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https://doi.org/10.13044/j.sdewes.d6.0235

Transcritical Carbon Dioxide Charge-Discharge Energy Storage with Integration of Solar Energy

Reyes Fernandez ; Energy Engineering Department, University of Seville, Calle San Fernando, 4, 41004 Seville, Spain
Ricardo Chacartegui ; Energy Engineering Department, University of Seville, Calle San Fernando, 4, 41004 Seville, Spain
Antonio Becerra ; Energy Engineering Department, University of Seville, Calle San Fernando, 4, 41004 Seville, Spain
Beatriz Calderon ; Energy Engineering Department, University of Seville, Calle San Fernando, 4, 41004 Seville, Spain
Monica Carvalho ; Center of Alternative and Renewable Energy, Federal University of Paraíba, Cidade Universitária, s/n ‒ Castelo Branco III, João Pessoa ‒ PB, 58051-085, Brazil

Puni tekst: engleski, pdf (3 MB) str. 444-465 preuzimanja: 121* citiraj
APA 6th Edition
Fernandez, R., Chacartegui, R., Becerra, A., Calderon, B. i Carvalho, M. (2019). Transcritical Carbon Dioxide Charge-Discharge Energy Storage with Integration of Solar Energy. Journal of Sustainable Development of Energy, Water and Environment Systems, 7 (3), 444-465. https://doi.org/10.13044/j.sdewes.d6.0235
MLA 8th Edition
Fernandez, Reyes, et al. "Transcritical Carbon Dioxide Charge-Discharge Energy Storage with Integration of Solar Energy." Journal of Sustainable Development of Energy, Water and Environment Systems, vol. 7, br. 3, 2019, str. 444-465. https://doi.org/10.13044/j.sdewes.d6.0235. Citirano 31.10.2020.
Chicago 17th Edition
Fernandez, Reyes, Ricardo Chacartegui, Antonio Becerra, Beatriz Calderon i Monica Carvalho. "Transcritical Carbon Dioxide Charge-Discharge Energy Storage with Integration of Solar Energy." Journal of Sustainable Development of Energy, Water and Environment Systems 7, br. 3 (2019): 444-465. https://doi.org/10.13044/j.sdewes.d6.0235
Harvard
Fernandez, R., et al. (2019). 'Transcritical Carbon Dioxide Charge-Discharge Energy Storage with Integration of Solar Energy', Journal of Sustainable Development of Energy, Water and Environment Systems, 7(3), str. 444-465. https://doi.org/10.13044/j.sdewes.d6.0235
Vancouver
Fernandez R, Chacartegui R, Becerra A, Calderon B, Carvalho M. Transcritical Carbon Dioxide Charge-Discharge Energy Storage with Integration of Solar Energy. Journal of Sustainable Development of Energy, Water and Environment Systems [Internet]. 2019 [pristupljeno 31.10.2020.];7(3):444-465. https://doi.org/10.13044/j.sdewes.d6.0235
IEEE
R. Fernandez, R. Chacartegui, A. Becerra, B. Calderon i M. Carvalho, "Transcritical Carbon Dioxide Charge-Discharge Energy Storage with Integration of Solar Energy", Journal of Sustainable Development of Energy, Water and Environment Systems, vol.7, br. 3, str. 444-465, 2019. [Online]. https://doi.org/10.13044/j.sdewes.d6.0235

Sažetak
New and improved energy storage technologies are required to overcome non-dispatchability, which is the main challenge for the successful integration of large shares of renewable energy within energy supply systems. Energy storage is proposed to tackle daily variations on the demand side, i.e., storing low-price energy during off-peak or valley periods for utilization during peak periods. Regarding electrical energy storage, several technologies are available with different potentials for scalability, density, and cost. A recent approach for grid-scale applications is based on transcritical carbon dioxide charge and discharge cycles in combination with thermal energy storage systems.
This alternative to pumped-hydro and compressed air energy storage has been discussed in scientific literature, where different configurations have been proposed and their efficiency and costs calculated. The potential of the concept has been demonstrated to be an economical alternative, including hybrid concepts with solar thermal storage. Even at low temperatures, the addition of solar energy has proved to be cost effective. This paper explores the effect of introducing solar-based high temperature heat on the performance of different configurations of “Transcritical carbon dioxide ‒ thermal energy storage system” cycles. A base-cycle with 8-hour discharge time is compared with different
layouts. Discussions include details on the models, parametric analyses -including solar technology alternatives-, and simulation results. Round trip efficiency of the base case, without solar support and at pressure ratio of 9.4, is 52%. When solar input is considered, the efficiency is above 60%, increasing the turbine inlet temperature to 950 K. Estimated
levelized cost of electricity values are in the range of pumped hydro and compressed air energy storage, 90-140 USD/MWh in agreement with other works on this thermal storage technology. The global analysis shows clear advantages for advancing in the study and definition of this technology for exploitation of synergies at different power ranges,
integrated with mid/high temperature solar power plants and with smaller-scale renewable installations.

Ključne riječi
Energy storage; Hybrid energy storage; Solar; Carbon dioxide cycle.

Hrčak ID: 223991

URI
https://hrcak.srce.hr/223991

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