鎳氫電池充電時間計算
鎳氫電池充電時間長(chang)短計算方法:電池容量除以(yi)充電電流,再(zai)乘以(yi)系數1.2(或者(zhe)1.1),時間單(dan)位為小時。
步驟/方法
電(dian)池(chi)容量除以充電(dian)電(dian)流(liu),再乘以系(xi)數1.2(或者1.1),時(shi)間(jian)單位為小時(shi)。
例(li)如:某鎳(nie)氫(qing)電(dian)(dian)(dian)(dian)池(chi)的(de)(de)容量為1200mA,充(chong)電(dian)(dian)(dian)(dian)器(qi)充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流為600mA,充(chong)電(dian)(dian)(dian)(dian)時間即為(1200mA/600mA)×1.2=2.4小時,那么(me)這塊鎳(nie)氫(qing)電(dian)(dian)(dian)(dian)池(chi)使用這個充(chong)電(dian)(dian)(dian)(dian)器(qi)的(de)(de)充(chong)電(dian)(dian)(dian)(dian)時間就為2.4小時。
鎳氫電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian)時間(jian)(jian)和充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流的關(guan)系為電(dian)(dian)(dian)(dian)池容(rong)量除(chu)以充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流得(de)到充電(dian)(dian)(dian)(dian)時間(jian)(jian),考慮充電(dian)(dian)(dian)(dian)過(guo)程中的損(sun)耗,所(suo)以將(jiang)計算得(de)到的充電(dian)(dian)(dian)(dian)時間(jian)(jian)再乘以1.1或者1.2這個常(chang)數(shu)。
根據(ju)標識,你可以計算(suan)出(chu)個大概的時(shi)間(jian)的。如(ru)果它是普通的充電器,而(er)且電流很小的話,充電時(shi)間(jian)一定(ding)很長的。
以上計算方法不適用于新電池。一般說來,新電池前三次充電時,尤其是鎳鎘電池和(he)鎳(nie)氫電(dian)池,標(biao)準充電(dian)在15個小時(shi)左右(0.1C),這樣才能使電(dian)池的(de)使用(yong)時(shi)間達到最(zui)大值。以后則可參照上面的(de)方法計算電(dian)池充電(dian)時(shi)間。
鎳氫電池的充電方法
科學的(de)充電(dian)方法可以延長(chang)鎳氫電(dian)池(chi)的(de)使(shi)用壽命(ming)。
1、一般情況下,新的鎳氫電池只有很少的電量,購買后要先進行充電然后再使用。但如(ru)果(guo)電(dian)池出廠時間(jian)短,電(dian)量很(hen)足(zu),推薦先使(shi)用再充電(dian)。新的鎳氫電(dian)池一般要經過(guo)3-4次的充電(dian)和使(shi)用,性能(neng)才能(neng)發揮到最佳狀態。
2、鎳(nie)氫電(dian)池的記憶效應雖(sui)然(ran)(ran)小(xiao),最好還是每次使(shi)用(yong)完(wan)再(zai)充(chong)電(dian),并(bing)且(qie)是一次性充(chong)滿,不要(yao)(yao)充(chong)一會用(yong)一會然(ran)(ran)后再(zai)充(chong)。這是“延年益壽”的重要(yao)(yao)一點(dian)。
3、充電(dian)(dian)的(de)時候(hou),要注意充電(dian)(dian)器周(zhou)圍的(de)散熱。不用的(de)時候(hou)要保持電(dian)(dian)池清潔(jie),尤其是(shi)兩端的(de)觸點(dian),必(bi)要時使(shi)用柔軟(ruan)的(de)干布輕擦。長時間不用的(de)話(hua),要把電(dian)(dian)池從電(dian)(dian)池倉(cang)中取(qu)出,置于干燥的(de)環境中。
4、鎳氫電池在(zai)(zai)(zai)存放幾個(ge)月后,會(hui)進入一種“休(xiu)眠”狀態,電(dian)池(chi)壽命大大降低。如果(guo)鎳(nie)氫電(dian)池(chi)已經(jing)放置了很長時(shi)間,建(jian)議先用慢充(chong)進行充(chong)電(dian)為(wei)宜。一般鎳(nie)氫電(dian)池(chi)在(zai)(zai)(zai)充(chong)電(dian)前,電(dian)壓(ya)是在(zai)(zai)(zai)1.2V以(yi)下,充(chong)滿(man)后正常電(dian)壓(ya)在(zai)(zai)(zai)1.4V左右(you)。以(yi)此可(ke)以(yi)判斷電(dian)池(chi)是否已經(jing)充(chong)滿(man)。
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