Efficient Area Matched Converter Aided Solar Charging of Lithium Ion Batteries Using High Voltage Perovskite Solar Cells
Source abstract
Abstract
Efficient solar charging of a battery has been demonstrated in the past by sizing batteries many times that of a solar cell to reduce the effective current density experienced by the battery. Although efficient, such a strategy of coupling a battery up to 10 times larger with a solar cell will make solar–battery integration more challenging and limit the size, and thus maximum power output, of an integrated device. Area matched LFP-LTO (lithium iron phosphate, lithium titanate) battery solar charging using high voltage lead halide perovskite solar cells with a boost converter gave a maximum overall efficiency of 9.9% and a high 14.9% solar to battery charging efficiency. Two differently sized systems were compared using the same converter, and an exergy analysis was performed, showing limitations of converter usage in solar-powered internet of things (IoT) devices and size dependent battery losses.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Perovskite Materials and Applications · Advanced battery technologies research · Advanced Battery Materials and Technologies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
IEK-5 Photovoltaics, Forschungszentrum Jülich, 52425 Jülich, Germany
IEK-9 Fundamental Electrochemistry, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
Institut für Materialien und Prozesse für Elektrochemische Energiespeicher und Wandler, RWTH Aachen University, D-52074 Aachen, Germany
Faculty of Engineering and CENIDE, University of Duisburg−Essen, Carl-Benz-Strasse 199, 47057 Duisburg, Germany
Funding
Helmholtz Association
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