吉林大学学报(工学版) ›› 2011, Vol. 41 ›› Issue (增刊2): 331-333.

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Investigation of sorting with dynamic state of charge of lithium-iron-phosphate power battery

LI Yang, WANG Yong-wu, ZHANG Huo-cheng, ZHANG Na, ZOU Yu-feng   

  1. Tianjin Lishen Battery Joint-Stock Co., Ltd., Tianjin 300384, China
  • Received:2011-05-27 Online:2011-09-30 Published:2011-09-30

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Abstract:

The power battery is sorted which takes the open circuit voltage,the ACIR and the capacity as standard on 50%SOC static condition,but the battery manage system detect the voltage which is dynamic not as same as static voltage,so the actual result is not ideal.Based on this,sorting batteries by taking the dynamic voltage difference under impulse charging and discharging process,then carrying on the test to the battery pack,and obtaining a good result.

Key words: secondary energy, lithium-ion power battery, SOC, dynamic sorting

CLC Number: 

  • TM912.9


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