一、紐扣電池和普通電池的區別

紐扣電池與普通電池之間，有(you)外形(xing)大小，化學成分，內部電壓產生方式，材(cai)質(zhi)等(deng)的區(qu)別。

紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)也(ye)(ye)稱(cheng)扣(kou)(kou)(kou)式電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)，是指外(wai)形尺寸(cun)象一(yi)(yi)顆小紐(niu)(niu)扣(kou)(kou)(kou)的(de)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)，一(yi)(yi)般(ban)來(lai)說直(zhi)徑較(jiao)(jiao)(jiao)大，厚度較(jiao)(jiao)(jiao)薄。它(ta)的(de)外(wai)形猶如一(yi)(yi)顆紐(niu)(niu)扣(kou)(kou)(kou)，所以(yi)也(ye)(ye)被稱(cheng)為紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)。常(chang)見的(de)紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)按化(hua)學(xue)組(zu)成有碳性，堿性，鋅一(yi)(yi)氧化(hua)銀，鋅一(yi)(yi)空氣，鋰一(yi)(yi)二氧化(hua)錳，鎳鎘(ge)充電(dian)(dian)(dian)(dian)(dian)紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)，鎳氫充電(dian)(dian)(dian)(dian)(dian)紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)等。紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)相對其他(ta)普通電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)，使(shi)用壽(shou)命(ming)(ming)較(jiao)(jiao)(jiao)長(chang)。紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)一(yi)(yi)般(ban)裝配(pei)在設(she)(she)(she)備上面，規廠家生(sheng)產的(de)紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)一(yi)(yi)般(ban)較(jiao)(jiao)(jiao)長(chang)時(shi)間(jian)都不需要進(jin)行(xing)更換，這類電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)通常(chang)處于(yu)設(she)(she)(she)備的(de)內部(bu)，很少(shao)與外(wai)界進(jin)行(xing)直(zhi)接的(de)接觸，因此(ci)它(ta)能得到很好的(de)防(fang)護(hu)，使(shi)用壽(shou)命(ming)(ming)也(ye)(ye)比(bi)(bi)較(jiao)(jiao)(jiao)長(chang)。紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)主要的(de)用途是：計算器，助聽(ting)器，相機，手(shou)表等小型物(wu)件上。紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)電(dian)(dian)(dian)(dian)(dian)壓也(ye)(ye)比(bi)(bi)較(jiao)(jiao)(jiao)平穩(wen)，電(dian)(dian)(dian)(dian)(dian)壓平穩(wen)是指在持(chi)(chi)續(xu)輸出(chu)的(de)過(guo)程中呈現出(chu)平穩(wen)的(de)放電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)壓狀態，電(dian)(dian)(dian)(dian)(dian)流穩(wen)定，因此(ci)紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)常(chang)常(chang)被用于(yu)精(jing)密儀器中。紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)觸電(dian)(dian)(dian)(dian)(dian)容量也(ye)(ye)比(bi)(bi)較(jiao)(jiao)(jiao)大，紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)看似(si)體積較(jiao)(jiao)(jiao)小，實則它(ta)在有限的(de)空間(jian)儲存(cun)了(le)大量的(de)電(dian)(dian)(dian)(dian)(dian)流，能維持(chi)(chi)電(dian)(dian)(dian)(dian)(dian)子設(she)(she)(she)備長(chang)時(shi)間(jian)持(chi)(chi)續(xu)運(yun)轉(zhuan)，紐(niu)(niu)扣(kou)(kou)(kou)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)使(shi)用范圍也(ye)(ye)非常(chang)的(de)廣(guang)。

普通電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)也(ye)就是(shi)(shi)常(chang)用的干電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)，比如7號電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)。7號電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)也(ye)被(bei)稱作AAA電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)，是(shi)(shi)一種(zhong)(zhong)常(chang)見的電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)，電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)呈圓柱形，高43.6毫米，直(zhi)徑10.1毫米。常(chang)用于體積(ji)較(jiao)小，耗電(dian)(dian)(dian)(dian)(dian)(dian)量不太高的電(dian)(dian)(dian)(dian)(dian)(dian)子產品。既有一次性的堿性電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)，也(ye)有可(ke)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的鎳(nie)氫(qing)、鋰離子電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)。常(chang)見的干電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)為(wei)(wei)鋅錳電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)，也(ye)被(bei)稱為(wei)(wei)碳鋅電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)、堿性電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)、鎳(nie)鎘電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)與鋰電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)等。這種(zhong)(zhong)干電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)是(shi)(shi)一種(zhong)(zhong)以糊狀電(dian)(dian)(dian)(dian)(dian)(dian)解液來產生直(zhi)流電(dian)(dian)(dian)(dian)(dian)(dian)的化(hua)學.電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)，屬于一次電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)，是(shi)(shi)日常(chang)生活之中(zhong)為(wei)(wei)普遍(bian)使用，以及(ji)輕便的電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)。普通干電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)大都是(shi)(shi)錳鋅電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)，電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)是(shi)(shi)由碳棒和鋅桶做正(zheng)負極，中(zhong)間是(shi)(shi)正(zheng)極碳棒，外包石墨和二氧(yang)化(hua)錳的混合物，再外一層是(shi)(shi)一層纖維網。網上涂有很厚(hou)的電(dian)(dian)(dian)(dian)(dian)(dian)解質糊，其構成是(shi)(shi)氯化(hua)氨溶液和淀粉，還加有少(shao)量防腐劑。

人們可(ke)以在生活中根據自己的需(xu)要選(xuan)擇電(dian)池(chi)，如(ru)手表，計(ji)算器(qi)等就(jiu)可(ke)以選(xuan)擇紐(niu)扣電(dian)池(chi)。如(ru)果是遙控器(qi)，鬧鐘，大鐘表就(jiu)可(ke)以去選(xuan)擇普通電(dian)池(chi)。

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二、紐扣電池可以充電嗎

固有印象中，紐扣電池都是(shi)一(yi)次性(xing)的(de)(de)，沒電(dian)(dian)(dian)了(le)(le)就(jiu)要更(geng)換新電(dian)(dian)(dian)池。例如汽(qi)車遙控鑰匙上的(de)(de)電(dian)(dian)(dian)池，以(yi)及(ji)電(dian)(dian)(dian)腦(nao)主板BIOS芯片(pian)的(de)(de)電(dian)(dian)(dian)池，總要定(ding)期(qi)更(geng)換，否(fou)則就(jiu)會失靈、失常。不(bu)過技(ji)術總在進步，近些(xie)年來市場上出現了(le)(le)一(yi)大批可(ke)以(yi)充(chong)(chong)電(dian)(dian)(dian)的(de)(de)紐扣(kou)電(dian)(dian)(dian)池，有些(xie)廠(chang)商不(bu)僅能(neng)夠提供性(xing)能(neng)穩(wen)定(ding)的(de)(de)可(ke)充(chong)(chong)電(dian)(dian)(dian)紐扣(kou)電(dian)(dian)(dian)池，甚至還提供了(le)(le)穩(wen)定(ding)、可(ke)靠的(de)(de)充(chong)(chong)電(dian)(dian)(dian)解決方案。據我(wo)了(le)(le)解，目前比較多見(jian)的(de)(de)可(ke)充(chong)(chong)電(dian)(dian)(dian)紐扣(kou)電(dian)(dian)(dian)池主要有ML（鋰錳(meng)電(dian)(dian)(dian)池）、LIR（鋰電(dian)(dian)(dian)池）、NI-MH（鎳氫電(dian)(dian)(dian)池）和NI-Cd（鎳鎘電(dian)(dian)(dian)池）四(si)種類型(xing)，這四(si)種紐扣(kou)電(dian)(dian)(dian)池的(de)(de)尺寸、放電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)、充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)、容量、安全特(te)性(xing)以(yi)及(ji)市場價格的(de)(de)信息(xi)如下。

1、ML可(ke)充(chong)紐扣電池類型(xing)(xing)：鋰錳電池放電電壓：3V充(chong)電電壓：3V左右(you)容量(liang)：1220型(xing)(xing)電池的容量(liang)多在(zai)10mAh左右(you)。安全特性(xing)：安全性(xing)和(he)環保性(xing)等同于鋰電池市場價(jia)格及應(ying)用領域：廣泛應(ying)用于攝像頭、筆記本電腦、計算機(ji)、傳感器和(he)小型(xing)(xing)醫療設備中；1220型(xing)(xing)單顆售價(jia)多在(zai)10元左右(you)。

2、LIR可充紐扣電(dian)(dian)池(chi)類型(xing)(xing)：鋰電(dian)(dian)池(chi)放電(dian)(dian)電(dian)(dian)壓：3.7V充電(dian)(dian)電(dian)(dian)壓：5V容(rong)(rong)量(liang)：1220型(xing)(xing)電(dian)(dian)池(chi)的(de)容(rong)(rong)量(liang)多在8mAh左右(you)。安(an)全(quan)特性：比較安(an)全(quan)；無(wu)重金屬，比較環(huan)保。市場價(jia)格(ge)及應用領域：廣泛應用于使用3.7V鋰電(dian)(dian)池(chi)供電(dian)(dian)的(de)小型(xing)(xing)設(she)備和智(zhi)能設(she)備，1220型(xing)(xing)單顆售價(jia)只有3元左右(you)（價(jia)格(ge)便宜(yi)）。

3、NI-MH可充紐扣電(dian)池(chi)(chi)類型：鎳氫電(dian)池(chi)(chi)放電(dian)電(dian)壓(ya)：1.2V（單顆）充電(dian)電(dian)壓(ya)：1.2V左(zuo)右容(rong)量(liang)：1220型電(dian)池(chi)(chi)的(de)容(rong)量(liang)多在15mAh左(zuo)右。安(an)全(quan)特性：比較安(an)全(quan)；無重(zhong)金屬，比較環(huan)保(bao)。市場價(jia)格及(ji)應用(yong)領(ling)域：主要被生產廠家應用(yong)于電(dian)熱水(shui)器、電(dian)飯(fan)煲、定時器、電(dian)動玩具(ju)、汽車音響、便攜式錄音筆、稅控加油機、收銀(yin)機等設備，一組三(san)粒串聯、容(rong)量(liang)40mAh的(de)非標準尺寸NI-MH可充紐扣電(dian)池(chi)(chi)售價(jia)只有6元左(zuo)右，價(jia)格非常便宜。

4、NI-Cd可充紐(niu)扣電(dian)池類型(xing)：鎳鎘電(dian)池放電(dian)電(dian)壓、充電(dian)電(dian)壓、容量等(deng)方面(mian)均(jun)與NI-MH（鎳氫）電(dian)池相近，但由于(yu)鎘是一種重金(jin)屬(shu)，如果回收不當可能會對(dui)環(huan)境造成污染。正是由于(yu)其不環(huan)保的特(te)性(xing)，目前的應用(yong)越來越少(shao)（價格(ge)倒是非常便宜）。