Ibhetri ye-lithium yelangaiyona nxalenye ephambili yenkqubo yokugcina amandla elanga, ukusebenza kwebhetri ye-lithium yenye yezinto eziphambili zokumisela ukusebenza kwenkqubo yokugcina amandla ebhetri.
Ukuphuhliswa kobuchwepheshe bebhetri ye-lithium yelanga kuye kwaba ukulawula iindleko, ukuphucula ubuninzi bamandla kunye nokuxinana kwamandla ebhetri ye-lithium, ukuphucula ukusetyenziswa kokhuseleko, ukwandisa ubomi benkonzo kunye nokuphucula ukuhambelana kwebhetri yepakethe, njl. kwaye ukuphuculwa kwezi zinto kuseyibhetri ye-lithium okwangoku ijongene nomngeni omkhulu. Oku kubangelwa ikakhulu kwiqela lentsebenzo yeseli enye kunye nokusetyenziswa kwendawo yokusebenza (njengeqondo lokushisa) kukho ukungafani, ukwenzela ukuba ukusebenza kweebhetri ze-lithium zelanga zihlala ziphantsi kuneyona iseli enye embi kakhulu kwipakethi yebhetri.
Ukungahambelani kokusebenza kweseli enye kunye nendawo yokusebenza akugcini nje ukunciphisa ukusebenza kwebhetri ye-lithium yelanga, kodwa kuchaphazela ukuchaneka kwe-BMS yokubeka iliso kunye nokhuseleko lwebhetri. Ngoko zeziphi izizathu zokungahambelani kwebhetri ye-lithium yelanga?
Yintoni iLithium Solar Consistency yeBattery?
I-Lithium yebhetri yebhetri yelanga ukuhambelana kwebhetri, umthamo, ukuchasana kwangaphakathi, ixesha lokuphila, umphumo weqondo lokushisa, izinga lokuzikhupha kunye nezinye iiparamitha zihlala zihambelana kakhulu ngaphandle kokwahlukana okukhulu emva kokuba imodeli efanayo yokucaciswa kweeseli enye yenza ipakethi yebhetri.
Ukuhambelana kwebhetri yelanga yeLithium kubalulekile ukuqinisekisa ukusebenza okufanayo, ukunciphisa umngcipheko kunye nokwandisa ubomi bebhetri.
Ufundo olunxulumeneyo: zeziphi iingozi ezinokuzisa iibhetri ze-lithium ezingahambelaniyo?
Yintoni Ebangela Ukungahambelani kweebhetri zeSolar Lithium?
Ukungahambelani kwepakethe yebhetri kudla ngokubangela ukuba iibhetri ze-lithium zelanga kwinkqubo yokuhamba ngebhayisikile, njengokuthotywa komthamo ogqithisileyo, ubomi obufutshane kunye nezinye iingxaki. Kukho izizathu ezininzi zokungahambelani kweebhetri ze-lithium zelanga, ngokukodwa kwinkqubo yokuvelisa kunye nokusetyenziswa kwenkqubo.
1. Umahluko kwiiparamitha phakathi kweebhetri ze-lithium iron phosphate enye
Umahluko karhulumente phakathi kweebhetri ze-lithium iron phosphate monomer ikakhulu zibandakanya umahluko wokuqala phakathi kweebhetri ze-monomer kunye nokwahlukana kweparameter eyenziwe ngexesha lenkqubo yokusetyenziswa. Kukho izinto ezahlukeneyo ezingalawulekiyo kwinkqubo yoyilo lwebhetri, ukuvelisa, ukugcinwa kunye nokusetyenziswa okunokuchaphazela ukuhambelana kwebhetri. Ukuphucula ukuhambelana kweeseli nganye kuyimfuneko yokuphucula ukusebenza kweebhetri. Ukusebenzisana kwe-lithium iron phosphate iiparameters zeseli enye, imeko yangoku yepharamitha ichaphazeleka yimeko yokuqala kunye nesiphumo sokunyuka kwexesha.
Lithium iron phosphate umthamo webhetri, umbane kunye nesantya sokuzikhupha
Ukungangqinelani komthamo webhetri ye-lithium iron phosphate kuya kwenza ukuba ipakethi yebhetri yeseli nganye yokukhupha ubunzulu ingahambelani. Iibhetri ezinomthamo omncinci kunye nokusebenza kakubi kuya kufikelela kwisimo esipheleleyo sokutshaja kwangaphambili, okubangela ukuba iibhetri ezinomthamo omkhulu kunye nokusebenza kakuhle zisilele ukufikelela kwisimo esipheleleyo sokutshaja. Ukungangqinelani kombane webhetri ye-lithium ye-iron phosphate iya kukhokelela kwiipakethi zebhetri ezihambelanayo kwiseli enye itshaja enye kwenye, ibhetri yombane ephezulu iya kunika ukutshaja kwebhetri okuphantsi kombane, okuya kukhawulezisa ukuthotywa kokusebenza kwebhetri, ukulahleka kwamandla ebhetri iyonke. . Izinga elikhulu lokuzikhupha kwibhetri yelahleko, i-lithium iron phosphate ibhetri yokuzikhupha isantya sokungahambelani kuya kukhokelela kumahluko kwimo yentlawulo yebhetri, i-voltage, echaphazela ukusebenza kwepakethi yebhetri.
Ukuchasana kwangaphakathi kwebhetri ye-lithium yentsimbi ye-phosphate enye
Kwinkqubo yochungechunge, umahluko wokuchasana kwangaphakathi kwebhetri ye-lithium ye-phosphate enye iya kukhokelela ekungahambelani kombane wokutshaja webhetri nganye, ibhetri enokumelana okukhulu kwangaphakathi ifikelela kumda wamandla ombane aphezulu kwangethuba, kwaye ezinye iibhetri zinokungatshaji ngokupheleleyo. ngeli xesha. Iibhetri ezinokumelana okuphezulu kwangaphakathi zinokulahlekelwa kwamandla aphezulu kwaye zivelise ukushisa okuphezulu, kwaye ukuhluka kweqondo lokushisa kwandisa ngakumbi ukuchasana kwangaphakathi, okukhokelela kumjikelo okhohlakeleyo.
Inkqubo ehambelanayo, umahluko wangaphakathi wokuchasana uya kukhokelela ekungahambelani kwebhetri nganye yangoku, umbane wombane webhetri utshintsha ngokukhawuleza, ukwenzela ukuba ubunzulu bentlawulo kunye nokukhutshwa kwebhetri enye ingahambelani, okukhokelela kumthamo wangempela wenkqubo. kunzima ukufikelela kwixabiso loyilo. Ukusebenza kwebhetri okwangoku kuyahluka, ukusebenza kwayo ekusetyenzisweni kwenkqubo kuya kuvelisa ukungafani, kwaye ekugqibeleni kuya kuchaphazela ubomi bebhetri yonke.
2. Iimeko zokutshaja kunye nokukhupha
Indlela yokutshaja ichaphazela ukusebenza kakuhle kokutshaja kunye nemeko yokutshaja ye-solar lithium ibhetri pack, i-overcharging and over-dischargeing iya kuyonakalisa ibhetri, kwaye ibhetri ipakethe iya kubonisa ukungahambi kakuhle emva kwexesha elininzi lokutshaja kunye nokukhutshwa. Okwangoku, kukho iindlela ezininzi zokutshaja iibhetri ze-lithium-ion, kodwa ezona ziqhelekileyo zikwahlulahlulwe ngokuqhubekayo-ngokutshajayo kunye nokutshaja okungaguquguqukiyo. Ukutshaja rhoqo ngoku yeyona ndlela ilungileyo yokutshaja ngokukhuselekileyo nesebenzayo; ukutshaja rhoqo kwangoku kunye nokungaguqukiyo kwamandla ombane kudibanisa ngokufanelekileyo iingenelo zokutshaja ngokuqhubekayo kunye nokutshaja rhoqo kwamandla ombane, ukusombulula indlela yokutshaja rhoqo yangoku kunzima ukutshaja ngokuchanekileyo, ukuthintela indlela yokutshaja ombane rhoqo ekutshajweni kwinqanaba lokuqala langoku. inkulu kakhulu ukuba ibhetri ibangele impembelelo yokusebenza kwebhetri, ilula kwaye ifanelekile.
3. Ubushushu bokusebenza
Ukusebenza kweebhetri ze-lithium zelanga kuya kuthotywa kakhulu phantsi kweqondo lokushisa eliphezulu kunye nezinga eliphezulu lokukhutshwa. Oku kungenxa yokuba ibhetri ye-lithium-ion kwiimeko zobushushu obuphezulu kunye nokusetyenziswa okuphezulu kwangoku, kuya kubangela ukuba i-cathode isebenze izinto ezisebenzayo kunye nokubola kwe-electrolyte, okuyinkqubo exothermic, ixesha elifutshane, elifana nokukhululwa kobushushu kunokukhokelela kwibhetri ngokwayo. iqondo lobushushu liyenyuka ngakumbi, kwaye amaqondo obushushu aphezulu anyusa isantya sokubola, ukwakheka kwesangqa esikhohlakeleyo, ukubola okukhawulezileyo kwebhetri ukuhla ngakumbi ekusebenzeni. Ke ngoko, ukuba ipakethi yebhetri ayilawulwa ngokufanelekileyo, iya kuzisa ilahleko yokusebenza engenakubuyiseka.
Uyilo lwebhetri ye-lithium yelanga kunye nokusetyenziswa kokungafani kokusingqongileyo kuya kubangela ukuba indawo yokushisa yeseli enye ayihambelani. Njengoko kubonisiwe ngumthetho ka-Arrhenius, i-electrochemical reaction rate rate yebhetri ihambelana ngokuthe ngqo neqondo, kwaye iimpawu ze-electrochemical zebhetri zahlukile kumaqondo obushushu ahlukeneyo. Ubushushu buchaphazela ukusebenza kwenkqubo yebhetri ye-electrochemical, ukusebenza kakuhle kweCoulombic, ukutshaja kunye nokukhupha amandla, amandla okuphuma, amandla, ukuthembeka, kunye nobomi bomjikelezo. Okwangoku, uphando oluphambili lwenziwa ukulinganisa umphumo weqondo lokushisa ekungahambelani kweepakethi zebhetri.
4. Ibhetri yangaphandle yesekethe
Uqhagamshelwano
Kwiinkqubo yokugcina amandla orhwebo, iibhetri zelanga ze-lithium ziya kuhlanganiswa ngokulandelelana kunye nokuhambelana, ngoko kuya kuba neesekethe ezininzi zokudibanisa kunye nezinto zokulawula phakathi kweebhetri kunye neemodyuli. Ngenxa yokusebenza okuhlukeneyo kunye nokuguga kwelungu ngalinye lesakhiwo okanye inxalenye, kunye namandla angahambelaniyo asetyenzisiweyo kwindawo nganye yokudibanisa, izixhobo ezahlukeneyo zineempembelelo ezahlukeneyo kwibhetri, okubangelwa inkqubo yokupakisha ibhetri engahambelaniyo. Ukungahambelani kwisantya sokuthotywa kwebhetri kwiisekethe ezihambelanayo kunokukhawulezisa ukuwohloka kwenkqubo.
I-Impedans piece Connection iya kuba nefuthe lokungahambelani kwepakethi yebhetri, ukuxhathisa iqhekeza loqhagamshelo akufani, ipali ukuya kwiseli enye yokumelana nesekethe yesekethe yahlukile, kude nepali yebhetri ngenxa yesiqwenga soqhagamshelo. ixesha elide kwaye ukuchasana kukhulu, okukhoyo kuncinci, iqhekeza lokudibanisa liya kwenza iseli enye edityaniswe kwipali iya kuba ngowokuqala ukufikelela kumbane osikiweyo, okukhokelela ekunciphiseni kokusetyenziswa kwamandla, okuchaphazelayo. ukusebenza kwebhetri, kunye nokuguga kweseli enye ngaphambi kwexesha kuya kubangela ukutshaja ngokugqithiseleyo kwebhetri edibeneyo, okubangela ukhuseleko kunye nokhuseleko lwebhetri. Ukuguga kwangoko kweseli enye kuya kukhokelela ekutshajweni ngokugqithisileyo kwebhetri eqhagamshelwe kuyo, okukhokelela kwiingozi ezinokubakho zokhuseleko.
Njengoko inani lemijikelezo yebhetri likhula, liya kubangela ukuchasana kwangaphakathi kwe-ohmic ukunyuka, ukuchithwa kwamandla, kunye nomlinganiselo we-ohmic ukumelana kwangaphakathi kwixabiso lokuchasana leqhekeza lokudibanisa liya kutshintsha. Ukuqinisekisa ukhuseleko lwenkqubo, impembelelo yokuchasana kwesiqwenga sokudibanisa kufuneka siqwalaselwe.
ISekethe yeNgeniso ye-BMS
Inkqubo yokulawula ibhetri (BMS) sisiqinisekiso sokusebenza okuqhelekileyo kweebhetri, kodwa i-BMS input circuit iya kuchaphazela kakubi ukuhambelana kwebhetri. Iindlela zokujongwa kwamandla ombane ebhetri zibandakanya ukuchaneka kwesahluli sombane esichasayo, isampuli yetshiphu ehlanganisiweyo, njl.njl. Ezi ndlela azinakukwazi ukuphepha umgca wesampulu wokuphuma komthwalo ovuzayo ngoku ngenxa yobukho bokumelana neendlela zebhodi yesekethe, kunye nenkqubo yolawulo lwebhetri yesampulu yombane wesampulu yegalelo iya kwandisa Ukungahambelani kwemeko yebhetri yentlawulo (SOC) kwaye kuchaphazela ukusebenza kwebhetri yepakethe.
5. Impazamo yoqikelelo lwe-SOC
Ukungahambelani kwe-SOC kubangelwa kukungahambelani komthamo wokuqala wegama leseli enye kunye nokungahambelani kwesantya sokubola komthamo weseli enye ngexesha lokusebenza. Kwisekethe ehambelanayo, ukuhlukana kokumelana kwangaphakathi kweseli enye kuya kubangela ukusabalalisa ngokungafaniyo kwangoku, okuya kubangela ukungahambelani kwe-SOC. Ii-algorithms ze-SOC ziquka indlela yokuhlanganisa ixesha le-ampere, indlela yamandla ombane evulelekileyo, indlela yokucoca i-Kalman, indlela yenethiwekhi ye-neural, indlela yengqiqo efuzzy, kunye nendlela yovavanyo lokukhupha, njl. njl. Impazamo yoqikelelo lwe-SOC kungenxa yokungangqinelani komthamo wokuqala weseli enye. kunye nokungahambelani kwezinga lokubola kwamandla okuchazwa kwiseli enye ngexesha lokusebenza.
Indlela yokuhlanganiswa kwexesha le-ampere inokuchaneka okungcono xa i-SOC yesimo sokuhlawula isiqalo sichaneke ngakumbi, kodwa ukusebenza kakuhle kweCoulombic kuchaphazeleka kakhulu yimeko yokuhlawula, ubushushu kunye nokukhoyo kwebhetri, okunzima ukulinganiswa ngokuchanekileyo, ngoko ke. kunzima kwindlela yokudibanisa ixesha le-ampere ukuhlangabezana neemfuno ezichanekileyo zoqikelelo lwelizwe lokuhlawuliswa. Indlela ye-voltage evulekileyo emva kwexesha elide lokuphumla, i-voltage evulekileyo yebhetri inebudlelwane obucacileyo obusebenzayo kunye ne-SOC, kwaye ixabiso eliqikelelweyo le-SOC lifunyenwe ngokulinganisa i-terminal voltage. Indlela ye-voltage ye-open-circuit inenzuzo yokuchaneka koqikelelo oluphezulu, kodwa ukungonakali kwexesha elide lokuphumla kunciphisa ukusetyenziswa kwayo.
Indlela yokuphucula ukuhambelana kwebhetri yeSolar yeLithium?
Ukuphucula ukuhambelana kweebhetri ze-lithium zelanga kwinkqubo yokuvelisa:
Ngaphambi kokuveliswa kweepakethi zebhetri ye-lithium yelanga, kuyimfuneko ukuhlenga iibhetri ze-lithium iron phosphate ukuqinisekisa ukuba iiseli zomntu ngamnye kwimodyuli zisebenzisa imilinganiselo efanayo kunye neemodeli, kunye nokuvavanya umbane, umthamo, ukuxhathisa kwangaphakathi, njl. qinisekisa ukuhambelana kokusebenza kokuqala kweepakethi zebhetri ze-lithium zelanga.
Ukulawulwa kokusetyenziswa kunye nenkqubo yokugcinwa
Ukujongwa kwexesha lokwenyani kwebhetri usebenzisa iBMS:Ukujongwa kwexesha lokwenyani kwebhetri ngexesha lenkqubo yokusetyenziswa kunokubonwa ngexesha langempela ukuhambelana kwenkqubo yokusetyenziswa. Zama ukuqinisekisa ukuba ukushisa okusebenzayo kwebhetri ye-lithium yelanga igcinwa ngaphakathi koluhlu olufanelekileyo, kodwa uzame ukuqinisekisa ukuhambelana kweemeko zokushisa phakathi kweebhetri, ukwenzela ukuba uqinisekise ngokufanelekileyo ukuhambelana kokusebenza phakathi kweebhetri.
Yamkela isicwangciso solawulo esifanelekileyo:ukunciphisa ubunzulu bokukhutshwa kwebhetri kangangoko kunokwenzeka xa amandla okukhutshwa avunyelwe, kwi-BSLBATT, iibhetri zethu ze-lithium zelanga zihlala zisetelwe kubunzulu bokukhutshwa obungekho ngaphezu kwe-90%. Kwangaxeshanye, ukunqanda ukutshaja kakhulu kwebhetri kunokwandisa ubomi bomjikelo wepakethi yebhetri. Yomeleza ugcino lwebhetri. Tshaja ipakethi yebhetri ngolondolozo oluncinci lwangoku ngamaxesha athile, kwaye uhlawule ingqalelo ekucoceni.
Isiphelo Sokugqibela
Izizathu zokungahambelani kwebhetri ikakhulu kwimiba emibini yokwenziwa kunye nokusetyenziswa kwebhetri, ukungahambelani kweepakethe zebhetri ye-Li-ion kudla ngokubangela ukuba ibhetri yokugcina amandla ibe nokuthotywa komthamo okhawulezayo kunye nobomi obufutshane ngexesha lenkqubo yokukhwela ibhayisekile, ngoko ke kakhulu. kubalulekile ukuqinisekisa ukuhambelana kweebhetri ze-lithium zelanga.
Ngokufanayo, kubaluleke kakhulu ukukhetha abavelisi beebhetri zelanga ze-lithium kunye nababoneleli,BSLBATTiya kuvavanya i-voltage, umthamo, ukuchasana kwangaphakathi kunye neminye imiba yebhetri ye-LiFePO4 nganye ngaphambi kwemveliso nganye, kwaye ugcine ibhetri ye-lithium yelanga kunye nokuhambelana okuphezulu ngokuyilawula kwinkqubo yokuvelisa. Ukuba unomdla kwiimveliso zethu zokugcina amandla, qhagamshelana nathi ngexabiso elingcono lomthengisi.
Ixesha lokuposa: Sep-03-2024