Njengoko imfazwe phakathi kweRussia ne-Ukraine isanda, iinkqubo zokugcina amandla e-PV zasekhaya ziphinde zabekwa kwindawo yenkululeko yamandla, kwaye ukukhetha ukuba yeyiphi ibhetri engcono kwinkqubo yakho yePV ibe yenye yezona ntloko zinkulu kubathengi. Njengomvelisi okhokelayo webhetri ye-lithium e-China, sincomaIbhetri yeLithium yeSolarkwikhaya lakho. Iibhetri zeLithium (okanye iibhetri ze-Li-ion) sesinye sezona zisombululo zanamhlanje zokugcina amandla kwiinkqubo zePV. Ngoxinano lwamandla olungcono, ubomi obude, ixabiso eliphezulu kumjikelo ngamnye kunye nezinye iingenelo ezininzi ngaphezu kweebhetri zeasidi ezihlala zihleli, ezi zixhobo ziya zixhaphaka ngakumbi kwi-off-grid kunye ne-hybrid solar systems. Iintlobo zokuGcina ibhetri ngokuJonga nje Kutheni ukhetha i-Lithium njengesisombululo sokugcina amandla ekhaya? Hayi ngokukhawuleza, okokuqala makhe sihlolisise ukuba zeziphi iintlobo zeebhetri zokugcina amandla ezikhoyo. Iibhetri zeSolar zeLithium-ion Ukusetyenziswa kwe-lithium ion okanye iibhetri ze-lithium zikhule kakhulu kwiminyaka yamuva. Banikezela ngezibonelelo ezibalulekileyo kunye nophuculo ngaphezu kwezinye iindlela zobuchwepheshe bebhetri. Iibhetri zelanga zeLithium-ion zinika uxinano lwamandla aphezulu, zomelele kwaye zifuna ukulungiswa okuncinci. Ukongeza, amandla abo ahlala engatshintshi nasemva kwexesha elide lokusebenza. Iibhetri zeLithium zinobomi obufikelela kwiminyaka engama-20. Ezi bhetri zigcina phakathi kwe-80% kunye ne-90% yomthamo wazo osebenzisekayo. Iibhetri zeLithium zenze umtsi omkhulu wetekhnoloji kwinani lamashishini, kubandakanya iiselfowuni kunye neelaptops, iimoto zombane kunye neenqwelomoya ezinkulu zorhwebo, kwaye ziya zisibaluleka ngakumbi kwintengiso yelanga ye-photovoltaic. Khokela iibhetri zeSolar zeGel Kwelinye icala, iibhetri zejeli yelothe zinama-50 kuphela ukuya kuma-60 ekhulwini omthamo wazo onokusetyenziswa. Iibhetri ze-lead-acid nazo azikwazi ukukhuphisana neebhetri ze-lithium ngokobomi bobomi. Ngokwesiqhelo kufuneka uzitshintshe malunga neminyaka eyi-10. Kwinkqubo ene-20-year-lifespan, oko kuthetha ukuba kufuneka utyale kabini kwiibhetri zenkqubo yokugcina phezu kweebhetri ze-lithium ngexesha elifanayo. Iibhetri zeSolar zeLead-acid Abangaphambili bebhetri ye-lead-gel ziibhetri ze-lead-acid. Azibizi kakhulu kwaye zinobugcisa obuqolileyo nobunamandla. Nangona baye babonisa ukubaluleka kwabo ngaphezu kweminyaka eyi-100 njengeebhetri zemoto okanye eziphuthumayo, abanako ukukhuphisana neebhetri ze-lithium. Ngapha koko, ukusebenza kwawo ngama-80 ekhulwini. Nangona kunjalo, banobomi benkonzo obufutshane malunga ne-5 ukuya kwi-7 iminyaka. Ubuninzi babo bamandla buphantsi kuneebhetri ze-lithium-ion. Ngokukodwa xa usebenzisa iibhetri zelothe endala, kunokwenzeka ukuba kuvele irhasi yeoxyhydrogen eqhumayo ukuba igumbi lofakelo aliphefumlelwanga kakuhle. Nangona kunjalo, iinkqubo ezintsha zikhuselekile ukusebenza. Iibhetri zokuHamba kweRedox Zifaneleke kakhulu ukugcina umbane omkhulu owenziwe ngokutsha usebenzisa i-photovoltaics. Imimandla yesicelo seebhetri zokuhamba kwe-redox ngoko okwangoku azikho izakhiwo zokuhlala okanye izithuthi zombane, kodwa zorhwebo kunye nezoshishino, ezihambelana nokuba zisabiza kakhulu. Iibhetri ezihamba ngeRedox ziyinto efana neeseli zamafutha eziphinda zitshajwe. Ngokungafaniyo neebhetri ze-lithium-ion kunye ne-lead-acid, indawo yokugcina ayigcinwanga ngaphakathi kwebhetri kodwa ngaphandle. Izisombululo ezibini ze-electrolyte zolwelo zisebenza njengendawo yokugcina. Izisombululo ze-electrolyte zigcinwe kwiitanki zangaphandle ezilula kakhulu. Zimponjwa kuphela kwiiseli zebhetri ukuze zitshajwe okanye zikhutshwe. Inzuzo apha kukuba akusiyo ubungakanani bebhetri kodwa ubukhulu beetanki obumisela umthamo wokugcina. I-Brine Storubudala I-Manganese oxide, i-carbon activated, ikotoni kunye ne-brine zizinto zolu hlobo lokugcina. I-manganese oxide ifumaneka kwi-cathode kunye nekhabhoni esebenzayo kwi-anode. I-cotton cellulose idla ngokusetyenziswa njenge-separator kunye ne-brine njenge-electrolyte. Ukugcinwa kwe-brine akuqukethe nayiphi na into enobungozi kwindalo, yintoni eyenza ibe yinto enomdla kakhulu. Nangona kunjalo, xa kuthelekiswa - i-voltage yeebhetri ze-lithium-ion 3.7V - 1.23V isephantsi kakhulu. IHydrojeni njengoGcino lwaMandla Inzuzo eqinisekileyo apha kukuba ungasebenzisa intsalela yamandla elanga eyenziwe ehlotyeni ebusika kuphela. Indawo yesicelo sokugcinwa kwe-hydrogen ikakhulu kwindawo ephakathi kunye nexesha elide lokugcina umbane. Nangona kunjalo, obu buchwephesha bokugcina busebuncinaneni bayo. Ngenxa yokuba umbane oguqulelwa kwindawo yokugcina ihydrogen kufuneka uguqulwe ukusuka kwihydrogen ukuya kumbane kwakhona xa kufuneka, amandla ayalahleka. Ngenxa yesi sizathu, ukusebenza kakuhle kweenkqubo zokugcina kuphela malunga ne-40%. Ukudibanisa kwinkqubo ye-photovoltaic nayo inzima kakhulu kwaye ngoko ixabisa kakhulu. I-electrolyzer, i-compressor, itanki ye-hydrogen kunye nebhetri yokugcina ixesha elifutshane kwaye ngokuqinisekileyo i-fuel cell iyafuneka. Kukho inani lababoneleli ababonelela ngeenkqubo ezipheleleyo. I-LiFePO4 (okanye i-LFP) Iibhetri ziSicombululo eSilungileyo soGcino lwaMandla kwiiNkqubo zokuHlala zePV LiFePO4 & noKhuseleko Nangona iibhetri ze-lead-acid ziye zanika iibhetri ze-lithium ithuba lokukhokela ngenxa yesidingo sabo esiqhubekayo sokuzalisa i-asidi kunye nongcoliseko lwendalo, iibhetri ze-lithium-free ze-lithium phosphate (LiFePO4) ziyaziwa ngokhuseleko lwazo oluqinileyo, umphumo wokuzinza kakhulu. ukwakheka kweekhemikhali. Abaqhumi okanye babambe umlilo xa bephantsi kweziganeko ezinobungozi ezifana nokungqubana okanye iisekethe ezimfutshane, ukunciphisa kakhulu amathuba okwenzakala. Ngokumalunga neebhetri ze-lead-acid, wonke umntu uyazi ukuba ubunzulu babo bokukhutshwa bungama-50% kuphela amandla akhoyo, ngokungafaniyo neebhetri ze-lead-acid, iibhetri ze-lithium iron phosphate ziyafumaneka kwi-100% yomthamo wazo olinganisiweyo. Xa uthatha ibhetri ye-100Ah, ungasebenzisa i-30Ah ukuya kwi-50Ah yeebhetri ze-lead-acid, ngelixa iibhetri ze-lithium iron phosphate ziyi-100Ah. Kodwa ukuze kwandiswe ubomi beeseli zelanga ze-lithium iron phosphate solar, ngokuqhelekileyo sincoma ukuba abathengi balandele ukukhutshwa kwe-80% kubomi bemihla ngemihla, obunokwenza ubomi bebhetri bube ngaphezu kwemijikelezo ye-8000. Uluhlu olubanzi lobushushu Zombini iibhetri ze-lead-acid zelanga kunye ne-lithium-ion iibhanki zebhetri zelanga zilahlekelwa ngumthamo kwiindawo ezibandayo. Ukulahlekelwa kwamandla kunye neebhetri ze-LiFePO4 zincinci. Isenayo i-80% umthamo ku -20?C, xa kuthelekiswa ne-30% kunye neeseli zeAGM. Ke kwiindawo ezininzi apho kubanda kakhulu okanye kushushu kakhulu,Iibhetri zelanga zeLiFePO4lolona khetho lungcono. Ukuxinana kwamandla aphezulu Xa kuthelekiswa neebhetri ze-lead-asidi, iibhetri ze-lithium iron phosphate ziphantse zibe lula ngokuphindwe kane, ngoko ke zinamandla amakhulu e-electrochemical kwaye zinokunika uxinano olukhulu lwamandla ngobunzima beyunithi nganye-ukubonelela ukuya kuthi ga kwiiyure ezingama-150 zewatt (Wh) zamandla ngekhilogram (kg ) xa kuthelekiswa ne-25Wh/kg yeebhetri eziqhelekileyo ezimileyo ze-lead-asidi. Kwizicelo ezininzi zelanga, oku kunika izibonelelo ezibalulekileyo ngokweendleko zokufakela ezisezantsi kunye nokuphunyezwa kweprojekthi ngokukhawuleza. Enye inzuzo ebalulekileyo kukuba iibhetri ze-Li-ion azikho phantsi kwento ebizwa ngokuba yi-memory effect, enokuthi yenzeke kunye nezinye iintlobo zeebhetri xa kukho ukuhla ngokukhawuleza kwebhetri yebhetri kwaye isixhobo siqala ukusebenza ekukhutshweni okulandelayo kunye nokunciphisa ukusebenza. Ngamanye amazwi, sinokuthi iibhetri ze-Li-ion "azikho umlutha" kwaye aziyifaki ingozi "yomlutha" (ukulahlekelwa kokusebenza ngenxa yokusetyenziswa kwayo). Izicelo zebhetri yeLithium kwiKhaya leSolar Energy Inkqubo yamandla elanga yasekhaya inokusebenzisa ibhetri enye kuphela okanye iibhetri ezininzi ezinxulumene nothotho kunye/okanye ngokufana (ibhanki yebhetri), kuxhomekeke kwiimfuno zakho. Iindidi ezimbini zeenkqubo ezinokusebenzisaiibhanki zebhetri ze-lithium-ion zelanga: Vala igridi (yodwa, ngaphandle koqhagamshelo kwigridi) kunye neHybrid On+Off Grid (iqhagamshelwe kwigridi kunye neebhetri). Kwi-Off Grid, umbane oveliswa ziipaneli zelanga ugcinwa ziibhetri kwaye zisetyenziswe yinkqubo ngemizuzu ngaphandle kokuveliswa kwamandla elanga (ebusuku okanye ngeentsuku ezinamafu). Ngaloo ndlela, ukubonelelwa kuqinisekiswa ngamaxesha onke emini. Kwiinkqubo zeHybrid On + Off Grid, ibhetri yelanga ye-lithium ibalulekile njenge-backup. Ngebhanki yeebhetri zelanga, kunokwenzeka ukuba ube namandla ombane nangona kukho ukuphuma kwamandla, ukwandisa ukuzimela kwenkqubo. Ukongezelela, ibhetri inokusebenza njengomthombo owongezelelweyo wamandla ukuncedisa okanye ukunciphisa ukusetyenziswa kwamandla kwigridi. Ngaloo ndlela, kunokwenzeka ukwandisa ukusetyenziswa kwamandla ngamaxesha emfuno ephezulu okanye ngamaxesha xa intlawulo iphezulu kakhulu. Jonga usetyenziso olunokwenzeka ngezi ntlobo zeenkqubo ezibandakanya iibhetri zelanga: UkuJonga iRemote okanye iiNkqubo zeTelemetry; Ukufakelwa kombane ngocingo – ukufakelwa kombane emaphandleni; Izisombululo zelanga kwizibane zoluntu, ezifana nezibane zesitrato kunye nezibane zendlela; Ukufakelwa kombane emaphandleni okanye izibane zasemaphandleni kwiindawo ezikwanti; Ukunika amandla iinkqubo zekhamera ngamandla elanga; Izithuthi zokuzonwabisa, iimotorhomes, iitreyila, kunye neeveni; Amandla kwiziza zokwakha; Ukunika amandla iinkqubo ze-telecom; Ukunika amandla izixhobo ezizimeleyo ngokubanzi; Amandla elanga okuhlala (kwizindlu, amagumbi, kunye neekhondom); Amandla elanga okuqhuba izixhobo kunye nezixhobo ezifana nezipholile-moya kunye neefriji; I-Solar UPS (inika amandla kwinkqubo xa kukho ukuphuma kombane, ukugcina izixhobo zokusebenza kunye nokukhusela izixhobo); Ijeneretha yokugcina (inika amandla kwinkqubo xa kukho ukuphuma kombane okanye ngamaxesha athile); “Ukuchetywa kwePeak – ukunciphisa ukusetyenziswa kwamandla ngamaxesha okufunwa kakhulu; Ulawulo lokuSetyenziswa ngamaxesha athile, ukunciphisa usetyenziso ngamaxesha amaxabiso aphezulu, umzekelo. Phakathi kwezinye izicelo ezininzi.
Ixesha lokuposa: May-08-2024