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首页> 外文期刊>Journal of power sources >Studies of the current and potential distributions on lead-acid batteries III. Formation of the single-side pasted automotive positive plate
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Studies of the current and potential distributions on lead-acid batteries III. Formation of the single-side pasted automotive positive plate

机译：铅酸电池的电流和电位分布研究III。单面粘贴汽车正极板的形成

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摘要

The formation processes of the single-side pasted automotive positive plate have been studied by an in situ electrochemical scan technique. On the pasted side of the positive plate, its polarization is very high and its charge current is very low at the beginning of the formation, compared with those on the non-pasted side. Then, their difference becomes smaller and smaller with the formation. Moreover, the distributions of the current density and the polarization resistance are quite uneven on the pasted side at the initial stage of the formation. The lowest current density and the highest polarization resistance are located in the middle. At the later stage, the charge current on the pasted side becomes a little higher, but its charge amount is still lower than that on the non-pasted side. Although the conductivity of PbO_2 zones is very good, the violent charge at the high polarization will lead to the increase of the contact resistance between the active mass particles at the beginning of the formation.
机译：单面粘贴的汽车正极板的形成过程已通过原位电化学扫描技术进行了研究。在正极板的粘贴侧，与未粘贴侧的极化相比，其极化非常高，并且在形成开始时其充电电流非常低。然后，它们的差异随着地层而变得越来越小。此外，在形成初期，在粘贴侧的电流密度和极化电阻的分布非常不均匀。最低的电流密度和最高的极化电阻位于中间。在后期阶段，粘贴侧的充电电流会稍高一些，但其充电量仍低于未粘贴侧的充电电流。尽管PbO_2区的电导率非常好，但是在高极化下的剧烈电荷会导致形成初期的活性物质颗粒之间的接触电阻增加。

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