Online State of Charge Estimation of Lithium-ion Battery Cells: A Multiple Model Adaptive Estimation Approach

2021 ◽  
Author(s):  
Jiayi Su ◽  
Susan Schneider ◽  
Edwin Yaz ◽  
Fabien Josse
Keyword(s):  
Lithium Ion Battery ◽  
Adaptive Estimation ◽  
Lithium Ion ◽  
State Of Charge ◽  
Multiple Model ◽  
Multiple Model Adaptive Estimation ◽  
State Of Charge Estimation ◽  
Battery Cells

Improved State of Charge Estimation of Lithium-ion Battery cells

2021 ◽  
Author(s):  
Jiayi Su ◽  
Alia Strandt ◽  
Susan Schneider ◽  
Edwin Yaz ◽  
Fabien Josse
Keyword(s):  
Lithium Ion Battery ◽  
Lithium Ion ◽  
State Of Charge ◽  
State Of Charge Estimation ◽  
Battery Cells

An Active Equalizer for Serially Connected Lithium-Ion Battery Cells

2013 ◽  
Vol 732-733 ◽  
pp. 809-812 ◽  
Author(s):  
Hong Rui Liu ◽  
Chao Ying Xia
Keyword(s):  
Lithium Ion Battery ◽  
Lithium Ion ◽  
State Of Charge ◽  
Experimental Results ◽  
Battery Cell ◽  
Charging Current ◽  
In Series ◽  
Battery Cells

This paper proposes an equalizer for serially connected Lithium-ion battery cells. The battery cell with the lowest state of charge (SOC) is charged by the equalizer during the process of charging and discharging, and the balancing current is constant and controllable. Three unbalanced lithium-ion battery cells in series are selected as the experimental object by this paper. The discharging current under a certain UDDS and 20A charging current are used to complete respectively one time balancing experiment of discharging and charging to the three lithium-ion battery cells. The validity of the balancing strategy is confirmed in this paper according to the experimental results.

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