2022-08-09
聚(ju)合物(wu)锂电池(chi)(chi)是(shi)1999年大量进入市场(chang)的新一代(dai)电池(chi)(chi)。聚(ju)合物(wu)锂电池(chi)(chi)与(yu)锂离(li)子(zi)电池(chi)(chi)基本(ben)相同(tong)，不同(tong)的是(shi)电解(jie)质(zhi)(zhi)(zhi)，其是(shi)固体(ti)聚(ju)合物(wu)而(er)不是(shi)液(ye)体(ti)电解(jie)质(zhi)(zhi)(zhi)。聚(ju)合物(wu)电解(jie)质(zhi)(zhi)(zhi)材(cai)料(liao)主(zhu)要是(shi)聚(ju)合物(wu)(如(ru)聚(ju)乙烯)的氧(yang)化(hua)物(wu)作为(wei)固定溶(rong)剂的溶(rong)液(ye)组(zu)成的普(pu)通薄膜。
聚合物锂电池的优点：
1、可定制任何形状，体(ti)重轻。
2、不(bu)含重(zhong)金(jin)属，塑料外壳可以将电解(jie)质固定在(zai)适当的位置(zhi)。
3、其性能良好，理想状态下锂(li)聚合物电池(chi)容量可达几千mA/h，且更安全(quan)。
4、固体电解(jie)质的作用类似于(yu)密封凝胶，在充电过程中不容易(yi)自(zi)然分解(jie)。
5、可制成薄电(dian)池:3.6V400mah容(rong)量，厚度(du)可薄至(zhi)0.5mm。
6、电池(chi)可弯(wan)曲(qu)变形，大可弯(wan)曲(qu)约(yue)90°。
7、可(ke)制(zhi)成(cheng)单层(ceng)高压(ya):液体(ti)电(dian)解质电(dian)池(chi)只能将(jiang)多节电(dian)池(chi)串联起来获(huo)得高压(ya)，而聚合物电(dian)池(chi)由于没(mei)有液体(ti)，可(ke)制(zhi)成(cheng)多层(ceng)复合在单层(ceng)中获(huo)得高压(ya)。它的(de)容量(liang)将(jiang)是相同尺寸的(de)锂离子电(dian)池(chi)的(de)两倍。
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