鋰電池充電講究
鋰電池充電講究少食多餐,長時間充傷手機電量耗光損壽命
“手機(ji)電(dian)池應該用(yong)光了之后再充(chong)電(dian)”、“過度充(chong)電(dian)電(dian)池會(hui)爆炸”……很長(chang)一段時間里,關于手機(ji)電(dian)池充(chong)電(dian)的(de)說(shuo)法眾說(shuo)紛紜(yun),一些充(chong)電(dian)誤區經(jing)常(chang)弄得人們一頭霧水。那么,如(ru)何才能正確充(chong)電(dian),既保(bao)證安全,又能延(yan)長(chang)電(dian)池的(de)使用(yong)壽命呢?
中國(guo)(guo)家電(dian)研究院國(guo)(guo)家家用電(dian)器質量監(jian)督檢(jian)驗中心(xin)綜合檢(jian)驗部(bu)主(zhu)任魯建國(guo)(guo)表示(shi),早(zao)期的鎳(nie)鎘電(dian)池和鎳(nie)氫電(dian)池需要
幾次(ci)完(wan)全充放電(dian)(dian)(dian)來激(ji)活。這(zhe)些電(dian)(dian)(dian)池(chi)(chi)會產生“記(ji)(ji)憶效(xiao)應”,在(zai)不(bu)完(wan)全放電(dian)(dian)(dian)的狀(zhuang)態下充電(dian)(dian)(dian),易(yi)使電(dian)(dian)(dian)池(chi)(chi)過度充電(dian)(dian)(dian),時(shi)間長了會讓使用者覺得電(dian)(dian)(dian)很(hen)快就(jiu)用完(wan)了。不(bu)過,現(xian)在(zai)的手機和筆記(ji)(ji)本電(dian)(dian)(dian)腦上所用的電(dian)(dian)(dian)池(chi)(chi),大都是鋰電(dian)(dian)(dian)池(chi)(chi)。它的初始化過程已在(zai)制造時(shi)完(wan)成,因(yin)此開(kai)始使用時(shi)不(bu)需要激(ji)活。
一般鋰電池的壽命可達到幾百次充放電循環,這里的充放電循環是指將電量用光后再充滿的過程,而不是插上充電器再拔掉就算一次。鋰電池沒有記憶效應,可以隨時充電,為了減少充電次數而刻意將電池用光后再充滿,并不能延長電池壽命,反而對電池的壽命有負面影響。鋰電池充電講究“少食多餐”,頻繁的淺度充放電更有助于延長其壽命。同時,充滿電后要盡快拔掉電源,否則電池一直保持滿電狀態,會加快電池容量的損失速度。