電池型號尺寸一般是多少
電(dian)(dian)池(chi)型(xing)號(hao)(hao)(hao)尺(chi)寸有(you)很(hen)多,包(bao)括一號(hao)(hao)(hao)二(er)號(hao)(hao)(hao)五號(hao)(hao)(hao)七號(hao)(hao)(hao)等等,其中5號(hao)(hao)(hao)電(dian)(dian)池(chi)和7號(hao)(hao)(hao)電(dian)(dian)池(chi)是生活(huo)中最(zui)常見的兩種電(dian)(dian)池(chi)。5號(hao)(hao)(hao)電(dian)(dian)池(chi)高(gao)49.0,直(zhi)徑(jing)14.0,一般(ban)用(yong)于(yu)電(dian)(dian)子玩具(ju)或(huo)數碼(ma)設備。7號(hao)(hao)(hao)電(dian)(dian)池(chi)高(gao)44.0,直(zhi)徑(jing)10.0,一般(ban)用(yong)戶遙控器。
常用電池的類型有哪些
1、干電池
干電(dian)池(chi)(chi)(chi)也叫(jiao)錳鋅電(dian)池(chi)(chi)(chi),所謂干電(dian)池(chi)(chi)(chi)是(shi)相對(dui)于伏打電(dian)池(chi)(chi)(chi)而言,所謂錳鋅是(shi)指其原材料。針對(dui)其它(ta)材料的(de)干電(dian)池(chi)(chi)(chi)如氧化銀電(dian)池(chi)(chi)(chi),鎳鎘電(dian)池(chi)(chi)(chi)而言。錳鋅電(dian)池(chi)(chi)(chi)的(de)電(dian)壓是(shi)15V。干電(dian)池(chi)(chi)(chi)是(shi)消耗化學原料產(chan)生電(dian)能的(de),它(ta)的(de)電(dian)壓不(bu)高,所能產(chan)生的(de)持續電(dian)流不(bu)能超過1安培,因此它(ta)在一(yi)些小電(dian)器中使用率較高。
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)于數碼設備。
3、鋰電池
鋰(li)電(dian)(dian)(dian)池(chi)是(shi)指(zhi)以鋰(li)為負極的(de)電(dian)(dian)(dian)池(chi)。按所用電(dian)(dian)(dian)解(jie)質不同分為高(gao)(gao)溫熔融鹽(yan)鋰(li)電(dian)(dian)(dian)池(chi)、有(you)機電(dian)(dian)(dian)解(jie)質鋰(li)電(dian)(dian)(dian)池(chi)、無機非水(shui)電(dian)(dian)(dian)解(jie)質鋰(li)電(dian)(dian)(dian)池(chi)、固體電(dian)(dian)(dian)解(jie)質鋰(li)電(dian)(dian)(dian)池(chi)、鋰(li)水(shui)電(dian)(dian)(dian)池(chi)這(zhe)幾種類型(xing)。鋰(li)電(dian)(dian)(dian)池(chi)的(de)優點(dian)是(shi)單(dan)體電(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)壓高(gao)(gao),比(bi)能量大,儲存(cun)壽命長(可達10年),高(gao)(gao)低溫性能好,可在-40~150℃使(shi)用。缺點(dian)是(shi)價(jia)格昂貴(gui),安全(quan)性不高(gao)(gao)。另外電(dian)(dian)(dian)壓滯(zhi)后和安全(quan)問(wen)題(ti)尚(shang)待(dai)改(gai)善。
廢電池有什么危害
廢(fei)舊電池中的(de)金屬汞(gong)能(neng)(neng)溶(rong)解于脂肪,引(yin)發動物(wu)中樞神(shen)(shen)經疾病,致(zhi)(zhi)畸、致(zhi)(zhi)變、致(zhi)(zhi)癌甚(shen)至死亡(wang)。鎘(ge)使(shi)骨質軟化(hua)、骨骼變形,嚴重時形成自然骨折,以致(zhi)(zhi)死亡(wang)。鋅(xin)的(de)鹽類(lei)使(shi)蛋白質沉(chen)淀,對皮膚黏膜有(you)刺激作用(yong)。鉛主要是導致(zhi)(zhi)貧(pin)血(xue)、神(shen)(shen)經功(gong)(gong)能(neng)(neng)失調和腎損傷,抑制血(xue)紅蛋白的(de)合(he)(he)成代謝(xie)。鎳溶(rong)解于血(xue)液,會(hui)引(yin)起血(xue)管變異。錳(meng)會(hui)引(yin)起神(shen)(shen)經性功(gong)(gong)能(neng)(neng)障礙,綜合(he)(he)性功(gong)(gong)能(neng)(neng)紊亂,較(jiao)重者(zhe)出現精神(shen)(shen)癥狀(zhuang)。