充電電池不能充電的原因分析
市(shi)場上主要有(you)兩種充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)鎳氫電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)和鋰離(li)子電(dian)(dian)(dian)(dian)池(chi)(chi)(chi),人們關注的電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)充(chong)不進電(dian)(dian)(dian)(dian)的問題大抵是針對這(zhe)兩種類(lei)型(xing)的。同(tong)一類(lei)型(xing)和規(gui)格(ge)的電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)又可以通過并聯(lian)、串聯(lian)和混聯(lian)組成(cheng)不同(tong)電(dian)(dian)(dian)(dian)芯數(shu)目(mu)的組合電(dian)(dian)(dian)(dian)池(chi)(chi)(chi),作為一個普(pu)遍現象,人們希(xi)望了解電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)及電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)組充(chong)不進電(dian)(dian)(dian)(dian)的背后(hou)原因進而尋求解決之道(dao)。
電(dian)(dian)池充不進電(dian)(dian)的(de)(de)原(yuan)(yuan)因(yin)從大的(de)(de)方面來(lai)說,可以(yi)分為電(dian)(dian)池自身固(gu)有(you)的(de)(de)內部原(yuan)(yuan)因(yin)和電(dian)(dian)池實施充電(dian)(dian)的(de)(de)外部原(yuan)(yuan)因(yin)。鋰離子電(dian)(dian)池以(yi)其更優越的(de)(de)性能(neng)正(zheng)在逐步占領鎳氫電(dian)(dian)池的(de)(de)原(yuan)(yuan)有(you)市場,所以(yi),這里以(yi)鋰電(dian)(dian)池充電(dian)(dian)為主進行說明,有(you)區別的(de)(de)地方提到鎳氫電(dian)(dian)池。
電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)充不(bu)(bu)(bu)進電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)內因有(you):電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)零(ling)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓或者組(zu)(zu)合電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)中(zhong)(zhong)有(you)零(ling)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)零(ling)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓要么本身就是(shi)不(bu)(bu)(bu)合格(ge)品(pin),出廠時(shi)就沒有(you)達(da)到相應的(de)(de)(de)標稱容(rong)量(liang)和電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓值,要么屬于(yu)壽終正寢(qin),因長期(qi)(qi)使(shi)用(yong),容(rong)量(liang)耗(hao)盡,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓降而為(wei)零(ling)。考(kao)慮到鋰電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)經(jing)過長期(qi)(qi)擱置,如(ru)(ru)一(yi)年(nian)以上,也可(ke)能以自放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)形式把(ba)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)量(liang)放(fang)盡從(cong)而使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓為(wei)零(ling),現(xian)在的(de)(de)(de)鋰電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)保護方(fang)案在設計上要求電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)零(ling)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓時(shi)也能充進電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。因而,對于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)零(ling)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓有(you)兩(liang)種(zhong)區別:一(yi)種(zhong)是(shi)能夠充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)繼(ji)續使(shi)用(yong)的(de)(de)(de),另一(yi)種(zhong)是(shi)以完(wan)全沒有(you)使(shi)用(yong)價值的(de)(de)(de);換句(ju)話說,前者容(rong)量(liang)損失是(shi)可(ke)逆的(de)(de)(de),而后者是(shi)不(bu)(bu)(bu)可(ke)逆的(de)(de)(de)。充不(bu)(bu)(bu)進電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)零(ling)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)如(ru)(ru)果(guo)不(bu)(bu)(bu)幸設計到鋰電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)(zu)中(zhong)(zhong),就可(ke)能通過保護芯片把(ba)零(ling)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓信號傳導到電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)(zu)中(zhong)(zhong),從(cong)而關斷MOSFET,使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)(zu)無法充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。
點(dian)池(chi)(chi)組連(lian)接錯誤(wu)。這(zhe)種(zhong)情(qing)(qing)(qing)況(kuang)(kuang)出(chu)(chu)(chu)(chu)現(xian)的(de)可能(neng)性較(jiao)小,因為(wei)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)或電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)組出(chu)(chu)(chu)(chu)廠(chang)時一般都要求全(quan)(quan)檢,正規廠(chang)家(jia)的(de)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)出(chu)(chu)(chu)(chu)現(xian)這(zhe)種(zhong)情(qing)(qing)(qing)況(kuang)(kuang)除非(fei)是某批電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)出(chu)(chu)(chu)(chu)廠(chang)時沒有(you)全(quan)(quan)檢,而(er)恰恰連(lian)接錯誤(wu)的(de)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)組就在未檢之列。當然,對于非(fei)正規廠(chang)家(jia)出(chu)(chu)(chu)(chu)品或者(zhe)個人組裝則另當別論,出(chu)(chu)(chu)(chu)現(xian)連(lian)接錯誤(wu)并不(bu)能(neng)完全(quan)(quan)杜絕。相對來說,鎳氫電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)組全(quan)(quan)檢率低些(xie),這(zhe)種(zhong)錯誤(wu)的(de)概率可能(neng)會大一點(dian)。內部(bu)電(dian)(dian)(dian)(dian)(dian)子(zi)元件(jian)、保(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)(dian)路(lu)出(chu)(chu)(chu)(chu)現(xian)異(yi)常。這(zhe)種(zhong)情(qing)(qing)(qing)況(kuang)(kuang)大抵是電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)用久后出(chu)(chu)(chu)(chu)現(xian)的(de),電(dian)(dian)(dian)(dian)(dian)子(zi)元件(jian)的(de)老化、脫(tuo)落均(jun)會導致電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)出(chu)(chu)(chu)(chu)現(xian)異(yi)常,尤其是集成到保(bao)護(hu)(hu)電(dian)(dian)(dian)(dian)(dian)路(lu)的(de)電(dian)(dian)(dian)(dian)(dian)子(zi)元件(jian)出(chu)(chu)(chu)(chu)現(xian)上述(shu)情(qing)(qing)(qing)況(kuang)(kuang)后會直(zhi)接影響到電(dian)(dian)(dian)(dian)(dian)路(lu)的(de)保(bao)護(hu)(hu)功能(neng)的(de)發揮,從(cong)而(er)不(bu)能(neng)正確指(zhi)導充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)過程(cheng)。
充電行為中導致充不進電的外部原因有:充電器與電池不配套,特別是不配套的充電器與鋰電池充電電流設計的差異會導致充電時瞬間電流過大,鋰電池實施過流保護中止充電。解決這種不配套特別是注意不要把鎳氫充電器與鋰電充電器混用(yong),有些萬能充(chong)電(dian)(dian)器也盡量不要“萬能”使用(yong)。充(chong)電(dian)(dian)設備故障,無輸(shu)出電(dian)(dian)壓。出現這種情(qing)況,只需要把電(dian)(dian)池放到另一個同型號的充(chong)電(dian)(dian)器上充(chong)電(dian)(dian)即(ji)可。不適宜(yi)的充(chong)電(dian)(dian)環(huan)境,充(chong)電(dian)(dian)器和充(chong)電(dian)(dian)電(dian)(dian)池都(dou)(dou)有自己的工作環(huan)境,越過了兩者(zhe)中(zhong)任何一個限定條件,不論是高溫(wen)還是低溫(wen)都(dou)(dou)會令充(chong)電(dian)(dian)無法(fa)進行。
解(jie)決電(dian)池充不(bu)進電(dian)問題(ti)無外乎診斷(duan)和治療。診斷(duan)的(de)(de)(de)秩序是先外因(yin)(yin)后內(nei)因(yin)(yin),因(yin)(yin)為充電(dian)方法出現的(de)(de)(de)問題(ti)只要改正就行了,而(er)內(nei)因(yin)(yin)則(ze)需要專業(ye)的(de)(de)(de)電(dian)池知(zhi)識和電(dian)池檢測設(she)備才(cai)能得(de)出正確結論,在自己不(bu)能解(jie)決的(de)(de)(de)情況下,可以拿到專業(ye)的(de)(de)(de)維(wei)修網點(dian)進行維(wei)護。