蓄電池使(shi)用(yong)時(shi)間長了難免(mian)會出現一(yi)(yi)些(xie)問題(ti)，這就(jiu)需要我們自(zi)己去判斷蓄電池到底還能不(bu)能用(yong)，下(xia)面武(wu)高電測的技術人員就(jiu)給大家介紹一(yi)(yi)下(xia)如(ru)何通過(guo)蓄電池內阻測試來判斷蓄電池的容量。

*，鉛酸蓄電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的端電(dian)(dian)(dian)(dian)壓并不能(neng)反映電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的容量(liang)特(te)性，容量(liang)嚴重下(xia)降的電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)，在整組浮充(chong)(chong)電(dian)(dian)(dian)(dian)的電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)中(zhong)，其浮充(chong)(chong)電(dian)(dian)(dian)(dian)壓的區別不足以用(yong)來判斷電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)是否(fou)因容量(liang)降低而失效，一旦電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)組進(jin)行放(fang)電(dian)(dian)(dian)(dian)，這些電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)因為(wei)充(chong)(chong)電(dian)(dian)(dian)(dian)量(liang)少，端電(dian)(dian)(dian)(dian)壓很快就會跌(die)落，并妨礙電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)組的放(fang)電(dian)(dian)(dian)(dian)性能(neng)，這時從電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的端電(dian)(dian)(dian)(dian)壓上(shang)可以很容易的發(fa)現他(ta)們，但是已(yi)經(jing)太晚了，電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)組在需要(yao)備(bei)份電(dian)(dian)(dian)(dian)源的時候已(yi)經(jing)起不到(dao)備(bei)份作用(yong)了。

利用(yong)交流阻(zu)(zu)抗法、電(dian)(dian)(dian)(dian)(dian)導(dao)法或直流法測(ce)量(liang)(liang)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)(de)(de)(de)(de)蓄電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)內(nei)(nei)(nei)阻(zu)(zu)測(ce)試儀已被*為是(shi)(shi)一種迅(xun)速(su)而(er)又方便(bian)的(de)(de)(de)(de)(de)(de)(de)(de)診斷(duan)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)狀況的(de)(de)(de)(de)(de)(de)(de)(de)方法。越(yue)來越(yue)多的(de)(de)(de)(de)(de)(de)(de)(de)研(yan)究認為老(lao)化電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)(de)(de)(de)(de)內(nei)(nei)(nei)阻(zu)(zu)和(he)(he)(he)放(fang)電(dian)(dian)(dian)(dian)(dian)能力(li)之間存在(zai)著(zhu)一定的(de)(de)(de)(de)(de)(de)(de)(de)關(guan)(guan)系。值(zhi)得注意的(de)(de)(de)(de)(de)(de)(de)(de)是(shi)(shi)，由(you)于(yu)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)變(bian)化。電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)內(nei)(nei)(nei)阻(zu)(zu)隨(sui)(sui)溫(wen)度下(xia)降(jiang)而(er)迅(xun)速(su)增大。因此，在(zai)考慮時間對(dui)內(nei)(nei)(nei)阻(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)(de)影響(xiang)時，溫(wen)度是(shi)(shi)一個重要的(de)(de)(de)(de)(de)(de)(de)(de)影響(xiang)因素。閥控鉛(qian)酸電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)在(zai)設(she)計(ji)(ji)上是(shi)(shi)乏酸的(de)(de)(de)(de)(de)(de)(de)(de)，同鉛(qian)活(huo)性(xing)(xing)物(wu)(wu)質(zhi)相比電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液的(de)(de)(de)(de)(de)(de)(de)(de)安時容量(liang)(liang)較(jiao)小，因而(er)放(fang)電(dian)(dian)(dian)(dian)(dian)過(guo)程常(chang)(chang)常(chang)(chang)受電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液制約。對(dui)于(yu)任何新電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)，電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)內(nei)(nei)(nei)阻(zu)(zu)通常(chang)(chang)不與放(fang)電(dian)(dian)(dian)(dian)(dian)能力(li)成線性(xing)(xing)關(guan)(guan)系。電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液濃度、化成的(de)(de)(de)(de)(de)(de)(de)(de)*程度(尤其(qi)(qi)是(shi)(shi)極(ji)(ji)板(ban)(ban)表面(mian))、隔板(ban)(ban)--極(ji)(ji)板(ban)(ban)界面(mian)接解(jie)(jie)(jie)面(mian)積以及(ji)(ji)壓力(li)的(de)(de)(de)(de)(de)(de)(de)(de)細微(wei)變(bian)化都(dou)(dou)(dou)僅對(dui)內(nei)(nei)(nei)阻(zu)(zu)產(chan)生(sheng)微(wei)小的(de)(de)(de)(de)(de)(de)(de)(de)影響(xiang)，但可(ke)(ke)能會對(dui)放(fang)電(dian)(dian)(dian)(dian)(dian)過(guo)程產(chan)生(sheng)很(hen)大的(de)(de)(de)(de)(de)(de)(de)(de)影響(xiang)。所以新電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)(de)(de)(de)(de)內(nei)(nei)(nei)阻(zu)(zu)和(he)(he)(he)容量(liang)(liang)都(dou)(dou)(dou)不是(shi)(shi)一個非常(chang)(chang)穩(wen)定的(de)(de)(de)(de)(de)(de)(de)(de)參量(liang)(liang)。由(you)于(yu)正(zheng)(zheng)(zheng)極(ji)(ji)板(ban)(ban)柵的(de)(de)(de)(de)(de)(de)(de)(de)腐蝕(shi)、電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液水分的(de)(de)(de)(de)(de)(de)(de)(de)喪失，所有(you)鉛(qian)酸電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)都(dou)(dou)(dou)有(you)一定的(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)壽命。在(zai)浮充放(fang)電(dian)(dian)(dian)(dian)(dian)使用(yong)過(guo)程中更為明顯。增加(jia)正(zheng)(zheng)(zheng)極(ji)(ji)板(ban)(ban)柵的(de)(de)(de)(de)(de)(de)(de)(de)質(zhi)量(liang)(liang)或減少(shao)其(qi)(qi)腐蝕(shi)率都(dou)(dou)(dou)可(ke)(ke)延長電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)(de)(de)(de)(de)(de)(de)(de)使用(yong)壽命。正(zheng)(zheng)(zheng)極(ji)(ji)板(ban)(ban)柵是(shi)(shi)帶正(zheng)(zheng)(zheng)極(ji)(ji)鉛(qian)活(huo)性(xing)(xing)物(wu)(wu)質(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)導(dao)電(dian)(dian)(dian)(dian)(dian)和(he)(he)(he)支(zhi)撐骨架，腐蝕(shi)加(jia)大了正(zheng)(zheng)(zheng)極(ji)(ji)板(ban)(ban)柵的(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)。其(qi)(qi)他設(she)計(ji)(ji)參數(shu)，如電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液體積，隔板(ban)(ban)壓縮程度及(ji)(ji)成分組成、電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)殼的(de)(de)(de)(de)(de)(de)(de)(de)透氣率、通氣孔設(she)計(ji)(ji)、涂膏的(de)(de)(de)(de)(de)(de)(de)(de)物(wu)(wu)理化學參數(shu)和(he)(he)(he)制造參數(shu)都(dou)(dou)(dou)可(ke)(ke)影響(xiang)壽命。隨(sui)(sui)著(zhu)正(zheng)(zheng)(zheng)極(ji)(ji)板(ban)(ban)柵的(de)(de)(de)(de)(de)(de)(de)(de)腐蝕(shi)和(he)(he)(he)隔板(ban)(ban)中電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)質(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)耗盡，電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)增大而(er)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)容量(liang)(liang)減少(shao)。周(zhou)期(qi)內(nei)(nei)(nei)阻(zu)(zu)測(ce)量(liang)(liang)可(ke)(ke)跟蹤監(jian)測(ce)這些(xie)變(bian)化，并(bing)且發現失效電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)。在(zai)不間斷(duan)電(dian)(dian)(dian)(dian)(dian)源中，由(you)于(yu)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)檢查(cha)及(ji)(ji)放(fang)電(dian)(dian)(dian)(dian)(dian)次數(shu)較(jiao)少(shao)，電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)容量(liang)(liang)很(hen)可(ke)(ke)能在(zai)兩次測(ce)試期(qi)間就(jiu)已降(jiang)到80%額定容量(liang)(liang)以下(xia)。如果采(cai)用(yong)內(nei)(nei)(nei)阻(zu)(zu)測(ce)試法，可(ke)(ke)以很(hen)容易地發現這些(xie)問題并(bing)改善系統可(ke)(ke)靠性(xing)(xing)。

電池內阻(zu)的(de)(de)劇升(sheng)同電池容量的(de)(de)減少有關，尤其是在(zai)電池壽(shou)(shou)命(ming)未到(dao)80%的(de)(de)時(shi)(shi)候更為明顯。高放(fang)電速(su)率(lv)下(xia)的(de)(de)使用時(shi)(shi)間(jian)似乎對這些(xie)因素更為敏感，一(yi)般(ban)電池內阻(zu)增(zeng)加20~25%時(shi)(shi)就(jiu)到(dao)了壽(shou)(shou)命(ming)期限。在(zai)低放(fang)電速(su)率(lv)下(xia)，電池內阻(zu)一(yi)般(ban)增(zeng)加20%-35%后壽(shou)(shou)命(ming)才(cai)結束。直流(liu)電阻(zu)測試儀(yi)

有(you)(you)一些文章(zhang)認(ren)(ren)為電池(chi)(chi)剩余容(rong)(rong)量(liang)(liang)并(bing)不(bu)能由電池(chi)(chi)內阻(zu)(zu)反映出來(lai)，他們認(ren)(ren)為電池(chi)(chi)容(rong)(rong)量(liang)(liang)下降(jiang)(jiang)20%對應(ying)的(de)(de)(de)(de)(de)(de)電池(chi)(chi)內阻(zu)(zu)下降(jiang)(jiang)并(bing)不(bu)明(ming)顯(xian)，當電池(chi)(chi)的(de)(de)(de)(de)(de)(de)保(bao)有(you)(you)容(rong)(rong)量(liang)(liang)降(jiang)(jiang)到(dao)標稱容(rong)(rong)量(liang)(liang)的(de)(de)(de)(de)(de)(de)60%時電池(chi)(chi)內阻(zu)(zu)的(de)(de)(de)(de)(de)(de)變(bian)(bian)化(hua)才可以明(ming)確(que)確(que)定(ding)。但(dan)有(you)(you)一點是得到(dao)普遍承認(ren)(ren)的(de)(de)(de)(de)(de)(de)，那就(jiu)是電池(chi)(chi)內阻(zu)(zu)的(de)(de)(de)(de)(de)(de)增高對應(ying)于電池(chi)(chi)容(rong)(rong)量(liang)(liang)的(de)(de)(de)(de)(de)(de)下降(jiang)(jiang)，當電池(chi)(chi)內阻(zu)(zu)變(bian)(bian)化(hua)可以明(ming)確(que)確(que)認(ren)(ren)的(de)(de)(de)(de)(de)(de)時候，電池(chi)(chi)應(ying)保(bao)有(you)(you)60%以上(shang)的(de)(de)(de)(de)(de)(de)容(rong)(rong)量(liang)(liang)，這樣(yang)的(de)(de)(de)(de)(de)(de)電池(chi)(chi)是不(bu)能通過電池(chi)(chi)浮(fu)充端電壓(ya)測(ce)量(liang)(liang)而發(fa)現的(de)(de)(de)(de)(de)(de)。所(suo)以電池(chi)(chi)內阻(zu)(zu)的(de)(de)(de)(de)(de)(de)實時監測(ce)比起端電壓(ya)監測(ce)來(lai)說所(suo)起的(de)(de)(de)(de)(de)(de)作用重要得多(duo)的(de)(de)(de)(de)(de)(de)。

通過對蓄(xu)(xu)電(dian)池組中的(de)單體(ti)蓄(xu)(xu)電(dian)池進行內阻測試，能(neng)夠準確(que)地(di)掌握(wo)蓄(xu)(xu)電(dian)池組中的(de)每個(ge)單體(ti)蓄(xu)(xu)電(dian)池的(de)性(xing)能(neng)狀態(tai)。同時對于(yu)保證蓄(xu)(xu)電(dian)池供電(dian)穩(wen)定和延長(chang)蓄(xu)(xu)電(dian)池組的(de)使(shi)用(yong)壽命具有重要(yao)意(yi)義。所以，蓄(xu)(xu)電(dian)池的(de)內阻與其容(rong)量有著密切的(de)關系：蓄(xu)(xu)電(dian)池內阻升高是蓄(xu)(xu)電(dian)池性(xing)能(neng)劣化的(de)重要(yao)標志。

*，鉛酸蓄電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)端電(dian)(dian)(dian)(dian)壓(ya)并不(bu)能反映電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)容量(liang)特性(xing)，容量(liang)嚴重下(xia)降(jiang)(jiang)的(de)(de)電(dian)(dian)(dian)(dian)池(chi)(chi)，在(zai)(zai)整組浮充(chong)電(dian)(dian)(dian)(dian)的(de)(de)電(dian)(dian)(dian)(dian)池(chi)(chi)中，其浮充(chong)電(dian)(dian)(dian)(dian)壓(ya)的(de)(de)區別不(bu)足以(yi)(yi)用(yong)來判斷電(dian)(dian)(dian)(dian)池(chi)(chi)是否因容量(liang)降(jiang)(jiang)低而失(shi)效，一旦(dan)電(dian)(dian)(dian)(dian)池(chi)(chi)組進行放(fang)(fang)電(dian)(dian)(dian)(dian)，這些電(dian)(dian)(dian)(dian)池(chi)(chi)因為充(chong)電(dian)(dian)(dian)(dian)量(liang)少，端電(dian)(dian)(dian)(dian)壓(ya)很(hen)快就(jiu)會跌落，并妨礙電(dian)(dian)(dian)(dian)池(chi)(chi)組的(de)(de)放(fang)(fang)電(dian)(dian)(dian)(dian)性(xing)能，這時從電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)端電(dian)(dian)(dian)(dian)壓(ya)上可(ke)以(yi)(yi)很(hen)容易(yi)的(de)(de)發現他(ta)們(men)，但是已經太晚了(le)，電(dian)(dian)(dian)(dian)池(chi)(chi)組在(zai)(zai)需要備(bei)份電(dian)(dian)(dian)(dian)源的(de)(de)時候已經起不(bu)到備(bei)份作用(yong)了(le)。

利用交流阻(zu)抗法(fa)(fa)、電(dian)(dian)(dian)(dian)(dian)(dian)導法(fa)(fa)或直流法(fa)(fa)測(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)內(nei)阻(zu)已(yi)被*為是(shi)(shi)(shi)一(yi)(yi)(yi)種迅速而(er)又(you)方便的(de)(de)(de)診(zhen)斷電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)狀況的(de)(de)(de)方法(fa)(fa)。越來(lai)越多的(de)(de)(de)研究(jiu)認為老(lao)化電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)內(nei)阻(zu)和(he)(he)(he)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)能力之間存在著(zhu)一(yi)(yi)(yi)定(ding)的(de)(de)(de)關系(xi)。值得注意(yi)的(de)(de)(de)是(shi)(shi)(shi)，由于(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)的(de)(de)(de)變化。電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)內(nei)阻(zu)隨(sui)溫(wen)度(du)(du)下降(jiang)而(er)迅速增大(da)。因(yin)此，在考慮時間對(dui)內(nei)阻(zu)的(de)(de)(de)影(ying)響(xiang)時，溫(wen)度(du)(du)是(shi)(shi)(shi)一(yi)(yi)(yi)個重要的(de)(de)(de)影(ying)響(xiang)因(yin)素(su)。閥控鉛(qian)(qian)酸(suan)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)在設(she)計(ji)上是(shi)(shi)(shi)乏(fa)酸(suan)的(de)(de)(de)，同鉛(qian)(qian)活性(xing)物質(zhi)相比電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液的(de)(de)(de)安時容(rong)量(liang)較(jiao)小，因(yin)而(er)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程(cheng)常(chang)常(chang)受電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液制(zhi)約。對(dui)于(yu)(yu)任何新電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)，電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)內(nei)阻(zu)通常(chang)不(bu)(bu)與放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)能力成線性(xing)關系(xi)。電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液濃度(du)(du)、化成的(de)(de)(de)*程(cheng)度(du)(du)(尤(you)其(qi)(qi)是(shi)(shi)(shi)極(ji)(ji)板(ban)(ban)(ban)表面)、隔板(ban)(ban)(ban)--極(ji)(ji)板(ban)(ban)(ban)界面接解(jie)(jie)(jie)面積以及(ji)(ji)壓力的(de)(de)(de)細微(wei)變化都(dou)僅對(dui)內(nei)阻(zu)產生微(wei)小的(de)(de)(de)影(ying)響(xiang)，但可(ke)(ke)能會(hui)對(dui)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)過(guo)程(cheng)產生很大(da)的(de)(de)(de)影(ying)響(xiang)。所(suo)以新電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)內(nei)阻(zu)和(he)(he)(he)容(rong)量(liang)都(dou)不(bu)(bu)是(shi)(shi)(shi)一(yi)(yi)(yi)個非(fei)常(chang)穩(wen)定(ding)的(de)(de)(de)參(can)量(liang)。由于(yu)(yu)正極(ji)(ji)板(ban)(ban)(ban)柵(zha)的(de)(de)(de)腐蝕(shi)、電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液水分(fen)的(de)(de)(de)喪失，所(suo)有(you)(you)鉛(qian)(qian)酸(suan)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)都(dou)有(you)(you)一(yi)(yi)(yi)定(ding)的(de)(de)(de)使(shi)用壽(shou)命(ming)(ming)。在浮充放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)使(shi)用過(guo)程(cheng)中更為明顯(xian)。增加(jia)正極(ji)(ji)板(ban)(ban)(ban)柵(zha)的(de)(de)(de)質(zhi)量(liang)或減少其(qi)(qi)腐蝕(shi)率(lv)都(dou)可(ke)(ke)延長電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)使(shi)用壽(shou)命(ming)(ming)。正極(ji)(ji)板(ban)(ban)(ban)柵(zha)是(shi)(shi)(shi)帶正極(ji)(ji)鉛(qian)(qian)活性(xing)物質(zhi)的(de)(de)(de)導電(dian)(dian)(dian)(dian)(dian)(dian)和(he)(he)(he)支撐(cheng)骨架，腐蝕(shi)加(jia)大(da)了正極(ji)(ji)板(ban)(ban)(ban)柵(zha)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)。其(qi)(qi)他設(she)計(ji)參(can)數，如電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)液體積，隔板(ban)(ban)(ban)壓縮程(cheng)度(du)(du)及(ji)(ji)成分(fen)組成、電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)殼的(de)(de)(de)透氣(qi)(qi)率(lv)、通氣(qi)(qi)孔設(she)計(ji)、涂(tu)膏的(de)(de)(de)物理化學參(can)數和(he)(he)(he)制(zhi)造參(can)數都(dou)可(ke)(ke)影(ying)響(xiang)壽(shou)命(ming)(ming)。隨(sui)著(zhu)正極(ji)(ji)板(ban)(ban)(ban)柵(zha)的(de)(de)(de)腐蝕(shi)和(he)(he)(he)隔板(ban)(ban)(ban)中電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)(jie)質(zhi)的(de)(de)(de)耗盡，電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)增大(da)而(er)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)容(rong)量(liang)減少。周期內(nei)阻(zu)測(ce)(ce)(ce)量(liang)可(ke)(ke)跟蹤(zong)監測(ce)(ce)(ce)這些變化，并且發現失效電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)。在不(bu)(bu)間斷電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)中，由于(yu)(yu)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)檢查(cha)及(ji)(ji)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)次(ci)數較(jiao)少，電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)容(rong)量(liang)很可(ke)(ke)能在兩次(ci)測(ce)(ce)(ce)試期間就已(yi)降(jiang)到(dao)80%額定(ding)容(rong)量(liang)以下。如果采用內(nei)阻(zu)測(ce)(ce)(ce)試法(fa)(fa)，可(ke)(ke)以很容(rong)易地發現這些問題(ti)并改(gai)善系(xi)統可(ke)(ke)靠性(xing)。