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Process design and analysis for combined hydrogen regasification process and liquid air energy storage

Author

Listed:
  • Kim, Yeonghyun
  • Qi, Meng
  • Cho, Jaehyun
  • Lee, Inkyu
  • Park, Jinwoo
  • Moon, Il

Abstract

In response to the increasing demand for hydrogen as a clean energy source and the need for a cost-effective and efficient regasification process, this paper proposes an energy-efficient process model that incorporates Liquid Air Energy Storage (LAES). The model aims to utilize the cold energy loss during hydrogen regasification to store cold energy for later use. The study analyzes three different cases in terms of energy efficiency, exergy efficiency, and economic feasibility to establish a benchmark for potential commercialisation of the LAES and hydrogen regasification process integration. The exergy efficiencies of the three cases are 56.0%, 57.0%, and 59.7%, respectively. Furthermore, the Net Present Value (NPV) analysis demonstrates positive financial returns for all three cases, indicating values of 13.14, 32.03, and 38.61 million dollars, thereby affirming the viability of the proposed system as a sustainable and economically feasible energy storage option. Overall, the study provides valuable insights into the design of an energy-efficient integrated hydrogen regasification process that could potentially contribute to the efficient utilization of cold energy and power generation.

Suggested Citation

  • Kim, Yeonghyun & Qi, Meng & Cho, Jaehyun & Lee, Inkyu & Park, Jinwoo & Moon, Il, 2023. "Process design and analysis for combined hydrogen regasification process and liquid air energy storage," Energy, Elsevier, vol. 283(C).
    • Handle: RePEc:eee:energy:v:283:y:2023:i:c:s0360544223024878
    DOI: 10.1016/j.energy.2023.129093
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