電池型號尺寸一般是多少
電(dian)池(chi)型號(hao)尺寸(cun)有很多,包(bao)括一(yi)號(hao)二號(hao)五號(hao)七號(hao)等等,其(qi)中5號(hao)電(dian)池(chi)和7號(hao)電(dian)池(chi)是(shi)生活中最常見的(de)兩種電(dian)池(chi)。5號(hao)電(dian)池(chi)高(gao)49.0,直(zhi)徑14.0,一(yi)般用(yong)于電(dian)子玩(wan)具或數碼設(she)備。7號(hao)電(dian)池(chi)高(gao)44.0,直(zhi)徑10.0,一(yi)般用(yong)戶(hu)遙控器。
常用電池的類型有哪些
1、干電池
干電(dian)池(chi)(chi)也叫錳鋅(xin)(xin)電(dian)池(chi)(chi),所(suo)謂干電(dian)池(chi)(chi)是(shi)相(xiang)對于伏打電(dian)池(chi)(chi)而言(yan)(yan),所(suo)謂錳鋅(xin)(xin)是(shi)指其原材料(liao)。針對其它材料(liao)的干電(dian)池(chi)(chi)如氧化銀電(dian)池(chi)(chi),鎳(nie)鎘電(dian)池(chi)(chi)而言(yan)(yan)。錳鋅(xin)(xin)電(dian)池(chi)(chi)的電(dian)壓是(shi)15V。干電(dian)池(chi)(chi)是(shi)消耗化學原料(liao)產生電(dian)能(neng)的,它的電(dian)壓不高,所(suo)能(neng)產生的持(chi)續(xu)電(dian)流(liu)不能(neng)超過1安培,因此它在一些小(xiao)電(dian)器中使用率較(jiao)高。
2、蓄電池
蓄電池是應用最廣泛的電池之一,它的正負極之間有2伏的電壓。蓄電池的好處是可以反復多次使用,不斷進行充放電。另外,由于它的內阻極小,所以可以提供很大的電流。用它給汽車的發動機供電,瞬時電流可達20多安培。蓄電池充電時能將電能貯存起來,放電時又把化學能轉化為電能。但是蓄電池存在記憶效應,在充放電過程中如果處理不當,會使得其服務壽命大大縮短,這個缺點導致這類電池品牌產品不能用(yong)于數碼設(she)備。
3、鋰電池
鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)是(shi)指以鋰(li)(li)(li)為負極(ji)的電(dian)(dian)池(chi)(chi)(chi)。按所用(yong)電(dian)(dian)解質(zhi)(zhi)不(bu)(bu)同分(fen)為高溫熔融(rong)鹽鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)、有(you)機(ji)電(dian)(dian)解質(zhi)(zhi)鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)、無機(ji)非水電(dian)(dian)解質(zhi)(zhi)鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)、固體(ti)電(dian)(dian)解質(zhi)(zhi)鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)、鋰(li)(li)(li)水電(dian)(dian)池(chi)(chi)(chi)這(zhe)幾(ji)種(zhong)類型。鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)的優(you)點(dian)是(shi)單體(ti)電(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)壓(ya)(ya)高,比能量大,儲存壽命長(可達10年),高低溫性(xing)能好,可在(zai)-40~150℃使用(yong)。缺點(dian)是(shi)價格(ge)昂貴(gui),安(an)全性(xing)不(bu)(bu)高。另外電(dian)(dian)壓(ya)(ya)滯后和安(an)全問題尚待(dai)改善。
廢電池有什么危害
廢舊(jiu)電池中(zhong)的金屬汞能(neng)溶解(jie)于(yu)脂肪(fang),引(yin)發動物中(zhong)樞神經(jing)疾病(bing),致畸、致變(bian)(bian)、致癌甚至死亡(wang)(wang)。鎘使骨(gu)質(zhi)軟化、骨(gu)骼變(bian)(bian)形,嚴重時形成自然骨(gu)折,以致死亡(wang)(wang)。鋅的鹽類(lei)使蛋(dan)白質(zhi)沉淀,對皮膚黏(nian)膜有刺(ci)激作(zuo)用。鉛主要是(shi)導(dao)致貧(pin)血(xue)、神經(jing)功(gong)能(neng)失調和腎(shen)損傷,抑制血(xue)紅蛋(dan)白的合(he)成代謝。鎳溶解(jie)于(yu)血(xue)液(ye),會(hui)引(yin)起(qi)血(xue)管變(bian)(bian)異。錳(meng)會(hui)引(yin)起(qi)神經(jing)性功(gong)能(neng)障礙(ai),綜(zong)合(he)性功(gong)能(neng)紊亂(luan),較(jiao)重者(zhe)出現精神癥狀(zhuang)。