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      一電蓄電池12V120AH規格及報價
      發布時間 : 2024-04-12

      蓄電池內阻與容量關系


      蓄電池內阻與容量之間的關系其中有兩種含義:

        電池內阻跟額定容量的關系,以及同一型號電池的內阻跟荷電態SOC的關系。十多年前人們曾經試圖利用閥控密封鉛酸蓄電池內阻(或電導)的變化去在線檢測電池的容量和預測電池壽命,但卻未能如愿;人們對動力電池的大電流放電能力提出了越來越高的要求,這就要求盡可能降低電池內阻。因而本文將進一步探索和闡明一些常用蓄電池內阻與容量之間的內在關系。

        閥控密封

        當前閥控密封鉛酸蓄電池已逐步取代開口式流動電解液鉛酸蓄電池,廣泛用于郵電通信電源、UPS、儲能電源系統等。動力型閥控密封鉛酸蓄電池已廣泛用于電動助力車。這些領域都要求在線檢測蓄電池的荷電態。

        蓄電池的內阻跟荷電態的關系

        蓄電池的荷電態SOC指的是電池可以放出的容量跟其額定容量的比。這一數據對郵電通信電源系統和正在使用的動力電池組十分重要。

      Relationship between internal resistance and capacity of (primary) battery




      The relationship between battery internal resistance and capacity has two meanings:


      The relationship between the internal resistance of a battery and its rated capacity, as well as the relationship between the internal resistance of the same type of battery and the SOC in the state of charge. More than a decade ago, people tried to use changes in the internal resistance (or conductance) of valve regulated sealed lead acid batteries to online detect battery capacity and predict battery life, but they failed to achieve this goal; People have put forward higher and higher requirements for the high current discharge capacity of power batteries, which requires reducing the internal resistance of batteries as much as possible. Therefore, this article will further explore and clarify the internal relationship between the internal resistance and capacity of some commonly used batteries.



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