Enye yetekhnoloji ephambili yezithuthi zamandla amatsha ziibhetri zamandla.Umgangatho weebhetri umisela iindleko zezithuthi zombane kwelinye icala, kunye noluhlu lokuqhuba izithuthi zombane kwelinye.Into ephambili yokwamkelwa kunye nokwamkelwa ngokukhawuleza.
Ngokweempawu zokusetyenziswa, iimfuno kunye neendawo zokusetyenziswa kweebhetri zamandla, uphando kunye nophuhliso lweentlobo zeebhetri zamandla ekhaya nakwamanye amazwe ziphantse: iibhetri ze-lead-acid, iibhetri ze-nickel-cadmium, iibhetri ze-nickel-metal hydride, iibhetri ze-lithium-ion, iiseli zepetroli, njl., apho uphuhliso lweebhetri ze-lithium-ion lufumana ingqalelo enkulu.
Amandla okuvelisa ubushushu bebhetri
Umthombo wobushushu, izinga lokuvelisa ubushushu, amandla obushushu bebhetri kunye nezinye iiparamitha ezinxulumene nemodyuli yebhetri yamandla zihlobene ngokusondeleyo nobume bebhetri.Ubushushu obukhutshwe yibhetri buxhomekeke kwimichiza, ubume bomatshini kunye nombane kunye neempawu zebhetri, ngakumbi ubume be-electrochemical reaction.Amandla obushushu obuveliswa kwi-reaction yebhetri angabonakaliswa ngubushushu bebhetri ye-Qr;i-electrochemical polarization ibangela ukuba owona mbane webhetri ujike kwi-equilibrium electromotive force, kunye nelahleko yamandla ebangelwa yi-polarization yebhetri ibonakaliswa yi-Qp.Ukongeza kwimpendulo yebhetri eqhubekayo ngokweequation yokusabela, kukwakho neempendulo ezisecaleni.Iimpendulo zecala eziqhelekileyo ziquka ukubola kwe-electrolyte kunye nokuzikhupha kwebhetri.Icala reaction ubushushu eveliswe kule nkqubo Qs.Ukongeza, kuba nayiphi na ibhetri iya kuba nokuxhathisa, ukushisa kwe-Joule Qj kuya kuveliswa xa idlula yangoku.Ngoko ke, ubushushu bubonke bebhetri sisimbuku sobushushu sale miba ilandelayo: Qt=Qr+Qp+Qs+Qj.
Ngokuxhomekeke kwinkqubo ethile yokutshaja (ukukhupha), ezona zinto ziphambili ezenza ukuba ibhetri ivelise ubushushu nazo ziyahluka.Umzekelo, xa ibhetri idla ngokutshajwa, iQr yeyona nto iphambili;kwaye kwinqanaba lamva lokutshaja ibhetri, ngenxa yokubola kwe-electrolyte, ukuphendula kwecala kuyaqala ukwenzeka (ubushushu becala lempendulo yi-Qs), xa ibhetri iphantse igcwaliswe ngokupheleleyo kwaye itshajiswe ngaphezulu, Eyona nto eyenzekayo kukubola kwe-electrolyte, apho i-Qs ilawula khona. .Ubushushu be-Joule Qj buxhomekeke kumbane kunye nokuchasana.Indlela yokutshaja esetyenziswa ngokuqhelekileyo iqhutywa phantsi kwangoku rhoqo, kwaye i-Qj lixabiso elithile ngeli xesha.Nangona kunjalo, ngexesha lokuqalisa kunye nokukhawuleza, okwangoku kuphezulu.Kwi-HEV, le nto ilingana nomsinga wamashumi e-ampere ukuya kumakhulu ee-ampere.Ngeli xesha, i-Joule heat Qj inkulu kakhulu kwaye iba ngowona mthombo wokukhutshwa kobushushu bebhetri.
Ukusuka kwimbono yolawulo lolawulo lwe-thermal, iinkqubo zolawulo lwe-thermal (HVH) inokwahlulwa ibe ziindidi ezimbini: esebenzayo kunye neyokwenziwa.Ukusuka kwimbono yokudlulisa ubushushu, iinkqubo zolawulo lwe-thermal zinokwahlulwa zibe: zipholile emoyeni (Isifudumezi-moya se-PTC), ulwelo-upholile (Isifudumezi esipholileyo se-PTC), kunye nesigaba-ukutshintsha ukugcinwa kwe-thermal.
Ukuhambisa ubushushu ngesipholisi (PTC Coolant Heater) njengesixhobo esiphakathi, kuyimfuneko ukuseka unxibelelwano lobushushu phakathi kwemodyuli kunye nolwelo oluphakathi, njengebhatyi yamanzi, ukwenza ubushushu obungathanga ngqo kunye nokupholisa ngendlela yokuhambisa kunye nobushushu. ukuqhuba.Indawo yokudlulisa ubushushu ingaba ngamanzi, i-ethylene glycol okanye iRefrigerant.Kukwakho ukuhanjiswa kobushushu ngokuthe ngqo ngokuntywiliselwa isiqwenga sepali kulwelo lwe-dielectric, kodwa amanyathelo okufakelwa kufuneka athathwe ukuphepha isekethe emfutshane.
Ukupholisa okupholisayo ngokuqhelekileyo kusebenzisa utshintshiselwano lobushushu bolwelo olujikeleze ulwelo kwaye emva koko kwazisa amaqomboloko kwibhetri kutshintshiselwano lobushushu lwesibini, ngelixa ukupholisa okusebenzayo kusebenzisa i-injini yokupholisa ulwelo oluphakathi kwezitshintshi zobushushu, okanye i-PTC yokufudumeza kombane/i-oyile yokufudumeza ukuphumeza ukupholisa okusisiseko.Ukufudumeza, ukupholisa okuphambili kunye nekhabhinethi yabahambi yomoya/imeko yomoya efrijini-ulwelo oluphakathi.
Kwiinkqubo zolawulo lwe-thermal ezisebenzisa umoya kunye nolwelo njengento ephakathi, isakhiwo sikhulu kakhulu kwaye sinzima ngenxa yesidingo sabalandeli, iimpompo zamanzi, ii-heaters, izifudumezi, iipayipi kunye nezinye izixhobo, kwaye ikwasebenzisa amandla ebhetri kwaye inciphisa amandla ebhetri. .ukuxinana kunye nokuxinana kwamandla.
Inkqubo yokupholisa ibhetri yamanzi epholileyo isebenzisa i-coolant (50% yamanzi / i-50% ethylene glycol) ukuhambisa ukushisa kwebhetri kwi-air-conditioning system yefriji ngokusebenzisa i-battery epholileyo, kwaye emva koko kwimo engqongileyo ngokusebenzisa i-condenser.Ukushisa kwamanzi okungena kwebhetri kupholile ngebhetri Kulula ukufikelela kwiqondo lokushisa eliphantsi emva kokutshintshiselwa kobushushu, kwaye ibhetri inokutshintshwa ukuze iqhube kwinqanaba eliphezulu lobushushu bokusebenza;umgaqo wenkqubo uboniswe kumzobo.Izinto eziphambili zenkqubo yefriji ziquka: i-condenser, i-compressor yombane, i-evaporator, i-valve yokwandisa kunye ne-valve yokuvala, i-cooler yebhethri (i-valve yokwandisa kunye ne-valve yokuvala) kunye nemibhobho yomoya, njl.isiphaluka samanzi okupholisa sibandakanya: impompo yamanzi yombane, ibhetri (kubandakanywa neepleyiti zokupholisa), ii-coolers zebhetri, imibhobho yamanzi, iitanki zokwandisa kunye nezinye izixhobo.
Ixesha lokuposa: Apr-27-2023
