蓄电池有阴阳两极，用导电材料——通常是一种叫做电解质的液体连接。
They have two electrodes, an anode and a cathode, that are connected by an electrically conductive material—generally a liquid—called an electrolyte.
让蓄电池制造商左右为难的是，充电的速度取决于电解质与电极之间接触的面积。
The battery-maker's dilemma is that the recharging rate depends on the area of contact between electrolyte and electrode.
含碱性或其他非酸性电解质的蓄电池和蓄电池组。部分气体复合的镍镉柱状二次单电池。
Secondary cells and batteries containing alkaline or other non-acid electrolytes - Nickel-cadmium prismatic secondary single cells with partial gas recombination.
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