Coupled influence of state-of-charge and storage temperature on calendar aging and subsequent cycle degradation in LiFePO<sub>4</sub>/graphite pouch cells
Wen‐Jun Shen, Jinyang Dong, Yun Lu, Kang Yan, Yibiao Guan, Guangjin Zhao, Bowen Li, Xi Wang, Rui Tang, Jialong Zhou, Ning Li, Yuefeng Su, Feng Wu, Lai Chen
Abstract
Multi-scale analysis reveals that SOC-dependent calendar aging preconditions interfacial degradation and lithium loss in LiFePO 4 /graphite cells, governing subsequent cycle aging and highlighting the need for integrated aging models.
Topics & Concepts
Degradation (telecommunications)GraphiteMaterials scienceLithium (medication)State of chargeChemical engineeringThermodynamicsComputer scienceComposite materialBattery (electricity)PsychologyPhysicsEngineeringPsychiatryTelecommunicationsPower (physics)Advancements in Battery MaterialsAdvanced Battery Technologies ResearchAdvanced Battery Materials and Technologies