并聯定義鋰電池串

由于單個電(dian)(dian)池的(de)電(dian)(dian)壓(ya)(ya)和(he)容(rong)量有限，為(wei)了獲得(de)更高(gao)的(de)電(dian)(dian)壓(ya)(ya)和(he)容(rong)量，滿足設備的(de)實(shi)際(ji)供電(dian)(dian)需(xu)(xu)求，在實(shi)際(ji)使(shi)用(yong)中需(xu)(xu)要串(chuan)并聯(lian)。

鋰電(dian)池串聯：電(dian)壓相(xiang)加，容(rong)量不變，內阻增(zeng)大。

鋰(li)電池(chi)并聯：電壓不(bu)變，容量相(xiang)加，內(nei)阻降低，供電時間延(yan)長。

鋰電(dian)(dian)池串并聯(lian)：電(dian)(dian)池組(zu)之間既有(you)并聯(lian)組(zu)合，又有(you)串聯(lian)組(zu)合，使電(dian)(dian)壓升高(gao)，容量增大(da)。

串(chuan)聯(lian)電壓：3.7V單體(ti)電池可根據需要(yao)組裝成3.7V。*(N)V的電池組（N：單個電池數量(liang))

如7.4V、12V、24V、36V、48V、60V、72V等。

并(bing)聯(lian)容量：2000mAh單體電(dian)(dian)池可根據需要組裝成(cheng)2000mAh的容量*(N)電(dian)(dian)池組Ah（N：單個電(dian)(dian)池數量)

如(ru)4000mAh、6000mAh、8000mAh、5Ah,10Ah,20Ah,30Ah,50Ah,100Ah等(deng)。

PACK鋰電池

鋰(li)(li)電池(chi)PACK是指鋰(li)(li)電池(chi)組(zu)(zu)的加工、組(zu)(zu)裝和包裝。鋰(li)(li)電池(chi)組(zu)(zu)裝的過程叫做PACK，可以是單個電池(chi)，也可以是并(bing)聯(lian)的鋰(li)(li)電池(chi)組(zu)(zu)。鋰(li)(li)電池(chi)Pack通常由(you)塑料外殼、保護板、電池(chi)、輸出電極、連(lian)接接頭(tou)、其他(ta)絕緣膠(jiao)帶、雙面膠(jiao)帶等組(zu)(zu)成。

鋰(li)電池：成品電池的核心部分(fen)

保護板：起到過充、過放、過流、短路、NTC溫(wen)控(kong)智能(neng)(neng)保護等功能(neng)(neng)。

塑(su)料(liao)外殼：整個(ge)電池的支撐(cheng)骨架；定位和固定保(bao)護板；承載其它所(suo)有非(fei)外殼部件并限制(zhi)位置。

端子(zi)引線：可為各種電子(zi)產品、儲能產品、后備(bei)電源(yuan)提供各種端子(zi)充放電接口。

鎳片/支架(jia)：電(dian)芯的連接和固定部件

鋰電池串并聯組合

由(you)于安(an)全原因(yin)，鋰電(dian)(dian)池(chi)(chi)(chi)必(bi)(bi)須(xu)用(yong)外(wai)接保護板(ban)監控(kong)每節電(dian)(dian)池(chi)(chi)(chi)。一(yi)般不建議(yi)并聯使用(yong)電(dian)(dian)池(chi)(chi)(chi)。如果并聯，必(bi)(bi)須(xu)保證(zheng)電(dian)(dian)池(chi)(chi)(chi)參數的一(yi)致(zhi)性(容量、內阻等。).此外(wai)，串聯電(dian)(dian)池(chi)(chi)(chi)必(bi)(bi)須(xu)具有相同(tong)的參數，否則電(dian)(dian)池(chi)(chi)(chi)組(zu)的性能會比單個(ge)電(dian)(dian)池(chi)(chi)(chi)差很多。

鋰電池配對標準電壓差(cha)(cha)(cha)≤內阻(zu)差(cha)(cha)(cha)10mV≤5mΩ，容量差(cha)(cha)(cha)≤20mA

鋰電(dian)(dian)池配對的(de)(de)目的(de)(de)是保證電(dian)(dian)池組(zu)(zu)中(zhong)每個電(dian)(dian)池的(de)(de)容量、電(dian)(dian)壓、內阻和(he)效(xiao)果達到一致。如果不一致，鋰電(dian)(dian)池組(zu)(zu)使用過(guo)程中(zhong)各種參數的(de)(de)距離(li)會(hui)越(yue)來越(yue)遠，導致電(dian)(dian)壓不平(ping)衡。時間長了(le)，充電(dian)(dian)、放(fang)電(dian)(dian)、容量都不會(hui)發揮出來，造成爆炸和(he)著火的(de)(de)危險。

鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)串(chuan)并(bing)聯(lian)(lian)的(de)(de)注意(yi)事(shi)項不應(ying)該與不同(tong)(tong)(tong)品牌的(de)(de)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)一(yi)起使(shi)(shi)用。不要(yao)一(yi)起使(shi)(shi)用不同(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)壓的(de)(de)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)。不要(yao)混合不同(tong)(tong)(tong)容量(liang)或(huo)新舊鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)。不同(tong)(tong)(tong)化學材料的(de)(de)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)不能(neng)混合使(shi)(shi)用，如鎳(nie)氫和鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)。當電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)電(dian)(dian)(dian)(dian)(dian)量(liang)不足時，更換所(suo)有電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)。使(shi)(shi)用相(xiang)應(ying)參數的(de)(de)鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)保(bao)護(hu)板(ban)。選擇性能(neng)相(xiang)同(tong)(tong)(tong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)，一(yi)般鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)串(chuan)并(bing)聯(lian)(lian)使(shi)(shi)用需要(yao)鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)芯匹配(pei)。匹配(pei)標準:電(dian)(dian)(dian)(dian)(dian)壓差(cha)≤內阻差(cha)10mV≤5mΩ，容量(liang)差(cha)≤20mA1、鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)的(de)(de)不同(tong)(tong)(tong)電(dian)(dian)(dian)(dian)(dian)壓串(chuan)聯(lian)(lian)

由于鋰電(dian)(dian)池的(de)(de)一(yi)(yi)致性問題，需要在同一(yi)(yi)個系(xi)統(如(ru)三元或鐵鋰)下(xia)進(jin)行(xing)并串(chuan)成一(yi)(yi)個組，并選擇電(dian)(dian)壓、內阻和(he)容量相同的(de)(de)組。不同的(de)(de)電(dian)(dian)壓平臺，不同內阻的(de)(de)電(dian)(dian)池串(chuan)聯使用，會導致某個電(dian)(dian)池的(de)(de)每個循環都先(xian)充(chong)滿，先(xian)完成。如(ru)果有，