一、一次電池是什么意思
一次電池,也叫一次性電池,是指放電(dian)(dian)結束后不能再通(tong)過充電(dian)(dian)使(shi)(shi)其復原,再度使(shi)(shi)用的(de)電(dian)(dian)池,這種電(dian)(dian)池通(tong)常只能一次性使(shi)(shi)用,無法(fa)通(tong)過充電(dian)(dian)或其它方式(shi)將原有電(dian)(dian)能補充回來(lai)。
一次電池(chi)一般用完即廢,這一特性(xing)是它的電池(chi)反(fan)(fan)應或電極反(fan)(fan)應的不可(ke)(ke)逆性(xing)或條(tiao)件,限制使電池(chi)反(fan)(fan)應很難可(ke)(ke)逆地進行(xing)所決定的。
二、干電池是一次性電池嗎
是的。
干(gan)(gan)電(dian)(dian)(dian)池的原(yuan)理是利(li)用氧化(hua)還原(yuan)反應將化(hua)學能轉化(hua)為電(dian)(dian)(dian)能,這一(yi)化(hua)學反應是不可逆(ni)的,不能進(jin)行充電(dian)(dian)(dian)和(he)放電(dian)(dian)(dian)循環使用,因此屬(shu)于(yu)一(yi)次(ci)性(xing)電(dian)(dian)(dian)池。除了干(gan)(gan)電(dian)(dian)(dian)池外,常見(jian)的碳鋅(xin)電(dian)(dian)(dian)池、堿性(xing)電(dian)(dian)(dian)池、水銀(yin)電(dian)(dian)(dian)池、鋅(xin)空氣電(dian)(dian)(dian)池等都屬(shu)于(yu)一(yi)次(ci)電(dian)(dian)(dian)池。
三、一次電池和二次電池的區別
和一次電(dian)(dian)(dian)池相對的,二次電(dian)(dian)(dian)池就是指可以通過(guo)充電(dian)(dian)(dian)或其他(ta)方式補(bu)充電(dian)(dian)(dian)能的電(dian)(dian)(dian)池,這兩種電(dian)(dian)(dian)池的區別(bie)主要有(you):
1、二次電(dian)池在放電(dian)時電(dian)極體積和(he)結(jie)構(gou)之(zhi)間發生可逆(ni)變化(hua),而(er)一次電(dian)池內部則簡單得多,因為它不需要調(diao)節這些可逆(ni)性變化(hua)。
2、一(yi)次電池(chi)的質量比容(rong)量和(he)體積比容(rong)量均大于普通充電電池(chi),但內阻遠(yuan)比二次電池(chi)大,因此負載能力較低。
3、一次電池的(de)自放(fang)電(dian)遠小于(yu)二次(ci)電(dian)池。一次(ci)電(dian)池只能放(fang)電(dian)一次(ci),如,堿(jian)性電(dian)池和碳性電(dian)池就屬于(yu)此類,二次(ci)電(dian)池可(ke)反復循環使用。
4、一(yi)(yi)次(ci)電(dian)池內阻(zu)遠大二(er)次(ci)電(dian)池,其大電(dian)流放電(dian)性能亦不及二(er)次(ci)電(dian)池,在小電(dian)流、間歇(xie)性放電(dian)的條件下,一(yi)(yi)次(ci)電(dian)池的質量(liang)比容量(liang)大于普(pu)通二(er)次(ci)電(dian)池,但當(dang)放電(dian)電(dian)流大于800mAh,則一(yi)(yi)次(ci)電(dian)池的容量(liang)優(you)勢就(jiu)會明顯(xian)減小。
5、二次(ci)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)相對一次(ci)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)更環保。一次(ci)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)使用后就(jiu)必須(xu)廢棄(qi),而(er)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)可反復使用,符合國家標準的次(ci)世代(dai)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)通常可反復使用1000次(ci)以(yi)上,也就(jiu)是說(shuo)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)產生(sheng)的廢棄(qi)物不到一次(ci)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的1000分之1,不論從減(jian)少廢棄(qi)物還是從資(zi)源利(li)用及(ji)經濟的角(jiao)度來考慮,二次(ci)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的優越(yue)性(xing)都是十分明(ming)顯的。