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Volume 34 Issue 8
Aug.  2008
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Journal of Beijing University of Aeronautics and Astronautics  > 2008  >  34(8): 973-975.
Jia Ying, Li Huolin. Research on failure rate model of lithium-ion batteries[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(8): 973-975. (in Chinese)
Citation: Jia Ying, Li Huolin. Research on failure rate model of lithium-ion batteries[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(8): 973-975. (in Chinese)
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Research on failure rate model of lithium-ion batteries

  • Dept. of System Engineering of Engineering Technology,Beijing University of Aeronautics and Astronautics,Beijing 100191, China

  • Received Date: 20 Jul 2007
  • Publish Date: 31 Aug 2008
    Abstract
  • Base failure rate model and operating failure rate model were developed to predict the reliability of the lithium-ion batteries. Firstly, the mostly failure models of lithium-ion batteries were analysised, and the operating current and temperature were regarded as the main accelerating factors of the failure of lithium-ion batteries. Secondly, consulting the GJB/Z299 , the life-testing data was used to calculating the numerical values of the parameters of the models, and to buid the adjusting coefficient(π-coefficient)project. By using the models, the predicting failure values under different operating currents and temperatures were calculated. The predicting failure values were then compared with the life-testing values. The results indicate that the base failure rate model and operating failure rate model are feasible for engineering practise.

     

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