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【鋰電池百科】鋰電池的充電方法 如何保養鋰電池

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導語

人(ren)們常將(jiang)鋰(li)離子(zi)(zi)電(dian)(dian)(dian)池(chi)稱為鋰(li)電(dian)(dian)(dian)池(chi),實際上,這(zhe)兩(liang)者嚴格上來說是不(bu)同的。鋰(li)電(dian)(dian)(dian)池(chi)是以金屬鋰(li)做負極活性物質的電(dian)(dian)(dian)池(chi)總稱,它一(yi)般指的是一(yi)次鋰(li)電(dian)(dian)(dian)池(chi),不(bu)可進行(xing)循環充電(dian)(dian)(dian),且易產生枝晶引起(qi)爆炸(zha),因(yin)此(ci)很(hen)少應(ying)用(yong)于日常電(dian)(dian)(dian)子(zi)(zi)產品(pin)。但隨著(zhu)鋰(li)離子(zi)(zi)電(dian)(dian)(dian)池(chi)運用(yong)越來越廣泛,鋰(li)電(dian)(dian)(dian)池(chi)的概念不(bu)斷被模糊,因(yin)此(ci)人(ren)們便將(jiang)鋰(li)離子(zi)(zi)電(dian)(dian)(dian)池(chi)稱為鋰(li)電(dian)(dian)(dian)池(chi)。接下(xia)來就和小編一(yi)起(qi)來看(kan)看(kan)鋰(li)電(dian)(dian)(dian)池(chi)的百科吧。

  • 鋰電池品牌
  • 鋰電池網購
  • 目錄
    鋰電池是什么
    鋰電池怎么充電
    鋰電池的壽命
    鋰電池會爆炸嗎
    鋰電池的優缺點
    鋰電池的保養方法
    鋰電池如何選購
    鋰電池什么牌子好
    1
    鋰電池是什么
    鋰電池

    隨(sui)(sui)著科學技術的(de)(de)發展,現(xian)在鋰(li)電(dian)(dian)(dian)池類產品已(yi)經成為(wei)了主流。鋰(li)電(dian)(dian)(dian)池是(shi)一(yi)類由鋰(li)金(jin)(jin)屬(shu)或鋰(li)合金(jin)(jin)為(wei)負極材,使用非(fei)水(shui)電(dian)(dian)(dian)解質溶液制(zhi)作而成的(de)(de)電(dian)(dian)(dian)池,大致可(ke)分為(wei)鋰(li)金(jin)(jin)屬(shu)電(dian)(dian)(dian)池和(he)鋰(li)離子電(dian)(dian)(dian)池這(zhe)兩種類別。在文獻和(he)現(xian)實生活中,鋰(li)電(dian)(dian)(dian)池和(he)鋰(li)離子電(dian)(dian)(dian)池是(shi)互相區別而又有(you)繼(ji)承(cheng)和(he)發展關系的(de)(de)一(yi)對概念,而隨(sui)(sui)著鋰(li)離子電(dian)(dian)(dian)池的(de)(de)運用越(yue)(yue)來越(yue)(yue)廣泛,人們(men)便(bian)普遍將鋰(li)離子電(dian)(dian)(dian)池稱為(wei)鋰(li)電(dian)(dian)(dian)池。

    鋰(li)(li)金(jin)屬(shu)電(dian)(dian)(dian)池(chi)最早(zao)于1912年出并研(yan)究,也可稱為鋰(li)(li)原電(dian)(dian)(dian)池(chi),它是(shi)一種(zhong)一次性(xing)電(dian)(dian)(dian)池(chi),主要(yao)有鋰(li)(li)錳(meng),鋰(li)(li)鐵電(dian)(dian)(dian)池(chi)等(deng)等(deng)。鋰(li)(li)金(jin)屬(shu)電(dian)(dian)(dian)池(chi)可以(yi)連(lian)續放電(dian)(dian)(dian),也可以(yi)間歇放電(dian)(dian)(dian),一旦電(dian)(dian)(dian)能耗盡便(bian)不能再用(yong),不可充(chong)電(dian)(dian)(dian),充(chong)電(dian)(dian)(dian)極容(rong)易引起(qi)爆炸。

    鋰離(li)子(zi)電(dian)池是(shi)指以(yi)兩(liang)種(zhong)不(bu)同(tong)的(de)(de),能夠(gou)可逆(ni)的(de)(de),嵌(qian)入和(he)(he)脫嵌(qian)鋰離(li)子(zi)的(de)(de)嵌(qian)鋰化合物分別作為(wei)電(dian)池正(zheng)極(ji)(ji)和(he)(he)負(fu)極(ji)(ji)的(de)(de)二次電(dian)池體(ti)(ti)系,鋰離(li)子(zi)電(dian)池可循(xun)環充電(dian)。鋰電(dian)池和(he)(he)鋰離(li)子(zi)電(dian)池的(de)(de)相同(tong)點(dian)是(shi)在正(zheng)極(ji)(ji)和(he)(he)電(dian)解質上,兩(liang)種(zhong)電(dian)池都采用金屬(shu)氧化物和(he)(he)硫化物作為(wei)正(zheng)極(ji)(ji),而以(yi)有(you)機溶劑或無(wu)機鹽體(ti)(ti)系作為(wei)電(dian)解質。

    2
    鋰電池怎么充電

    一(yi)、新電池充電

    新電(dian)池一般要激(ji)(ji)活(huo),電(dian)池放置一段時間后,會進入休眠狀態,此時容(rong)量低于正(zheng)常值,使用時間亦隨(sui)之縮短,因此需要激(ji)(ji)活(huo)。鋰(li)電(dian)池激(ji)(ji)活(huo)方法(fa)非常簡單,只(zhi)要經過(guo)3—5次正(zheng)常的充放電(dian)循(xun)環就可激(ji)(ji)活(huo)電(dian)池,恢復正(zheng)常容(rong)量。

    二、舊電(dian)池(chi)充電(dian)

    1、充電方法

    舊電(dian)(dian)池(chi)是(shi)指已經充(chong)(chong)放(fang)電(dian)(dian)多次(ci)的(de)(de)電(dian)(dian)池(chi),而不(bu)是(shi)報廢的(de)(de)電(dian)(dian)池(chi)。鋰電(dian)(dian)池(chi)的(de)(de)壽(shou)命與(yu)充(chong)(chong)放(fang)電(dian)(dian)的(de)(de)次(ci)數(shu)無關,它沒(mei)有記憶效應,不(bu)論你怎(zen)么充(chong)(chong)電(dian)(dian),都不(bu)會(hui)影響充(chong)(chong)電(dian)(dian)循環次(ci)數(shu)。因(yin)此不(bu)要把電(dian)(dian)池(chi)用到完全沒(mei)電(dian)(dian)才去充(chong)(chong)電(dian)(dian),最好是(shi)當(dang)你能充(chong)(chong)電(dian)(dian)時(shi),就盡量把電(dian)(dian)池(chi)充(chong)(chong)飽,充(chong)(chong)電(dian)(dian)時(shi)間(jian)以2-3小(xiao)時(shi)以內為(wei)宜,當(dang)然你也(ye)不(bu)一定非要充(chong)(chong)滿(man)。

    2、充電電壓

    鋰電(dian)(dian)(dian)(dian)池安全(quan)工作電(dian)(dian)(dian)(dian)壓范(fan)圍是2.8到4.2V,低于(yu)或高于(yu)這(zhe)個電(dian)(dian)(dian)(dian)壓范(fan)圍,電(dian)(dian)(dian)(dian)池中的(de)(de)鋰離(li)子變得非常不穩定(ding),甚(shen)至造成事故。為保(bao)證電(dian)(dian)(dian)(dian)池處于(yu)安全(quan)范(fan)圍,因此需(xu)要專門的(de)(de)充(chong)電(dian)(dian)(dian)(dian)器。這(zhe)些充(chong)電(dian)(dian)(dian)(dian)器會自動根據電(dian)(dian)(dian)(dian)池當前狀(zhuang)態而調整充(chong)電(dian)(dian)(dian)(dian)方式。

    3、充電工具

    鋰電(dian)(dian)(dian)池(chi)(chi)(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)要(yao)用專用的充(chong)(chong)(chong)電(dian)(dian)(dian)器,它可(ke)以保障充(chong)(chong)(chong)電(dian)(dian)(dian)的安(an)全(quan)性。充(chong)(chong)(chong)電(dian)(dian)(dian)器工作時(shi)(shi),以恒(heng)定的電(dian)(dian)(dian)流給電(dian)(dian)(dian)池(chi)(chi)(chi)充(chong)(chong)(chong)電(dian)(dian)(dian),隨著(zhu)電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)壓(ya)的升(sheng)高(gao),充(chong)(chong)(chong)電(dian)(dian)(dian)器同時(shi)(shi)提高(gao)充(chong)(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya),以加快充(chong)(chong)(chong)電(dian)(dian)(dian)速度(du)。當(dang)電(dian)(dian)(dian)池(chi)(chi)(chi)到(dao)(dao)達4.2V截止(zhi)電(dian)(dian)(dian)壓(ya)時(shi)(shi)候(hou),此(ci)時(shi)(shi)電(dian)(dian)(dian)池(chi)(chi)(chi)大約僅(jin)沖入70%左右的電(dian)(dian)(dian)量(并未飽滿)。此(ci)時(shi)(shi)充(chong)(chong)(chong)電(dian)(dian)(dian)器即以恒(heng)定的電(dian)(dian)(dian)壓(ya),逐(zhu)漸(jian)變小(xiao)的電(dian)(dian)(dian)流對電(dian)(dian)(dian)池(chi)(chi)(chi)繼續(xu)充(chong)(chong)(chong)電(dian)(dian)(dian),當(dang)值(zhi)至小(xiao)于0.1A充(chong)(chong)(chong)電(dian)(dian)(dian)仍然(ran)檢測到(dao)(dao)電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)壓(ya)繼續(xu)升(sheng)高(gao)時(shi)(shi)候(hou)才停(ting)止(zhi)充(chong)(chong)(chong)電(dian)(dian)(dian)。

    4、定期充電

    長期不用的鋰電池,應該以半電狀態,存放在陰涼偏干燥的地方。滿電存放有危險,且電池會有損害,而無電存放,電池可能會被破壞,從而失去作用。在存放過程中,每隔3--6個月,要完成一個充電周期,做一次電量校準。【詳(xiang)細>>】

    3
    鋰電池的壽命

    鋰電(dian)(dian)池一(yi)般(ban)能(neng)夠完(wan)全充(chong)(chong)(chong)放300-500個充(chong)(chong)(chong)電(dian)(dian)周(zhou)(zhou)期(qi)(qi)(qi),超過這個次(ci)數(shu),電(dian)(dian)池就(jiu)(jiu)不能(neng)用(yong)了,當然(ran),這只(zhi)(zhi)能(neng)作為參考。鋰電(dian)(dian)池壽命(ming)和充(chong)(chong)(chong)電(dian)(dian)次(ci)數(shu)無(wu)關(guan)(guan),與充(chong)(chong)(chong)放電(dian)(dian)的周(zhou)(zhou)期(qi)(qi)(qi)有關(guan)(guan),也(ye)就(jiu)(jiu)是從零電(dian)(dian)量充(chong)(chong)(chong)到(dao)滿電(dian)(dian)量的次(ci)數(shu)。一(yi)個充(chong)(chong)(chong)電(dian)(dian)周(zhou)(zhou)期(qi)(qi)(qi)意味著電(dian)(dian)池的所(suo)有電(dian)(dian)量由(you)滿用(yong)到(dao)空,再由(you)空充(chong)(chong)(chong)到(dao)滿的過程(cheng),這并不等同于(yu)充(chong)(chong)(chong)一(yi)次(ci)電(dian)(dian)。比如(ru)說(shuo),一(yi)塊鋰電(dian)(dian)在第一(yi)天只(zhi)(zhi)用(yong)了一(yi)半的電(dian)(dian)量,然(ran)后又為它充(chong)(chong)(chong)滿電(dian)(dian)。如(ru)果第二天還(huan)如(ru)此,即(ji)用(yong)一(yi)半就(jiu)(jiu)充(chong)(chong)(chong),總共(gong)兩次(ci)充(chong)(chong)(chong)電(dian)(dian)下來,這只(zhi)(zhi)能(neng)算(suan)作一(yi)個充(chong)(chong)(chong)電(dian)(dian)周(zhou)(zhou)期(qi)(qi)(qi),而(er)不是兩個。

    在日常生活中,通常可能要經過好幾次充電才完成一個周期。每完成一個充電周期,電池容量就會減少一點。不過,這個電量減少幅度非常小,高品質的電池充過多次周期后,仍然會保留原始容量的80%,很多鋰電供電產品在經過兩三年后仍然照常使用。當然,鋰電壽命到了最終后仍是需要更換的。【詳細>>】

    4
    鋰電池會爆炸嗎

    鋰(li)電(dian)池可能(neng)會(hui)爆炸,其爆炸原因有(you)很多(duo),可大致歸類為外部短(duan)路(lu)、內部短(duan)路(lu)、及過充三(san)種。正(zheng)常情況下,鋰(li)電(dian)池的(de)兩極(ji)(ji)本(ben)身是絕對不會(hui)接觸的(de),因此電(dian)池廠商會(hui)在兩極(ji)(ji)之間放置隔膜。

    質(zhi)(zhi)量好的(de)隔膜(mo)(mo)紙,在電(dian)池(chi)內部溫度(du)較(jiao)高時,會將(jiang)細(xi)孔(kong)關閉,將(jiang)電(dian)化學反應(ying)終止(zhi),使電(dian)流驟降,溫度(du)也(ye)慢(man)慢(man)下降,從而避(bi)免爆炸發(fa)生(sheng)。但如果(guo)在各種因素的(de)影響下,導致隔膜(mo)(mo)破裂,那么電(dian)池(chi)里所(suo)有的(de)能量都會涌向電(dian)解液(ye)(ye),而電(dian)解液(ye)(ye)本身就是一種不太穩定的(de)化學物(wu)質(zhi)(zhi),承受太多(duo)能量之后(hou),就大量發(fa)熱(re),乃(nai)至起火爆炸。

    5
    鋰電池的優缺點

    鋰電池(chi)優點(dian)

    1、鋰電池(chi)(chi)(chi)電壓(ya)平臺高,單體電池(chi)(chi)(chi)的平均電壓(ya)為3.7V或3.2V,約(yue)等于3只鎳(nie)鎘電池(chi)(chi)(chi)或鎳(nie)氫電池(chi)(chi)(chi)的串(chuan)聯電壓(ya),便(bian)于組成電池(chi)(chi)(chi)電源(yuan)組。

    2、相對電池(chi)而言鋰(li)電池(chi)能(neng)量密度高。具有(you)高儲存(cun)能(neng)量密度,目前已達到(dao)460-600Wh/kg,是鉛酸(suan)電池(chi)的(de)約6-7倍。

    3、相對(dui)鉛酸(suan)電池而言鋰電池重(zhong)量(liang)輕,相同(tong)體積下重(zhong)量(liang)約為鉛酸(suan)產品的1/5-6。

    4、鋰電池使(shi)(shi)用壽命相對較長,使(shi)(shi)用壽命可(ke)達到6年以上,磷酸亞鐵鋰為正極的(de)電池用1CDOD充(chong)放,有可(ke)以使(shi)(shi)用1000次的(de)記錄。

    5、具備(bei)高功率(lv)承受(shou)力,其中(zhong)電動汽車用的(de)(de)磷酸亞鐵(tie)鋰(li)鋰(li)離(li)子電池可以(yi)達到15-30C充放電的(de)(de)能力,便(bian)于高強度的(de)(de)啟動加速。

    6、自放電率低,無記憶效應,常(chang)(chang)應用(yong)于(yu)日常(chang)(chang)電子產品供(gong)電。

    7、鋰電池高低溫適應(ying)性強,可(ke)以在(zai)-20℃--60℃的(de)環(huan)境下使用(yong),經過工藝(yi)上的(de)處理,可(ke)以在(zai)-45℃環(huan)境下使用(yong)。

    8、綠色環(huan)保(bao),不(bu)論生產、使用和報廢,都不(bu)含(han)有、也不(bu)產生任何鉛、汞、鎘(ge)等有毒(du)有害重(zhong)金屬(shu)元素和物質(zhi)。

    鋰電池的缺點

    1、鋰電池均存在安全(quan)性差(cha),有(you)發生爆炸的危險。

    2、鈷酸(suan)鋰材料的鋰電(dian)池不(bu)能大(da)電(dian)流放(fang)電(dian),安全性較差。

    3、鋰電池(chi)(chi)均需保(bao)護線路,防(fang)止電池(chi)(chi)被過(guo)充過(guo)放(fang)電。

    4、生產要求條件高,成本高。【詳細>>】

    6
    鋰電池的保養方法

    1、鋰(li)電池應(ying)儲存在陰涼、干燥(zao)、安(an)全(quan)的(de)環(huan)境(jing),它可儲存在溫(wen)度為-5~35℃,相(xiang)(xiang)對濕(shi)度不大于75%的(de)清潔、干燥(zao)、通風的(de)環(huan)境(jing)中。注意(yi)在較熱的(de)環(huan)境(jing)中存放電池,會不可避免的(de)對電池的(de)質量造成相(xiang)(xiang)應(ying)的(de)損壞。

    2、避(bi)免(mian)將鋰電池靠近熱源(yuan)、明(ming)火、易燃易爆氣體、液體,這樣(yang)可(ke)能導致(zhi)電池泄露、發(fa)熱、冒煙、火災以(yi)及爆炸。

    3、鋰電(dian)(dian)池如(ru)需長(chang)時間儲(chu)存(超(chao)過一個(ge)月),電(dian)(dian)池電(dian)(dian)量應保持標稱容(rong)量的30%~50%,儲(chu)存時每月需對電(dian)(dian)池進行(xing)補充電(dian)(dian)1—2小時。

    4、電池應包(bao)裝成(cheng)箱進行(xing)運(yun)(yun)輸(shu)(shu),在運(yun)(yun)輸(shu)(shu)過程中(zhong)應防(fang)止(zhi)(zhi)劇烈振動(dong)、撞擊或(huo)擠壓,防(fang)止(zhi)(zhi)日曬雨淋,可(ke)使用汽車(che)、火車(che)、輪船、飛機等交通工(gong)具進行(xing)運(yun)(yun)輸(shu)(shu)。

    5、鋰電(dian)(dian)池存(cun)儲過程中應避(bi)免金屬物體進入電(dian)(dian)池箱,這可能導致(zhi)電(dian)(dian)池產生泄露、發(fa)熱、冒煙、火災(zai)以及爆炸(zha)。

    6、如(ru)果(guo)在高于(yu)規定的(de)(de)操作(zuo)溫(wen)度(du)(du),即35°C以上(shang)的(de)(de)環(huan)境(jing)中使用(yong)鋰(li)(li)電池(chi),電池(chi)的(de)(de)電量將會不斷的(de)(de)減少(shao)。如(ru)果(guo)在這樣的(de)(de)溫(wen)度(du)(du)下(xia),還要為(wei)鋰(li)(li)電池(chi)充(chong)電,那對(dui)電池(chi)的(de)(de)損(sun)傷(shang)將更大。所以,盡量保持在適宜的(de)(de)操作(zuo)溫(wen)度(du)(du)是延長鋰(li)(li)電壽命(ming)的(de)(de)好方法(fa)。

    7、要(yao)想發揮鋰(li)離子電(dian)(dian)池的最大效能,就需要(yao)經常用它,讓鋰(li)電(dian)(dian)內(nei)的電(dian)(dian)子始終處(chu)于流(liu)動狀(zhuang)態。如果(guo)不經常使用鋰(li)電(dian)(dian)池,請一(yi)定記得每月給鋰(li)電(dian)(dian)完成一(yi)個充電(dian)(dian)周期,做一(yi)次(ci)電(dian)(dian)量校準(zhun),即深(shen)放深(shen)充一(yi)次(ci)。

    8、淺放淺充對于鋰電更有益處,只有在產品的電源模塊為鋰電做校準時,才有深放深充的必要。所以,使用鋰電供電的產品不必拘泥于過程,一切以方便為先,隨時充電,不必擔心影響壽命。【詳細>>】

    7
    鋰電池如何選購

    1、看外觀(guan)

    看(kan)外(wai)觀是指(zhi)看(kan)鋰電池的外(wai)觀,做(zuo)工,大小(xiao)和工藝(yi)。看(kan)外(wai)殼(ke)接(jie)縫線寬(kuan)不寬(kuan),是否有(you)毛刺,有(you)沒(mei)有(you)油漬,摸起來(lai)手(shou)感(gan)(gan)(gan)好(hao)不好(hao),先進的工藝(yi)都是手(shou)感(gan)(gan)(gan)很舒服(fu)的,經(jing)過打磨,橡(xiang)膠油拋光材(cai)料既手(shou)感(gan)(gan)(gan)好(hao),同(tong)時(shi)絕(jue)緣性能也很強。

    2、看(kan)是否明(ming)確標示容量

    無明確(que)標示容量(liang)的(de)鋰電池(chi)(chi),很可能就是(shi)使(shi)用(yong)(yong)劣質電池(chi)(chi)芯(xin)或回收電池(chi)(chi)芯(xin)重新組裝的(de)垃圾電池(chi)(chi)。市面上充斥著(zhu)許(xu)多廉價的(de)鋰電池(chi)(chi),就是(shi)使(shi)用(yong)(yong)回收電池(chi)(chi)芯(xin)或拆機(ji)電池(chi)(chi)芯(xin)做的(de),價格雖(sui)然便(bian)宜,但(dan)是(shi)壽(shou)命短,品質不(bu)穩定,使(shi)用(yong)(yong)不(bu)慎可能會損壞設備,甚至(zhi)發生爆(bao)炸。

    3、看(kan)保護電路

    鋰電池(chi)(chi)的(de)(de)(de)特性決(jue)定(ding)了鋰電池(chi)(chi)一定(ding)要外加(jia)保護(hu)板,以防止(zhi)鋰電池(chi)(chi)過充、過放(fang)及短路(lu)(lu)等情況的(de)(de)(de)發生(sheng),不(bu)加(jia)保護(hu)板的(de)(de)(de)鋰電池(chi)(chi)會有(you)變形(xing)、漏液、爆炸的(de)(de)(de)危險。在激烈的(de)(de)(de)價格(ge)競爭(zheng)下,各電池(chi)(chi)封裝廠尋求更低價位的(de)(de)(de)保護(hu)電路(lu)(lu),或者根本省略了這個裝置,使得(de)市面上(shang)(shang)充斥著有(you)爆炸危險的(de)(de)(de)鋰電池(chi)(chi)。當然(ran),實(shi)際上(shang)(shang)消費者無法從外觀分辨出(chu)來是否有(you)保護(hu)電路(lu)(lu)板,因此最好選擇有(you)信譽的(de)(de)(de)商家購買。

    4、看品(pin)牌(pai)

    鋰電池的品牌很多,質量卻很難從外觀看出。在這種情況下,大家在選擇之前就要多做點功課,多去網上查詢一下廠商資料。通常來說,專業廠商比小作坊更靠譜,從業時間長的廠商比剛進入該領域的廠商更值得信任。【詳細(xi)>>】

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