Thermodynamic and economic analyses of liquid air energy storage systems using packed bed cold thermal energy storage with different storing materials

IF 5.1 3区工程技术 Q2 ENERGY & FUELS

Thermal Science and Engineering Progress Pub Date : 2025-02-24 DOI:10.1016/j.tsep.2025.103449

Afshin Mashayekh , Jung Hwan Park , Nishith B. Desai , Jeong Ik Lee , Fredrik Haglind

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引用次数: 0

Abstract

Liquid air energy storage is a novel technology for storing energy that is receiving increasing interest. Thermal energy storage systems are used to improve the performance of liquid air energy storage systems. The poor performance of the cold thermal energy storage is a bottleneck to achieve cost-effectiveness of the system. The objective of this paper is to identify the most appropriate storing material to be used in cold packed bed energy storage. Four types of storing materials, three sensible heat materials and a latent heat material with cryogenic phase change materials, were evaluated. Thermodynamic models for the components of the system integrated with a 1-dimensional transient numerical model, the concentric dispersion model, of the packed bed system were developed. The total number of required packed bed tanks and the cost of the cold thermal energy storage were estimated for each material. The results suggest an optimum charging pressure of 18.5 MPa, and a discharging pressure of 10 MPa for the liquid air energy storge system with a capacity of 100 MW as input power and a constant capacity of cold thermal energy storage. The maximum round-trip efficiency and the liquid air yield of the system are 50.2 % and 69.3 %, respectively. Moreover, the results indicate that the minimum cost of cold thermal energy storage is 7.4 M€ for the system with quartz as storing material with 24 packed bed tanks. These findings provide a solid basis for further development of cold storage for liquid air energy storage systems.

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来源期刊

Thermal Science and Engineering Progress Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

7.20

自引率

10.40%

发文量

327

审稿时长

41 days

期刊介绍： Thermal Science and Engineering Progress (TSEP) publishes original, high-quality research articles that span activities ranging from fundamental scientific research and discussion of the more controversial thermodynamic theories, to developments in thermal engineering that are in many instances examples of the way scientists and engineers are addressing the challenges facing a growing population – smart cities and global warming – maximising thermodynamic efficiencies and minimising all heat losses. It is intended that these will be of current relevance and interest to industry, academia and other practitioners. It is evident that many specialised journals in thermal and, to some extent, in fluid disciplines tend to focus on topics that can be classified as fundamental in nature, or are ‘applied’ and near-market. Thermal Science and Engineering Progress will bridge the gap between these two areas, allowing authors to make an easy choice, should they or a journal editor feel that their papers are ‘out of scope’ when considering other journals. The range of topics covered by Thermal Science and Engineering Progress addresses the rapid rate of development being made in thermal transfer processes as they affect traditional fields, and important growth in the topical research areas of aerospace, thermal biological and medical systems, electronics and nano-technologies, renewable energy systems, food production (including agriculture), and the need to minimise man-made thermal impacts on climate change. Review articles on appropriate topics for TSEP are encouraged, although until TSEP is fully established, these will be limited in number. Before submitting such articles, please contact one of the Editors, or a member of the Editorial Advisory Board with an outline of your proposal and your expertise in the area of your review.