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充(chong)電(dian)(dian)(dian)(dian)是電(dian)(dian)(dian)(dian)池(chi)重復(fu)使用的重要(yao)步驟，鋰(li)離子電(dian)(dian)(dian)(dian)池(chi)的充(chong)電(dian)(dian)(dian)(dian)過(guo)程分為兩個階(jie)(jie)(jie)段：恒流快充(chong)階(jie)(jie)(jie)段和恒壓(ya)電(dian)(dian)(dian)(dian)流遞減階(jie)(jie)(jie)段。恒流快充(chong)階(jie)(jie)(jie)段，電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)壓(ya)逐步升(sheng)高到電(dian)(dian)(dian)(dian)池(chi)的標準電(dian)(dian)(dian)(dian)壓(ya)，隨(sui)后在(zai)控制芯片(pian)下(xia)轉入(ru)恒壓(ya)階(jie)(jie)(jie)段，電(dian)(dian)(dian)(dian)壓(ya)不(bu)再升(sheng)高以(yi)確保不(bu)會(hui)過(guo)充(chong)，電(dian)(dian)(dian)(dian)流則隨(sui)著電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)量(liang)的上(shang)升(sheng)逐步減弱到設定的值，而最終完成充(chong)電(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)量(liang)統計芯片(pian)通過(guo)記錄放電(dian)(dian)(dian)(dian)曲線可以(yi)抽樣計算出電(dian)(dian)(dian)(dian)池(chi)的電(dian)(dian)(dian)(dian)量(liang)。鋰(li)離子電(dian)(dian)(dian)(dian)池(chi)在(zai)多(duo)次使用后，放電(dian)(dian)(dian)(dian)曲線會(hui)發(fa)生改(gai)變(bian)，鋰(li)離子電(dian)(dian)(dian)(dian)池(chi)雖(sui)然(ran)不(bu)存(cun)在(zai)記憶效(xiao)應，但(dan)是充(chong)、放電(dian)(dian)(dian)(dian)不(bu)當會(hui)嚴重影響電(dian)(dian)(dian)(dian)池(chi)性能。

鋰離(li)子電(dian)池過(guo)度充(chong)放電(dian)會對(dui)正負(fu)極(ji)造(zao)成永久性損壞。過(guo)度放電(dian)導致負(fu)極(ji)碳片層(ceng)結(jie)構出現(xian)塌(ta)陷(xian)，而塌(ta)陷(xian)會造(zao)成充(chong)電(dian)過(guo)程中(zhong)鋰離(li)子無法插入；過(guo)度充(chong)電(dian)使(shi)過(guo)多的鋰離(li)子嵌(qian)入負(fu)極(ji)碳結(jie)構，而造(zao)成其中(zhong)部(bu)分鋰離(li)子再也無法釋放出來。

充(chong)電(dian)(dian)(dian)量(liang)等于充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流乘以充(chong)電(dian)(dian)(dian)時間(jian)，在(zai)充(chong)電(dian)(dian)(dian)控制(zhi)電(dian)(dian)(dian)壓一(yi)定(ding)的(de)(de)(de)情(qing)況(kuang)下，充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流越大（充(chong)電(dian)(dian)(dian)速度(du)越快(kuai)(kuai)），充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)量(liang)越小(xiao)。電(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)速度(du)過快(kuai)(kuai)和終(zhong)止電(dian)(dian)(dian)壓控制(zhi)點不(bu)(bu)當，同樣會造(zao)成電(dian)(dian)(dian)池(chi)容量(liang)不(bu)(bu)足(zu)，實(shi)際是電(dian)(dian)(dian)池(chi)的(de)(de)(de)部分電(dian)(dian)(dian)極活(huo)性物質沒(mei)有得到充(chong)分反(fan)應就停止充(chong)電(dian)(dian)(dian)，這種充(chong)電(dian)(dian)(dian)不(bu)(bu)足(zu)的(de)(de)(de)現象隨(sui)著循環次數的(de)(de)(de)增加而加劇。

第一次充(chong)放(fang)電(dian)(dian)，如果時(shi)間(jian)能較長(一般3--4小時(shi)足(zu)夠)，那么可以使電(dian)(dian)極盡可能多的達(da)到最高氧化態(tai)（充(chong)足(zu)電(dian)(dian)），放(fang)電(dian)(dian)（或使用(yong)）時(shi)則(ze)強(qiang)制放(fang)到規定(ding)的電(dian)(dian)壓(ya)、或直(zhi)至自動關機(ji)，如此能激活電(dian)(dian)池使用(yong)容量。但在鋰離(li)子電(dian)池的(de)平常(chang)使用中，不需要(yao)如此操(cao)(cao)作(zuo)，可以隨(sui)時根據需要(yao)充(chong)(chong)電(dian)，充(chong)(chong)電(dian)時既不必要(yao)一定充(chong)(chong)滿電(dian)為止(zhi)，也不需要(yao)先(xian)放(fang)(fang)電(dian)。象首次充(chong)(chong)放(fang)(fang)電(dian)那(nei)樣的(de)操(cao)(cao)作(zuo)，只需要(yao)每隔3--4個月進行連續的(de)1--2次即可。

江(jiang)門市朗達鋰(li)電(dian)(dian)池(chi)有限公司是一家在華南地區獲得ISO9001認證(zheng)的(de)電(dian)(dian)池(chi)設計，開發(fa)和(he)制造(zao)的(de)公司，專門生產磷酸鋰(li)離子（LiFePO4）,鋰(li)離子，鎳(nie)鎘和(he)鎳(nie)氫充電(dian)(dian)電(dian)(dian)池(chi)。無(wu)論您(nin)的(de)開發(fa)預算和(he)時間表(biao)如何，朗達都可(ke)以提(ti)供電(dian)(dian)源解決方(fang)案(an)，使您(nin)的(de)設備具有競爭優勢。期待與您(nin)的(de)合作！