本發明屬于燃料電池(chi)技術領(ling)域,具體涉(she)及一種燃料電池(chi)電堆組裝(zhuang)(zhuang)裝(zhuang)(zhuang)置、方法及組裝(zhuang)(zhuang)的(de)電堆。
背景技術:
燃(ran)料電(dian)池是一種通(tong)過電(dian)化(hua)學反應將(jiang)化(hua)學能直接轉化(hua)為(wei)電(dian)能的發電(dian)裝(zhuang)置,具有能量轉化(hua)效率高,環境友好等特點,被認為(wei)是21世(shi)紀首選的潔凈、高效的發電(dian)技術。
電(dian)(dian)堆(dui)是(shi)燃(ran)料電(dian)(dian)池(chi)(chi)的核心部件,此處(chu)發生的電(dian)(dian)化學(xue)反應將化學(xue)能直(zhi)接轉(zhuan)化為電(dian)(dian)能,被稱為燃(ran)料電(dian)(dian)池(chi)(chi)系統(tong)的心臟。電(dian)(dian)堆(dui)一(yi)般由數十節至上百節單(dan)(dan)(dan)電(dian)(dian)池(chi)(chi)組(zu)成(cheng),單(dan)(dan)(dan)電(dian)(dian)池(chi)(chi)則由膜電(dian)(dian)極,極板和(he)密封(feng)組(zu)件構成(cheng)。這些單(dan)(dan)(dan)電(dian)(dian)池(chi)(chi)通(tong)過直(zhi)疊(die)或者(zhe)平鋪的方式(shi)堆(dui)疊(die)在一(yi)起,再(zai)加(jia)上集流板、絕緣板和(he)端板,利用螺桿或卡條緊固(gu),組(zu)成(cheng)燃(ran)料電(dian)(dian)池(chi)(chi)電(dian)(dian)堆(dui)。
燃(ran)料電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)堆(dui)(dui)組裝(zhuang)質量對電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)的(de)(de)性能有著非常重要(yao)影響(xiang)。電(dian)(dian)(dian)(dian)(dian)(dian)堆(dui)(dui)組裝(zhuang)過程(cheng)會(hui)(hui)影響(xiang)電(dian)(dian)(dian)(dian)(dian)(dian)堆(dui)(dui)內(nei)阻以及由于應力(li)(li)作用產生的(de)(de)燃(ran)料分(fen)配不均(jun)(jun)。現(xian)有技術主要(yao)存(cun)在以下不足:1.每個單電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)在組裝(zhuang)時(shi)如果沒有良好的(de)(de)定(ding)位,容(rong)易(yi)發生組裝(zhuang)錯位,這會(hui)(hui)導致燃(ran)料電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)堆(dui)(dui)內(nei)部受力(li)(li)不均(jun)(jun),影響(xiang)密封甚至損(sun)(sun)壞(huai)膜電(dian)(dian)(dian)(dian)(dian)(dian)極組件(jian)以及極板(ban)。2.定(ding)位及加工公(gong)差(cha)累(lei)計會(hui)(hui)造(zao)成(cheng)對電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)組施加的(de)(de)垂(chui)直力(li)(li)產生微小的(de)(de)扭曲,這種扭曲會(hui)(hui)使MEA組件(jian)和雙極板(ban)之間發生相對位移(yi),影響(xiang)公(gong)用管道大小和形狀,造(zao)成(cheng)單池(chi)間流體分(fen)配不均(jun)(jun)。3.封裝(zhuang)過程(cheng)中(zhong)施加壓(ya)(ya)力(li)(li)可控性差(cha),容(rong)易(yi)造(zao)成(cheng)膜電(dian)(dian)(dian)(dian)(dian)(dian)極和極板(ban)的(de)(de)損(sun)(sun)壞(huai)。4.在利(li)用螺桿(gan)緊固過程(cheng)中(zhong),螺桿(gan)會(hui)(hui)提供一(yi)定(ding)的(de)(de)壓(ya)(ya)緊力(li)(li),壓(ya)(ya)力(li)(li)傳(chuan)感器(qi)不能真實反應電(dian)(dian)(dian)(dian)(dian)(dian)堆(dui)(dui)內(nei)部實際壓(ya)(ya)力(li)(li),此時(shi)如果簡(jian)單依靠壓(ya)(ya)力(li)(li)傳(chuan)感器(qi)反饋控制對電(dian)(dian)(dian)(dian)(dian)(dian)堆(dui)(dui)施加恒定(ding)壓(ya)(ya)力(li)(li)方法進行(xing)電(dian)(dian)(dian)(dian)(dian)(dian)堆(dui)(dui)組裝(zhuang),很容(rong)易(yi)造(zao)成(cheng)膜電(dian)(dian)(dian)(dian)(dian)(dian)極和極板(ban)的(de)(de)損(sun)(sun)壞(huai)。
技術實現要素:
本發明針對現有技術存在(zai)的(de)不足,目的(de)在(zai)于提供一種(zhong)燃料電池電堆(dui)組裝裝置(zhi)、方法及(ji)組裝的(de)電堆(dui),以實(shi)現燃料電池電堆(dui)的(de)精確組裝,提高生(sheng)產過程中(zhong)一致性、可靠(kao)性以及(ji)生(sheng)產效(xiao)率。
本(ben)發(fa)明(ming)采用以下技(ji)術方案來實現:
一(yi)(yi)(yi)種燃料電(dian)池電(dian)堆組裝裝置,其特(te)征(zheng)在于(yu)(yu):包括(kuo)伺(si)(si)服(fu)電(dian)機、絲杠、平臺;于(yu)(yu)平臺上(shang)設(she)(she)(she)有(you)二(er)(er)個(ge)(ge)(ge)平行的豎(shu)板(ban)(ban)(ban)(ban),于(yu)(yu)二(er)(er)個(ge)(ge)(ge)豎(shu)板(ban)(ban)(ban)(ban)間(jian)的平臺上(shang)設(she)(she)(she)有(you)帶內螺紋(wen)的通(tong)孔,絲杠穿置于(yu)(yu)通(tong)孔內,于(yu)(yu)二(er)(er)個(ge)(ge)(ge)豎(shu)板(ban)(ban)(ban)(ban)的相對面上(shang)分別設(she)(she)(she)有(you)一(yi)(yi)(yi)豎(shu)向(xiang)的滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)軌(gui)(gui),二(er)(er)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)軌(gui)(gui)相對設(she)(she)(she)置,于(yu)(yu)二(er)(er)個(ge)(ge)(ge)豎(shu)板(ban)(ban)(ban)(ban)間(jian)設(she)(she)(she)有(you)一(yi)(yi)(yi)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)塊,滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)塊的二(er)(er)端(duan)分別設(she)(she)(she)有(you)與(yu)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)軌(gui)(gui)相對應的滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)槽(cao),滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)軌(gui)(gui)置于(yu)(yu)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)槽(cao)內,滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)塊可沿滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)軌(gui)(gui) 上(shang)下滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)動(dong),于(yu)(yu)滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)塊下方(fang)設(she)(she)(she)有(you)一(yi)(yi)(yi)平板(ban)(ban)(ban)(ban),滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)塊與(yu)平板(ban)(ban)(ban)(ban)間(jian)設(she)(she)(she)有(you)壓力傳(chuan)感器,絲杠上(shang)端(duan)與(yu)平板(ban)(ban)(ban)(ban)固(gu)接(jie)、下端(duan)與(yu)伺(si)(si)服(fu)電(dian)機傳(chuan)動(dong)連接(jie),于(yu)(yu)二(er)(er)個(ge)(ge)(ge)豎(shu)板(ban)(ban)(ban)(ban)的上(shang)方(fang)設(she)(she)(she)有(you)一(yi)(yi)(yi)與(yu)二(er)(er)個(ge)(ge)(ge)豎(shu)板(ban)(ban)(ban)(ban)固(gu)接(jie)的壓板(ban)(ban)(ban)(ban),滑(hua)(hua)(hua)(hua)(hua)(hua)(hua)塊位(wei)于(yu)(yu)壓板(ban)(ban)(ban)(ban)下方(fang),伺(si)(si)服(fu)電(dian)機經開(kai)關通(tong)過導線與(yu)電(dian)源相連。
所述(shu)電池電堆(dui)組裝(zhuang)裝(zhuang)置(zhi),還包括有數控器,數控器通過(guo)導線與(yu)壓力傳感(gan)器和開關相連(lian)。
所(suo)述電(dian)池電(dian)堆(dui)(dui)組裝(zhuang)裝(zhuang)置(zhi)的(de)(de)(de)控(kong)制(zhi)方法(fa),其(qi)可(ke)對組裝(zhuang)電(dian)堆(dui)(dui)的(de)(de)(de)壓(ya)力(li)與(yu)長度進(jin)行(xing)監(jian)控(kong),組裝(zhuang)過(guo)程中(zhong)電(dian)堆(dui)(dui)到達設(she)定的(de)(de)(de)壓(ya)力(li)值(zhi)時,進(jin)行(xing)補償(chang)控(kong)制(zhi),維持電(dian)堆(dui)(dui)內部(bu)壓(ya)力(li)的(de)(de)(de)穩定;電(dian)堆(dui)(dui)到達設(she)定的(de)(de)(de)長度值(zhi)時,伺服(fu)(fu)壓(ya)力(li)機構停止動作,保(bao)持電(dian)堆(dui)(dui)的(de)(de)(de)長度;在(zai)不同(tong)的(de)(de)(de)長度區間,電(dian)堆(dui)(dui)固定板的(de)(de)(de)移動速度可(ke)以調節。所(suo)述的(de)(de)(de)補償(chang)控(kong)制(zhi)為利用(yong)壓(ya)力(li)傳感器監(jian)控(kong)電(dian)堆(dui)(dui)內部(bu)壓(ya)力(li),當壓(ya)力(li)減少時,利用(yong)伺服(fu)(fu)壓(ya)力(li)機構對其(qi)進(jin)行(xing)補償(chang)。
具體步驟包括,
1)首先根據(ju)電堆尺(chi)寸調節好滑(hua)塊與(yu)壓(ya)(ya)板的(de)(de)間距,然后將離(li)線層疊好的(de)(de)電堆置(zhi)于(yu)滑(hua)塊上;開(kai)啟伺(si)服電機,電堆到達設定的(de)(de)壓(ya)(ya)力值(zhi)時(shi),停止伺(si)服電機的(de)(de)工(gong)作;
2)靜置時間為10秒(miao)-10分鐘,開(kai)啟伺(si)(si)服電(dian)機進(jin)行補償(chang)壓(ya)力控制,再次(ci)使(shi)電(dian)堆到達設定的(de)壓(ya)力值,停(ting)止伺(si)(si)服電(dian)機的(de)工作;重復(fu)上述靜置和(he)補償(chang)壓(ya)力控制2-50次(ci);
3)保持電(dian)(dian)堆的長度進行電(dian)(dian)堆緊固,緊固后取下電(dian)(dian)堆。
所述電堆壓力值為(wei)膜電極(ji)中擴(kuo)散層與(yu)極(ji)板接觸面積乘以封裝(zhuang)壓強,封裝(zhuang)壓強值的范(fan)圍為(wei)0.1-5MPa。
所述壓強值(zhi)的范圍(wei)優選區間為1.65-1.95Mpa。
本發明具(ju)有如(ru)下優點(dian):
1.伺(si)服電(dian)機對電(dian)堆(dui)施加壓力,可(ke)以精確地控制(zhi)絲杠的(de)(de)(de)轉速(su)(su),進而有效的(de)(de)(de)控制(zhi)電(dian)堆(dui)的(de)(de)(de)壓力,避免膜電(dian)極或極板由于壓力過大而損(sun)壞;在不(bu)同的(de)(de)(de)長度區間設定不(bu)同的(de)(de)(de)絲杠轉速(su)(su),可(ke)以提高(gao)組(zu)裝速(su)(su)率,提高(gao)生產(chan)效率。
2.壓力補償(chang)功能可(ke)以維(wei)持電堆內部封裝壓力恒定,結合靜置的(de)(de)方式可(ke)以有效的(de)(de)改善電堆內部的(de)(de)應力分布不均,提高電堆的(de)(de)放電性能。
3.利用壓(ya)(ya)力(li)和長(chang)度結合的方法(fa)可以(yi)避免螺(luo)釘(ding)緊(jin)固過程(cheng)中螺(luo)釘(ding)分擔電堆封裝(zhuang)壓(ya)(ya)力(li),進而(er)壓(ya)(ya)力(li)增(zeng)大造成的膜電極(ji)和極(ji)板受損;同時(shi)利用螺(luo)釘(ding)緊(jin)固過程(cheng)中的壓(ya)(ya)力(li)變化(hua)控制風批的扭矩與轉(zhuan)速可以(yi)維(wei)持封裝(zhuang)壓(ya)(ya)力(li)的穩定(ding)。
4.本發明(ming)對電堆(dui)封(feng)裝(zhuang)壓(ya)力值和壓(ya)力恒定靜置時間這(zhe)兩(liang)個參數進行了(le)優化,提高了(le)電堆(dui)放電性能。
附圖說明
圖1電(dian)堆組(zu)裝(zhuang)裝(zhuang)置示意圖。
具體實施方式
下面結合附(fu)圖及(ji)實施例進一步說明本發(fa)明的(de)燃料電池(chi)電堆組裝裝置、方(fang)法。
實施例1
燃料電(dian)(dian)池電(dian)(dian)堆(dui)(dui)(dui)組(zu)(zu)(zu)裝裝置由伺服(fu)(fu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)構(gou)(伺服(fu)(fu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)構(gou)由伺服(fu)(fu)電(dian)(dian)機(ji)(ji)1和(he)(he)絲(si)杠2組(zu)(zu)(zu)成(cheng))、滑軌導(dao)向機(ji)(ji)構(gou)3、壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)控(kong)(kong)制機(ji)(ji)構(gou)(壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)控(kong)(kong)制機(ji)(ji)構(gou)包括壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)傳(chuan)感(gan)(gan)器(qi)4和(he)(he)數控(kong)(kong)器(qi)5)、機(ji)(ji)身6和(he)(he)電(dian)(dian)堆(dui)(dui)(dui)固定(ding)板7和(he)(he)螺釘(ding)緊固風批8組(zu)(zu)(zu)成(cheng)。壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)控(kong)(kong)制機(ji)(ji)構(gou)的(de)(de)控(kong)(kong)制方法(fa)(fa)為(wei)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)與長度監控(kong)(kong)相結合(he)方法(fa)(fa),組(zu)(zu)(zu)裝過程中電(dian)(dian)堆(dui)(dui)(dui)到(dao)達設定(ding)的(de)(de)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)值時,進(jin)行補償(chang)控(kong)(kong)制,維持(chi)電(dian)(dian)堆(dui)(dui)(dui)內部(bu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)的(de)(de)穩定(ding);電(dian)(dian)堆(dui)(dui)(dui)到(dao)達設定(ding)的(de)(de)長度值時,伺服(fu)(fu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)構(gou)停止動(dong)(dong)作,保持(chi)電(dian)(dian)堆(dui)(dui)(dui)的(de)(de)長度;在不同的(de)(de)長度區間,電(dian)(dian)堆(dui)(dui)(dui)固定(ding)板的(de)(de)移動(dong)(dong)速度可以調節。補償(chang)控(kong)(kong)制具體為(wei):利用(yong)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)傳(chuan)感(gan)(gan)器(qi)監控(kong)(kong)電(dian)(dian)堆(dui)(dui)(dui)內部(bu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li),當壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)減(jian)少時,利用(yong)伺服(fu)(fu)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)(li)機(ji)(ji)構(gou)對其進(jin)行補償(chang)。
利(li)(li)用上(shang)述裝(zhuang)(zhuang)(zhuang)置組裝(zhuang)(zhuang)(zhuang)直接甲醇燃料(liao)電(dian)(dian)(dian)池電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui),具體過(guo)程為(wei):首先根據(ju)(ju)電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)尺(chi)寸調節好(hao)電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)固(gu)定(ding)擋板,然后(hou)將離線層(ceng)疊好(hao)的(de)(de)電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)置于(yu)電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)固(gu)定(ding)板上(shang);設(she)計(ji)封(feng)(feng)裝(zhuang)(zhuang)(zhuang)壓(ya)強為(wei)1.8MPa,根據(ju)(ju)膜電(dian)(dian)(dian)極的(de)(de)擴散層(ceng)與極板接觸面(mian)積計(ji)算,設(she)定(ding)電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)的(de)(de)封(feng)(feng)裝(zhuang)(zhuang)(zhuang)壓(ya)力(li)(li)值(zhi)為(wei)900kgf,啟動伺(si)服電(dian)(dian)(dian)機,由(you)滑軌導向機構實現上(shang)下移動向電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)施(shi)壓(ya),待壓(ya)力(li)(li)傳感器達到(dao)900kgf時(shi)伺(si)服電(dian)(dian)(dian)機停止運動;靜置15min,與此(ci)(ci)同時(shi)利(li)(li)用補償控制方法維持電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)內部(bu)壓(ya)力(li)(li)恒(heng)定(ding),靜置結束后(hou)將此(ci)(ci)時(shi)電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)實際長(chang)度值(zhi)設(she)定(ding)為(wei)電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)限(xian)制長(chang)度;隨后(hou)人工取出電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)定(ding)位桿(gan),利(li)(li)用風(feng)批鎖(suo)緊電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)緊固(gu)螺(luo)釘;完成電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)鎖(suo)緊后(hou)電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)固(gu)定(ding)板下降(jiang)取出電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui),完成組裝(zhuang)(zhuang)(zhuang)。利(li)(li)用此(ci)(ci)裝(zhuang)(zhuang)(zhuang)置與參數組裝(zhuang)(zhuang)(zhuang)10個燃料(liao)電(dian)(dian)(dian)池電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui),組裝(zhuang)(zhuang)(zhuang)過(guo)程中膜電(dian)(dian)(dian)極和(he)石墨雙極板損壞的(de)(de)發生率(lv)為(wei)0,電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)在5A恒(heng)電(dian)(dian)(dian)流(liu)放電(dian)(dian)(dian)制度下,單(dan)節電(dian)(dian)(dian)堆(dui)(dui)(dui)(dui)(dui)平均(jun)放電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)為(wei)539.4mV,電(dian)(dian)(dian)壓(ya)值(zhi)標準(zhun)偏差為(wei)4.27。
實施例2
本(ben)實(shi)施(shi)例的(de)實(shi)施(shi)方式與實(shi)施(shi)例1基本(ben)相同,只是設計封(feng)裝(zhuang)壓(ya)強改為(wei)1.5MPa,利用此裝(zhuang)置與參(can)數組(zu)裝(zhuang)10個燃料電池電堆,組(zu)裝(zhuang)過程中膜電極和(he)石(shi)墨雙極板(ban)損壞的(de)發生率為(wei)0,電堆在5A恒電流(liu)放電制度(du)下(xia),單節(jie)電堆平均放電電壓(ya)為(wei)535.2mV,標(biao)準偏差為(wei)6.14。
實施例3
本(ben)實(shi)施例(li)的(de)實(shi)施方(fang)式與(yu)實(shi)施例(li)1基本(ben)相同,只是設計封(feng)裝壓(ya)強改為(wei)2.5MPa,利用此裝置與(yu)參數組裝10個燃料電(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)堆,組裝過程中膜電(dian)(dian)(dian)(dian)極和石墨(mo)雙極板(ban)損壞的(de)發生率為(wei)0,電(dian)(dian)(dian)(dian)堆在5A恒電(dian)(dian)(dian)(dian)流(liu)放電(dian)(dian)(dian)(dian)制度(du)下,單節(jie)電(dian)(dian)(dian)(dian)堆平均放電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)為(wei)531.6mV,標(biao)準偏差為(wei)5.67。
實施例4
本實(shi)施例的實(shi)施方式與實(shi)施例1基本相同,只是靜(jing)止(zhi)時間改(gai)為1小時,利(li)用此裝(zhuang)置與參數組裝(zhuang)10個(ge)燃料電(dian)(dian)(dian)池電(dian)(dian)(dian)堆,組裝(zhuang)過程中膜電(dian)(dian)(dian) 極(ji)和石墨雙極(ji)板損壞的發(fa)生率(lv)為0,電(dian)(dian)(dian)堆在5A恒(heng)電(dian)(dian)(dian)流放電(dian)(dian)(dian)制度下(xia),單節(jie)電(dian)(dian)(dian)堆平均放電(dian)(dian)(dian)電(dian)(dian)(dian)壓為536.2mV,標準偏差為4.51。
對比實施例1
本實施例的實施方(fang)式與實施例1基(ji)本相同,只是(shi)壓(ya)力控制機構(gou)的控制方(fang)法只選擇壓(ya)力控制,即壓(ya)力穩定后沒有將電(dian)堆實際長度值設定為電(dian)堆限制長度,利(li)用此參(can)數組(zu)裝(zhuang)(zhuang)10個燃(ran)料電(dian)池電(dian)堆,組(zu)裝(zhuang)(zhuang)過程中石墨(mo)雙(shuang)極板損壞的發生率為2.1%。
對比實施例2
本(ben)實(shi)施(shi)例的實(shi)施(shi)方(fang)式與實(shi)施(shi)例1基本(ben)相同(tong),沒有采用(yong)壓(ya)力補償靜止放置電(dian)(dian)(dian)堆,利用(yong)此參數組裝(zhuang)10個燃料電(dian)(dian)(dian)池電(dian)(dian)(dian)堆,電(dian)(dian)(dian)堆在(zai)5A恒電(dian)(dian)(dian)流(liu)放電(dian)(dian)(dian)制度下,單節電(dian)(dian)(dian)堆平均放電(dian)(dian)(dian)電(dian)(dian)(dian)壓(ya)為(wei)528.9mV,標準偏差(cha)為(wei)10.02。