( 1 ) 密(mi)封(feng)式(shi)免(wen)維(wei)護(hu)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)工(gong)作(zuo)原(yuan)理(li)
密(mi)封(feng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)是(shi)在(zai)密(mi)封(feng)鎘(ge)-鎳(nie)電(dian)池(chi)發(fa)展(zhan)成(cheng)熟(shu)後(hou)才(cai)逐(zhu)步(bu)完(wan)善(shan)的(di),工(gong)作(zuo)原(yuan)理(li)與(yu)密(mi)封(feng)鎘(ge)-鎳(nie)電(dian)池(chi)基(ji)本(ben)相(xiang)同(tong),密(mi)封(feng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)在(zai)設(she)計(ji).上(shang)限(xian)製(zhi)正(zheng)極(ji)容(rong)量(liang),而(er)負(fu)極(ji)活(huo)性(xing)物(wu)質(zhi)容(rong)量(liang)過(guo)剩(sheng),以(yi)保(bao)充(chong)電(dian)時(shi)正(zheng)極(ji)上(shang)優(you)先(xian)析(xi)出(chu)氧(yang)氣(qi)，而(er)負(fu)極(ji)上(shang)不(bu)產(chan)生(sheng)氫(qing)氣(qi)。密(mi)封(feng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)隔(ge)膜(mo)須(xu)具(ju)有(you)吸(xi)酸(suan)性(xing)能(neng)力(li)強(jiang),可(ke)壓(ya)縮(suo),有(you)利(li)於(yu)氧(yang)氣(qi)擴(kuo)散(san)等(deng)功(gong)能(neng),生(sheng)產(chan)上(shang)選(xuan)用(yong)超(chao)細(xi)玻(bo)璃(li)纖(qian)維(wei)氈(zhan)作(zuo)隔(ge)膜(mo)材(cai)料(liao),並(bing)嚴(yan)格(ge)控(kong)製(zhi)電(dian)解(xie)液(ye)用(yong)量(liang)，使(shi)隔(ge)膜(mo)隻(zhi)被(bei)電(dian)解(xie)液(ye)充(chong)滿(man)到(dao)85%~ 90% ,剩(sheng)下(xia)一(yi)定(ding)的(di)空(kong)隙(xi)作(zuo)為(wei)氣(qi)體(ti)通(tong)道(dao)。
從(zong)安(an)全(quan)考(kao)慮(lv)，密(mi)封(feng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)仍(reng)需(xu)安(an)裝(zhuang)安(an)全(quan)閥(fa)。安(an)全(quan)閥(fa)用(yong)耐(nai)酸(suan)耐(nai)老(lao)化(hua)橡(xiang)膠(jiao)製(zhi)造(zao)，一(yi)般(pan)開(kai)啟(qi)壓(ya)力(li)控(kong)製(zhi)在(zai)0.02 ~ 0.1MPa之(zhi)間(jian)。
( 2 ) 密(mi)封(feng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)製(zhi)造(zao)工(gong)藝(yi)特(te)點(dian)密(mi)封(feng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)的(di)製(zhi)造(zao)工(gong)藝(yi)和(hu)電(dian)池(chi)結(jie)構(gou)與(yu)普(pu)通(tong)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)基(ji)本(ben)相(xiang)同(tong),不(bu)同(tong)的(di)是(shi)設(she)計(ji)負(fu)極(ji)活(huo)性(xing)物(wu)質(zhi)容(rong)量(liang)過(guo)剩(sheng),板(pan)柵(zha)采(cai)用(yong)鉛(qian)鈣(gai)係(ji)列(lie)合(ge)金(jin)或(huo)低(di)銻(ti)係(ji)列(lie)鉛(qian)銻(ti)合(ge)金(jin)抑(yi)製(zhi)充(chong)電(dian)時(shi)析(xi)出(chu)氫(qing)氣(qi),隔(ge)板(pan)采(cai)用(yong)吸(xi)附(fu)式(shi)超(chao)細(xi)玻(bo)璃(li)纖(qian)維(wei)氈(zhan)。電(dian)解(xie)液(ye)要(yao)求(qiu)選(xuan)用(yong)分(fen)析(xi)純(chun)H2SO4和(hu)電(dian)阻(zu)率(shuai)大(dai)於(yu)3MQ:cm的(di)純(chun)水(shui)配(pei)製(zhi)。
密(mi)封(feng)鉛(qian)酸(suan)蓄(xu)電(dian)池(chi)多(duo)采(cai)用(yong)電(dian)池(chi)化(hua)成(cheng),操(cao)作(zuo)簡(jian)便(pian),提(ti)高(gao)化(hua)成(cheng)效(xiao)率(shuai)。電(dian)池(chi)化(hua)成(cheng)方(fang)法(fa)是(shi)在(zai)電(dian)池(chi)中(zhong)注(zhu)入(ru)密(mi)度(duo)為(wei)1.27kg:L *的(di)稀(xi)H2SO4,即(ji)開(kai)始(shi)通(tong)電(dian)。第(di)一(yi)階(jie)段(duan)用(yong)0.1C2。,待(dai)電(dian)壓(ya)升(sheng)到(dao)2.5V時(shi),改(gai)用(yong)0.05C。充(chong)電(dian),待(dai)電(dian)壓(ya)又(you)達(da)到(dao)2V時(shi),改(gai)用(yong)0.025C2。充(chong)電(dian),再(zai)達(da)到(dao)2.5V時(shi),充(chong)電(dian)停(ting)止(zhi)。然(ran)後(hou)以(yi)0.1C2。放(fang)電(dian)至(zhi)1.75V ，再(zai)充(chong)足(ju)再(zai)放(fang),再(zai)充(chong)足(ju)。一(yi)般(pan)化(hua)成(cheng)時(shi)間(jian)為(wei)140h左(zuo)右(you)。化(hua)成(cheng)結(jie)束(shu)，吸(xi)出(chu)過(guo)量(liang)稀(xi)H2SO。,進(jin)行(hang)調(diao)整(zheng)充(chong)電(dian),以(yi)建(jian)立(li)電(dian)池(chi)內(nei)部(bu)的(di)“氧(yang)循(xun)環(huan)”。調(diao)整(zheng)充(chong)電(dian)采(cai)用(yong)恒(heng)壓(ya)限(xian)流(liu)方(fang)式(shi),控(kong)製(zhi)電(dian)壓(ya)2.55V ,限(xian)流(liu)為(wei)0.3C20，直(zhi)至(zhi)充(chong)電(dian)電(dian)流(liu)3h不(bu)變(bian)為(wei)止(zhi)。
