sci & Technol KIST Sch Div Energy & Environm Technol Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea|Korea Univ Sci & Technol KIST Sch Div Energy & Environm Technol Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea|Korea Univ Green Sch Anam Ro 145 Seoul 02841 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea|Kyung Hee Univ KHU KIST Dept Converging Sci & Technol 26 Kyungheedae Ro Seoul 02447 South Korea|Korea Univ Sci & Technol KIST Sch Div Energy & Environm Technol Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea;

    Korea Inst Sci & Technol KIST Ctr Hydrogen & Fuel Cell Res 5 Hwarang Ro 14 Gil Seoul 02792 South Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Dehydrogenation; Liquid organic hydrogen carriers (LOHCs); Methylcyclohexane; Biphenyl; Monobenzyltoluene; Dibenzyltoluene;

    机译：脱氢;液体有机氢载体（LOHC）;甲基环己烷;联苯;单苄基甲苯;二苄基甲苯;

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