一、什么是燃料電池客車
燃(ran)料(liao)(liao)電(dian)(dian)池客(ke)(ke)車(che)(che)是電(dian)(dian)動客(ke)(ke)車(che)(che)的一種,不過(guo)它不是充電(dian)(dian)的,而是使用氫氧混(hun)合(he)燃(ran)料(liao)(liao)電(dian)(dian)池,通(tong)過(guo)補充燃(ran)料(liao)(liao)來(lai)提供(gong)動力(li)(li),簡(jian)單來(lai)說,燃(ran)料(liao)(liao)電(dian)(dian)池客(ke)(ke)車(che)(che)是一種用車(che)(che)載燃(ran)料(liao)(liao)電(dian)(dian)池裝置產生的電(dian)(dian)力(li)(li)作為動力(li)(li)的客(ke)(ke)車(che)(che),屬于新能源(yuan)客(ke)(ke)車(che)(che)。
二、燃料電池客車工作原理是什么
燃料電池客車(che)(che)可以在五分鐘內(nei)給電池灌滿燃料,而不用(yong)等上(shang)幾(ji)個小時充(chong)電,因此(ci)和普通的電動客車(che)(che)相比更方便,那么燃料電池客車(che)(che)是怎(zen)么工作的呢(ni)?
燃(ran)料電(dian)(dian)(dian)池客(ke)車(che)的(de)原(yuan)理是:作(zuo)為(wei)燃(ran)料的(de)氫在客(ke)車(che)搭載(zai)的(de)燃(ran)料電(dian)(dian)(dian)池中,與(yu)大氣中的(de)氧氣發生(sheng)氧化(hua)還原(yuan)化(hua)學反應,產生(sheng)出電(dian)(dian)(dian)能(neng)來帶動(dong)(dong)電(dian)(dian)(dian)動(dong)(dong)機(ji)工作(zuo),由電(dian)(dian)(dian)動(dong)(dong)機(ji)帶動(dong)(dong)客(ke)車(che)中的(de)機(ji)械傳動(dong)(dong)結(jie)構,進(jin)而帶動(dong)(dong)汽車(che)的(de)前橋(或(huo)后橋)等行走機(ji)械結(jie)構工作(zuo),從而驅動(dong)(dong)電(dian)(dian)(dian)動(dong)(dong)客(ke)車(che)前進(jin)。
簡單來說(shuo),就是燃料電池反應發電,產(chan)(chan)生(sheng)電能驅動新能源客車,而且這種反應只會產(chan)(chan)生(sheng)極(ji)少(shao)的二(er)氧化碳(tan)和(he)氮(dan)氧化物,副產(chan)(chan)品主要產(chan)(chan)生(sheng)水,相當綠色環保(bao)。
三、燃料電池客車有幾種
燃(ran)(ran)料(liao)電(dian)池客(ke)(ke)車(che)按(an)照驅動(dong)形式可分為純燃(ran)(ran)料(liao)電(dian)池驅動(dong)客(ke)(ke)車(che)和混合驅動(dong)客(ke)(ke)車(che),混合驅動(dong)客(ke)(ke)車(che)又(you)可按(an)輔(fu)助動(dong)力源分為燃(ran)(ran)料(liao)電(dian)池+蓄電(dian)池,燃(ran)(ran)料(liao)電(dian)池+超級(ji)電(dian)容,燃(ran)(ran)料(liao)電(dian)池+蓄電(dian)池+超級(ji)電(dian)容等多種(zhong):
1、純燃料電池客車
這(zhe)種新能(neng)源客車以燃(ran)(ran)料(liao)電(dian)(dian)池作為單(dan)(dan)一動(dong)力(li)源,經DCDC帶動(dong)電(dian)(dian)機驅動(dong)整車行駛(shi),結構簡單(dan)(dan),但是燃(ran)(ran)料(liao)電(dian)(dian)池功率要(yao)求(qiu)大,成(cheng)本昂貴,由于燃(ran)(ran)料(liao)電(dian)(dian)池作為唯一動(dong)力(li)源,所以對燃(ran)(ran)料(liao)電(dian)(dian)池的性(xing)能(neng)和可靠性(xing)要(yao)求(qiu)高,不能(neng)進行制動(dong)能(neng)量回(hui)收。
2、燃料電池+蓄電池混合驅動客車
燃(ran)料電(dian)(dian)(dian)池(chi)(chi)和(he)(he)蓄電(dian)(dian)(dian)池(chi)(chi)均為整車動(dong)(dong)(dong)力源,燃(ran)料電(dian)(dian)(dian)池(chi)(chi)經DCDC帶動(dong)(dong)(dong)電(dian)(dian)(dian)池(chi)(chi)驅(qu)動(dong)(dong)(dong)整車行駛(shi),蓄電(dian)(dian)(dian)池(chi)(chi)也可驅(qu)動(dong)(dong)(dong)整車行駛(shi),進(jin)行制(zhi)動(dong)(dong)(dong)能量回(hui)收(shou),并(bing)用于空(kong)壓機等部件工作,電(dian)(dian)(dian)堆(dui)加熱,氣體(ti)加濕。此構(gou)型降低了燃(ran)料的(de)功(gong)率要求、成(cheng)本,并(bing)可實現制(zhi)動(dong)(dong)(dong)能量回(hui)收(shou),但是(shi)增加了系統復雜性和(he)(he)蓄電(dian)(dian)(dian)池(chi)(chi)的(de)維護成(cheng)本。
3、燃料電池+超級電容混合驅動客車
燃料電(dian)池和(he)超級電(dian)容均為整(zheng)車(che)動(dong)力源,燃料電(dian)池經DCDC帶動(dong)電(dian)機驅動(dong)整(zheng)車(che)行(xing)駛,與蓄電(dian)池相比,超級電(dian)容壽命(ming)長、效(xiao)率高(gao)、成本低,但(dan)由(you)于其(qi)容量小,制動(dong)能量回收能量有限。
4、燃料電池+蓄電池+超級電容混合驅動客車
燃料(liao)電(dian)池(chi)(chi)(chi)、超級電(dian)容、蓄(xu)電(dian)池(chi)(chi)(chi)均(jun)為整車動(dong)力源,燃料(liao)電(dian)池(chi)(chi)(chi)經DCDC帶動(dong)電(dian)機驅動(dong)整車行駛,與以上構型相比,超級電(dian)容可提供加速或吸收緊急制動(dong)的尖峰電(dian)流(liu),減(jian)輕蓄(xu)電(dian)池(chi)(chi)(chi)的負擔,延長蓄(xu)電(dian)池(chi)(chi)(chi)的壽(shou)命,但復雜(za)程度高(gao)、控制復雜(za)。