
 鉛蓄電池的表達(dá)式為:(-)Pb︱H2SO4︱PbO2(+)電池的電極反應(yīng)和電池反應(yīng)式為:負(fù)極反應(yīng):Pb+HSO4-→PbSO4+H++2e正極反應(yīng):PbO2+3H++HSO4-+2e→PbSO4+2H2O電池反應(yīng):Pb+PbO2+2H++2HSO4-→2PbSO4+2H2O電池放電時(shí),正負(fù)極活性物質(zhì)二氧化鉛和鉛都轉(zhuǎn)化為硫酸鉛,硫酸既 (共 283 字) [閱讀本文] >>