Dynamic Modeling of Gasbag-Structured Compressed Supercritical Carbon Dioxide Energy Storage

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

To mitigate the adverse effects of high-penetration renewable energy, large-scale, long-duration energy storage systems (LSLD-ESSs) have gained significant attention. Currently, feasible LSLD-ESSs, such as pumped hydro energy storage (PHES) and compressed air energy storage (CAES), face limitations due to specific terrestrial constraints. To address these challenges, gasbag-structured compressed supercritical carbon dioxide energy storage (G-CSCES) has been developed. However, existing studies primarily focus on exergoeconomic optimization, and current cavern-structured CAES models are not applicable to G-CSCES, hindering its use for ancillary services. This letter proposes a comprehensive dynamic model for G-CSCES, encompassing thermodynamic and power dynamic, to enhance its application for frequency regulation in power systems. The proposed model is tested on a real G-CSCES.

Original languageEnglish
Pages (from-to)2251-2254
Number of pages4
JournalIEEE Transactions on Sustainable Energy
Volume16
Issue number3
DOIs
StatePublished - 2025

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Compressed air energy storage
  • dynamic model
  • frequency regulation
  • supercritical carbon dioxide

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