It was found that the fast cycle life of battery was limited by negative plate, but not by positive plate, and deep cycle life was mainly limited by positive plate.
通过铅膏配方试验，发现制约电池快速寿命的是负极板而不是正极板，制约深循环寿命的主要是正极板。
After many tests, the deep cycle life over 450 times and fast cycle life over 800 times of positive plate were reached.
目前通过多次试验正极板深循环寿命可超过450次，快速寿命可超过800次。
The increment of the local material is favorable for increasing the heat dissipating area of the positive conductive plate, thereby improving the service life of the diode.
局部材料的增加有利于增加正极导电板的散热面积，从而提高二极管的使用寿命。
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