一、堿性干電池和碳性干電池有什么區別
干電池按照電解質性質不同,可分為堿性和碳性兩種,它們雖然都是干電池,但在(zai)很多(duo)方面有所不同,堿(jian)性干(gan)(gan)電池(chi)和碳性干(gan)(gan)電池(chi)的區別主要有:
1、結構原理不同
碳性干電池和(he)堿(jian)性干電池的(de)結構(gou)和(he)原理都(dou)是(shi)(shi)(shi)基于鋅-錳(meng)體系(xi),但是(shi)(shi)(shi)有(you)一些不同之處。碳性干電池的(de)正極是(shi)(shi)(shi)由(you)二氧化錳(meng)和(he)石墨(mo)組(zu)成的(de)炭棒,負極是(shi)(shi)(shi)由(you)鋅皮制成的(de)外殼,電解(jie)質(zhi)是(shi)(shi)(shi)含有(you)氯(lv)化銨和(he)氯(lv)化鋅的(de)水溶液。
堿性(xing)干(gan)電池的正極是(shi)由二氧(yang)(yang)化(hua)錳和(he)(he)碳粉(fen)組成(cheng)的環形(xing)極片,負極是(shi)由鋅(xin)粉(fen)和(he)(he)添加劑制成(cheng)的鋅(xin)膏,電解質(zhi)是(shi)含有氫氧(yang)(yang)化(hua)鉀的水(shui)溶液。碳性(xing)干(gan)電池和(he)(he)堿性(xing)干(gan)電池的放(fang)電反(fan)應都是(shi)鋅(xin)和(he)(he)二氧(yang)(yang)化(hua)錳在電解質(zhi)中發生氧(yang)(yang)化(hua)還原反(fan)應,產生電流和(he)(he)電壓(ya)。
2、電池容量不同
碳(tan)(tan)性(xing)(xing)(xing)干(gan)(gan)(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)和(he)堿性(xing)(xing)(xing)干(gan)(gan)(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)的(de)輸出電(dian)(dian)壓都是(shi)1.5伏,但是(shi)它們的(de)容量卻有很大的(de)差別,堿性(xing)(xing)(xing)干(gan)(gan)(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)的(de)容量是(shi)碳(tan)(tan)性(xing)(xing)(xing)干(gan)(gan)(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)的(de)4-7倍,這意(yi)味著堿性(xing)(xing)(xing)干(gan)(gan)(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)可(ke)(ke)以持續使用的(de)時間更長,或者可(ke)(ke)以為更大功率的(de)電(dian)(dian)器(qi)提供電(dian)(dian)能(neng)。堿性(xing)(xing)(xing)干(gan)(gan)(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)的(de)容量會(hui)隨(sui)著放電(dian)(dian)電(dian)(dian)流的(de)增加而減小(xiao),但是(shi)仍然(ran)高于(yu)碳(tan)(tan)性(xing)(xing)(xing)干(gan)(gan)(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)。
3、重量不同
由于堿(jian)性干(gan)電池的內部材料和(he)結構比(bi)碳(tan)性干(gan)電池更復(fu)雜,堿(jian)性干(gan)電池的重(zhong)量一般比(bi)碳(tan)性干(gan)電池重(zhong)。
4、價格不同
堿性(xing)干(gan)電(dian)(dian)池(chi)(chi)的(de)價(jia)格也比(bi)碳性(xing)干(gan)電(dian)(dian)池(chi)(chi)高,一(yi)般是碳性(xing)干(gan)電(dian)(dian)池(chi)(chi)的(de)1.5-2倍,不過堿性(xing)干(gan)電(dian)(dian)池(chi)(chi)的(de)使用壽命通常要更長(chang)一(yi)些(xie),性(xing)價(jia)比(bi)還是比(bi)較高的(de)。
5、適用范圍不同
碳性干(gan)電(dian)(dian)池(chi)(chi)適合用(yong)于低電(dian)(dian)流和低功率的(de)電(dian)(dian)器,如手電(dian)(dian)筒、收音(yin)機、遙控器、鐘(zhong)表等。這些電(dian)(dian)器的(de)特點是用(yong)電(dian)(dian)量(liang)小,對(dui)電(dian)(dian)池(chi)(chi)的(de)性能要求不高,使用(yong)碳性干(gan)電(dian)(dian)池(chi)(chi)可以滿足(zu)基本的(de)需求。
堿性(xing)干電(dian)(dian)(dian)池適(shi)合用(yong)于(yu)高(gao)(gao)電(dian)(dian)(dian)流和(he)高(gao)(gao)功率的(de)電(dian)(dian)(dian)器(qi),如數碼相機、閃(shan)光燈、電(dian)(dian)(dian)動玩具、剃須刀(dao)、無線鼠標等(deng)。這些電(dian)(dian)(dian)器(qi)的(de)特點是用(yong)電(dian)(dian)(dian)量大,對電(dian)(dian)(dian)池的(de)性(xing)能(neng)要(yao)求高(gao)(gao),使用(yong)堿性(xing)干電(dian)(dian)(dian)池可以保證(zheng)電(dian)(dian)(dian)器(qi)的(de)正常(chang)工作和(he)良好的(de)性(xing)能(neng)。
6、保質期和自放電不同
保質(zhi)期是指電(dian)(dian)池(chi)在未使用的(de)情(qing)況(kuang)下,能夠保持(chi)一定的(de)電(dian)(dian)量和(he)性能的(de)時(shi)間(jian)。自放(fang)電(dian)(dian)是指電(dian)(dian)池(chi)在未使用的(de)情(qing)況(kuang)下,由(you)于(yu)內部化學反應(ying)而逐(zhu)漸損失(shi)電(dian)(dian)量的(de)現象。
一(yi)(yi)(yi)般(ban)來說,堿(jian)性(xing)(xing)(xing)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)的(de)保質期要遠遠超(chao)過(guo)碳性(xing)(xing)(xing)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)的(de)保質期。碳性(xing)(xing)(xing)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)的(de)保質期一(yi)(yi)(yi)般(ban)為(wei)1-2年,而堿(jian)性(xing)(xing)(xing)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)的(de)保質期一(yi)(yi)(yi)般(ban)為(wei)5-10年,甚(shen)至更長(chang)。堿(jian)性(xing)(xing)(xing)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)的(de)自(zi)放電(dian)(dian)也(ye)比碳性(xing)(xing)(xing)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)低,一(yi)(yi)(yi)般(ban)為(wei)每年2-3%,而碳性(xing)(xing)(xing)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)的(de)自(zi)放電(dian)(dian)一(yi)(yi)(yi)般(ban)為(wei)每年10-15%。這意味著堿(jian)性(xing)(xing)(xing)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)可以更長(chang)時間(jian)地保存和使用,不會(hui)因為(wei)時間(jian)過(guo)長(chang)而失效。
7、環保性不同
碳性干電池中(zhong)(zhong)含(han)有(you)重金屬(shu)鎘和水銀,這些物質對(dui)人體和環(huan)境都(dou)有(you)危害,如果不經(jing)過回(hui)收處理,就直接(jie)丟棄,會(hui)污染(ran)土(tu)壤和水源(yuan),影(ying)響(xiang)生態平衡。堿性干電池中(zhong)(zhong)不含(han)重金屬(shu)鎘和水銀,相對(dui)來(lai)說要環(huan)保一些。
二、堿性干電池和碳性干電池哪個好
堿性(xing)干(gan)(gan)電池(chi)(chi)和碳(tan)性(xing)干(gan)(gan)電池(chi)(chi)對比起來(lai),在很多(duo)方面都有(you)所區別,不過并不一(yi)定(ding)堿性(xing)干(gan)(gan)電池(chi)(chi)就更好(hao),或者碳(tan)性(xing)干(gan)(gan)電池(chi)(chi)更好(hao),要根(gen)據(ju)設備功率需求(qiu)、使用時間和環(huan)境(jing)考慮(lv)選擇:
一般來說,堿(jian)性干電池通常(chang)具有更高(gao)的(de)能量密度(du)和較長的(de)壽命,適合(he)高(gao)耗能設(she)(she)備(bei);而碳(tan)性干電池價格(ge)便(bian)宜,適用于低功(gong)率設(she)(she)備(bei)。
三、堿性干電池和碳性干電池可以共用嗎
堿性干電池和(he)碳(tan)性干(gan)(gan)電(dian)池很多在外表上并沒有(you)(you)多大區別,有(you)(you)用戶可能會混用,不過一(yi)般這兩種干(gan)(gan)電(dian)池是(shi)不建(jian)議共(gong)用的。
由于堿性(xing)干(gan)(gan)電(dian)池和碳(tan)性(xing)干(gan)(gan)電(dian)池的(de)(de)正極(ji)、負極(ji)及電(dian)解質均不同(tong),因(yin)此他們(men)的(de)(de)操作電(dian)壓和儲(chu)電(dian)量(liang)都有所不同(tong),一般(ban)來說,堿性(xing)干(gan)(gan)電(dian)池的(de)(de)容量(liang)是碳(tan)性(xing)干(gan)(gan)電(dian)池的(de)(de)五到六倍,而電(dian)流(liu)也比碳(tan)性(xing)干(gan)(gan)電(dian)池要大,混用的(de)(de)話可能影響供(gong)電(dian);而且碳(tan)性(xing)干(gan)(gan)電(dian)池會更(geng)早(zao)用完,頻繁更(geng)換(huan)也麻煩,因(yin)此一般(ban)建議不要混用。