22–26 Jul 2024
CICG - GENEVA, Switzerland
Europe/Zurich timezone

Thermodynamic analysis of an efficient liquefaction unit with high-grade cold storage in liquid air energy storage systems

23 Jul 2024, 14:00
2h
Poster area

Poster area

Poster Presentation (120m) ICEC 01: Large scale refrigeration and liquefaction Tue-Po-1.1

Speaker

Xiaoyu Fan (Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

Description

Liquid air energy storage (LAES) technology stands out as a promising large-scale energy storage solution owing to its inherent advantages such as high storage density, geographical flexibility, and scalability. The liquefaction unit, being a pivotal element of the LAES system, significantly influences its overall performance. However, existing research on the liquefaction unit within the LAES system remains incomplete. These technologies encounter challenges, including low efficiency, safety concerns, and substantial investment requirements, thereby impeding the widespread adoption of LAES in the energy storage market. In response to these challenges, this study proposes an efficient liquefaction unit tailored for high-grade cold storage in the LAES system. The suggested liquefaction unit utilizes a solid-phase medium for cold storage, demonstrating commendable cold storage performance. The study establishes relevant thermodynamic models and conducts a thorough thermodynamic analysis, exploring the impact of key design parameters on system performance. Results indicate that the innovative liquefaction unit effectively addresses current technological challenges, achieving a liquefaction rate exceeding 80% while ensuring safety and cost-effectiveness. This research contributes valuable insights to the LAES community and aims to drive the commercialization process of LAES technology.

Submitters Country China

Authors

Xiaoyu Fan (Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences) Junxian Li (Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences) Yihong Li (Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences) Zhikang Wang (Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences) Zhaozhao Gao (Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences) Wei Ji (Zhonglv Zhongke Energy Storage Technology Co., Ltd.) Liubiao Chen (Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences) Junjie Wang (Key Laboratory of Cryogenic Science and Technology, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences)

Presentation materials