Feasibility assessment of a novel compressed carbon dioxide energy storage system based on 13X zeolite temperature swing adsorption: Thermodynamic and economic analysis

Tianhang Zhang, Shuqi Zhang, Jianmin Gao, Ximei Li, Qian Du, Yu Zhang, Dongdong Feng, Qiaoqun Sun, Yirui Peng, Zhipei Tang, Min Xie and Guohua Wei

Applied Energy, 2023, vol. 348, issue C, No S0306261923009261

Abstract: This paper proposes a novel compressed CO2 energy storage system based on 13X zeolite temperature swing adsorption (TSA). Based on 13X zeolite adsorption gas storage and exothermic and desorption heat storage characteristics, the system could accomplish high-density storage of low-pressure CO2 and efficient heat circulation. Evaluate the system investment by economic analysis model, and apply the law of thermodynamics to perform energy and exergy analysis. Under the design conditions, the round-trip efficiency, the efficiency of the system, the energy storage density, and the investment cost per unit power were 88.88%, 69.30%, 6.23 kWh/m3, and 1.22 k$/kW, respectively, which demonstrates that the system is strongly feasible and has broad engineering application prospects. Sensitivity analysis results suggest that adsorption temperature and desorption temperature positively and negatively affect system performance. The storage pressure and temperature have a trade-off relationship and almost opposite effect on the system. The lower pinch point temperature difference assists in improving the thermodynamic performance of the system but leads to added cost. System thermal and economic performance have a gamble relationship in the equipment efficiency dimension.

Keywords: Compressed CO2 energy storage; CO2 adsorption; 13X zeolite; Thermodynamic simulation (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (3)

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DOI: 10.1016/j.apenergy.2023.121562

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