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Li-ion的(de)(de)正(zheng)極(ji)材(cai)(cai)料(liao)是(shi)氧化鋰(li)鈷，負(fu)極(ji)材(cai)(cai)料(liao)是(shi)碳材(cai)(cai)。電(dian)池(chi)通過(guo)正(zheng)極(ji)產生的(de)(de)鋰(li)離子在負(fu)極(ji)碳材(cai)(cai)中的(de)(de)嵌入與遷出來(lai)實現(xian)電(dian)池(chi)的(de)(de)充放電(dian)過(guo)程，所以人們稱(cheng)之為Li-ion。

.工(gong)作原理即充(chong)放(fang)電(dian)(dian)(dian)(dian)(dian)原理。Li-ion的(de)(de)(de)正(zheng)(zheng)極(ji)(ji)材料是(shi)氧化鋰(li)鈷，負(fu)極(ji)(ji)是(shi)碳(tan)。當對(dui)電(dian)(dian)(dian)(dian)(dian)池(chi)進行(xing)(xing)充(chong)電(dian)(dian)(dian)(dian)(dian)時，電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)正(zheng)(zheng)極(ji)(ji)上有鋰(li)離(li)子(zi)生(sheng)(sheng)成，生(sheng)(sheng)成的(de)(de)(de)鋰(li)離(li)子(zi)經過(guo)電(dian)(dian)(dian)(dian)(dian)解液運動到(dao)負(fu)極(ji)(ji)。而作為負(fu)極(ji)(ji)的(de)(de)(de)碳(tan)呈層狀結構，它有很多微孔(kong)，達(da)到(dao)負(fu)極(ji)(ji)的(de)(de)(de)鋰(li)離(li)子(zi)就(jiu)(jiu)嵌(qian)入(ru)到(dao)碳(tan)層的(de)(de)(de)微孔(kong)中(zhong)，嵌(qian)入(ru)的(de)(de)(de)鋰(li)離(li)子(zi)越多，充(chong)電(dian)(dian)(dian)(dian)(dian)容量(liang)(liang)越高。同樣，當對(dui)電(dian)(dian)(dian)(dian)(dian)池(chi)進行(xing)(xing)放(fang)電(dian)(dian)(dian)(dian)(dian)時(即我(wo)們(men)使用電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)過(guo)程)，嵌(qian)在(zai)負(fu)極(ji)(ji)碳(tan)層中(zhong)的(de)(de)(de)鋰(li)離(li)子(zi)脫出，又(you)運動回(hui)(hui)正(zheng)(zheng)極(ji)(ji)。回(hui)(hui)正(zheng)(zheng)極(ji)(ji)的(de)(de)(de)鋰(li)離(li)子(zi)越多，放(fang)電(dian)(dian)(dian)(dian)(dian)容量(liang)(liang)越高。我(wo)們(men)通(tong)常所說的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)池(chi)容量(liang)(liang)指的(de)(de)(de)就(jiu)(jiu)是(shi)放(fang)電(dian)(dian)(dian)(dian)(dian)容量(liang)(liang)。在(zai)Li-ion的(de)(de)(de)充(chong)放(fang)電(dian)(dian)(dian)(dian)(dian)過(guo)程中(zhong)，鋰(li)離(li)子(zi)處于從正(zheng)(zheng)極(ji)(ji)到(dao)負(fu)極(ji)(ji)到(dao)正(zheng)(zheng)極(ji)(ji)的(de)(de)(de)運動狀態(tai)。 Li-ion就(jiu)(jiu)象一(yi)把搖(yao)(yao)椅(yi)，搖(yao)(yao)椅(yi)的(de)(de)(de)兩端(duan)(duan)為電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)(de)兩極(ji)(ji)，而鋰(li)離(li)子(zi)就(jiu)(jiu)像運動員(yuan)一(yi)樣在(zai)搖(yao)(yao)椅(yi)兩端(duan)(duan)來回(hui)(hui)奔跑。所以，Li-ion又(you)叫搖(yao)(yao)椅(yi)式電(dian)(dian)(dian)(dian)(dian)池(chi)。