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Hydrogen utilization is foreseen in regions, like arid deserts, where water resources are limited, and direct solar irradiance is abundant. Recently, ammonia is being explored as a promising alternative hydrogen carrier. Concentrated solar thermal (CST) systems can harness solar energy for regenerating hydrogen through the catalytic cracking of ammonia. Thus, a laboratory-scale solar tower simulator has been developed for thermo-catalytic ammonia cracking. This chapter discusses (a) the status-quo of solar thermal-based ammonia cracking systems, (b) thermodynamic analyses of a solar tower simulator, (c) waste heat recovery and reuse mechanism, and (d) the use of a secondary collector to increase the overall system efficiency.

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Solar Thermal Heating-based Ammonia Cracking System for Hydrogen Regeneration: Status-Quo and Thermodynamic Analyses

  • 章节

  • 发表日期：

    2026年

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  • Shubham Jaiswal,
  • Deepank Arya,
  • Ashish Thakur,
  • Kuldeep Awasthi,
  • Sandeep Goli,
  • Laltu Chandra

摘要

Hydrogen utilization is foreseen in regions, like arid deserts, where water resources are limited, and direct solar irradiance is abundant. Recently, ammonia is being explored as a promising alternative hydrogen carrier. Concentrated solar thermal (CST) systems can harness solar energy for regenerating hydrogen through the catalytic cracking of ammonia. Thus, a laboratory-scale solar tower simulator has been developed for thermo-catalytic ammonia cracking. This chapter discusses (a) the status-quo of solar thermal-based ammonia cracking systems, (b) thermodynamic analyses of a solar tower simulator, (c) waste heat recovery and reuse mechanism, and (d) the use of a secondary collector to increase the overall system efficiency.