極耳對高倍率電池性能的(de)(de)(de)(de)(de)(de)影(ying)響(xiang)，在高倍率(lv)(lv)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)條(tiao)件(jian)下，高倍率(lv)(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)(de)(de)(de)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)曲線會(hui)(hui)(hui)出現(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)峰，同時(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)(de)(de)(de)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)量也有所增大(da)(da)。通過(guo)紅外熱成像的(de)(de)(de)(de)(de)(de)方法對鋰(li)離子電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)高倍率(lv)(lv)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)條(tiao)件(jian)下的(de)(de)(de)(de)(de)(de)熱行為(wei)進行比(bi)較(jiao)(jiao)細(xi)繳的(de)(de)(de)(de)(de)(de)研究表明：鉀離子電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程中(zhong)各個(ge)區域(yu)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)反(fan)應是非常不平衡(heng)的(de)(de)(de)(de)(de)(de)。高倍率(lv)(lv)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)條(tiao)件(jian)下，開始時(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)極(ji)耳附近區域(yu)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻較(jiao)(jiao)小(xiao)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流密(mi)度(du)較(jiao)(jiao)大(da)(da)，因(yin)此這部分產生的(de)(de)(de)(de)(de)(de)熱量比(bi)較(jiao)(jiao)大(da)(da)，溫度(du)升(sheng)高較(jiao)(jiao)快。在放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程的(de)(de)(de)(de)(de)(de)后期，靠近極(ji)耳區域(yu)的(de)(de)(de)(de)(de)(de)容(rong)(rong)量耗盡，遠離極(ji)耳區域(yu)的(de)(de)(de)(de)(de)(de)部分如(ru)果溫度(du)上升(sheng)比(bi)較(jiao)(jiao)緩慢時(shi)(shi)，會(hui)(hui)(hui)導致放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程終止，反(fan)之(zhi)會(hui)(hui)(hui)出現(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)上升(sheng)的(de)(de)(de)(de)(de)(de)現(xian)象(xiang)。在設計(ji)大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)鋰(li)離子電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)時(shi)(shi)可在電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)樓極(ji)片上多焊接(jie)幾個(ge)樓耳，這樣在高倍率(lv)(lv)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)條(tiao)件(jian)下，高倍率(lv)(lv)放(fang)(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)初期電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)內部就會(hui)(hui)(hui)有多個(ge)區域(yu)內阻較(jiao)(jiao)小(xiao)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流密(mi)度(du)較(jiao)(jiao)大(da)(da)，反(fan)應速度(du)較(jiao)(jiao)快，從而緩和單(dan)極(ji)耳情況下的(de)(de)(de)(de)(de)(de)劇烈(lie)反(fan)應。其實，當(dang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)上焊接(jie)有多個(ge)極(ji)耳時(shi)(shi)，就相當(dang)于幾個(ge)小(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)并聯而形成了一(yi)個(ge)大(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)U不變，

U=U=U=U’·…

而(er)大電池(chi)電阻(zu)R就由幾個(ge)小電池(chi)電阻(zu)R1、R3、R…等并聯組成(cheng)，近(jin)似表(biao)示(shi)為：

R=1/（1/R，+1/R2+l/R·…+l/R）

R必定小于R1、R2、R3、Rn…之中任何一個，如(ru)果電池只(zhi)有(you)一個極耳，那么(me)

R=R，+R+R+…+R.

結果是并聯之(zhi)后高(gao)倍率電池(chi)總內阻大大降低(di)。在(zai)大電流放電情況下，高(gao)倍率電池(chi)溫(wen)度上升(sheng)很(hen)快，點焊(han)多(duo)個極耳的電池(chi)由于內阻較低(di)，溫(wen)升(sheng)有所緩和(he)，電池(chi)表面溫(wen)度降低(di)。

高倍率電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)以5C放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時，單極(ji)(ji)耳(er)(er)(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容量(liang)(liang)達到1060mAh左(zuo)右，雙極(ji)(ji)耳(er)(er)(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容量(liang)(liang)約為(wei)1030mAh左(zuo)右，比(bi)單極(ji)(ji)耳(er)(er)(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)略(lve)低(di)。但(dan)是(shi)(shi)，雙極(ji)(ji)耳(er)(er)(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)初始放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓較單故耳(er)(er)(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)高，放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平臺不(bu)如單極(ji)(ji)耳(er)(er)(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)平坦。以一定型號的(de)(de)(de)軟包裝鋰(li)離(li)子(zi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)為(wei)研究對(dui)象，增(zeng)加(jia)了(le)(le)極(ji)(ji)片(pian)上(shang)的(de)(de)(de)極(ji)(ji)耳(er)(er)(er)(er)數(shu)量(liang)(liang)就必然增(zeng)加(jia)了(le)(le)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)厚(hou)度(du)（由(you)于(yu)極(ji)(ji)耳(er)(er)(er)(er)點(dian)焊于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)(ji)片(pian)上(shang)會(hui)占(zhan)用一部分電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)厚(hou)度(du)），所以，對(dui)于(yu)固定型號尺寸的(de)(de)(de)鋰(li)離(li)子(zi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi).這種雙極(ji)(ji)耳(er)(er)(er)(er)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)相對(dui)來說容量(liang)(liang)會(hui)略(lve)有(you)降(jiang)低(di)。因(yin)此，雙極(ji)(ji)耳(er)(er)(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)比(bi)單極(ji)(ji)耳(er)(er)(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容量(liang)(liang)低(di)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓平臺下降(jiang)較快并不(bu)是(shi)(shi)因(yin)為(wei)雙極(ji)(ji)耳(er)(er)(er)(er)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)化學性能差而(er)導致，而(er)是(shi)(shi)由(you)于(yu)增(zeng)加(jia)了(le)(le)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)極(ji)(ji)耳(er)(er)(er)(er)，就必然增(zeng)加(jia)了(le)(le)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)厚(hou)度(du)，減少了(le)(le)極(ji)(ji)片(pian)的(de)(de)(de)長度(du)，從(cong)而(er)減少了(le)(le)活(huo)性物質的(de)(de)(de)使用量(liang)(liang)而(er)導致。

當(dang)(dang)高(gao)倍率(lv)(lv)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)型(xing)號(hao)變(bian)(bian)大(da)、尺(chi)寸(cun)(cun)(cun)變(bian)(bian)大(da)時(shi)，由于極(ji)耳(er)(er)數量(liang)(liang)引起的(de)(de)(de)(de)厚度增(zeng)加(jia)會(hui)相對減小，此時(shi)單(dan)、雙極(ji)耳(er)(er)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)所用的(de)(de)(de)(de)活性(xing)(xing)物(wu)質(zhi)量(liang)(liang)相當(dang)(dang)，電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)容(rong)量(liang)(liang)也會(hui)差別不大(da)，高(gao)倍率(lv)(lv)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)放電(dian)(dian)(dian)(dian)曲(qu)(qu)(qu)線更加(jia)平滑。381530和063465型(xing)號(hao)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)，分別采用單(dan)、雙極(ji)耳(er)(er)技術的(de)(de)(de)(de)容(rong)量(liang)(liang)變(bian)(bian)化，容(rong)量(liang)(liang)變(bian)(bian)化對小型(xing)號(hao)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)影響更大(da)。綜合(he)分析認為(wei)增(zeng)加(jia)了電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)極(ji)耳(er)(er)數量(liang)(liang)確實能(neng)(neng)(neng)改(gai)(gai)善(shan)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)高(gao)倍率(lv)(lv)放電(dian)(dian)(dian)(dian)性(xing)(xing)能(neng)(neng)(neng)，而(er)(er)(er)且，尤其適合(he)應(ying)(ying)用于大(da)型(xing)號(hao)、大(da)尺(chi)寸(cun)(cun)(cun)的(de)(de)(de)(de)軟包裝電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)。從(cong)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)8C放電(dian)(dian)(dian)(dian)曲(qu)(qu)(qu)線我們可(ke)以清晰的(de)(de)(de)(de)看(kan)到(dao).在高(gao)倍率(lv)(lv)放電(dian)(dian)(dian)(dian)性(xing)(xing)能(neng)(neng)(neng)方面(mian)(mian)，雙極(ji)耳(er)(er)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)確實比單(dan)極(ji)耳(er)(er)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)具有無可(ke)比擬的(de)(de)(de)(de)優點。從(cong)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)放電(dian)(dian)(dian)(dian)曲(qu)(qu)(qu)線可(ke)以看(kan)到(dao)，雙極(ji)耳(er)(er)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)初(chu)始放電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)較(jiao)(jiao)高(gao)，放電(dian)(dian)(dian)(dian)曲(qu)(qu)(qu)線較(jiao)(jiao)平滑，只(zhi)是(shi)放電(dian)(dian)(dian)(dian)容(rong)量(liang)(liang)較(jiao)(jiao)低。另外從(cong)單(dan)被耳(er)(er)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)放電(dian)(dian)(dian)(dian)曲(qu)(qu)(qu)線上可(ke)以發現(xian)，單(dan)極(ji)耳(er)(er)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)放電(dian)(dian)(dian)(dian)時(shi)電(dian)(dian)(dian)(dian)壓(ya)確實先(xian)降低較(jiao)(jiao)快，而(er)(er)(er)后(hou)上升出現(xian)一(yi)個電(dian)(dian)(dian)(dian)壓(ya)峰(feng)，而(er)(er)(er)雙極(ji)耳(er)(er)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)放電(dian)(dian)(dian)(dian)曲(qu)(qu)(qu)線上沒有出現(xian)電(dian)(dian)(dian)(dian)壓(ya)峰(feng)。因(yin)此本文認為(wei)增(zeng)加(jia)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)極(ji)耳(er)(er)數量(liang)(liang)是(shi)改(gai)(gai)善(shan)鋰離子電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)高(gao)倍率(lv)(lv)放電(dian)(dian)(dian)(dian)性(xing)(xing)能(neng)(neng)(neng)的(de)(de)(de)(de)一(yi)個研究方向(xiang)。我們還可(ke)以在正負電(dian)(dian)(dian)(dian)極(ji)片上分別焊接3個極(ji)耳(er)(er)，只(zhi)是(shi)這(zhe)樣(yang)必然會(hui)增(zeng)加(jia)鋁塑膜的(de)(de)(de)(de)熱(re)(re)(re)封(feng)(feng)難度，容(rong)易加(jia)熱(re)(re)(re)過度，導致(zhi)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)短(duan)路漏液等問題。當(dang)(dang)然如果加(jia)熱(re)(re)(re)條件(jian)控制合(he)適完(wan)全可(ke)以做(zuo)到(dao)封(feng)(feng)口美觀、熱(re)(re)(re)封(feng)(feng)良(liang)好（我們成(cheng)功的(de)(de)(de)(de)做(zuo)過這(zhe)方面(mian)(mian)實驗，成(cheng)品率(lv)(lv)較(jiao)(jiao)低，對熱(re)(re)(re)封(feng)(feng)條件(jian)要求苛(ke)刻），只(zhi)是(shi)所用極(ji)耳(er)(er)的(de)(de)(de)(de)數量(liang)(liang)及寬度尺(chi)寸(cun)(cun)(cun)與具體(ti)(ti)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)尺(chi)寸(cun)(cun)(cun)有關(guan)，具體(ti)(ti)型(xing)號(hao)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)還應(ying)(ying)實驗證明究竟應(ying)(ying)使用多(duo)少數量(liang)(liang)、多(duo)大(da)尺(chi)寸(cun)(cun)(cun)的(de)(de)(de)(de)極(ji)耳(er)(er)。

增加了高倍率(lv)電(dian)池的(de)(de)極耳數量確(que)實有效(xiao)的(de)(de)減(jian)小了電(dian)池的(de)(de)內阻（對大型號電(dian)池，如063465明顯），但是增加了極耳的(de)(de)數量導致(zhi)能(neng)夠使用的(de)(de)電(dian)池的(de)(de)活性物(wu)質減(jian)少(shao)。

高(gao)倍(bei)率(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極極片(pian)(pian)對(dui)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)能的(de)影響，大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)情況下，活性(xing)(xing)物質(zhi)反應速(su)度(du)很快，要求離(li)子能于(yu)(yu)(yu)材料(liao)(liao)中迅速(su)的(de)嵌入(ru)、脫(tuo)出。極片(pian)(pian)若(ruo)是(shi)較厚，無疑加長了離(li)子運動的(de)路徑(jing)，增加了離(li)子運動的(de)阻力，因(yin)此(ci)開發大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)應考慮將電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極片(pian)(pian)薄。但是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極片(pian)(pian)如果壓(ya)實(shi)密度(du)較大，則(ze)活性(xing)(xing)物質(zhi)內(nei)部(bu)離(li)子運動的(de)小(xiao)(xiao)(xiao)路徑(jing)、小(xiao)(xiao)(xiao)孔隙變的(de)更小(xiao)(xiao)(xiao)，由于(yu)(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)內(nei)阻增大與(yu)材料(liao)(liao)孔隙率(lv)減(jian)小(xiao)(xiao)(xiao)有(you)順(shun)變關系，因(yin)此(ci)壓(ya)實(shi)密度(du)過(guo)大，材料(liao)(liao)與(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解液間接觸面減(jian)小(xiao)(xiao)(xiao)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)內(nei)阻就會(hui)增大網；若(ruo)壓(ya)實(shi)密度(du)較小(xiao)(xiao)(xiao)，則(ze)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極厚度(du)相(xiang)對(dui)增大，對(dui)于(yu)(yu)(yu)同(tong)樣厚度(du)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極，涂敷于(yu)(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極表面的(de)活性(xing)(xing)物質(zhi)相(xiang)對(dui)減(jian)少。對(dui)同(tong)-·標(biao)準型號的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)所(suo)用的(de)活性(xing)(xing)材料(liao)(liao)減(jian)少，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)容量(liang)減(jian)小(xiao)(xiao)(xiao)。所(suo)以必須(xu)調整(zheng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極敷料(liao)(liao)的(de)壓(ya)實(shi)密度(du)，減(jian)小(xiao)(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)極的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻以利于(yu)(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)。

結果表明改(gai)變導電(dian)劑與活(huo)性(xing)物質的配比量及極片的面密(mi)度、壓實(shi)密(mi)度對提(ti)高電(dian)池的高倍率放電(dian)性(xing)能(neng)有(you)很(hen)大(da)的幫助。

高倍率(lv)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)每個電(dian)(dian)(dian)(dian)(dian)極(ji)均(jun)采用雙(shuang)極(ji)耳放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)8C放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)曲(qu)(qu)線(xian)已經(jing)呈現出非(fei)常好的(de)形(xing)狀，曲(qu)(qu)線(xian)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)平臺平滑，5C放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)時電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)于3.4V截止(zhi)電(dian)(dian)(dian)(dian)(dian)壓(ya)下放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)量(liang)達到(dao)800mAh以(yi)(yi)上，首次充(chong)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)量(liang)為(wei)(wei)964mAh，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)量(liang)為(wei)(wei)955mAh，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)效率(lv)為(wei)(wei)99.1%。8C放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)3.2V截止(zhi)電(dian)(dian)(dian)(dian)(dian)壓(ya)下放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)量(liang)也(ye)達到(dao)880mAh以(yi)(yi)上，首次充(chong)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)量(liang)為(wei)(wei)954mAh，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)量(liang)為(wei)(wei)946mAh，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)效率(lv)為(wei)(wei)99.2%。可以(yi)(yi)看出a類電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)隨著循(xun)環次數的(de)增加放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)情(qing)況越(yue)(yue)來越(yue)(yue)差，電(dian)(dian)(dian)(dian)(dian)壓(ya)峰(feng)越(yue)(yue)來越(yue)(yue)明顯，曲(qu)(qu)線(xian)雜亂，中(zhong)值電(dian)(dian)(dian)(dian)(dian)壓(ya)比較(jiao)(jiao)低。b類電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)曲(qu)(qu)線(xian)平滑，平臺平坦(tan)，電(dian)(dian)(dian)(dian)(dian)片平臺較(jiao)(jiao)高，多次循(xun)環容(rong)(rong)(rong)量(liang)衰減(jian)較(jiao)(jiao)小，曲(qu)(qu)線(xian)密集集中(zhong)。

高倍率(lv)電(dian)池5C放(fang)(fang)電(dian)時(shi)電(dian)池放(fang)(fang)電(dian)時(shi)間達(da)到(dao)11min分(fen)鐘(zhong)左(zuo)右(you)，8C放(fang)(fang)電(dian)時(shi)放(fang)(fang)電(dian)時(shi)間也在

7.5min以上。b類(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)間大(da)(da)(da)大(da)(da)(da)提高(gao)(gao)了，而(er)且放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)表面溫(wen)(wen)度有(you)(you)較(jiao)(jiao)大(da)(da)(da)幅度的(de)降(jiang)(jiang)低，尤其(qi)(qi)是8C放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)，溫(wen)(wen)度竟然(ran)下降(jiang)(jiang)了14℃之(zhi)多。由于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解液的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導(dao)(dao)率隨溫(wen)(wen)度的(de)升高(gao)(gao)增(zeng)加(jia)很(hen)快，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解液電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)導(dao)(dao)率增(zeng)加(jia)則電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)增(zeng)加(jia)，應當更加(jia)有(you)(you)助于(yu)大(da)(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，然(ran)而(er)b類(lei)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)高(gao)(gao)倍率放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)能依(yi)然(ran)優(you)于(yu)a電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)，確實極大(da)(da)(da)地提高(gao)(gao)了鉀離子(zi)(zi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)高(gao)(gao)倍率放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)能。高(gao)(gao)倍率電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)大(da)(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)通常(chang)溫(wen)(wen)度很(hen)高(gao)(gao)，需要改善其(qi)(qi)高(gao)(gao)溫(wen)(wen)性(xing)能及安(an)全(quan)性(xing)，而(er)鋰離子(zi)(zi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)使用環境要求(qiu)苛(ke)刻(ke)，LiCoO2材(cai)料安(an)全(quan)性(xing)較(jiao)(jiao)差，因此(ci)，降(jiang)(jiang)低高(gao)(gao)倍率放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時(shi)(shi)的(de)溫(wen)(wen)度有(you)(you)助于(yu)提高(gao)(gao)鋰離子(zi)(zi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)安(an)全(quan)性(xing)，放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)溫(wen)(wen)度降(jiang)(jiang)低而(er)高(gao)(gao)倍率放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)能良(liang)好成為b型電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)又一大(da)(da)(da)優(you)點。