A low-cost time shared cell balancing technique for future lithium-ion battery storage system featuring regenerative energy distribution

Author(s):  
Abusaleh M. Imtiaz ◽  
Faisal H. Khan ◽  
Haresh Kamath
Energies ◽  
2017 ◽  
Vol 10 (12) ◽  
pp. 2107 ◽  
Author(s):  
Holger Hesse ◽  
Michael Schimpe ◽  
Daniel Kucevic ◽  
Andreas Jossen

2014 ◽  
Vol 272 ◽  
pp. 531-540 ◽  
Author(s):  
Jordi Pegueroles-Queralt ◽  
Fernando D. Bianchi ◽  
Oriol Gomis-Bellmunt

Electronics ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 248 ◽  
Author(s):  
Van-Long Pham ◽  
Van-Tinh Duong ◽  
Woojin Choi

This paper proposes a fast cell-to-cell balancing circuit for lithium-ion battery strings. The proposed method uses only one push-pull converter to transfer energy between high- and low-voltage cells directly for a fast balancing speed. The switch network for selecting a certain pair of cells is implemented using relays to achieve a low cost. The control circuit is composed of a battery-monitoring IC and a digital signal processor (DSP) to monitor the cell voltage and to protect the batteries. In order to prove the validity of the proposed method, a prototype circuit is built with twelve lithium-ion batteries in a string. The experimental results show that it takes only 50 min to balance twelve lithium-ion batteries during the charge with 89.5% maximum efficiency. The outstanding performance of the proposed cell balancing circuit is verified through its comparison with other methods in terms of several factors, such as the balancing time and the implementation cost.


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