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充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)是電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)重復使用的(de)(de)重要步(bu)驟，鋰離子(zi)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)過程(cheng)分為兩個階(jie)段：恒(heng)流快充(chong)(chong)(chong)階(jie)段和恒(heng)壓電(dian)(dian)(dian)(dian)(dian)流遞減(jian)階(jie)段。恒(heng)流快充(chong)(chong)(chong)階(jie)段，電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)(dian)(dian)壓逐步(bu)升高到電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)標準電(dian)(dian)(dian)(dian)(dian)壓，隨(sui)后(hou)在(zai)控制芯(xin)片(pian)下轉入恒(heng)壓階(jie)段，電(dian)(dian)(dian)(dian)(dian)壓不再升高以確保不會(hui)(hui)過充(chong)(chong)(chong)，電(dian)(dian)(dian)(dian)(dian)流則隨(sui)著電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)(dian)(dian)量的(de)(de)上升逐步(bu)減(jian)弱到設(she)定的(de)(de)值，而最(zui)終完成(cheng)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)(dian)量統計(ji)芯(xin)片(pian)通過記(ji)錄放電(dian)(dian)(dian)(dian)(dian)曲(qu)線可(ke)以抽樣計(ji)算出電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)量。鋰離子(zi)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)在(zai)多次使用后(hou)，放電(dian)(dian)(dian)(dian)(dian)曲(qu)線會(hui)(hui)發(fa)生改變，鋰離子(zi)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)雖然不存在(zai)記(ji)憶效應，但是充(chong)(chong)(chong)、放電(dian)(dian)(dian)(dian)(dian)不當會(hui)(hui)嚴重影(ying)響電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)性能。

鋰離子(zi)電(dian)池過(guo)度(du)(du)充放電(dian)會對(dui)正(zheng)負(fu)極造成永久性損壞。過(guo)度(du)(du)放電(dian)導致(zhi)負(fu)極碳(tan)片層結(jie)構出現塌陷，而(er)塌陷會造成充電(dian)過(guo)程中(zhong)鋰離子(zi)無(wu)法插入；過(guo)度(du)(du)充電(dian)使過(guo)多的鋰離子(zi)嵌入負(fu)極碳(tan)結(jie)構，而(er)造成其中(zhong)部分鋰離子(zi)再(zai)也無(wu)法釋放出來。

充(chong)(chong)(chong)(chong)電(dian)(dian)量(liang)等于充(chong)(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流乘以充(chong)(chong)(chong)(chong)電(dian)(dian)時間，在充(chong)(chong)(chong)(chong)電(dian)(dian)控制電(dian)(dian)壓一定(ding)的(de)情(qing)況下，充(chong)(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流越(yue)大(da)（充(chong)(chong)(chong)(chong)電(dian)(dian)速度越(yue)快），充(chong)(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)量(liang)越(yue)小。電(dian)(dian)池充(chong)(chong)(chong)(chong)電(dian)(dian)速度過(guo)快和終止電(dian)(dian)壓控制點不(bu)當(dang)，同樣會造成電(dian)(dian)池容(rong)量(liang)不(bu)足，實(shi)際是電(dian)(dian)池的(de)部分電(dian)(dian)極(ji)活性物質沒有(you)得到充(chong)(chong)(chong)(chong)分反應就停止充(chong)(chong)(chong)(chong)電(dian)(dian)，這(zhe)種充(chong)(chong)(chong)(chong)電(dian)(dian)不(bu)足的(de)現象隨著循環次數的(de)增(zeng)加(jia)而加(jia)劇。

充放電，如果時間能較長(一般3--4小時足夠)，那么可以使電極盡可能多的達到最高氧化態（充足電），放電（或使用）時則強制放到規定的電壓、或直至自動關機，如此能激活電池使用容量。但在鋰離子(zi)電(dian)池(chi)的(de)平(ping)常(chang)使用中(zhong)，不需要(yao)(yao)如此操作，可以隨時根據需要(yao)(yao)充(chong)電(dian)，充(chong)電(dian)時既不必要(yao)(yao)一定(ding)充(chong)滿電(dian)為止(zhi)，也不需要(yao)(yao)先放電(dian)。象首次充(chong)放電(dian)那樣的(de)操作，只需要(yao)(yao)每隔(ge)3--4個月進行連續的(de)1--2次即可。

江門市朗(lang)達鋰(li)電池(chi)有限公司(si)是一家在(zai)華南地(di)區獲得ISO9001認(ren)證的電池(chi)設(she)計，開發(fa)和制造的公司(si)，專門生產磷酸鋰(li)離(li)子（LiFePO4）,鋰(li)離(li)子，鎳鎘(ge)和鎳氫充電電池(chi)。無論您(nin)的開發(fa)預算和時(shi)間表如何(he)，朗(lang)達都可以提(ti)供電源解決方案，使您(nin)的設(she)備(bei)具有競(jing)爭優勢。期待與您(nin)的合作！

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