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鋰(li)(li)離(li)子電(dian)池(chi)(chi)組(zu)(zu)(zu)通(tong)常由(you)一個或幾個鋰(li)(li)離(li)子電(dian)池(chi)(chi)包并聯組(zu)(zu)(zu)成，而(er)每(mei)個鋰(li)(li)離(li)子電(dian)池(chi)(chi)包由(you)幾個或多(duo)個鋰(li)(li)電(dian)芯(xin)通(tong)過串聯構成，通(tong)過這樣的(de)(de)組(zu)(zu)(zu)合后(hou)，可以增大(da)電(dian)池(chi)(chi)組(zu)(zu)(zu)的(de)(de)電(dian)壓(ya)和容量，滿足筆記本電(dian)腦、醫療設備、探測儀器及工業電(dian)子設備使用(yong)所需(xu)的(de)(de)電(dian)壓(ya)和續航要求。但是(shi)由(you)于鋰(li)(li)電(dian)芯(xin)之間有數據誤(wu)差的(de)(de)存在，在協調工作方面存在一定的(de)(de)風險(xian)，為了解(jie)決這...

就(jiu)目(mu)前(qian)的(de)電(dian)(dian)(dian)(dian)池(chi)(chi)管理(li)技術,能(neng)夠解決電(dian)(dian)(dian)(dian)池(chi)(chi)組一致性問題(ti)的(de)技術只有電(dian)(dian)(dian)(dian)池(chi)(chi)均(jun)(jun)(jun)(jun)(jun)衡(heng)技術。而要實(shi)現電(dian)(dian)(dian)(dian)池(chi)(chi)容量的(de)充(chong)分利用,則必須要求(qiu)電(dian)(dian)(dian)(dian)池(chi)(chi)均(jun)(jun)(jun)(jun)(jun)衡(heng)器同時支持放(fang)電(dian)(dian)(dian)(dian)均(jun)(jun)(jun)(jun)(jun)衡(heng)、充(chong)電(dian)(dian)(dian)(dian)均(jun)(jun)(jun)(jun)(jun)衡(heng)和靜態(tai)均(jun)(jun)(jun)(jun)(jun)衡(heng),此(ci)(ci)外,由于不(bu)同容量電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)存在,充(chong)放(fang)電(dian)(dian)(dian)(dian)末(mo)期存在較高的(de)電(dian)(dian)(dian)(dian)壓差,因此(ci)(ci),電(dian)(dian)(dian)(dian)池(chi)(chi)均(jun)(jun)(jun)(jun)(jun)衡(heng)器還必須具有寬幅(fu)的(de)均(jun)(jun)(jun)(jun)(jun)衡(heng)電(dian)(dian)(dian)(dian)流(liu)和高效的(de)電(dian)(dian)(dian)(dian)能(neng)轉換效率,既能(neng)實(shi)現高效均(jun)(jun)(jun)(jun)(jun)衡(heng)又(you)能(neng)減少(shao)在充(chong)...

鋰離(li)(li)(li)子電(dian)(dian)(dian)池組(zu)充電(dian)(dian)(dian)主動均衡系(xi)統架構 鋰離(li)(li)(li)子電(dian)(dian)(dian)池由于其(qi)性能有極(ji)大提高，因此其(qi)市場份額增長非常迅(xun)速(su)。鋰離(li)(li)(li)子電(dian)(dian)(dian)池的儲能容量非常驚(jing)人，但即(ji)便如(ru)此，單(dan)個電(dian)(dian)(dian)池單(dan)元(yuan)的容量不論從電(dian)(dian)(dian)壓還是從電(dian)(dian)(dian)流方(fang)面(mian)仍都太(tai)低(di)，不能滿(man)足(zu)一個混合動力發動機的需要(yao)。并聯多(duo)個電(dian)(dian)(dian)池單(dan)元(yuan)可以增大電(dian)(dian)(dian)池所提供的電(dian)(dian)(dian)流，串聯多(duo)個電(dian)(dian)(dian)池單(dan)元(yuan)則(ze)可以增大電(dian)(dian)(dian)池提供...

目前鋰電(dian)(dian)池(chi)(chi)(chi)(chi)技術(shu)的(de)(de)(de)發(fa)展推廣下，很(hen)多地(di)方使用到了(le)電(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)作為能源，比(bi)如(ru)新能源汽車(che)、電(dian)(dian)動(dong)摩托車(che)、平衡(heng)車(che)等(deng)等(deng)，這些電(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)在使用的(de)(de)(de)時(shi)候電(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)中的(de)(de)(de)電(dian)(dian)芯會(hui)發(fa)生壓差，就會(hui)導致(zhi)電(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)不(bu)均衡(heng)的(de)(de)(de)情況，那么電(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)不(bu)均衡(heng)的(de)(de)(de)現象有哪些呢？ 1、續航(hang)(hang)下降(jiang)(jiang) 電(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)不(bu)均衡(heng)的(de)(de)(de)判別辦法：續航(hang)(hang)下降(jiang)(jiang)。電(dian)(dian)池(chi)(chi)(chi)(chi)組(zu)的(de)(de)(de)充(chong)(chong)放(fang)電(dian)(dian)壽命一般(ban)都很(hen)長，比(bi)如(ru)充(chong)(chong)放(fang)1000...

1、利用(yong)(yong)鋰(li)離(li)子電(dian)(dian)池組內(nei)部均衡保(bao)護板的均衡功能 此時直接利用(yong)(yong)均衡保(bao)護板已經不行(xing)，因為充(chong)電(dian)(dian)轉綠燈后電(dian)(dian)流(liu)為0，繼續充(chong)電(dian)(dian)毫無用(yong)(yong)途。 要簡(jian)單改造(zao)一下(xia)充(chong)電(dian)(dian)器，在充(chong)電(dian)(dian)線(xian)上串聯(lian)一個電(dian)(dian)阻(zu)，這(zhe)個電(dian)(dian)阻(zu)的阻(zu)值要與內(nei)部均衡板的均衡電(dian)(dian)阻(zu)相(xiang)同，例如關(guan)于T260就(jiu)串聯(lian)220歐(ou)，假如是GW14就(jiu)串聯(lian)100歐(ou)，功率2W-5W，這(zhe)樣再充(chong)電(dian)(dian)，充(chong)電(dian)(dian)電(dian)(dian)流(liu)就(jiu)比較小(xiao)...

鋰電(dian)(dian)(dian)池(chi)組主(zhu)動均(jun)(jun)衡(heng)方法是(shi)利用一(yi)種(zhong)主(zhu)動往(wang)復(fu)充(chong)電(dian)(dian)(dian)的(de)元件(jian)，電(dian)(dian)(dian)壓(ya)或電(dian)(dian)(dian)流轉換器(qi)使得電(dian)(dian)(dian)量(liang)從(cong)一(yi)個(ge)電(dian)(dian)(dian)池(chi)單元轉到另一(yi)個(ge)上(shang)。這些器(qi)件(jian)可以被模(mo)擬或者數字控制(zhi)。鋰電(dian)(dian)(dian)池(chi)組主(zhu)動均(jun)(jun)衡(heng)方法的(de)兩個(ge)主(zhu)要類別是(shi)電(dian)(dian)(dian)荷(he)(he)穿(chuan)梭（原文charge shutting）和能(neng)量(liang)轉換。 電(dian)(dian)(dian)荷(he)(he)穿(chuan)梭 電(dian)(dian)(dian)荷(he)(he)穿(chuan)梭的(de)鋰電(dian)(dian)(dian)池(chi)組主(zhu)動均(jun)(jun)衡(heng)方法包括一(yi)個(ge)可以使電(dian)(dian)(dian)量(liang)從(cong)一(yi)個(ge)特(te)定的(de)電(dian)(dian)(dian)池(chi)單元放(fang)出、...

通常，鋰電(dian)(dian)(dian)(dian)池(chi)(chi)均(jun)衡方法(fa)只(zhi)用于電(dian)(dian)(dian)(dian)動(dong)汽(qi)車(che)電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)充(chong)(chong)電(dian)(dian)(dian)(dian)過程以及充(chong)(chong)電(dian)(dian)(dian)(dian)完成。這是因(yin)為(wei)，電(dian)(dian)(dian)(dian)動(dong)汽(qi)車(che)電(dian)(dian)(dian)(dian)池(chi)(chi)在兩次使用周期之間會(hui)被充(chong)(chong)滿電(dian)(dian)(dian)(dian)。而混(hun)(hun)合(he)動(dong)力(li)汽(qi)車(che)電(dian)(dian)(dian)(dian)池(chi)(chi)不一定(ding)會(hui)保持(chi)充(chong)(chong)滿電(dian)(dian)(dian)(dian)的(de)狀態，因(yin)此(ci)混(hun)(hun)合(he)動(dong)力(li)汽(qi)車(che)電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)充(chong)(chong)電(dian)(dian)(dian)(dian)結束(shu)條(tiao)件以及由(you)此(ci)制定(ding)的(de)平衡機制是不可(ke)預知(zhi)的(de)。 混(hun)(hun)合(he)動(dong)力(li)汽(qi)車(che)電(dian)(dian)(dian)(dian)池(chi)(chi)也需要高功率的(de)充(chong)(chong)放(fang)電(dian)(dian)(dian)(dian)能力(li)。因(yin)此(ci)，這些電(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)量通常保持(chi)...

1.有(you)(you)(you)必(bi)要(yao)帶均(jun)(jun)衡的(de)情(qing)(qing)況(kuang)：在電(dian)(dian)(dian)池組(zu)生產完成存(cun)放時間比較長的(de)情(qing)(qing)況(kuang)下，由于保(bao)護板各(ge)路靜態功耗的(de)不(bu)同和(he)各(ge)個電(dian)(dian)(dian)芯的(de)自(zi)放電(dian)(dian)(dian)率(lv)不(bu)同，形成整組(zu)電(dian)(dian)(dian)池各(ge)串(chuan)電(dian)(dian)(dian)池的(de)電(dian)(dian)(dian)壓不(bu)一致，從(cong)而有(you)(you)(you)明(ming)顯的(de)壓差，但保(bao)證容(rong)量一致的(de)情(qing)(qing)況(kuang)下，均(jun)(jun)衡對(dui)電(dian)(dian)(dian)池組(zu)有(you)(you)(you)均(jun)(jun)衡電(dian)(dian)(dian)壓的(de)功能，從(cong)而能達到電(dian)(dian)(dian)池組(zu)容(rong)量的(de)滿充、滿放的(de)功效(xiao)，使(shi)電(dian)(dian)(dian)池組(zu)發揮大(da)的(de)功效(xiao)。 2.均(jun)(jun)衡不(bu)起用...

鋰(li)電(dian)(dian)(dian)池(chi)組在市場以(yi)及(ji)各個領域的應用已經屢見(jian)不鮮，給我們的生(sheng)活，工業(ye)等等帶來了很多的益處，當然，鋰(li)電(dian)(dian)(dian)池(chi)組在沖放電(dian)(dian)(dian)的過程中(zhong)最(zui)重要的一(yi)個環(huan)節就(jiu)是均衡(heng)環(huan)節，因為你需要保證鋰(li)電(dian)(dian)(dian)池(chi)組的輸(shu)出以(yi)及(ji)輸(shu)出合理到每一(yi)節電(dian)(dian)(dian)池(chi)，目前鋰(li)電(dian)(dian)(dian)池(chi)組均衡(heng)方法最(zui)常(chang)見(jian)的兩種(zhong)方式(shi)，分(fen)別是耗能式(shi)均衡(heng)和(he)轉能式(shi)均衡(heng)。 鋰(li)電(dian)(dian)(dian)池(chi)組耗能式(shi)均衡(heng)顧名思義就(jiu)...

下圖(tu)(tu)用的(de)(de)磷酸鐵(tie)鋰(li)動(dong)力電(dian)(dian)池(chi)組(zu)的(de)(de)電(dian)(dian)池(chi)保(bao)護(hu)(hu)板(ban)主動(dong)均(jun)(jun)衡(heng)充電(dian)(dian)系(xi)(xi)統拓撲圖(tu)(tu)。電(dian)(dian)池(chi)保(bao)護(hu)(hu)板(ban)主動(dong)均(jun)(jun)衡(heng)是相對于被動(dong)均(jun)(jun)衡(heng)而(er)(er)言的(de)(de)一種均(jun)(jun)衡(heng)方(fang)式，究其定義而(er)(er)言，指的(de)(de)是利用主動(dong)元(yuan)(yuan)件(jian)實現電(dian)(dian)池(chi)組(zu)容量均(jun)(jun)衡(heng)的(de)(de)方(fang)式。 系(xi)(xi)統主要由單(dan)體(ti)電(dian)(dian)池(chi)保(bao)護(hu)(hu)板(ban)管理電(dian)(dian)路與(yu)整車控(kong)制器組(zu)成，單(dan)體(ti)電(dian)(dian)池(chi)管理電(dian)(dian)路由單(dan)體(ti)電(dian)(dian)池(chi)檢測(ce)單(dan)元(yuan)(yuan)和單(dan)體(ti)電(dian)(dian)池(chi)均(jun)(jun)衡(heng)充電(dian)(dian)單(dan)元(yuan)(yuan)構(gou)成，檢測(ce)單(dan)元(yuan)(yuan)采...

針對電(dian)(dian)(dian)池(chi)(chi)組均(jun)衡(heng)充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)路(lu)拓(tuo)撲(pu)(pu)的設(she)計，國內外(wai)研究(jiu)人員提(ti)出了許多種不同的電(dian)(dian)(dian)路(lu)拓(tuo)撲(pu)(pu)結構(gou)。由均(jun)衡(heng)過程中電(dian)(dian)(dian)路(lu)對能(neng)(neng)(neng)(neng)量(liang)的消耗情況，可將電(dian)(dian)(dian)池(chi)(chi)組均(jun)衡(heng)充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)路(lu)分(fen)為能(neng)(neng)(neng)(neng)量(liang)耗散型和能(neng)(neng)(neng)(neng)量(liang)非耗散型兩大類。 1、能(neng)(neng)(neng)(neng)量(liang)耗散型均(jun)衡(heng) 能(neng)(neng)(neng)(neng)量(liang)耗散型均(jun)衡(heng)是(shi)通(tong)過在電(dian)(dian)(dian)池(chi)(chi)組中各單體電(dian)(dian)(dian)池(chi)(chi)兩端分(fen)別并聯分(fen)流電(dian)(dian)(dian)阻進(jin)行放(fang)電(dian)(dian)(dian)，從而實現均(jun)衡(heng)。分(fen)流電(dian)(dian)(dian)阻放(fang)電(dian)(dian)(dian)均(jun)衡(heng)電(dian)(dian)(dian)路(lu)是(shi)...

單(dan)(dan)節磷酸(suan)鐵鋰(li)電(dian)(dian)(dian)池(chi)額定電(dian)(dian)(dian)壓(ya)平臺(tai)為(wei)3.2V，很明顯單(dan)(dan)節電(dian)(dian)(dian)池(chi)遠遠不能(neng)滿足電(dian)(dian)(dian)動汽車對動力電(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)壓(ya)等(deng)級的(de)需求。另(ling)一方面，目前生(sheng)(sheng)產的(de)單(dan)(dan)體(ti)(ti)磷酸(suan)鐵鋰(li)電(dian)(dian)(dian)池(chi)額定容(rong)量(liang)(liang)有限。以沃(wo)特瑪(ma)生(sheng)(sheng)產的(de)圓柱體(ti)(ti)磷酸(suan)鐵鋰(li)電(dian)(dian)(dian)池(chi)為(wei)例，作為(wei)國內磷酸(suan)鐵鋰(li)能(neng)源解(jie)決方案優質供應(ying)商之(zhi)一，其主要生(sheng)(sheng)產的(de)單(dan)(dan)體(ti)(ti)磷酸(suan)鐵鋰(li)電(dian)(dian)(dian)池(chi)額定容(rong)量(liang)(liang)不超過10Ah，很明顯單(dan)(dan)體(ti)(ti)電(dian)(dian)(dian)池(chi)的(de)容(rong)量(liang)(liang)...

單(dan)(dan)體(ti)鋰電池(chi)(chi)之間(jian)的(de)容量差(cha)異是(shi)(shi)導(dao)致單(dan)(dan)體(ti)電池(chi)(chi)出(chu)現過(guo)(guo)度(du)充(chong)電、過(guo)(guo)度(du)放電的(de)最根本原因，解決方法之一(yi)是(shi)(shi)對(dui)電池(chi)(chi)組(zu)進行均衡(heng)充(chong)電。目前，對(dui)均衡(heng)充(chong)電的(de)研究(jiu)主要側重于兩部(bu)分：一(yi)部(bu)分是(shi)(shi)對(dui)均衡(heng)充(chong)電電路拓撲的(de)設計，另一(yi)部(bu)分是(shi)(shi)對(dui)均衡(heng)控制(zhi)策略的(de)研究(jiu)。而目前的(de)研究(jiu)是(shi)(shi)側重于對(dui)均衡(heng)充(chong)電電路拓撲的(de)設計，主要有電阻放電均衡(heng)法[5.19.20]、開關...

如何(he)在滿足空間(jian)和成本要求的(de)情(qing)況下在很短時間(jian)內交付鋰(li)(li)離(li)子充(chong)電(dian)(dian)管理解決(jue)方案。聚(ju)(ju)合(he)物鋰(li)(li)離(li)子電(dian)(dian)池廣泛(fan)用于當今的(de)便攜式(shi)消(xiao)費電(dian)(dian)子產品(pin)。常見的(de)鋰(li)(li)聚(ju)(ju)合(he)物電(dian)(dian)池是(shi)采(cai)用固(gu)體(ti)聚(ju)(ju)合(he)物隔膜的(de)鋰(li)(li)離(li)子聚(ju)(ju)合(he)物電(dian)(dian)池，并且使用與鋰(li)(li)離(li)子電(dian)(dian)池相同的(de)充(chong)電(dian)(dian)算(suan)法。由于便攜式(shi)電(dian)(dian)子產品(pin)的(de)功能不斷(duan)增多且顯示(shi)屏尺寸不斷(duan)增大，聚(ju)(ju)合(he)物鋰(li)(li)離(li)子電(dian)(dian)池使用情(qing)況也...

圖為目(mu)前電(dian)(dian)池組(zu)所(suo)用(yong)的電(dian)(dian)池單元(yuan)均(jun)(jun)衡(heng)電(dian)(dian)路(lu)。Cell1和Cell3表示電(dian)(dian)池，（R1，T1到(dao)(dao)（R3，T3為均(jun)(jun)衡(heng)電(dian)(dian)路(lu)。此處假設晶體管T1、T2、T3以及電(dian)(dian)阻R1、R2和R3為電(dian)(dian)池監測(ce)(ce)器的外部元(yuan)件，實際上可以將(jiang)它(ta)們集成(cheng)在電(dian)(dian)池監測(ce)(ce)器中，但考慮到(dao)(dao)面積和功耗(hao)問題，T1、T2和T3的體積必須(xu)縮小。將(jiang)這些晶體管集成(cheng)到(dao)(dao)芯片(pian)中可將(jiang)均(jun)(jun)衡(heng)電(dian)(dian)流降低到(dao)(dao)10mA以下(xia)，延...

電(dian)池(chi)均(jun)衡(heng)是指(zhi)對(dui)串聯電(dian)池(chi)包中不同的電(dian)池(chi)（或電(dian)池(chi)組）采(cai)用差(cha)分電(dian)流。串聯電(dian)池(chi)包中每個電(dian)池(chi)的電(dian)流通常是一(yi)樣的，因此(ci)必須給電(dian)池(chi)包增加額外的元件(jian)和(he)電(dian)路來實現電(dian)池(chi)均(jun)衡(heng)。只有(you)(you)當電(dian)池(chi)包中的電(dian)池(chi)是串聯的，同時串聯電(dian)池(chi)等于或大于三級時才(cai)會考慮(lv)電(dian)池(chi)均(jun)衡(heng)問題。 當電(dian)池(chi)包中所有(you)(you)電(dian)池(chi)都滿足下面兩個條(tiao)件(jian)時，便(bian)實現了電(dian)池(chi)均(jun)衡(heng)： 1....

鋰電(dian)(dian)(dian)池電(dian)(dian)(dian)包(bao)通常由一(yi)個或幾個電(dian)(dian)(dian)池組(zu)并聯，每個電(dian)(dian)(dian)池組(zu)由3到4個電(dian)(dian)(dian)池串聯構成(cheng)。這(zhe)種組(zu)合方式(shi)能同時滿足筆記本電(dian)(dian)(dian)腦、醫療(liao)設備(bei)、測試儀(yi)器(qi)及工業應用所(suo)需的(de)電(dian)(dian)(dian)壓(ya)和功率(lv)要求。然而(er)，這(zhe)種應用普遍的(de)配(pei)置通常并不能發揮其(qi)最大功效，因為如果(guo)某個串聯電(dian)(dian)(dian)池的(de)容量與其(qi)它電(dian)(dian)(dian)池不匹配(pei)將會降(jiang)低整個電(dian)(dian)(dian)池包(bao)的(de)容量。 電(dian)(dian)(dian)池容量的(de)不匹配(pei)包(bao)括(kuo)充電(dian)(dian)(dian)...

固定電(dian)(dian)(dian)(dian)池(chi)幾乎(hu)都是(shi)鉛酸，需要進(jin)行一些維護，其中一種(zhong)是(shi)均(jun)(jun)衡(heng)電(dian)(dian)(dian)(dian)荷。施加(jia)周期性均(jun)(jun)衡(heng)充(chong)電(dian)(dian)(dian)(dian)可使所有電(dian)(dian)(dian)(dian)池(chi)達到相(xiang)似的(de)水平(ping)，方(fang)法是(shi)將電(dian)(dian)(dian)(dian)壓(ya)增(zeng)加(jia)到2.50V /電(dian)(dian)(dian)(dian)池(chi)，或比建議的(de)充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)高(gao)10％。?均(jun)(jun)衡(heng)電(dian)(dian)(dian)(dian)荷只(zhi)不過是(shi)故意過充(chong)電(dian)(dian)(dian)(dian)以(yi)去除隨時(shi)間累積在板上的(de)硫(liu)酸鹽晶體(ti)。如果不加(jia)以(yi)控制，硫(liu)酸化可能會降低(di)電(dian)(dian)(dian)(dian)池(chi)的(de)總容(rong)量，并在極端情況下(xia)使電(dian)(dian)(dian)(dian)池(chi)無(wu)法...