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在军事领域(yu)，战术便(bian)携(xie)式设备(如通信(xin)、指控、侦(zhen)察、定位(wei)等设备)多(duo)采用锂(li)离(li)子电池作为(wei)核心供电单元，可(ke)满(man)足设备在多(duo)种使用方式(手(shou)持、鞍座、磨损、运输)下的功(gong)率(lv)需求。锂(li)离(li)子电池提供3.6V、7.2V、14.4V和25.2V四个电压(ya)等级，容量在12Ah以(yi)下。配套充(chong)电设备功(gong)率(lv)等级多(duo)在200W以(yi)下，充(chong)电电流0.2C、0.5C。

高倍(bei)率(lv)锂电池(chi)(chi)能(neng)否在匹配(pei)特性(xing)上与现有(you)电池(chi)(chi)保(bao)持一(yi)致(zhi)？高倍(bei)率(lv)锂电池(chi)(chi)在设(she)备(bei)(bei)配(pei)套系(xi)统上是可行的。通过产品(pin)优化(hua)和工艺改进(jin)，使其(qi)在电气适配(pei)、接(jie)口匹配(pei)、供(gong)电要(yao)求(qiu)等方面与现有(you)电池(chi)(chi)保(bao)持一(yi)致(zhi)。现有(you)充(chong)(chong)电设(she)备(bei)(bei)不(bu)具备(bei)(bei)5-20C充(chong)(chong)电能(neng)力。充(chong)(chong)电电流(liu)(liu)翻(fan)倍(bei)不(bu)仅(jin)会(hui)(hui)增加(jia)充(chong)(chong)电设(she)备(bei)(bei)的功率(lv)、体(ti)积和质量，还会(hui)(hui)增加(jia)对军营或野战移动平台供(gong)电能(neng)力的要(yao)求(qiu)。同时(shi)，电流(liu)(liu)越高，充(chong)(chong)电时(shi)间(jian)越短，越有(you)利于(yu)应(ying)急任务的实施。

目前(qian)充(chong)(chong)(chong)电(dian)(dian)(dian)设(she)(she)备(bei)的(de)效(xiao)率(lv)(lv)一般在(zai)90%左右。考虑高速充(chong)(chong)(chong)电(dian)(dian)(dian)时(shi)设(she)(she)备(bei)热损失增加(jia)等(deng)因素，85%效(xiao)率(lv)(lv)下(xia)计算出的(de)有效(xiao)输出功率(lv)(lv)为2992W。通过对比可(ke)(ke)(ke)以看(kan)(kan)出，在(zai)高10C的(de)情况(kuang)下(xia)可(ke)(ke)(ke)以满足充(chong)(chong)(chong)电(dian)(dian)(dian)设(she)(she)备(bei)的(de)工作要求。充(chong)(chong)(chong)电(dian)(dian)(dian)电(dian)(dian)(dian)流(liu)从10C增加(jia)到20C，理论充(chong)(chong)(chong)电(dian)(dian)(dian)时(shi)间(jian)从6min减少到3min，但设(she)(she)备(bei)功率(lv)(lv)几乎(hu)翻了一倍，给配(pei)电(dian)(dian)(dian)系统和充(chong)(chong)(chong)电(dian)(dian)(dian)设(she)(she)备(bei)的(de)设(she)(she)计制造带(dai)来了困难。从使用角度来看(kan)(kan)，与现有充(chong)(chong)(chong)电(dian)(dian)(dian)设(she)(she)备(bei)0.5℃充(chong)(chong)(chong)电(dian)(dian)(dian)相比，10C充(chong)(chong)(chong)电(dian)(dian)(dian)可(ke)(ke)(ke)将(jiang)理论充(chong)(chong)(chong)电(dian)(dian)(dian)时(shi)间(jian)从2H缩短(duan)至6min。综(zong)上所述，将(jiang)10C设(she)(she)定为锂离(li)子电(dian)(dian)(dian)池的(de)高倍率(lv)(lv)充(chong)(chong)(chong)电(dian)(dian)(dian)是可(ke)(ke)(ke)行的(de)。