日(ri)期(qi)：
2021-03-25
瀏(liu)覽(lan)次(ci)數(shuo):
正(zheng)極(ji)板(pan)柵(zha)腐(fu)蝕(shi)是(shi)指(zhi)正(zheng)極(ji)板(pan)柵(zha)在(zai)電(dian)池(chi)過(guo)充(chong)電(dian)時(shi)因(yin)發(fa)生(sheng)陽(yang)極(ji)氧(yang)化(hua)反(fan)應(ying)而(er)造(zao)成(cheng)板(pan)柵(zha)變(bian)細(xi)甚(shen)至(zhi)斷(duan)裂(lie),使(shi)活(huo)性(xing)物(wu)質(zhi)與(yu)板(pan)柵(zha)的(di)電(dian)接(jie)觸(chu)變(bian)差(chai), 進(jin)而(er)影(ying)響(xiang)電(dian)池(chi)的(di)充(chong)放(fang)電(dian)性(xing)能(neng)的(di)現(xian)象(xiang)。
( 1 )正(zheng)極(ji)板(pan)柵(zha)腐(fu)蝕(shi)的(di)現(xian)象(xiang)
正(zheng)極(ji)板(pan)柵(zha)腐(fu)蝕(shi)不(bu)太(tai)嚴(yan)重(chong),還(huan)未(wei)影(ying)響(xiang)到(dao)活(huo)性(xing)物(wu)質(zhi)與(yu)板(pan)柵(zha)之(zhi)間(jian)的(di)電(dian)接(jie)觸(chu)時(shi),電(dian)池(chi)的(di)各(ge)種(zhong)特(te)性(xing)如(ru)電(dian)壓(ya)、容(rong)量(liang)和(hu)內(nei)阻(zu)均(jun)無(wu)明(ming)顯(xian)異(yi)常(chang)。但(dan)當(dang)正(zheng)極(ji)板(pan)柵(zha)腐(fu)蝕(shi)很(hen)嚴(yan)重(chong)使(shi)板(pan)柵(zha)發(fa)生(sheng)部(bu)分(fen)斷(duan)裂(lie)時(shi),電(dian)池(chi)在(zai)放(fang)電(dian)時(shi)會(kuai)出(chu)現(xian)電(dian)壓(ya)下(xia)降(xiang)、容(rong)量(liang)急(ji)劇(ju)降(xiang)低(di)以(yi)及(ji)內(nei)阻(zu)增(zeng)大(dai)等(deng)現(xian)象(xiang)。如(ru)果(guo)腐(fu)蝕(shi)還(huan)發(fa)生(sheng)在(zai)極(ji)柱(zhu)部(bu)位(wei)並(bing)使(shi)之(zhi)斷(duan)裂(lie),則(ze)放(fang)電(dian)時(shi)正(zheng)極(ji)極(ji)柱(zhu)有(you)發(fa)熱(re)現(xian)象(xiang)。
( 2 )正(zheng)極(ji)板(pan)柵(zha)腐(fu)蝕(shi)的(di)預(yu)防(fang) 要(yao)減(jian)緩(huan)正(zheng)極(ji)板(pan)柵(zha)腐(fu)蝕(shi)的(di)速(su)度(duo),在(zai)使(shi)用(yong)時(shi)應(ying)做(zuo)到(dao)以(yi)下(xia)幾(ji)點(dian):
①不(bu)要(yao)經(jing)常(chang)過(guo)量(liang)充(chong)電(dian);
②不(bu)要(yao)在(zai)溫(wen)度(duo)過(guo)高(gao)的(di)環(huan)境(jing)中(zhong)使(shi)用(yong)電(dian)池(chi);
③根(gen)據(ju)環(huan)境(jing)溫(wen)度(duo)調(diao)整(zheng)電(dian)池(chi)的(di)浮(fu)充(chong)電(dian)壓(ya)。值(zhi)得(dei)注(zhu)意(yi)的(di)是(shi),在(zai)溫(wen)度(duo)過(guo)低(di)的(di)情(qing)況(kuang)下(xia),為(wei)了(liao)***電(dian)池(chi)處(chu)於(yu)充(chong)電(dian)狀(zhuang)態(tai),要(yao)提(ti)高(gao)浮(fu)充(chong)電(dian)壓(ya)到(dao)比(bi)較(jiao)高(gao)的(di)值(zhi),這(zhe)同(tong)樣(yang)有(you)弓(gong)|起(qi)板(pan)柵(zha)腐(fu)蝕(shi)的(di)危(wei)險(xian),所(suo)以(yi)電(dian)池(chi)也(ye)不(bu)宜(yi)在(zai)溫(wen)度(duo)過(guo)低(di)的(di)環(huan)境(jing)中(zhong)使(shi)用(yong)。
