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充電機快速充電原理

2019/3/19 10:17:18??????點擊:
蓄電(dian)池(chi)充電(dian)機的種(zhong)類很多(duo),目前應(ying)用最廣的主(zhu)要(yao)是(shi)密封鉛(qian)酸蓄電(dian)池(chi)和鎳鎘電(dian)池(chi)。這(zhe)2種(zhong)蓄電(dian)池(chi)的充放電(dian)原理(li)都(dou)是(shi)一(yi)樣的,即都(dou)是(shi)通過化學反(fan)應(ying)產生正負(fu)離(li)子形成電(dian)流。
蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)機的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)在充(chong)(chong)放電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)過(guo)程中會(hui)產生氧氣(qi)(qi),在密(mi)封式蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)中,這些正極(ji)(ji)產生的(de)(de)(de)氧氣(qi)(qi)可(ke)以通過(guo)隔膜和(he)氣(qi)(qi)室被負(fu)極(ji)(ji)吸收(shou),整個化(hua)學反(fan)(fan)應(ying)形(xing)成(cheng)一(yi)個循(xun)環(huan)的(de)(de)(de)反(fan)(fan)應(ying)形(xing)式。就(jiu)密(mi)封式電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)而言,它的(de)(de)(de)內(nei)(nei)(nei)壓有限(xian),因此負(fu)極(ji)(ji)的(de)(de)(de)吸收(shou)速度(du)也是有限(xian)的(de)(de)(de)。如果充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)壓過(guo)高,正極(ji)(ji)產生氧氣(qi)(qi)的(de)(de)(de)速度(du)過(guo)快(kuai)(kuai)(kuai),負(fu)極(ji)(ji)的(de)(de)(de)吸收(shou)速度(du)跟不上氧氣(qi)(qi)的(de)(de)(de)產生速度(du),長(chang)時間之(zhi)后必(bi)然造成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)失(shi)水(shui),從而誘發電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)微(wei)短(duan)路硫酸化(hua)等失(shi)效現(xian)象,損(sun)害(hai)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)質量(liang),縮短(duan)其(qi)(qi)使(shi)(shi)用壽(shou)命(ming)。同時高速率充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)時電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)極(ji)(ji)化(hua)會(hui)造成(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)內(nei)(nei)(nei)部壓力上升,電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)溫(wen)度(du)上升,電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)內(nei)(nei)(nei)阻升高,這不僅(jin)會(hui)縮短(duan)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)壽(shou)命(ming),而且有可(ke)能(neng)對電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)造成(cheng)永久性傷害(hai)。蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)這一(yi)化(hua)學反(fan)(fan)應(ying)原理是研(yan)究制(zhi)定快(kuai)(kuai)(kuai)速充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)方(fang)法的(de)(de)(de)根本。一(yi)方(fang)面(mian),快(kuai)(kuai)(kuai)速充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)要盡量(liang)加(jia)快(kuai)(kuai)(kuai)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)化(hua)學反(fan)(fan)應(ying),使(shi)(shi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)速度(du)得(de)到最大的(de)(de)(de)提高;另一(yi)方(fang)面(mian),又要保證負(fu)極(ji)(ji)的(de)(de)(de)吸收(shou)能(neng)力,使(shi)(shi)其(qi)(qi)能(neng)夠跟得(de)上正極(ji)(ji)氧氣(qi)(qi)產生的(de)(de)(de)速度(du),同時要盡可(ke)能(neng)消除(chu)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)極(ji)(ji)化(hua)現(xian)象。
提高蓄電池充電機速度有2種方式,一是改進蓄電池的結構以降低其內阻和提高反應離子的擴散速度,二是改進蓄電池的充電方法。本文中對充電方法作了重點論述。上海施能電器設(she)備有限公司始建于1984年,上海市高新技術企業,中國工業車輛優秀配套供應商,上海電器行業名優產品,主要生產工頻系列充電機,高頻系列充電機,鋰電池充電機系列放電機系列充放電機等電器產品。
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