Real-time optimal fast charging of Li-ion batteries with varying temperature and charging behaviour constraints

Nambisan, Praveen; Saha, Pankaj; Khanra, Munmun

doi:10.1016/j.est.2021.102918

Cited by 20 publications

(4 citation statements)

References 26 publications

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“…The heat generation of the battery is mainly affected by the nature material of the battery itself. Different cathode materials, charge–discharge rate, charge–discharge cycle mode, external environment, and other internal mechanisms of the battery will affect the heat production of the entire battery 21 . Therefore, the control variable method must be adopted when the heat production of the battery is tested.…”

Section: Theoretical Basis and Methods Construction Researchmentioning

confidence: 99%

Application of power battery under thermal conductive silica gel plate in new energy vehicles

Ma,

Zong,

Wan

et al. 2024

Sci Rep

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This study aims to improve the performance of automotive battery thermal management systems (BTMS) to achieve more efficient heat dissipation and thus reduce hazards during driving. Firstly, the research parameters and properties of composite thermally conductive silicone materials are introduced. Secondly, the heating principle of the power battery, the structure and working principle of the new energy vehicle battery, and the related thermal management scheme are discussed. Finally, the research results are presented from the experimental test and controller design. In addition, to achieve the research goal, the composite thermally conductive silica gel plate (CSGP) material is studied in detail and parametrically analyzed, and the heating mechanism of the power battery is discussed in depth. The temperature characteristics after adding CSGP are experimentally tested, and the controller of the BTMS of the new energy vehicle is designed, including hardware circuits and software modules. The findings show that the temperature characteristics of the battery module have obvious limitations without CSGP. When the battery module operates at a 4C magnification, the temperature exceeds the safety threshold by 38.4%, with particular potential safety risks. Then, the maximum temperature of the battery module with CSGP can be controlled within 50 °C, and the temperature characteristics are prominently improved. Lastly, the controller of the BTMS is tested, and the results reveal that it has remarkable voltage recovery ability. According to the research results, the performance of automotive BTMS can be significantly improved, and better heat dissipation can be effectively achieved by adding CSGP. This helps reduce the hazards of driving. Moreover, the designed controller performs well in voltage recovery, providing solid theoretical support for further developing the CSGP battery management system.

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Section: Theoretical Basis and Methods Construction Researchmentioning

confidence: 99%

Application of power battery under thermal conductive silica gel plate in new energy vehicles

Ma,

Zong,

Wan

et al. 2024

Sci Rep

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show abstract

“…49 To decrease the degradation under higher current densities, an optimal charging protocol of constant current-constant voltage (CC-CV) was applied to Mo-Li-1‖LFP full cell. 50,51 Fig. 5e demonstrates the cycling performance of Mo-Li-1‖LFP full cell charging at 1C, followed by This journal is © The Royal Society of Chemistry 2023 constant voltage charging at 3.65 V. The cell delivered an initial discharge capacity of 142 mA h g −1 and maintained 130 mA h g −1 even aer cycling about 650 times, exhibiting a high-capacity retention rate of 91.5%.…”

Section: Correlations Of LI Foil Crystal Orientation With Li Plating/...mentioning

confidence: 99%

Enabling isotropic Li growth via Li foil facet-engineering for high-performance Li metal batteries

Liu,

Wang,

Sun

et al. 2023

J. Mater. Chem. A

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“…For instance, it usually takes 2-6 hours for EV batteries to be fully charged, while it merely takes several minutes to refuel a gasoline vehicle. 3,4 Fast charging has thus become one of the critical initiatives in the battery or EV industries in the long run. The major barrier to fast-charging LIBs lies in the restriction of the graphite anode susceptible to lithium (Li) plating.…”

Section: Introductionmentioning

confidence: 99%

Unveiling the adsorption tendency of film-forming additives to enable fast-charging hard carbon anodes with regulated Li plating

Dong,

Chen,

Yue

et al. 2024

Energy Environ. Sci.

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Real-time optimal fast charging of Li-ion batteries with varying temperature and charging behaviour constraints

Cited by 20 publications

References 26 publications

Application of power battery under thermal conductive silica gel plate in new energy vehicles

Application of power battery under thermal conductive silica gel plate in new energy vehicles

Enabling isotropic Li growth via Li foil facet-engineering for high-performance Li metal batteries

Unveiling the adsorption tendency of film-forming additives to enable fast-charging hard carbon anodes with regulated Li plating

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