A comprehensive understanding of the role of sodium sulfate in calcium looping via in-situ experiments and DFT studies: Performance and mechanism

Kong, Dehao; Nie, Binjian; Zhang, Yingjin; Chen, Qicheng; An, Nan; He, Nan; Yao, Liang; Zhai, Yuechen

doi:10.1016/j.fuel.2024.131968

Fuel

2024

DOI: 10.1016/j.fuel.2024.131968

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A comprehensive understanding of the role of sodium sulfate in calcium looping via in-situ experiments and DFT studies: Performance and mechanism

Dehao Kong,

Binjian Nie,

Yingjin Zhang

et al.

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Cited by 5 publications

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Insight into Dynamic Characteristics of Concentrated Solar Power Systems with Calcium Looping Based on ZnO–Na₂SO₄ Co‐Doped CaO Composites

Wang,

Nie,

Chen

et al. 2024

Energy Tech

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Concentrated solar power (CSP) integrated with calcium looping (CaL) technology has garnered significant interest as a solution to mitigate the issue of intermittency in solar power production. However, the deactivation of CaO‐based materials during cycling limits the application of CaL technology on a large scale. Herein, the dynamic characteristics of the CSP‐CaL system indirectly integrated with the s–CO2 Brayton cycle using CaO–ZnO–Na2SO4 composites are studied. Energy analysis shows that the energy storage density varies from 1328.13 to 1232.03 J g−1, and its average value increases by 32.0%. Round‐trip efficiency of the system varies from 40.0% to 39.5%, and its average value increases by 22.6%. Exergy analysis shows that the co‐doping of ZnO and Na2SO4 into CaO enhances the exergy efficiency of the calciner and the heat exchange network, but reduces the exergy efficiency of the carbonator. Exergy round‐trip efficiency of the CSP‐CaL system has slightly decreased from 44.0% to 43.4%, with an average increase of 22.8%. Techno‐economic analysis shows that the levelized cost of electricity for different sizes of CSP‐CaL systems using CaO–ZnO–Na2SO4 ranges from 176.44 to 153.70 $ MWh−1. Therefore, the CaO–ZnO–Na2SO4 composite shows promising prospects for application in solar thermal power generation.

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Insight into Dynamic Characteristics of Concentrated Solar Power Systems with Calcium Looping Based on ZnO–Na₂SO₄ Co‐Doped CaO Composites

Wang,

Nie,

Chen

et al. 2024

Energy Tech

View full text Add to dashboard Cite

show abstract

Influence of novel ZnO-Na2SO4 co-doped CaO composites on performance of concentrated solar power systems with calcium looping process: Energy, exergy and economic analysis

Wang,

Nie,

et al. 2025

Applied Thermal Engineering

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Hollow-structured and nano-flower shaped high entropy layer double hydroxide for superiority specific capacitance and rate capability of supercapacitor

Zhu,

Chen,

Kong

et al. 2024

Journal of Energy Storage

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A comprehensive understanding of the role of sodium sulfate in calcium looping via in-situ experiments and DFT studies: Performance and mechanism

Cited by 5 publications

References 52 publications

Insight into Dynamic Characteristics of Concentrated Solar Power Systems with Calcium Looping Based on ZnO–Na₂SO₄ Co‐Doped CaO Composites

Insight into Dynamic Characteristics of Concentrated Solar Power Systems with Calcium Looping Based on ZnO–Na₂SO₄ Co‐Doped CaO Composites

Influence of novel ZnO-Na2SO4 co-doped CaO composites on performance of concentrated solar power systems with calcium looping process: Energy, exergy and economic analysis

Hollow-structured and nano-flower shaped high entropy layer double hydroxide for superiority specific capacitance and rate capability of supercapacitor

Contact Info

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About

A comprehensive understanding of the role of sodium sulfate in calcium looping via in-situ experiments and DFT studies: Performance and mechanism

Cited by 5 publications

References 52 publications

Insight into Dynamic Characteristics of Concentrated Solar Power Systems with Calcium Looping Based on ZnO–Na2SO4 Co‐Doped CaO Composites

Insight into Dynamic Characteristics of Concentrated Solar Power Systems with Calcium Looping Based on ZnO–Na2SO4 Co‐Doped CaO Composites

Influence of novel ZnO-Na2SO4 co-doped CaO composites on performance of concentrated solar power systems with calcium looping process: Energy, exergy and economic analysis

Hollow-structured and nano-flower shaped high entropy layer double hydroxide for superiority specific capacitance and rate capability of supercapacitor

Contact Info

Product

Resources

About

Insight into Dynamic Characteristics of Concentrated Solar Power Systems with Calcium Looping Based on ZnO–Na₂SO₄ Co‐Doped CaO Composites

Insight into Dynamic Characteristics of Concentrated Solar Power Systems with Calcium Looping Based on ZnO–Na₂SO₄ Co‐Doped CaO Composites