The bigger the difference in the electropositivity and electronegativity of the materials that make up a battery's electrodes, the bigger the voltage it can deliver.
组成电池两级的物质的正负电荷差越大，他们发生化学反应时产生的电伏数越大。
The bigger the difference in the electropositivity and electronegativity of the materials that make up a battery's electrodes, the bigger the voltage it can deliver.
组成电池两级的物质的正负电荷差越大，他们发生化学反应时产生的电伏数越大。
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