1. Iimpawu zeebhetri ze-lithium kwizithuthi zamandla amatsha
Iibhetri zeLithium ubukhulu becala zinezibonelelo zokuzikhupha ngokwazo, ukuxinana kwamandla aphezulu, amaxesha omjikelo ophezulu, kunye nokusebenza kakuhle kakhulu ngexesha lokusetyenziswa.Ukusebenzisa iibhetri ze-lithium njengesona sixhobo siphambili samandla amatsha silingana nokufumana umthombo wamandla olungileyo.Ke ngoko, ekubunjweni kwamacandelo aphambili ezithuthi zamandla amatsha, ipakethe yebhetri ye-lithium ehambelana neseli yebhetri ye-lithium ibe yinto ebaluleke kakhulu engundoqo kunye neyona nto ingundoqo enika amandla.Ngexesha lenkqubo yokusebenza kweebhetri ze-lithium, kukho iimfuno ezithile zendawo engqongileyo.Ngokweziphumo zovavanyo, olona bushushu bokusebenza bugcinwa kuma-20°C ukuya kuma-40°C.Emva kokuba iqondo lokushisa elijikeleze ibhetri lidlula umda ochaziweyo, ukusebenza kwebhetri ye-lithium kuya kuncitshiswa kakhulu, kwaye ubomi benkonzo buya kuncitshiswa kakhulu.Ngenxa yokuba iqondo lokushisa elijikeleze ibhetri ye-lithium liphantsi kakhulu, umthamo wokugqibela wokukhupha kunye ne-voltage yokukhupha iya kuphambuka kumgangatho osethiweyo, kwaye kuya kubakho ukuhla okubukhali.
Ukuba ubushushu be-ambient buphezulu kakhulu, amathuba okubaleka kwe-thermal yebhetri ye-lithium kuya kwandiswa kakhulu, kwaye ubushushu bangaphakathi buya kubuthelana kwindawo ethile, kubangela iingxaki ezinzulu zokuqokelela ubushushu.Ukuba le nxalenye yobushushu ayikwazi ukuthunyelwa ngaphandle kakuhle, kunye nexesha elongeziweyo lokusebenza kwebhetri ye-lithium, ibhetri ilungele ukuqhuma.Le ngozi yokhuseleko ibeka isoyikiso esikhulu kukhuseleko lomntu, ke iibhetri ze-lithium kufuneka zithembele kwizixhobo zokupholisa ze-electromagnetic ukuphucula ukusebenza kokhuseleko lwezixhobo xa zisebenza.Ingabonwa ukuba xa abaphandi belawula ukushisa kweebhetri ze-lithium, kufuneka basebenzise ngokufanelekileyo izixhobo zangaphandle ukuthumela ubushushu kunye nokulawula ubushushu obuphezulu bokusebenza kweebhetri ze-lithium.Emva kokuba ulawulo lobushushu lufikelele kwimigangatho ehambelanayo, umgomo wokuqhuba ngokukhuselekileyo wezithuthi zamandla amatsha akunakufane usongelwa.
2. Indlela yokuvelisa ubushushu yamandla emoto entsha yamandla e-lithium ibhetri
Nangona ezi bhetri zingasetyenziswa njengezixhobo zamandla, kwinkqubo yokusetyenziswa kwangempela, ukungafani phakathi kwazo kubonakala ngakumbi.Ezinye iibhetri zineengxaki ezinkulu, ngoko ke abavelisi bezithuthi zamandla amatsha kufuneka bakhethe ngononophelo.Ngokomzekelo, ibhetri ye-lead-acid inika amandla okwaneleyo kwisebe eliphakathi, kodwa iya kubangela umonakalo omkhulu kwindawo engqongileyo ngexesha lokusebenza kwayo, kwaye lo monakalo awuyi kulungiswa kamva.Ngoko ke, ukuze kukhuselwe ukhuseleko lwendalo, ilizwe liye lafaka iibhetri zeLead-asidi zifakiwe kuluhlu oluvaliweyo.Ngexesha lophuhliso, iibhetri ze-nickel-metal hydride zifumene amathuba amahle, iteknoloji yophuhliso iye yakhula ngokuthe ngcembe, kwaye ububanzi besicelo buye banda.Nangona kunjalo, xa kuthelekiswa neebhetri ze-lithium, iintsilelo zayo zibonakala kancinci.Ngokomzekelo, kunzima kubavelisi bebhetri abaqhelekileyo ukulawula iindleko zokuvelisa iibhetri ze-nickel-metal hydride.Ngenxa yoko, ixabiso leebhetri ze-nickel-hydrogen kwimarike lihlala liphezulu.Ezinye iintlobo zezithuthi zamandla amatsha ezisukela ukusebenza kweendleko aziyi kucinga ngokuzisebenzisa njengezixhobo zemoto.Okubaluleke ngakumbi, iibhetri ze-Ni-MH zivakalelwa kakhulu kubushushu be-ambient kuneebhetri ze-lithium, kwaye kunokwenzeka ukuba zibambe umlilo ngenxa yokushisa okuphezulu.Emva kothelekiso oluninzi, iibhetri ze-lithium zigqamile kwaye ngoku zisetyenziswa ngokubanzi kwizithuthi zamandla amatsha.
Isizathu sokuba iibhetri ze-lithium zinokunika amandla kwizithuthi zamandla amatsha ngokuchanekileyo ngenxa yokuba i-electrode yabo emihle kunye nengalunganga inezinto ezisebenzayo.Ngethuba lenkqubo yokufakela ngokuqhubekayo kunye nokukhutshwa kwezinto, umthamo omkhulu wamandla ombane ufunyenwe, kwaye ngokomgaqo wokuguqulwa kwamandla, amandla ombane kunye namandla e-kinetic Ukufezekisa injongo yokutshintshana, ngaloo ndlela ukuhambisa amandla anamandla izithuthi zamandla amatsha, zinokufezekisa injongo yokuhamba ngemoto.Ngexesha elifanayo, xa i-lithium ibhetri ye-lithium ithatha i-chemical reaction, iya kuba nomsebenzi wokuthatha ukushisa kunye nokukhulula ukushisa ukugqiba ukuguqulwa kwamandla.Ukongeza, i-athomu ye-lithium ayigxili, inokuhamba ngokuqhubekayo phakathi kwe-electrolyte kunye ne-diaphragm, kwaye kukho ukuchasana kwangaphakathi kwe-polarization.
Ngoku, ubushushu buya kukhutshwa ngokufanelekileyo.Nangona kunjalo, iqondo lokushisa elijikeleze ibhetri ye-lithium yezithuthi zamandla amatsha aphezulu kakhulu, anokuthi aholele ngokulula ukubola kwezahluli ezilungileyo kunye ezimbi.Ukongeza, ukubunjwa kwebhetri ye-lithium yamandla amatsha yenziwe ngeepakethi ezininzi zebhetri.Ubushushu obuveliswa zizo zonke iipakethi zebhetri bubodlula kude obu bebhetri enye.Xa iqondo lobushushu ligqithisa ixabiso elimisiweyo, ibhetri ithanda kakhulu ukudubula.
3. Itekhnoloji eziphambili zenkqubo yolawulo lobushushu bebhetri
Kwinkqubo yokulawula ibhetri yezithuthi zamandla amatsha, ekhaya nakwamanye amazwe anike inqanaba eliphezulu lokuqwalaselwa, aqalise uluhlu lophando, kwaye afumene iziphumo ezininzi.Eli nqaku liza kugxila kuvavanyo oluchanekileyo lwamandla ebhetri ashiyekileyo yenkqubo entsha yokulawula ibhetri yemoto yamandla, ulawulo lokulinganisa ibhetri kunye nobuchwepheshe obuphambili obusetyenziswayoinkqubo yokulawula thermal.
3.1 Indlela yokuhlola amandla ebhetri yolawulo lobushushu obushiyekileyo
Abaphandi batyale amandla amaninzi kunye neenzame ezibuhlungu kuvavanyo lwe-SOC, ikakhulu usebenzisa i-algorithms yedatha yesayensi efana ne-ampere-hour integral method, indlela yemodeli yomgca, indlela yenethiwekhi ye-neural kunye nendlela yokucoca i-Kalman yokwenza inani elikhulu leemvavanyo zokulinganisa.Nangona kunjalo, iimpazamo zokubala zihlala zisenzeka ngexesha lokusetyenziswa kwale ndlela.Ukuba impazamo ayilungiswanga ngexesha, umsantsa phakathi kweziphumo zokubala uya kuba mkhulu kwaye ube mkhulu.Ukuze kulungiswe esi siphene, abaphandi bavame ukudibanisa indlela yokuvavanya i-Anshi kunye nezinye iindlela zokuqinisekisa omnye nomnye, ukuze bafumane iziphumo ezichanekileyo.Ngedatha echanekileyo, abaphandi banokuqikelela ngokuchanekileyo ukukhutshwa kwangoku kwebhetri.
3.2 Ulawulo olulungeleleneyo lwenkqubo yolawulo lobushushu bebhetri
Ulawulo lolungelelwaniso lwenkqubo yolawulo lobushushu bebhetri lusetyenziswa ikakhulu ukulungelelanisa amandla ombane kunye namandla enxalenye nganye yebhetri yamandla.Emva kokuba iibhetri ezahlukeneyo zisetyenziswe kwiindawo ezahlukeneyo, amandla kunye nombane uya kwahluka.Ngeli xesha, ulawulo lokulinganisela kufuneka lusetyenziswe ukuphelisa umahluko phakathi kwezi zimbini.Ukungangqinelani.Okwangoku eyona ndlela isetyenziswa kakhulu yolawulo lokulinganisa
Ikakhulu yahlulahlulwe yazintlobo ezimbini: ukulinganisa kokwenziwa kunye nokulinganisa okusebenzayo.Ngokombono wesicelo, imigaqo yokuphunyezwa esetyenziswa zezi ntlobo zimbini zeendlela zokulinganisa zihluke kakhulu.
(1) Ukulungelelana.Umgaqo wokulinganisa okwenziwayo usebenzisa ubudlelwane obulungelelanisiweyo phakathi kwamandla ebhetri kunye nombane, ngokusekwe kwidatha yamandla ombane womtya omnye weebhetri, kwaye uguqulo lwezimbini luphunyezwa ngokubanzi ngokukhutshwa kokuchasa: amandla ebhetri enamandla amakhulu enza ubushushu. ngokusebenzisa ukufudumeza ukumelana, Emva koko uchithe emoyeni ukufezekisa injongo yokulahlekelwa kwamandla.Nangona kunjalo, le ndlela yokulinganisa ayiphuculi ukusebenza kakuhle kokusetyenziswa kwebhetri.Ukongezelela, ukuba ukutshatyalaliswa kobushushu akulingani, ibhetri ayiyi kukwazi ukugqiba umsebenzi wolawulo lwe-thermal yebhetri ngenxa yengxaki yokushisa.
(2) Ukulungelelana okusebenzayo.Ibhalansi esebenzayo yimveliso ephuculweyo ye-passive balance, eyenza ukungahambi kakuhle kwe-passive balance.Ukusuka kwimbono yomgaqo-siseko wokuqonda, umgaqo wokulinganisa okusebenzayo awubhekiseli kumgaqo wokulinganisa okwenziwayo, kodwa wamkela ingcamango entsha eyahlukileyo: ukulinganisa okusebenzayo akuguquli amandla ombane ebhetri kumandla obushushu kwaye kuyawachitha. , ukwenzela ukuba amandla aphezulu adluliselwe Amandla avela kwibhetri adluliselwa kwibhetri yamandla aphantsi.Ngaphezu koko, olu hlobo lokuhambisa aluphuli umthetho wokugcinwa kwamandla, kwaye lunenzuzo yokulahlekelwa okuphantsi, ukusetyenziswa okuphezulu, kunye neziphumo ezikhawulezayo.Nangona kunjalo, ubume bokuqulunqwa kolawulo lwebhalansi bunzima kakhulu.Ukuba indawo yebhalansi ayilawulwa ngokufanelekileyo, inokubangela umonakalo ongenakubuyiselwa kwipakethi yebhetri yamandla ngenxa yobukhulu bayo obugqithisileyo.Ukushwankathela, zombini ulawulo olusebenzayo lwebhalansi kunye nolawulo lwebhalansi engenziyo lunezingeloncedo kunye neenzuzo.Kwizicelo ezithile, abaphandi banokwenza ukhetho ngokomthamo kunye nenani leentambo zeepakethi zebhetri ze-lithium.Umthamo ophantsi, iipakethi zebhetri ze-lithium ezisezantsi zilungele ukuphathwa kwe-equalization, kunye nomthamo ophezulu, iipakethi zebhetri ze-lithium zamandla aphezulu zifanelekile ukulawula ukulinganisa okusebenzayo.
3.3 Obona buchwepheshe busetyenziswayo kwinkqubo yolawulo lobushushu bebhetri
(1) Misela elona qondo lobushushu bokusebenza kwebhetri.Inkqubo yolawulo lwe-thermal isetyenziselwa ukulungelelanisa ubushushu obujikeleze ibhetri, ngoko ke ukwenzela ukuba kuqinisekiswe umphumo wesicelo senkqubo yokulawula ukushisa, iteknoloji engundoqo eyenziwa ngabaphandi isetyenziselwa ukuchonga ukushisa okusebenzayo kwebhetri.Ngethuba nje ukushisa kwebhetri kugcinwa ngaphakathi koluhlu olufanelekileyo, ibhetri ye-lithium inokuhlala ikwimeko engcono kakhulu yokusebenza, inika amandla aneleyo okusebenza kwezithuthi zamandla amatsha.Ngale ndlela, ukusebenza kwebhetri ye-lithium yezithuthi zamandla amatsha kunokuhlala kukwimeko entle kakhulu.
(2) Ukubalwa koluhlu lwe-thermal kunye nokuqikelelwa kobushushu.Le teknoloji ibandakanya inani elikhulu lezibalo zemodeli yemathematika.Izazinzulu zisebenzisa iindlela zokubala ezihambelanayo ukufumana umahluko weqondo lobushushu ngaphakathi kwebhetri, kwaye zisebenzise oku njengesiseko sokuqikelela indlela enokwenzeka yokuziphatha kwebhetri.
(3) Ukukhethwa kwendawo yokudlulisa ubushushu.Ukusebenza okuphezulu kwenkqubo yokulawula i-thermal kuxhomekeke ekukhethweni kwendawo yokudlulisa ukushisa.Uninzi lwezithuthi zangoku zamandla amatsha zisebenzisa umoya/indawo epholileyo njengesixhobo sokupholisa.Le ndlela yokupholisa ilula ukusebenza, iphantsi kwindleko yokuvelisa, kwaye inokufikelela kakuhle injongo yokutshatyalaliswa kobushushu bebhetri.(Isifudumezi-moya se-PTC/Isifudumezi esiPholisayo se-PTC)
(4) Yamkela umoya ohambelanayo kunye noyilo lwesakhiwo sokutshatyalaliswa kobushushu.Uyilo lwe-ventilation kunye nokushisa ukushisa phakathi kweepakethi ze-lithium ibhetri inokwandisa ukuhamba komoya ukwenzela ukuba ihanjiswe ngokulinganayo phakathi kweepakethi zebhetri, ngokufanelekileyo ukusombulula ukuhluka kweqondo lokushisa phakathi kweemodyuli zebhetri.
(5) Ukukhetha indawo yokulinganisa iFan kunye nobushushu.Kule modyuli, abaphandi basebenzise inani elikhulu leemvavanyo ukwenza izibalo zethiyori, emva koko basebenzise iindlela zobuchwephesha bolwelo ukufumana amaxabiso okusetyenziswa kwamandla abalandeli.Emva koko, abaphandi baya kusebenzisa izinto ezinomda ukufumana eyona ndawo ifanelekileyo yokulinganisa ubushushu ukuze bafumane ngokuchanekileyo idatha yobushushu bebhetri.
Ixesha lokuposa: Jun-25-2023
