Transcription of Models for Battery Reliability and Lifetime
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Models for Battery Reliability and Lifetime
NREL is a national laboratory of the Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy, LLC. Models for Battery Reliability and Lifetime Applications in Design and Health Management Kandler Smith Jeremy Neubauer Eric Wood Myungsoo Jun Ahmad Pesaran Center for Transportation Technologies and Systems National Renewable Energy Laboratory NREL/PR-5400-58550 Battery Congress April 15-16, 2013 Ann Arbor, Michigan NATIONAL RENEWABLE ENERGY LABORATORYB etter life prediction methods, Models and management are essential to accelerate commercial deployment of Li-ion batteries in large-scale high-investment applications2 End User Goals: Understand Reliability and economics of new technologies ( , electric-drive vehicles vs.)
Active site loss (at room temperature, 1C charge/discharge, 100% DOD reference conditions) • 83% due to bulk volumetric expansion/contraction of the active material * • 13% due to particle fracture owing to intercalation stress at high C-rates • 4% due to …
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