電池型號尺寸一般是多少
電池型號(hao)尺寸有很多,包括一號(hao)二號(hao)五(wu)號(hao)七(qi)號(hao)等等,其(qi)中5號(hao)電池和(he)7號(hao)電池是(shi)生活(huo)中最常見的兩種電池。5號(hao)電池高49.0,直(zhi)徑(jing)14.0,一般用于電子玩具或數碼設備。7號(hao)電池高44.0,直(zhi)徑(jing)10.0,一般用戶遙(yao)控器。
常用電池的類型有哪些
1、干電池
干電(dian)(dian)(dian)池(chi)(chi)(chi)也叫錳(meng)鋅電(dian)(dian)(dian)池(chi)(chi)(chi),所謂干電(dian)(dian)(dian)池(chi)(chi)(chi)是(shi)(shi)相對于伏打電(dian)(dian)(dian)池(chi)(chi)(chi)而言(yan),所謂錳(meng)鋅是(shi)(shi)指其(qi)原材料。針對其(qi)它材料的(de)干電(dian)(dian)(dian)池(chi)(chi)(chi)如氧化(hua)銀電(dian)(dian)(dian)池(chi)(chi)(chi),鎳(nie)鎘電(dian)(dian)(dian)池(chi)(chi)(chi)而言(yan)。錳(meng)鋅電(dian)(dian)(dian)池(chi)(chi)(chi)的(de)電(dian)(dian)(dian)壓是(shi)(shi)15V。干電(dian)(dian)(dian)池(chi)(chi)(chi)是(shi)(shi)消耗化(hua)學原料產生(sheng)電(dian)(dian)(dian)能的(de),它的(de)電(dian)(dian)(dian)壓不(bu)高(gao),所能產生(sheng)的(de)持續(xu)電(dian)(dian)(dian)流(liu)不(bu)能超過1安培,因此(ci)它在(zai)一些小電(dian)(dian)(dian)器中使(shi)用率較(jiao)高(gao)。
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于數(shu)碼設備。
3、鋰電池
鋰(li)電(dian)(dian)池(chi)(chi)是(shi)指以鋰(li)為負極的電(dian)(dian)池(chi)(chi)。按所用電(dian)(dian)解(jie)質(zhi)不(bu)同分(fen)為高溫熔(rong)融鹽(yan)鋰(li)電(dian)(dian)池(chi)(chi)、有機(ji)電(dian)(dian)解(jie)質(zhi)鋰(li)電(dian)(dian)池(chi)(chi)、無機(ji)非(fei)水電(dian)(dian)解(jie)質(zhi)鋰(li)電(dian)(dian)池(chi)(chi)、固體電(dian)(dian)解(jie)質(zhi)鋰(li)電(dian)(dian)池(chi)(chi)、鋰(li)水電(dian)(dian)池(chi)(chi)這(zhe)幾(ji)種類型。鋰(li)電(dian)(dian)池(chi)(chi)的優點(dian)是(shi)單(dan)體電(dian)(dian)池(chi)(chi)電(dian)(dian)壓高,比能(neng)量大,儲(chu)存壽(shou)命長(可(ke)達10年),高低溫性能(neng)好,可(ke)在-40~150℃使用。缺(que)點(dian)是(shi)價格昂貴,安全性不(bu)高。另外電(dian)(dian)壓滯后(hou)和安全問題尚待改善。
廢電池有什么危害
廢(fei)舊電池中的金(jin)屬(shu)汞能(neng)溶解(jie)于(yu)脂(zhi)肪,引發動物中樞神(shen)(shen)經疾(ji)病(bing),致(zhi)畸、致(zhi)變、致(zhi)癌甚至死(si)亡。鎘使骨(gu)質軟化、骨(gu)骼變形(xing)(xing),嚴重時形(xing)(xing)成自(zi)然骨(gu)折,以致(zhi)死(si)亡。鋅的鹽類使蛋(dan)白質沉淀,對皮膚黏(nian)膜有刺(ci)激作用(yong)。鉛主要是(shi)導(dao)致(zhi)貧血、神(shen)(shen)經功能(neng)失(shi)調和腎(shen)損傷,抑制血紅蛋(dan)白的合(he)成代謝。鎳溶解(jie)于(yu)血液,會引起血管(guan)變異。錳會引起神(shen)(shen)經性功能(neng)障礙,綜(zong)合(he)性功能(neng)紊亂,較重者出現精神(shen)(shen)癥狀。