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Sizing study of second life li-ion batteries for enhancing renewable energy grid integration
Renewable power plants must comply with certain codes and requirements to be connected to the grid, being the ramp-rate compliance one of the most challenging requirements, especially for photovoltaic or wind energy generation plants. Battery-based energy storage systems represent a promising solution due to the fast dynamics of electrochemical storage systems, besides their scalability and flexibility. However, large-scale battery energy storage systems are still too expensive to be a mass market solution for the renewable energy resources integration. Thus, in order to make battery investment economically viable, the use of second life batteries is investigated in the paper. This paper proposes a method to determine the optimal sizing of a second life battery energy storage system (SLBESS). SLBESS performance is also validated and, as an ultimate step, the power exchanged with the batteries is calculated during one-year operation. The power profile obtained is further used to define the cycling patterns for laboratory testing of second life batteries and to study their ageing evolution when used for the power smoothing renewable integration application. Real photovoltaic energy generation data from a Spanish plant were used for the study. ; Postprint (author's final draft)
Sizing study of second life li-ion batteries for enhancing renewable energy grid integration
Renewable power plants must comply with certain codes and requirements to be connected to the grid, being the ramp-rate compliance one of the most challenging requirements, especially for photovoltaic or wind energy generation plants. Battery-based energy storage systems represent a promising solution due to the fast dynamics of electrochemical storage systems, besides their scalability and flexibility. However, large-scale battery energy storage systems are still too expensive to be a mass market solution for the renewable energy resources integration. Thus, in order to make battery investment economically viable, the use of second life batteries is investigated in the paper. This paper proposes a method to determine the optimal sizing of a second life battery energy storage system (SLBESS). SLBESS performance is also validated and, as an ultimate step, the power exchanged with the batteries is calculated during one-year operation. The power profile obtained is further used to define the cycling patterns for laboratory testing of second life batteries and to study their ageing evolution when used for the power smoothing renewable integration application. Real photovoltaic energy generation data from a Spanish plant were used for the study. ; Postprint (author's final draft)
Sizing study of second life li-ion batteries for enhancing renewable energy grid integration
Saez-de Ibarra, Andoni (Autor:in) / Martinez-Laserna, Egoitz (Autor:in) / Stroe, Daniel-loan (Autor:in) / Swierczynski, Maciej (Autor:in) / Rodríguez Cortés, Pedro (Autor:in) / Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica / Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable
19.07.2016
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Solar energy , optimization , Àrees temàtiques de la UPC::Enginyeria elèctrica::Maquinària i aparells elèctrics , Recycled products , Energia -- Emmagatzematge , Lithium ion batteries , batteries , Àrees temàtiques de la UPC::Energies::Recursos energètics renovables , Bateries elèctriques -- Reciclatge , second use , Bateries d'ió liti , Energia solar fotovoltaica , Energy storage
DDC:
690
Second life battery energy storage system for enhancing renewable energy grid integration
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