Aging model development based on multidisciplinary parameters for lithium‐ion batteries

2019 ◽  
Vol 44 (4) ◽  
pp. 2801-2818 ◽  
Author(s):  
Akhil Garg ◽  
Su Shaosen ◽  
Liang Gao ◽  
Xiongbin Peng ◽  
Prashant Baredar
2018 ◽  
Vol 51 (2) ◽  
pp. 220-225 ◽  
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Jocelyn Sabatier ◽  
Patrick Lanusse ◽  
Olivier Cois

2020 ◽  
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pp. 325-334 ◽  
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Stefan Käbitz ◽  
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Dirk Uwe Sauer

2021 ◽  
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Ernst Ferg ◽  
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2020 ◽  
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2018 ◽  
Vol 165 (2) ◽  
pp. A1-A15 ◽  
Author(s):  
Neal Dawson-Elli ◽  
Seong Beom Lee ◽  
Manan Pathak ◽  
Kishalay Mitra ◽  
Venkat R. Subramanian

Author(s):  
D. Geringer ◽  
P. Hofmann ◽  
J. Girard ◽  
E. Trunner ◽  
W. Knefel

AbstractThis paper focuses on the battery aging of automotive high power lithium-ion batteries intended for 48 V mild hybrid systems. Due to a long vehicle lifetime, battery aging is of high importance, and its consideration within a hybrid system is crucial to ensure a sufficient lifetime for the battery. At the moment, only a few aging investigations and models specifically for automotive high power cells are available. Consequently, all present aging consideration methods are based on the few published aging models focusing on consumer cells. This paper describes the development of an aging model for automotive high power cells and the integration into a mild hybrid operating strategy to actively control the battery aging process during its operation. The underlying aging investigations of high-power battery cells are shown to analyze the main influences of temperature, state of charge, and C-rate. These tests are used to develop the aging model, capable of considering the main influences on the aging process. Based on this model and all gained insights, different methods for considering battery aging in a mild hybrid system are investigated. The goal is to control the aging process during operation and consequently decrease the negative influence. Two active intervention methods are developed and integrated into a 48 V mild hybrid operating strategy to validate their potential. It is possible to control the aging process and at the same time to use the insights for improving the basic hybrid powertrain design regarding reduced aging and battery costs.


2020 ◽  
Author(s):  
Salim Erol

In this study, a simulation of an electrochemical impedance spectroscopy for lithium-ion batteries was proposed. The electrochemical process was developed from battery electrode kinetics and mass transfer of mobile Li+ ion through negative and positive electrodes and electrolyte. The phenomena used in this process were represented by an equivalent electrical circuit. A mathematical model was designed using the equivalent circuit and its elements which are in fact battery parameters. The parameter values were presented as compared with real experimental impedance result.


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