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PV systems with second life Li-Ion battery technology

Leung, Chein (2012) PV systems with second life Li-Ion battery technology. Masters by Coursework thesis, Murdoch University.

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Increasingly, PV self-consumption (PVSC) is becoming an important aspect of storing or deferring energy generated from distributed solar energy systems. Combined with the high specific energy capacities of lithium ion batteries, there is the potential of increasing the amount of solar energy that is consumed at the location where it is generated. The use of second-life lithium ion batteries in PVSC systems is a relatively new concept that is still undergoing active research within the scientific community.

Using second-life lithiated iron phosphate (LFP) batteries, this project models a PVSC environment with the HOMER program. The simulation results suggest that the amount of PVSC in an environment is contingent upon the available solar radiation and the demand for power. Also, the results indicate that there are no distinguishable differences in using new or second-life lithium ion batteries in a PVSC environment so long as they can withstand the frequent cycling induced by the variable availability of solar radiation and the random demand for power by residential loads. Attempts to quantify the effective utilization of solar power were also performed by calculating the PVSC factor from the simulation results.

Item Type: Thesis (Masters by Coursework)
Murdoch Affiliation(s): School of Engineering and Energy
Supervisor(s): Whale, Jonathan and Issa, Touma
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