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Integrating compres...
Integrating compressed CO(2 )energy storage in an oxy-coal combustion power plant with CO2 capture
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- Huang, Qingxi (författare)
- Shandong Univ, Inst Adv Technol, Jinan 250061, Peoples R China.
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- Yao, Jinduo (författare)
- Tianjin Univ Commerce, Sch Mech Engn, Tianjin Key Lab Refrigerat Technol, Tianjin, Peoples R China.
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- Hu, Yukun (författare)
- UCL, Dept Civil Environm & Geomat Engn, London WC1E 6BT, England.
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- Liu, Shengchun (författare)
- Tianjin Univ Commerce, Sch Mech Engn, Tianjin Key Lab Refrigerat Technol, Tianjin, Peoples R China.
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- Li, Hailong, 1976- (författare)
- Mälardalens universitet,Framtidens energi,Tianjin Univ Commerce, Sch Mech Engn, Tianjin Key Lab Refrigerat Technol, Tianjin, Peoples R China.
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- Sun, Qie (författare)
- Shandong Univ, Inst Adv Technol, Jinan 250061, Peoples R China.;Shandong Univ, Inst Thermal Sci & Technol, Jinan 250061, Peoples R China.
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Shandong Univ, Inst Adv Technol, Jinan 250061, Peoples R China Tianjin Univ Commerce, Sch Mech Engn, Tianjin Key Lab Refrigerat Technol, Tianjin, Peoples R China. (creator_code:org_t)
- PERGAMON-ELSEVIER SCIENCE LTD, 2022
- 2022
- Engelska.
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Ingår i: Energy. - : PERGAMON-ELSEVIER SCIENCE LTD. - 0360-5442 .- 1873-6785. ; 254
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- To compensate for the high cost of CO2 capture, this study proposes a novel solution that integrates a compressed CO2 energy storage (CCES) system into an oxy-coal combustion power plant with CO2 capture (Oxy_CCES). The integration of energy storage has the potential to create arbitrage from variations in electricity prices. The proposed Oxy_CCES system can achieve a higher net efficiency of 34.1%, and a higher exergy efficiency of 57.5%, than that of a liquified oxygen storage-integrated oxy-coal combustion power plant (Oxy_O-2). Two scenarios, i.e., retrofitting an existing oxy-coal combustion power plant (S-I) and building a new plant (S-II), were established to compare the Oxy_CCES and Oxy_O-2. In S-I, the payback time of the Oxy_CCES is one year and in the S-II the levelized cost of electricity (LCOE) of the Oxy_CCES increases by 1.8%, which is lower than that of the Oxy_O-2. The sensitivity analysis shows that, when the difference between the peak and the valley electricity prices and the capacities of the energy storage systems increase by 50%, the net present value (NPV) and LCOE of the Oxy_CCES system increase by 113.4% and 1.7% respectively, which are lower than the NPV and LCOE increase of the Oxy_O-2.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Compressed CO2 energy storage
- CO2 capture
- Oxy-coal combustion
- Time of use tariff
- Carbon mitigation cost
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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