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目(mu)前，市场上商业化的电(dian)池是聚合物锂电(dian)池和18650锂电(dian)池。如(ru)果您(nin)不制(zhi)造电(dian)池，那么许多(duo)人都不知(zhi)道这两种电(dian)池之间的区别。

1、电池的形状不同

聚合物(wu)锂电(dian)(dian)池(chi)(chi)(chi)和18650锂电(dian)(dian)池(chi)(chi)(chi)在电(dian)(dian)池(chi)(chi)(chi)芯(xin)方面直(zhi)观(guan)的区(qu)别(bie)是(shi)(shi)外(wai)观(guan)不同(tong)(tong)。聚合物(wu)锂电(dian)(dian)池(chi)(chi)(chi)是(shi)(shi)方形(xing)的，外(wai)壳是(shi)(shi)铝塑(su)膜，它是(shi)(shi)一种软包(bao)电(dian)(dian)池(chi)(chi)(chi)。18650锂电(dian)(dian)池(chi)(chi)(chi)为(wei)圆柱形(xing)，外(wai)壳为(wei)钢壳，硬质(zhi)包(bao)装。同(tong)(tong)时，18650锂电(dian)(dian)池(chi)(chi)(chi)只(zhi)有一种尺寸(cun)，其直(zhi)径和高度是(shi)(shi)固定(ding)的，可以(yi)制(zhi)(zhi)成的大容量为(wei)3200mAh或更(geng)小。但是(shi)(shi)，锂聚合物(wu)电(dian)(dian)池(chi)(chi)(chi)不同(tong)(tong)，它可以(yi)制(zhi)(zhi)成各种尺寸(cun)和形(xing)状(zhuang)的电(dian)(dian)池(chi)(chi)(chi)，例如三角形(xing)，梯形(xing)，弧形(xing)等。当然(ran)，除了球形(xing)外(wai)，它还可以(yi)更(geng)好地控(kong)制(zhi)(zhi)电(dian)(dian)池(chi)(chi)(chi)容量。

2、电解质的差异

两(liang)种电(dian)(dian)(dian)(dian)池在电(dian)(dian)(dian)(dian)解液方(fang)面也有所不(bu)(bu)同(tong)。当(dang)然，即使通常使用相同(tong)的(de)(de)(de)电(dian)(dian)(dian)(dian)池，使用的(de)(de)(de)电(dian)(dian)(dian)(dian)解质(zhi)(zhi)也可能不(bu)(bu)同(tong)。这里的(de)(de)(de)差(cha)异(yi)主要是形(xing)式(shi)上的(de)(de)(de)差(cha)异(yi)。聚合物锂(li)电(dian)(dian)(dian)(dian)池中使用的(de)(de)(de)电(dian)(dian)(dian)(dian)解质(zhi)(zhi)有三种，分别是液体、胶体和固体。不(bu)(bu)同(tong)的(de)(de)(de)电(dian)(dian)(dian)(dian)解质(zhi)(zhi)有不(bu)(bu)同(tong)的(de)(de)(de)优点和缺点。18650锂(li)电(dian)(dian)(dian)(dian)池中使用的(de)(de)(de)电(dian)(dian)(dian)(dian)解质(zhi)(zhi)基(ji)本上是液体。

3、生产工艺的差异

聚合物锂(li)电(dian)(dian)池(chi)的制(zhi)造工艺是层压的。该工艺可(ke)(ke)以低成本(ben)、高效率(lv)地改(gai)变电(dian)(dian)池(chi)制(zhi)造的尺寸和(he)形(xing)状(zhuang)(zhuang)。它可(ke)(ke)以根据(ju)产(chan)品的实际应(ying)用需求(qiu)生产(chan)合适形(xing)状(zhuang)(zhuang)的电(dian)(dian)池(chi)，充分利用商品空间(jian)，使产(chan)品更(geng)符合消费者的应(ying)用需求(qiu)。18650锂(li)电(dian)(dian)池(chi)的制(zhi)造工艺为(wei)卷绕式，具有固定(ding)的尺寸和(he)形(xing)状(zhuang)(zhuang)。

4、应用领域的差异

聚(ju)合物(wu)锂电池在(zai)商业产品中的(de)应用(yong)领域(yu)比18650锂电池在(zai)深度和广度上要(yao)大得多。基本(ben)上，可以使(shi)用(yong)18650电池代(dai)替聚(ju)合物(wu)锂电池。它(ta)是在(zai)3C中特别生产的(de)。在(zai)产品领域(yu)，在(zai)智能设备小型化和高续航的(de)要(yao)求下，18650电池无(wu)法实现，而锂聚(ju)合物(wu)电池可以。