電(dian)能(neng)可(ke)由(you)多(duo)種(zhong)形(xing)式(shi)的(di)能(neng)量(liang)變(bian)化(hua)得(dei)來(lai)，其(qi)中(zhong)把(ba)化(hua)學(xue)能(neng)轉(zhuan)換(huan)成(cheng)電(dian)能(neng)的(di)裝(zhuang)置(zhi)加(jia)化(hua)學(xue)電(dian)池(chi)，一(yi)般(pan)簡(jian)稱(chen)電(dian)池(chi)，電(dian)池(chi)有(you)原(yuan)電(dian)池(chi)和(hu)蓄(xu)電(dian)池(chi)之(zhi)分(fen)。放(fang)電(dian)後(hou)不(bu)能(neng)用(yong)充(chong)電(dian)方(fang)式(shi)使(shi)內(nei)部(bu)活(huo)性(xing)物(wu)質(zhi)再(zai)生(sheng)的(di)叫(jiao)原(yuan)電(dian)池(chi)，也(ye)稱(chen)為(wei)一(yi)次(ci)性(xing)電(dian)池(chi)。放(fang)電(dian)後(hou)可(ke)以(yi)用(yong)充(chong)電(dian)的(di)方(fang)式(shi)使(shi)內(nei)部(bu)活(huo)性(xing)物(wu)質(zhi)再(zai)生(sheng)，把(ba)電(dian)能(neng)儲(chu)存(cun)為(wei)化(hua)學(xue)能(neng)，需(xu)要(yao)放(fang)電(dian)時(shi)再(zai)次(ci)把(ba)化(hua)學(xue)能(neng)轉(zhuan)換(huan)為(wei)電(dian)能(neng)的(di)電(dian)池(chi)，叫(jiao)蓄(xu)電(dian)池(chi)，也(ye)稱(chen)為(wei)二(er)次(ci)電(dian)池(chi)。

       蓄(xu)電(dian)池(chi)是(shi)一(yi)種(zhong)電(dian)能(neng)的(di)儲(chu)存(cun)裝(zhuang)置(zhi)有(you)各(ge)種(zhong)形(xing)狀(zhuang)大(dai)小(xiao)、電(dian)壓(ya)和(hu)容(rong)量(liang)。蓄(xu)電(dian)池(chi)其(qi)工(gong)作(zuo)機(ji)理(li)為(wei)當(dang)兩(liang)種(zhong)金(jin)屬(zhu)通(tong)常(chang)是(shi)性(xing)質(zhi)有(you)差(chai)別(bie)的(di)金(jin)屬(zhu)浸(jin)沒(mo)與(yu)電(dian)解(xie)液(ye)之(zhi)中(zhong)，它(ta)們(men)可(ke)以(yi)導(dao)電(dian)並(bing)在(zai)極(ji)板(pan)之(zhi)間(jian)產(chan)生(sheng)一(yi)定(ding)電(dian)動(dong)勢(shi)。電(dian)動(dong)勢(shi)大(dai)小(xiao)或(huo)電(dian)壓(ya)與(yu)所(suo)使(shi)用(yong)的(di)金(jin)屬(zhu)有(you)關(guan)，不(bu)同(tong)用(yong)途(tu)的(di)蓄(xu)電(dian)池(chi)其(qi)電(dian)動(dong)勢(shi)不(bu)同(tong)，例(li)如(ru)有(you)鉛(qian)酸(suan)電(dian)池(chi)、鎘(ge)鎳(nie)電(dian)池(chi)、鋰(li)電(dian)池(chi)、鋅(xin)銀(yin)堿(jian)性(xing)電(dian)池(chi)等(deng)。