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Li-Ion Battery Deep Discharge Degradation
ECS Transactions, 2016Deep discharging or over-charging of Li-ion cells must be avoided to ensure sufficient life-time and sometimes also the operation safety of these batteries. BMS circuits co-operating with the charger and forbidding deep discharging of the cells are necessarily present in battery packs.
Petr Prochazka +4 more
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Battery Degradation Platform and Model for Realistic Battery Use Cases
2020 4th International Conference on Smart Grid and Smart Cities (ICSGSC), 2020In this paper, the mathematical evaluation model, extended wear density function (WDF), that evaluates battery remaining life is proposed. Also, a data platform to be utilized for the extended WDF is proposed. The previous WDF doesn’t consider three factors; operation temperature, current, and operating state-of-charge (SOC).
Daisuke Kodaira, Sekyung Han
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A Reduced-Order Battery Degradation Model for Battery Management Systems
ECS Meeting Abstracts, 2017An accurate and prompt prediction of the State of Health (SOH) of lithium ion batteries is a critical process for a Battery Management System (BMS). In this work, a single particle-based degradation model is developed by focusing on Solid Electrolyte Interface (SEI) layer formation and its evolution, which is coupled with the crack propagation due to
Jie Li +3 more
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(Invited) Microstructural Degradation in Rechargeable Batteries
ECS Meeting Abstracts, 2016The charge/discharge microstructural conditions that lead to mechanical failure, salt precipitation, and lithium dendrite formation in rechargeable lithium-ion batteries are explored. By starting from high resolution X-ray tomography, three-dimensional representations of porous microstructures from commercially batteries are used to simulate its local ...
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Heterogeneous degradation in Li-ion batteries
2023Li-ion batteries are crucial for the forthcoming energy transition. They are complex systems that show heterogeneous current distribution patterns and degradation. The development of valid methods to determine their internal state as well as for performance optimization and life cycle extension are vital for battery full deployment.We study the entropy
Ovejas Benedicto, Victòria Júlia +1 more
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Degradation in polymer Ni-MH battery
Ionics, 2005The alkaline solid polymer electrolyte system with the conductivity of (8.5±0.2) × 10−4 Scm−1 composes of polyvinyl alcohol (PVA) and potassium hydroxide (KOH) have been used in fabrication of Mg2Ni/Ni(OH)2 nickel metal hydride cell. The self-dehydriding of the cell during storage was presented by open circuit voltage study.
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Diagnosis of Battery Degradation using IoT
2023 4th International Conference on Electronics and Sustainable Communication Systems (ICESC), 2023Shaik Aminul Islam +4 more
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Battery degradation-aware current derating
2021Barreras, Jorge Varela +3 more
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Battery degradation diagnosis with field data, impedance-based modeling and artificial intelligence
Energy Storage Materials, 2022Weihan Li, Daniel Luder, Jingyu Gong
exaly