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Development of Cycle-Life Test Profile of Lithium-Ion Batteries for Electrically Propelled Road Vehicles (Second Report)~Generalization and Validation of Cycle Life Test Profiles
Published September 29, 2010 by Society of Automotive Engineers of Japan in Japan
The life of lithium-ion batteries for electrically propelled road vehicles (EPVs) must be improved to promote the diffusion of the vehicles, but there are currently no valid cycle-life test (CLT) profiles for the batteries. Although we developed CLT profiles for lithium-ion batteries based on an actual EPV's charge and discharge data at certification driving cycles in a previous study, generalization and validation of the profiles remains issues. Therefore, we developed a generalization method that changes peak output of CLT profiles using a discharge rate depending on battery capacity and verified the validity of the use of data at certification driving cycles.