1、快(kuai)速(su)性(xing)評(ping)述(shu)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)快(kuai)速(su)充(chong)電(dian)的(di)重(chong)要(yao)技(ji)術(zhu)指(zhi)標(biao)是(shi)完(wan)成(cheng)充(chong)電(dian)的(di)時(shi)間(jian)。一(yi)般(pan)認(ren)為(wei),充(chong)電(dian)時(shi)間(jian)在(zai)5小(xiao)時(shi)之(zhi)內(nei)者(zhe),為(wei)快(kuai)速(su)充(chong)電(dian)。各(ge)種(zhong)蓄(xu)電(dian)池(chi)所(suo)采(cai)用(yong)的(di)充(chong)電(dian)電(dian)流(liu)和(hu)它(ta)的(di)容(rong)量(liang)有(you)關(guan),通(tong)常(chang)用(yong)蓄(xu)電(dian)池(chi)10小(xiao)時(shi)率(shuai)標(biao)稱(chen)容(rong)量(liang)C的(di)數(shuo)值(zhi)表(biao)示(shi)充(chong)電(dian)電(dian)流(liu)的(di)大(dai)小(xiao)。例(li)如(ru),我(wo)國(guo)常(chang)規(gui)充(chong)電(dian)所(suo)用(yong)充(chong)電(dian)電(dian)流(liu)為(wei)0.1C安(an)或(huo)0.2C安(an)。用(yong)這(zhe)樣(yang)小(xiao)的(di)電(dian)流(liu)充(chong)電(dian),完(wan)成(cheng)一(yi)次(ci)完(wan)全(quan)充(chong)電(dian)的(di)時(shi)間(jian)至(zhi)少(shao)要(yao)用(yong)15小(xiao)時(shi)。
國(guo)外(wai)正(zheng)研(yan)究(jiu)用(yong)大(dai)電(dian)流(liu)充(chong)電(dian),以(yi)便(pian)使(shi)蓄(xu)電(dian)池(chi)的(di)完(wan)全(quan)充(chong)電(dian)在(zai)1小(xiao)時(shi)以(yi)內(nei)完(wan)成(cheng),這(zhe)樣(yang)的(di)充(chong)電(dian)稱(chen)為(wei)高(gao)速(su)充(chong)電(dian)。也(ye)有(you)采(cai)用(yong)電(dian)流(liu)充(chong)電(dian),從(zong)而(er)使(shi)蓄(xu)電(dian)池(chi)的(di)完(wan)全(quan)充(chong)電(dian)在(zai)1分(fen)鍾(zhong)以(yi)內(nei)完(wan)成(cheng),這(zhe)樣(yang)的(di)充(chong)電(dian)稱(chen)為(wei)瞬(shun)息(xi)充(chong)電(dian)。高(gao)速(su)充(chong)電(dian)和(hu)瞬(shun)息(xi)充(chong)電(dian)僅(jin)適(kuo)用(yong)於(yu)小(xiao)容(rong)量(liang)蓄(xu)電(dian)池(chi)。對(dui)起(qi)動(dong)型(xing)或(huo)動(dong)力(li)型(xing)等(deng)大(dai)容(rong)量(liang)蓄(xu)電(dian)池(chi)采(cai)用(yong)高(gao)速(su)充(chong)電(dian)或(huo)瞬(shun)息(xi)充(chong)電(dian)時(shi),要(yao)求(qiu)充(chong)電(dian)電(dian)源(yuan)提(ti)供(gong)相(xiang)當(dang)強(jiang)大(dai)的(di)電(dian)流(liu),因(yin)而(er)使(shi)得(dei)快(kuai)速(su)充(chong)電(dian)設(she)備(bei)相(xiang)當(dang)龐(pang)大(dai),我(wo)國(guo)蓄(xu)電(dian)池(chi)的(di)結(jie)構(gou)也(ye)不(bu)適(kuo)應(ying)如(ru)此(ci)強(jiang)大(dai)的(di)電(dian)流(liu)。
2、出(chu)氣(qi)量(liang)和(hu)出(chu)氣(qi)率(shuai)出(chu)氣(qi)是(shi)蓄(xu)電(dian)池(chi)充(chong)電(dian)過(guo)程(cheng)中(zhong)極(ji)其(qi)重(chong)要(yao)的(di)問(wen)題(ti)。出(chu)氣(qi)量(liang)是(shi)指(zhi)完(wan)成(cheng)蓄(xu)電(dian)池(chi)完(wan)全(quan)充(chong)電(dian)的(di)整(zheng)個(ge)充(chong)電(dian)過(guo)程(cheng)中(zhong),在(zai)一(yi)個(ge)大(dai)氣(qi)壓(ya)下(xia),正(zheng)負(fu)極(ji)板(pan)析(xi)出(chu)氣(qi)體(ti)的(di)總(zong)和(hu),單(shan)位(wei)為(wei)“升(sheng)”。出(chu)氣(qi)率(shuai)是(shi)指(zhi)蓄(xu)電(dian)池(chi)充(chong)電(dian)的(di)某(mou)一(yi)階(jie)段(duan),在(zai)一(yi)個(ge)大(dai)氣(qi)壓(ya)下(xia),單(shan)位(wei)時(shi)間(jian)內(nei)正(zheng)負(fu)極(ji)板(pan)析(xi)出(chu)的(di)氣(qi)體(ti)量(liang),單(shan)位(wei)為(wei)“升(sheng)/分(fen)”。
充(chong)電(dian)過(guo)程(cheng)中(zhong),由(you)於(yu)出(chu)氣(qi),將(qiang)迫(po)使(shi)電(dian)解(xie)液(ye)從(zong)極(ji)板(pan)孔(kong)隙(xi)內(nei)流(liu)出(chu),造(zao)成(cheng)極(ji)板(pan)的(di)局(ju)部(bu)表(biao)麵(mian)缺(que)乏(fa)電(dian)解(xie)液(ye)。會(kuai)降(xiang)低(di)充(chong)電(dian)速(su)度(duo)。出(chu)氣(qi)率(shuai)過(guo)大(dai)時(shi),產(chan)生(sheng)的(di)氣(qi)體(ti)衝(chong)刷(shua)極(ji)板(pan),還(huan)會(kuai)破(po)壞(huai)極(ji)板(pan)結(jie)構(gou),造(zao)成(cheng)活(huo)性(xing)物(wu)質(zhi)脫(tuo)落(la)。
在(zai)充(chong)電(dian)後(hou)期(qi),有(you)出(chu)氣(qi)現(xian)象(xiang)是(shi)不(bu)可(ke)避(bi)免(wen)的(di)。但(dan)是(shi),為(wei)了(liao)延(yan)長(zhang)蓄(xu)電(dian)池(chi)使(shi)用(yong)壽(shou)命(ming),提(ti)高(gao)充(chong)電(dian)速(su)度(duo),降(xiang)低(di)出(chu)氣(qi)率(shuai)已(yi)成(cheng)為(wei)任(ren)何(he)充(chong)電(dian)製(zhi)度(duo)的(di)重(chong)要(yao)目(mu)標(biao)。有(you)的(di)快(kuai)速(su)充(chong)電(dian)方(fang)法(fa)由(you)於(yu)出(chu)氣(qi)率(shuai)高(gao),造(zao)成(cheng)損(sun)害(hai)蓄(xu)電(dian)池(chi)和(hu)浪(lang)費(fei)電(dian)能(neng)是(shi)不(bu)可(ke)取(qu)的(di)。快(kuai)速(su)充(chong)電(dian)的(di)出(chu)氣(qi)率(shuai)應(ying)比(bi)常(chang)規(gui)充(chong)電(dian)“沸(fei)騰(teng)”階(jie)段(duan)的(di)出(chu)氣(qi)率(shuai)低(di)才(cai)好(hao)。快(kuai)速(su)充(chong)電(dian)總(zong)的(di)出(chu)氣(qi)量(liang)應(ying)比(bi)常(chang)規(gui)充(chong)電(dian)總(zong)出(chu)氣(qi)量(liang)小(xiao)。
3、溫(wen)升(sheng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)在(zai)快(kuai)速(su)充(chong)電(dian)時(shi),可(ke)能(neng)會(kuai)產(chan)生(sheng)較(jiao)大(dai)的(di)溫(wen)升(sheng)。高(gao)溫(wen)會(kuai)縮(suo)短(duan)蓄(xu)電(dian)池(chi)的(di)使(shi)用(yong)壽(shou)命(ming)。
在(zai)充(chong)電(dian)過(guo)程(cheng)中(zhong),電(dian)化(hua)學(xue)極(ji)化(hua)、蓄(xu)電(dian)池(chi)內(nei)電(dian)阻(zu)和(hu)化(hua)學(xue)反(fan)應(ying)的(di)熱(re)力(li)學(xue)過(guo)程(cheng)是(shi)蓄(xu)電(dian)池(chi)溫(wen)升(sheng)的(di)三(san)個(ge)熱(re)源(yuan),將(qiang)造(zao)成(cheng)充(chong)電(dian)時(shi)的(di)熱(re)效(xiao)應(ying)。快(kuai)速(su)充(chong)電(dian)也(ye)應(ying)當(dang)把(ba)電(dian)解(xie)液(ye)的(di)溫(wen)升(sheng)限(xian)製(zhi)在(zai)常(chang)規(gui)充(chong)電(dian)所(suo)允(yun)許(xu)的(di)範(fan)圍(wei)內(nei)。電(dian)解(xie)液(ye)溫(wen)度(duo)不(bu)應(ying)超(chao)過(guo)45℃。
4、壽(shou)命(ming)快(kuai)速(su)充(chong)電(dian)由(you)於(yu)充(chong)電(dian)電(dian)流(liu)大(dai)(如(ru)1 C安(an)培(pei)),容(rong)易(yi)出(chu)現(xian)出(chu)氣(qi)率(shuai)大(dai)和(hu)溫(wen)升(sheng)高(gao)的(di)現(xian)象(xiang),影(ying)響(xiang)蓄(xu)電(dian)池(chi)的(di)壽(shou)命(ming)。應(ying)用(yong)快(kuai)速(su)充(chong)電(dian)時(shi),蓄(xu)電(dian)池(chi)所(suo)能(neng)達(da)到(dao)的(di)充(chong)放(fang)電(dian)循(xun)環(huan)數(shuo),是(shi)衡(heng)量(liang)充(chong)電(dian)設(she)備(bei)質(zhi)量(liang)的(di)重(chong)要(yao)指(zhi)標(biao)。使(shi)用(yong)我(wo)國(guo)研(yan)製(zhi)的(di)快(kuai)速(su)充(chong)電(dian)機(ji),進(jin)行(hang)充(chong)電(dian)的(di)蓄(xu)電(dian)池(chi)壽(shou)命(ming),可(ke)以(yi)達(da)到(dao)部(bu)頒(ban)標(biao)準(zhun)的(di)要(yao)求(qiu),但(dan)比(bi)采(cai)用(yong)常(chang)規(gui)充(chong)電(dian)製(zhi)度(duo)實(shi)際(ji)達(da)到(dao)的(di)壽(shou)命(ming)略(lüe)低(di)。