Capacity fade modelling of lithium-ion battery under cyclic loading conditions
نویسندگان
چکیده
منابع مشابه
Analysis of capacity fade in a lithium ion battery
Two parameter estimation methods are presented for online determination of parameter values using a simple charge/discharge model of a Sony 18650 lithium ion battery. Loss of capacity and resistance increase are both included in the model. The first method is a hybrid combination of batch data reconciliation and moving-horizon parameter estimation. A discussion on the selection of tuning parame...
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Lithium-ion batteries are well-known to be plagued by a gradual loss of capacity and power which occur regardless of use and can be limiting factors in the development of emerging energy technologies. Here we show that separator deformation in response to mechanical stimuli that arise under normal operation and storage conditions, such as external stresses on the battery stack or electrode expa...
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Hua Zhang 1,2, Lei Pei 1, Jinlei Sun 1, Kai Song 1, Rengui Lu 1, Yongping Zhao 1, Chunbo Zhu 1,* and Tiansi Wang 1 1 School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China; [email protected] (H.Z.); [email protected] (L.P.); [email protected] (J.S.); [email protected] (K.S.); [email protected] (R.L.); [email protected] (Y.Z.); tiansi.wa...
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A physics-based single particle model was used to simulate the life cycling data of a lithium ion cell. The simulation indicates that there are robably three stages of capacity fade in a lithium ion cell used at low rates. In the first stage, lithium ions are lost to a film formation reaction (e.g. EI formation) and, consequently, the cathode becomes less intercalated during cycling. In the sec...
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The capacity fade of Sony 18650S Li-ion cells has been analyzed using cyclic voltammetry, impedance spectroscopy and electron Ž . Ž . Ž . probe microscopic analysis EPMA . The surface resistance at both the positive LiCoO and negative carbon electrodes were found to 2 increase with cycling. This increase in resistance contributes to decreased capacity. Impedance data reveal that the interfacial...
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ژورنال
عنوان ژورنال: Journal of Power Sources
سال: 2016
ISSN: 0378-7753
DOI: 10.1016/j.jpowsour.2016.08.054