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Characterisation and Modelling of Lithium-Ion Secondary Batteries for Application in Solar Systems
S. Schwunk, A. Rudolph, R. Thomas, G. Bopp, M. Vetter
Battery / Batteries, Stand-Alone PV System, Storage, Modelling / Modeling, Stationary Storages
Components for PV Systems
Subtopic: Balance of System Components
Event: 23rd European Photovoltaic Solar Energy Conference and Exhibition, 1-5 September 2008, Valencia, Spain
Session: 4AV.3.62
2964 - 2968
ISBN: 3-936338-24-8
Paper DOI: 10.4229/23rdEUPVSEC2008-4AV.3.62
0,00 EUR
Document(s): paper


Declining prices and higher demands in technical applications make it more and more attractive to use lithium-ion secondary batteries in solar applications. The main advantages compared to lead acid secondary batteries are higher energy density, good cycling performance, higher efficiency and little problems with cycling at and remaining in high depth of discharge for long periods. Therefore lithium ion batteries were tested, characterised and modelled in respect to suitability in solar applications. For modelling lithium-ion batteries a modified Shepherd approach was used and good simulation results for the low currents typically occurring in off grid systems could be achieved.