電動自行車鉛酸蓄電池小知識
1.充電器要匹配:如果更換充電器或者電(dian)(dian)池(chi)(chi)的(de)時(shi)候(hou),最好請專業維修(xiu)人員推薦。不(bu)要過多關心那些數據,因為一般充電(dian)(dian)器(qi)都是(shi)設(she)定(ding)好的(de),但是(shi)電(dian)(dian)池(chi)(chi)是(shi)一個動態(tai)的(de)壽命(ming)過程,嚴格講(jiang)目(mu)前市場上沒有(you)足夠(gou)保證充電(dian)(dian)質量的(de)充電(dian)(dian)器(qi)。但是(shi)一分價(jia)錢一分貨,好的(de)充電(dian)(dian)器(qi)絕對對電(dian)(dian)池(chi)(chi)有(you)好的(de)充電(dian)(dian)效果,估計南京市場的(de)市場價(jia)格要在75元以上才能算好一點的(de)充電(dian)(dian)器(qi)(有(you)待核實,呵呵)
2.“勤充(chong)(chong)(chong)淺放”,就是(shi)每(mei)次(ci)(ci)用過(guo)后有(you)條件就充(chong)(chong)(chong)電,同時盡(jin)量(liang)不要一次(ci)(ci)用到欠壓再充(chong)(chong)(chong)電(這應該(gai)屬于使用方法(fa)),每(mei)次(ci)(ci)都充(chong)(chong)(chong)滿(man)(man),實在來不及充(chong)(chong)(chong)不滿(man)(man)那也沒有(you)辦法(fa),以實用為標準嗎,不能為物所累!
3.一般情況下,充滿的參考是:按照充電器轉燈以后1個小時左右,不超過2小時為最好。這個要根據電池的新舊程度,充電器一般是(shi)按照8~10小(xiao)時(shi)(shi)充(chong)滿(指的是(shi)騎(qi)行了較(jiao)遠,電池(chi)放電接(jie)近欠壓的情(qing)況(kuang))設計的,目前市場(chang)上(shang)(shang)也有8小(xiao)時(shi)(shi)后自動停充(chong)的(這有欠充(chong)的危險,呵(he)呵(he)),注意有點維(wei)修人員(yuan)所說(shuo)(shuo)新電池(chi)要充(chong)足12小(xiao)時(shi)(shi)以上(shang)(shang)的說(shuo)(shuo)法(fa)是(shi)不(bu)恰當(dang)的。要根據使用情(qing)況(kuang)和自己的情(qing)況(kuang),比如白(bai)天(tian)騎(qi)行里程長,就多充(chong)一會兒,騎(qi)行的里程短(duan),就少(shao)充(chong)一會兒,或者(zhe)說(shuo)(shuo)睡覺前掌握充(chong)電時(shi)(shi)間早晚有個(ge)參考,不(bu)至(zhi)于為了十分(fen)精(jing)確的時(shi)(shi)間半(ban)夜起床吧,呵(he)呵(he)。
4.按(an)照國際電(dian)(dian)(dian)(dian)(dian)池屆的(de)(de)(de)(de)新理論,最好(hao)(hao)是(shi)(shi)每7~15次充(chong)電(dian)(dian)(dian)(dian)(dian),進行(xing)一次盡(jin)(jin)充(chong)盡(jin)(jin)放(fang),這樣,有(you)利于提高電(dian)(dian)(dian)(dian)(dian)池的(de)(de)(de)(de)容量(liang),延長電(dian)(dian)(dian)(dian)(dian)池的(de)(de)(de)(de)壽(shou)命。這個方(fang)法建議大家了解就行(xing),因為搞不好(hao)(hao)就會(hui)(hui)出現不良后果,呵(he)呵(he)。如(ru)是(shi)(shi)專業人(ren)員或者特別愛好(hao)(hao)才(cai)可以(yi)(yi)一試:盡(jin)(jin)放(fang)的(de)(de)(de)(de)方(fang)法比(bi)較簡單,就是(shi)(shi)騎行(xing)車(che)到第(di)一次指示斷電(dian)(dian)(dian)(dian)(dian)。一般的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)動(dong)自行(xing)車(che)均有(you)欠壓(ya)保護,對于標稱36V的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)動(dong)自行(xing)車(che)來(lai)說,多數控制器的(de)(de)(de)(de)欠壓(ya)保護電(dian)(dian)(dian)(dian)(dian)壓(ya)在33V左右(you)。如(ru)果第(di)一次斷電(dian)(dian)(dian)(dian)(dian)以(yi)(yi)后,電(dian)(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)(dian)壓(ya)還會(hui)(hui)慢慢回復(fu)到可以(yi)(yi)供電(dian)(dian)(dian)(dian)(dian),此時,千萬(wan)不要再用電(dian)(dian)(dian)(dian)(dian)池里的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)量(liang),否(fou)則會(hui)(hui)使(shi)電(dian)(dian)(dian)(dian)(dian)池過放(fang)電(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de),將比(bi)較嚴重點影響電(dian)(dian)(dian)(dian)(dian)池的(de)(de)(de)(de)壽(shou)命。盡(jin)(jin)充(chong)就是(shi)(shi)充(chong)滿電(dian)(dian)(dian)(dian)(dian),更簡單了。
5.影響電(dian)池充(chong)電(dian)效果(guo)和壽命的(de)(de)因(yin)素太(tai)多(duo)(duo)了(le),比(bi)較(jiao)明(ming)顯的(de)(de)如(ru)溫度等,關鍵還(huan)有電(dian)動(dong)車(che)使(shi)用(yong)(yong)方(fang)法。好多(duo)(duo)電(dian)動(dong)車(che)的(de)(de)說明(ming)書好像全部是笑話,比(bi)如(ru)“逆風、上坡(po)條件要(yao)(yao)(yao)助(zhu)力(li),最(zui)好不(bu)要(yao)(yao)(yao)用(yong)(yong)電(dian)”“不(bu)要(yao)(yao)(yao)帶人”……,其實大家也(ye)要(yao)(yao)(yao)注意,目(mu)前的(de)(de)電(dian)動(dong)車(che)技術上,電(dian)池提供的(de)(de)最(zui)后效果(guo),應(ying)該是助(zhu)力(li)為主,如(ru)果(guo)強行啟動(dong)使(shi)用(yong)(yong)以及帶人,恐怕耗(hao)電(dian)情(qing)況或者(zhe)說對(dui)電(dian)池的(de)(de)損傷情(qing)況,不(bu)僅是1倍(bei)數的(de)(de)關系。方(fang)便的(de)(de)話,建議大家多(duo)(duo)助(zhu)助(zhu)力(li)。
6.不同(tong)蓄電池廠(chang)家關于(yu)充電方法(fa)的說明略有不同(tong),本(ben)辦法(fa)僅供參考。
7 、第一次使用電動車前必須充滿12個小時以上外,平時一般電量較為充裕時充2-3個小時就可以了,如果電量較少也就6-7個小時。
8、電(dian)動(dong)車的(de)主要部件(jian)是(shi)(shi)電(dian)池(chi)(chi)(chi)(chi),成(cheng)本最高的(de)也是(shi)(shi)電(dian)池(chi)(chi)(chi)(chi),而目前(qian)損耗最快的(de)還是(shi)(shi)電(dian)池(chi)(chi)(chi)(chi)。目前(qian),電(dian)動(dong)車的(de)電(dian)池(chi)(chi)(chi)(chi)都(dou)是(shi)(shi)鉛酸電(dian)池(chi)(chi)(chi)(chi)。過(guo)充會加(jia)大電(dian)池(chi)(chi)(chi)(chi)的(de)水損失(shi),加(jia)速板柵腐(fu)蝕(shi),活(huo)性(xing)物(wu)質軟化,增加(jia)電(dian)池(chi)(chi)(chi)(chi)變形的(de)幾率,最終造成(cheng)對(dui)電(dian)池(chi)(chi)(chi)(chi)的(de)致命(ming)傷害。
9、如(ru)果使(shi)(shi)用(yong)(yong)得當(dang),普(pu)通電池使(shi)(shi)用(yong)(yong)2年(nian)(nian)左右問題不(bu)(bu)大(da),反之,使(shi)(shi)用(yong)(yong)壽命大(da)大(da)減短,使(shi)(shi)用(yong)(yong)半年(nian)(nian)時間(jian)就不(bu)(bu)得不(bu)(bu)調換新電池的情況(kuang)。而現(xian)在電動車電池價(jia)格(ge)高達(da)500元左右,少(shao)的也要300元左右。
正確使用延(yan)長電池壽(shou)命
1.在(zai)電(dian)動車上橋、爬坡或在(zai)頂(ding)風行駛(shi)時,應該輔以人力驅(qu)動,防止電(dian)池供(gong)電(dian)電(dian)流陡然(ran)增大(da)。
2.在(zai)剛(gang)上車(che)騎(qi)(qi)行(xing)(xing)或行(xing)(xing)駛途中(zhong)緊急(ji)剎(cha)車(che)止(zhi)速后(hou)又(you)要(yao)(yao)騎(qi)(qi)行(xing)(xing)時,最好用腳蹬幾(ji)下(xia)(xia),等電動車(che)有(you)一定的車(che)速后(hou)再加以電動騎(qi)(qi)行(xing)(xing)。盡量不要(yao)(yao)使(shi)電動車(che)在(zai)靜止(zhi)狀(zhuang)態下(xia)(xia)直接使(shi)用電力(li)啟動。
3.在騎行中,若需加速時,應緩慢旋轉調速把,避免直接(jie)加速至最(zui)快(kuai)檔(dang)。因(yin)為這樣不僅不會立即提高車(che)速,而且還會產生沖(chong)擊電流造成對(dui)電池(chi)的傷(shang)害(hai)。在路況允許(xu)的條件下,盡可能使電動(dong)車(che)以(yi)最(zui)高時速行駛。
4.在騎(qi)行中(zhong),盡(jin)量避(bi)免頻繁剎車(che)、啟動,在道路(lu)擁擠時(shi)多用(yong)腳蹬驅動。這樣(yang)不僅增加了(le)“續行里程”,提高了(le)電(dian)池使(shi)用(yong)效率,同樣(yang)也(ye)延長了(le)電(dian)池的使(shi)用(yong)壽命。
5.經常(chang)充(chong)(chong)(chong)電,使(shi)電池經常(chang)處(chu)于充(chong)(chong)(chong)滿狀態,有(you)條件的要(yao)做到隨用隨充(chong)(chong)(chong),但要(yao)把握好(hao)充(chong)(chong)(chong)電時間總量(liang)。
6.準備長期(qi)不用(yong)的,應將電(dian)池充滿后(hou)存放,并定期(qi)補(bu)電(dian)(1個月)。
7.電(dian)量顯(xian)示電(dian)池(chi)已(yi)沒(mei)電(dian)了,一(yi)段時間后發現電(dian)池(chi)又有小量電(dian)壓,稱為“回升電(dian)壓”。不要使用(yong)這“回升電(dian)壓”來行(xing)駛。
、電池為(wei)什么在初次使用(yong)前要進(jin)行(xing)補充(chong)充(chong)電?
答:電池(chi)(chi)從出(chu)廠到使用,一般要(yao)經過(guo) 1-2 個月,甚(shen)至(zhi)更長的時間,電池(chi)(chi)在存放期間由于電池(chi)(chi)內部(bu)的自(zi)放電等自(zi)發(fa)反應,消耗了一部(bu)分(fen)電量,達不(bu)到額(e)定容量值,所以初次使用前,最(zui)好進行補充(chong)充(chong)電,以免(mian)顧客誤認為是容量不(bu)足。
2、電動(dong)車如果要存放較長時間應該怎樣對電池進行處(chu)理?
答(da):首先(xian)應將電(dian)池充足電(dian)存放,并且應該一(yi)個(ge)月(yue)內(nei)至少(shao)充一(yi)次電(dian),防止(zhi)虧電(dian),能有(you)效防止(zhi)晶技生(sheng)成(cheng)造成(cheng)不可逆鹽化和晶枝短路等。
3、電池(chi)充電前要不要先放完(wan)電?
答:鉛酸蓄(xu)電(dian)池不(bu)同于其(qi)它(ta)二次電(dian)池,它(ta)無記憶效應,所以,無論電(dian)池處于何種荷電(dian)狀態,都(dou)可(ke)直接進(jin)行充電(dian),無須放(fang)電(dian)。
4、電池是勤(qin)充電好還(huan)是放完電再充電好?
答:由于放電越淺,其循環次數將大幅度增加。因此,按這一理論,勤充電對循環壽命是有益的,但就目前市場上大量流通使用的充電器來講,由于受價格因素及技術水平等影響,充電器存在故障率高,可靠性差,精度低等缺陷。因此,有時勤充電反而影響電池的使用壽命。將電池放空再充電,充電次數雖然減少,但放電時由于單體電池之間總會存在差異可能造成某些單格過放電,過放電池充電接受能力會大大降低,引起充電不足的故障,另外由于放完電再充電,充電器重負荷時間長,易損壞充電器。因(yin)此,綜合上述,我們認為蓄電池(chi)放出電量的(de) 50-70% 時(shi)進(jin)行一(yi)次充電是較合理的(de),對電池(chi)的(de)使用有好處。
5、過充電和(he)欠充電有什么(me)害處?
答:過充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)即(ji)(ji)蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流大于(yu)蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)可接受電(dian)(dian)(dian)(dian)(dian)(dian)流,多出部(bu)分即(ji)(ji)是過充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)量(liang),過充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)主要是產(chan)生(sheng)(sheng)電(dian)(dian)(dian)(dian)(dian)(dian)解水的(de)副反(fan)應,由于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)正(zheng)極(ji)產(chan)生(sheng)(sheng)氧氣轉(zhuan)(zhuan)移(yi)到(dao)負(fu)極(ji)發生(sheng)(sheng)氧復(fu)合(he)反(fan)應,會(hui)發生(sheng)(sheng)熱(re)(re)量(liang),因此過充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)實際轉(zhuan)(zhuan)換(huan)成熱(re)(re)量(liang)使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)溫度升高,若(ruo)不(bu)(bu)加以控制,會(hui)造成大量(liang)失水,嚴重者造成 “ 熱(re)(re)失控 ” 容量(liang)劇減,甚(shen)至變形等故障。欠充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)通俗講就是未充(chong)(chong)飽電(dian)(dian)(dian)(dian)(dian)(dian)經常處(chu)于(yu)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)不(bu)(bu)足的(de)情況下,極(ji)極(ji)就會(hui)逐漸形成一種粗大堅(jian)硬的(de)硫(liu)酸鉛,它幾乎不(bu)(bu)溶解,即(ji)(ji)產(chan)生(sheng)(sheng)所(suo)謂的(de) “ 不(bu)(bu)可逆硫(liu)酸鹽化 ” ,使(shi)用普通的(de)方法無法充(chong)(chong)進(jin)電(dian)(dian)(dian)(dian)(dian)(dian),因此容量(liang)會(hui)一次一次地快(kuai)速衰減。
6、過放電(dian)對電(dian)池有什么害處?
電(dian)(dian)池(chi)在放電(dian)(dian)過(guo)程中正極活(huo)性(xing)物(wu)質(zhi),負(fu)極活(huo)性(xing)物(wu)質(zhi)均逐(zhu)(zhu)漸轉化(hua)成電(dian)(dian)阻(zu)很大(da)(da) PBSO4 ,并消耗電(dian)(dian)解液中的硫(liu)酸,內阻(zu)逐(zhu)(zhu)漸增大(da)(da),因此(ci)過(guo)放電(dian)(dian)時,特別是以(yi)較大(da)(da)電(dian)(dian)流過(guo)放電(dian)(dian)會發出大(da)(da)量(liang)熱量(liang),并且電(dian)(dian)池(chi)的硫(liu)酸量(liang)很少(shao),過(guo)放電(dian)(dian)時硫(liu)酸濃度減得很低, PBSO4 溶解度大(da)(da)幅度增加,因此(ci)容易在極板上(shang)形成一(yi)種粗大(da)(da)堅硬(ying)的 PBSO4 晶體,即 “ 不(bu)可(ke)逆(ni)硫(liu)酸鹽化(hua) ” 大(da)(da)大(da)(da)地減弱電(dian)(dian)池(chi)的充電(dian)(dian)接受能力,危害特別大(da)(da)。
7、電(dian)動(dong)車電(dian)池什(shen)么情(qing)況下需(xu)進行維護充電(dian),其充電(dian)參數怎(zen)樣(yang),怎(zen)樣(yang)進行維護充電(dian)?
答:電(dian)(dian)(dian)(dian)(dian)(dian)動車電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)遇下列(lie)情況之(zhi)一(yi)時(shi)(shi)需(xu)要(yao)進行(xing)維(wei)護充(chong)電(dian)(dian)(dian)(dian)(dian)(dian): 1 、電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)容(rong)量衰(shuai)減(jian)減(jian)速(su)太快; 2 、出現(xian)落(luo)后(hou)(hou)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi); 3 、電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)失液后(hou)(hou),重新補液; 4 、電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)長(chang)時(shi)(shi)間放置(zhi)后(hou)(hou); 5 、電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)出現(xian)嚴重過放電(dian)(dian)(dian)(dian)(dian)(dian)后(hou)(hou); 6 、電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)長(chang)時(shi)(shi)間處于低溫環境(jing)工作等; 7 、充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)參數不合(he)理長(chang)期(qi)欠充(chong)電(dian)(dian)(dian)(dian)(dian)(dian);維(wei)護充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)參數怎樣定;一(yi)般采(cai)用(yong)(yong)恒(heng)壓(ya)限流充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)或多階段恒(heng)流充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)。充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)前中期(qi)與車配充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)參數基本(ben)一(yi)致,只是充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)后(hou)(hou)期(qi)將充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)最高(gao)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)提高(gao)到更高(gao)。即采(cai)用(yong)(yong)WD充(chong)電(dian)(dian)(dian)(dian)(dian)(dian),進行(xing)深度充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)修復(fu)已落(luo)后(hou)(hou)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)。維(wei)護充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)也(ye)叫均衡充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)。
8、電池初(chu)始(shi)容量大小(xiao)與壽(shou)命有(you)什么關系?
答:電(dian)(dian)池(chi)容(rong)(rong)量(liang)受活性物(wu)(wu)質(zhi)和利(li)用(yong)(yong)率影響。電(dian)(dian)動助力車蓄電(dian)(dian)池(chi)外形尺寸一(yi)定,極板(ban)(ban)的(de)(de)質(zhi)量(liang)已被限制到(dao)一(yi)定的(de)(de)程(cheng)度(du),只有提(ti)(ti)高(gao)活性物(wu)(wu)質(zhi)的(de)(de)利(li)用(yong)(yong)率,才能提(ti)(ti)高(gao)容(rong)(rong)量(liang)。要(yao)(yao)提(ti)(ti)高(gao)電(dian)(dian)池(chi)容(rong)(rong)量(liang),必然增加孔率,提(ti)(ti)高(gao) PbO2 含量(liang)、硫酸比重,但是(shi)這些措施(shi)都會加速正(zheng)極板(ban)(ban)的(de)(de)軟化,造成電(dian)(dian)池(chi)壽(shou)命加速衰(shuai)減,充(chong)放電(dian)(dian)過(guo)程(cheng)中活性物(wu)(wu)質(zhi)會產生(sheng)膨脹(zhang)、收縮(suo) ( 特(te)別是(shi)正(zheng)極板(ban)(ban) ) ,放電(dian)(dian)深(shen)度(du)越深(shen),活性物(wu)(wu)質(zhi)膨脹(zhang)收縮(suo)量(liang)越大,更(geng)加速活性物(wu)(wu)質(zhi)軟化。因此,初始(shi)容(rong)(rong)量(liang)偏大時(shi)直接影響蓄電(dian)(dian)池(chi)充(chong)放電(dian)(dian)次數。當然要(yao)(yao)滿(man)足使(shi)用(yong)(yong),要(yao)(yao)求初始(shi)容(rong)(rong)量(liang)不能太小,需要(yao)(yao)一(yi)種折中的(de)(de)選擇才能滿(man)足需要(yao)(yao),既保(bao)證延長壽(shou)命,又(you)確保(bao)容(rong)(rong)量(liang)滿(man)足使(shi)用(yong)(yong)要(yao)(yao)求。
9、電(dian)池電(dian)壓高(gao)容(rong)量就大嗎(ma)?
答(da):電(dian)(dian)池電(dian)(dian)壓與(yu)容(rong)量是(shi)(shi)兩(liang)個概念,電(dian)(dian)壓與(yu)電(dian)(dian)極材料和電(dian)(dian)解(jie)液濃度相關,電(dian)(dian)池的容(rong)量是(shi)(shi)活(huo)性物質經電(dian)(dian)化學(xue)反應產生電(dian)(dian)流而釋放出來的,它與(yu)各活(huo)性物質的量,反應條件及利用率,連接等(deng)有關,因此電(dian)(dian)壓高(gao)不(bu)能(neng)說容(rong)量就高(gao),電(dian)(dian)壓低(di)(di)也不(bu)一(yi)定容(rong)量就低(di)(di)。
10、溫(wen)度(du)對電池性能有(you)什么(me)影響(xiang)?
答:電(dian)(dian)(dian)(dian)池(chi)的(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)、放電(dian)(dian)(dian)(dian)時,在電(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)極上發生電(dian)(dian)(dian)(dian)化學(xue)反(fan)應,溫(wen)(wen)度(du)(du)越(yue)(yue)(yue)高(gao)(gao),電(dian)(dian)(dian)(dian)池(chi)各活(huo)性(xing)物(wu)質的(de)活(huo)度(du)(du)增加(jia),電(dian)(dian)(dian)(dian)解液(ye)粘度(du)(du)降低,電(dian)(dian)(dian)(dian)阻減小,因此電(dian)(dian)(dian)(dian)化學(xue)反(fan)應容(rong)易(yi)進行(xing),反(fan)之(zhi)則不容(rong)易(yi)進行(xing)。放電(dian)(dian)(dian)(dian)時溫(wen)(wen)度(du)(du)越(yue)(yue)(yue)低,放出容(rong)量越(yue)(yue)(yue)低,在特(te)別低的(de)溫(wen)(wen)度(du)(du)下,放出容(rong)量將大幅度(du)(du)下降,溫(wen)(wen)度(du)(du)高(gao)(gao)則相(xiang)反(fan);充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)時溫(wen)(wen)度(du)(du)越(yue)(yue)(yue)低,充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)接(jie)受能(neng)(neng)力(li)越(yue)(yue)(yue)差,要(yao)求充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)較高(gao)(gao),才能(neng)(neng)充(chong)(chong)(chong)足電(dian)(dian)(dian)(dian)。反(fan)之(zhi)溫(wen)(wen)度(du)(du)越(yue)(yue)(yue)高(gao)(gao),充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)接(jie)受能(neng)(neng)力(li)越(yue)(yue)(yue)好,易(yi)造(zao)成過充(chong)(chong)(chong)電(dian)(dian)(dian)(dian),因此要(yao)求降低充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya),才不至于(yu)造(zao)成過充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)。此溫(wen)(wen)度(du)(du)的(de)變化,直接(jie)影響電(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)和放電(dian)(dian)(dian)(dian)性(xing)能(neng)(neng)。
11、電(dian)動車電(dian)池循(xun)環次數(shu)是(shi)一定(ding)的(de)嗎?
答:循環次數,根據放電深度不同而差別很大,放電深度越深,循環次數越小,放電深度越淺,循環次數越多,有時是呈指數變化,根據試驗結果放電深渡與循環次數聯系如下表:
放電深度100% 70% 50% 20% 10% 循環次數350 次 550 次 1000 次 2800 次 7000 次
