高倍率電池的(de)(de)(de)(de)壓(ya)實密度(du)越大、電池(chi)吸液(ye)值越小(xiao)(xiao)(xiao)，與(yu)電極內部(bu)結構(gou)有(you)直接關系、電池(chi)正負極是(shi)由不(bu)(bu)同形狀和(he)(he)(he)(he)粒(li)(li)度(du)的(de)(de)(de)(de)材料均(jun)勻排列在(zai)鋁箔和(he)(he)(he)(he)銅箔表(biao)面。壓(ya)實密度(du)的(de)(de)(de)(de)差(cha)異改變了粒(li)(li)子(zi)之間(jian)(jian)的(de)(de)(de)(de)距離和(he)(he)(he)(he)間(jian)(jian)隙。壓(ya)實密度(du)越大，粒(li)(li)子(zi)之間(jian)(jian)接觸(chu)越緊密，粒(li)(li)子(zi)間(jian)(jian)的(de)(de)(de)(de)距離和(he)(he)(he)(he)間(jian)(jian)隙越小(xiao)(xiao)(xiao)。電解(jie)液(ye)是(shi)液(ye)態，當(dang)注入足量(liang)(liang)的(de)(de)(de)(de)電解(jie)液(ye)時、電解(jie)液(ye)將滲透至(zhi)粒(li)(li)子(zi)之間(jian)(jian)的(de)(de)(de)(de)間(jian)(jian)隙達(da)到(dao)飽和(he)(he)(he)(he)狀態。粒(li)(li)子(zi)之間(jian)(jian)的(de)(de)(de)(de)距離和(he)(he)(he)(he)間(jian)(jian)隙越小(xiao)(xiao)(xiao)，與(yu)電解(jie)液(ye)接觸(chu)的(de)(de)(de)(de)面積減小(xiao)(xiao)(xiao)，吸收電解(jie)液(ye)的(de)(de)(de)(de)空間(jian)(jian)變小(xiao)(xiao)(xiao)，相應(ying)吸收的(de)(de)(de)(de)電解(jie)液(ye)量(liang)(liang)也會(hui)減小(xiao)(xiao)(xiao)，這(zhe)(zhe)也就是(shi)不(bu)(bu)同壓(ya)實密度(du)影響電池(chi)吸液(ye)值的(de)(de)(de)(de)主(zhu)要(yao)原(yuan)因。當(dang)然不(bu)(bu)同的(de)(de)(de)(de)原(yuan)材料因粒(li)(li)子(zi)形貌和(he)(he)(he)(he)結構(gou)粒(li)(li)度(du)的(de)(de)(de)(de)差(cha)異也會(hui)造成吸液(ye)值的(de)(de)(de)(de)不(bu)(bu)同、對于這(zhe)(zhe)方面的(de)(de)(de)(de)影響還有(you)待進一步研究(jiu)。 

高(gao)倍(bei)率電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)的壓實(shi)密度(du)對(dui)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)容量(liang)(liang)(liang)及比(bi)(bi)能量(liang)(liang)(liang)的影(ying)響(xiang)，相同(tong)容量(liang)(liang)(liang)設計，電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)質量(liang)(liang)(liang)接(jie)近(jin);壓實(shi)密度(du)不(bu)同(tong)，極片(pian)厚度(du)存在差異(yi)、組裝成電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)厚度(du)不(bu)同(tong)。不(bu)同(tong)壓實(shi)密度(du)對(dui)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)厚度(du)的影(ying)響(xiang)較(jiao)大、厚度(du)最大差異(yi)達0.7mm、達到(dao)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)厚度(du)的10%;不(bu)同(tong)壓實(shi)密度(du)對(dui)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)lC容量(liang)(liang)(liang)影(ying)響(xiang)并(bing)不(bu)明顯;厚度(du)的變化對(dui)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)體(ti)積(ji)比(bi)(bi)能量(liang)(liang)(liang)具(ju)有較(jiao)大的影(ying)響(xiang)，壓實(shi)密度(du)在一定程度(du)上影(ying)響(xiang)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)的體(ti)積(ji)從(cong)而改(gai)變電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)的體(ti)積(ji)比(bi)(bi)能量(liang)(liang)(liang)，從(cong)這一角度(du)來看提(ti)高(gao)壓實(shi)密度(du)是提(ti)高(gao)鋰離子電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)(chi)體(ti)積(ji)比(bi)(bi)能量(liang)(liang)(liang)的有效方法之一。

高倍率電(dian)池(chi)(chi)的(de)(de)(de)壓(ya)實(shi)密(mi)度(du)對(dui)電(dian)池(chi)(chi)內阻(zu)的(de)(de)(de)影響(xiang)，不同壓(ya)實(shi)密(mi)度(du)對(dui)電(dian)池(chi)(chi)內阻(zu)的(de)(de)(de)影響(xiang)，壓(ya)實(shi)密(mi)度(du)增(zeng)大(da)在一(yi)定(ding)程度(du)上可(ke)降低(di)(di)電(dian)池(chi)(chi)的(de)(de)(de)內阻(zu)，正負極這種影響(xiang)規律(lv)類似(si)。電(dian)池(chi)(chi)內阻(zu)的(de)(de)(de)大(da)小在一(yi)定(ding)程度(du)反應電(dian)池(chi)(chi)內部導電(dian)性能的(de)(de)(de)差異(yi)，在配方和(he)原材(cai)料(liao)相同的(de)(de)(de)條件下，壓(ya)實(shi)密(mi)度(du)增(zeng)大(da)，原材(cai)料(liao)粒子間的(de)(de)(de)距離減小，接觸(chu)機率越(yue)大(da)，粒子間接觸(chu)面積也越(yue)大(da)，導電(dian)橋梁(liang)和(he)通道(dao)增(zeng)多(duo)，電(dian)池(chi)(chi)阻(zu)抗降低(di)(di)，內阻(zu)減小。 

 
高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)能的(de)(de)影(ying)(ying)(ying)響(xiang)(xiang)(xiang)。 壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)過大(da)(da)(da)或(huo)過小都會影(ying)(ying)(ying)響(xiang)(xiang)(xiang)高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)倍(bei)(bei)(bei)率(lv)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)能，為了達(da)到(dao)理想的(de)(de)大(da)(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)能，壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)存在最佳范(fan)圍(wei)。壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)過大(da)(da)(da)，粒(li)子(zi)(zi)(zi)間(jian)(jian)距離(li)(li)(li)減(jian)小，接觸(chu)更緊(jin)密(mi)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)增(zeng)強，但離(li)(li)(li)子(zi)(zi)(zi)移(yi)(yi)動(dong)通道(dao)減(jian)小或(huo)堵塞(sai)，不(bu)利于大(da)(da)(da)量(liang)離(li)(li)(li)子(zi)(zi)(zi)的(de)(de)快(kuai)速移(yi)(yi)動(dong)從而(er)限制其大(da)(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)過程極(ji)化增(zeng)大(da)(da)(da)，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)下降，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容量(liang)減(jian)小;壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)過小，粒(li)子(zi)(zi)(zi)間(jian)(jian)距離(li)(li)(li)增(zeng)大(da)(da)(da)，離(li)(li)(li)子(zi)(zi)(zi)通道(dao)增(zeng)多，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解液(ye)吸液(ye)量(liang)增(zeng)多，有利于離(li)(li)(li)子(zi)(zi)(zi)快(kuai)速移(yi)(yi)動(dong).但因(yin)粒(li)子(zi)(zi)(zi)間(jian)(jian)距過大(da)(da)(da)粒(li)子(zi)(zi)(zi)間(jian)(jian)接觸(chu)機率(lv)和接觸(chu)面(mian)積減(jian)小，不(bu)利于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，導(dao)(dao)通性(xing)(xing)(xing)下降從而(er)影(ying)(ying)(ying)響(xiang)(xiang)(xiang)大(da)(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)化增(zeng)大(da)(da)(da)。所以壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)存在合適(shi)范(fan)圍(wei)即可保(bao)(bao)證粒(li)子(zi)(zi)(zi)間(jian)(jian)充(chong)分接觸(chu)又不(bu)至于堵塞(sai)離(li)(li)(li)子(zi)(zi)(zi)移(yi)(yi)動(dong)通道(dao)，同(tong)時保(bao)(bao)證大(da)(da)(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)子(zi)(zi)(zi)良好的(de)(de)導(dao)(dao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)和離(li)(li)(li)子(zi)(zi)(zi)的(de)(de)快(kuai)速移(yi)(yi)動(dong)，減(jian)小放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)極(ji)化，增(zeng)加放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)平臺電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)。 高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)循(xun)(xun)環(huan)(huan)性(xing)(xing)(xing)能的(de)(de)影(ying)(ying)(ying)響(xiang)(xiang)(xiang)影(ying)(ying)(ying)響(xiang)(xiang)(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)循(xun)(xun)環(huan)(huan)性(xing)(xing)(xing)能的(de)(de)因(yin)素(su)很多，從不(bu)同(tong)壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)對高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)循(xun)(xun)環(huan)(huan)性(xing)(xing)(xing)能影(ying)(ying)(ying)響(xiang)(xiang)(xiang)的(de)(de)角(jiao)度(du)(du)(du)(du)來(lai)看，其影(ying)(ying)(ying)響(xiang)(xiang)(xiang)程度(du)(du)(du)(du)比(bi)較明顯。 吸液(ye)值(zhi)、內阻、高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)性(xing)(xing)(xing)能及(ji)中值(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)的(de)(de)差異都會影(ying)(ying)(ying)響(xiang)(xiang)(xiang)鋰離(li)(li)(li)子(zi)(zi)(zi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)循(xun)(xun)環(huan)(huan)性(xing)(xing)(xing)能，而(er)這些因(yin)素(su)又與(yu)壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)存在一定的(de)(de)相關性(xing)(xing)(xing)，所以壓(ya)(ya)(ya)(ya)實(shi)(shi)密(mi)度(du)(du)(du)(du)對鋰離(li)(li)(li)子(zi)(zi)(zi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)高(gao)(gao)(gao)(gao)倍(bei)(bei)(bei)率(lv)循(xun)(xun)環(huan)(huan)性(xing)(xing)(xing)能產生了比(bi)較復(fu)雜的(de)(de)影(ying)(ying)(ying)響(xiang)(xiang)(xiang)。