Ibhethri ye-lithium ene-voltage ephezuluibhethri eligcina amandla elibona ukuphuma kwe-DC enevoltheji ephezulu yesistimu ngokuxhuma amabhethri amaningi ngochungechunge. Ngokukhula kwesidingo samandla avuselelekayo, kanye nokugxila kwabantu ekuguquleni okuphephile nokusebenza kahle kwezinhlelo zamandla elanga, amabhethri e-lithium ane-voltage ephezulu abe esinye sezixazululo ezithandwa kakhulu zokugcina amandla emakethe.
Ngo-2024, ukuthambekela kwesistimu yokugcina indawo yokuhlala ene-voltage ephezulu kusobala, inani labakhiqizi bebhethri yokugcina amandla kanye nemikhiqizo yethule amabhethri elanga e-lithium anamandla amakhulu, lawa mabhethri awagcini nje ngomthamo, impilo yomjikelezo nezinye izici zebhethri. ukuphumelela okubalulekile, kodwa futhi ekuphepheni nasekuphatheni okukhaliphile kuyaqhubeka nokuba ngcono. Kulesi sihloko, sizokunikeza ukubuka kabanzi kwamanye amabhethri e-lithium avelele kakhulu ngo-2024, ukukusiza ukuthi ukhethe kangconoibhethri lasekhayaisistimu yokusekelayo evumelana kangcono nezidingo zakho.
Okujwayelekile 1: Amandla Ebhethri Awusizo
Umthamo webhethri owusizo usho inani lamandla ongalishaja ebhethrini ukuze lisetshenziswe kamuva ekhaya. Ngo-2024 siqhathanisa amabhethri e-lithium ane-voltage ephezulu, isistimu yokugcina enikeza umthamo osebenziseka kakhulu ibhethri le-Sungrow SBH elino-40kWh, lilandelwa eduzeI-BSLBATT MatchBox HVSibhethri enamandla angu-37.28kWh.
Izinga lesi-2: Amandla
Amandla inani likagesi elingalethwa ibhethri lakho le-Li-ion nganoma yisiphi isikhathi; kukalwa ngama-kilowatts (kW). Ngokwazi amandla, ungakwazi ukwazi inani lamadivayisi kagesi ongawaxhuma nganoma yisiphi isikhathi. Ekuqhathanisweni kwebhethri le-lithium-ion le-2024 high-voltage, i-BSLBATT MatchBox HVS iphinde igqame ku-18.64 kW, ngaphezu kokuphindwe kabili kuneHuawei Luna 2000, kanye ne-BSLBATT MatchBox HVS ingafinyelela amandla aphezulu angu-40 kW ngama-5s. .
Izinga lesi-3: Ukusebenza kahle kohambo olubuyayo
Ukusebenza kahle kohambo olubuyayo kubhekisela esilinganisweni phakathi kwenani lamandla owadingayo ukuze ushaje ibhethri kanye nenani lamandla atholakalayo lapho ulikhipha. Ngakho-ke kubizwa ngokuthi “uhambo olubuyayo (ukuya kubhethri) nokubuya (kusuka kubhethri) ukusebenza kahle”. Umehluko phakathi kwala mapharamitha amabili ungenxa yokuthi kuhlale kukhona ukulahleka kwamandla ekuguquleni amandla asuka ku-DC aye ku-AC futhi ngokuphambene nalokho; lapho ukulahlekelwa kuncipha, ibhethri ye-Li-ion izosebenza kahle kakhulu. Esiqhathaniseni sethu sango-2024 samabhethri e-lithium ane-voltage ephezulu, i-BSLBATT MatchBOX ne-BYD HVS zikleliswe kuqala ngokusebenza kahle okungu-96%, kulandele i-Fox ESS ESC kanye ne-Sungrow SPH ngo-95%.
Izinga lesi-4: Ukuminyana kwamandla
Ngokuvamile, ukukhanya kwebhethri kanye nesikhala esincane esithathayo, kuba ngcono, kuyilapho igcina umthamo ofanayo. Kodwa-ke, amabhethri amaningi e-LiPoPO4 aphezulu kakhulu ahlukaniswe ngamamojula ubukhulu bayo nesisindo esingaphathwa kalula ngabantu ababili; noma kwezinye izimo ngisho nomuntu oyedwa.
Ngakho-ke lapha siqhathanisa ikakhulukazi ukuminyana kwamandla omkhiqizo ngamunye webhethri le-lithium ephezulu, ukuminyana kwamandla ebhethri kubhekisela emandleni ebhethri okugcina amandla (owaziwa nangokuthi amandla athile), okuyisilinganiso samandla ewonke agcinwe ibhethri kusisindo sayo sengqikithi, okungukuthi, Wh/kg, ebonisa usayizi wamandla anganikezwa ngeyunithi ngayinye yesisindo sebhethri.Ifomula yokubala: ukuminyana kwamandla (wh/Kg) = (umthamo * voltage) / mass = (Ah * V)/kg.
Ukuminyana kwamandla kusetshenziswa njengepharamitha ebalulekile yokukala ukusebenza kwamabhethri. Ngokuvamile, amabhethri e-lithium-voltage aphezulu anamandla amakhulu ayakwazi ukugcina amandla amaningi ngaphansi kwesisindo esifanayo noma ivolumu, ngaleyo ndlela anikeze isikhathi eside sokusebenza noma ububanzi bemishini. Ngokubala nokuqhathanisa, sithole ukuthi i-Sungrow SBH ine-sungrow high energy density engu-106Wh/kg, ilandelwa yi-BSLBATT MacthBox HVS, ephinde ibe nokuminyana kwamandla okungu-100.25Wh/kg.
Izinga lesi-5: Ukukala
Ukukhula kwesistimu yakho yokugcina amandla kukuvumela ukuthi ukhuphule umthamo webhethri lakho le-Li-ion ngamamojula amasha ngaphandle kokuphazamiseka lapho isidingo sakho samandla sikhula. Ngakho-ke, kubalulekile ukwazi ukuthi isistimu yakho yokugcina inganwetshwa ibe yimuphi umthamo esikhathini esizayo.
Uma kuqhathaniswa namabhethri e-lithium angu-voltage aphezulu ngo-2024, i-BSLBATT MatchBox HVS inikeza ukuguquguquka okukhulu kakhulu mayelana nomthamo ongakala, ofika ku-191.4 kWh, ilandelwa yi-Sungrow SBH enamandla okukala angu-160kWh.
Lokhu, uma kubhekwa ukuthi sicabangela amabhethri angaxhunywa ku-inverter eyodwa. Kodwa-ke, kubalulekile ukuqaphela ukuthi abakhiqizi abaningi bebhethri bavumela ama-inverter amaningi ukuthi afakwe ngokuhambisana, ngaleyo ndlela futhi andise umthamo wesitoreji esiphelele sesistimu yokugcina amandla.
Okujwayelekile 6: Ikhophi yasenqolobaneni kanye nezinhlelo zokusebenza ezingaphandle kwegridi
Ezikhathini zokuntengantenga kwamandla kanye nosongo lokunqamuka kukagesi emhlabeni wonke, abantu abaningi ngokwengeziwe bafuna imishini yabo ikwazi ukubhekana nezenzakalo ezingalindelekile. Ngakho-ke, ukuba nezinhlelo zokusebenza ezifana nokuphuma kwamandla ezimeni eziphuthumayo noma ukwenza ikhophi yasenqolobaneni, noma amandla okusebenza ngaphandle kwegridi uma kwenzeka ukucima kukagesi, kuyisici esibaluleke kakhulu.
Esiqhathanisweni sethu sango-2024 samabhethri e-lithium ane-voltage ephezulu, wonke anemiphumela ephuthumayo noma eyisipele, futhi Iyakwazi nokusekela ukusebenza okuxhumeke kugridi noma ngaphandle kwegridi.
Izinga lesi-7: Izinga Lokuvikela
Abakhiqizi bezinhlelo zokugcina amandla badalula imikhiqizo yabo ohlotsheni lokuhlolwa ukuze babonise ukuvikelwa kwabo ezinhlobonhlobo zezici zemvelo.
Isibonelo, ekuqhathanisweni kwethu kwango-2023 kwamabhethri e-lithium ane-voltage ephezulu, amathathu (BYD, Sungrow, ne-LG) aneleveli yokuvikela ye-IP55, kanti i-BSLBATT ineleveli yokuvikela ye-IP54; lokhu kusho ukuthi, nakuba kungenamanzi, uthuli alukwazi ukuphazamisa ukusebenza kahle kocingo futhi luvikela emanzini ngomfutho othize; lokhu kuvumela ukuthi zifakwe ngaphakathi kwendlu noma egaraji noma ishede.
Ibhethri eligqamayo kulo mbandela iHuawei Luna 2000, enesilinganiso sokuvikela se-IP66, okuyenza ingangenwa uthuli namajethi amanzi anamandla.
Izinga lesi-8: Iwaranti
Iwaranti iyindlela yokuthi umenzi abonise ukuthi uyawethemba umkhiqizo wakhe, futhi ingasinika imikhondo mayelana nekhwalithi yayo. Kulokhu, ngaphezu kweminyaka yewaranti, kubalulekile ukuqaphela ukuthi ibhethri izosebenza kahle kangakanani ngemva kwaleyo minyaka.
Esiqhathanisweni sethu sango-2024 samabhethri e-lithium ane-voltage ephezulu, wonke amamodeli anikeza iwaranti yeminyaka eyi-10. Kodwa, i-LG ESS Flex, igqame phakathi kwabanye, ihlinzeka ngokusebenza okungu-70% ngemva kweminyaka eyi-10; 10% ngaphezu kwezimbangi zabo.
I-Fox ESS ne-Sungrow, ngakolunye uhlangothi, abakakakhiphi amanani athile we-EOL emikhiqizweni yabo.
Funda Okwengeziwe: Ibhethri Lamandla Kagesi Ephezulu (HV) Vs. Ibhethri Lamandla Aphansi (LV).
Imibuzo Evame Ukubuzwa Ngamabhethri E-Lithium Amandla Aphezulu
Iyini ibhethri ye-lithium ephezulu ye-voltage?
Amasistimu ebhethri ane-voltage ephezulu ngokuvamile anevoltheji elinganiselwe engaphezu kuka-100V futhi ingaxhunywa ochungechungeni ukuze kukhuliswe amandla kagesi namandla. Njengamanje, i-voltage ephezulu yamabhethri e-lithium aphezulu asetshenziselwa indawo yokugcina amandla ayidluli i-800 V. Amabhethri anamandla aphezulu ngokuvamile alawulwa ngesakhiwo se-master-slave enebhokisi elihlukile lokulawula amandla kagesi aphezulu.
Yiziphi izinzuzo ze-high voltage lithium battery?
Ngakolunye uhlangothi, isistimu yokugcina amandla yasekhaya ene-voltage ephezulu uma iqhathaniswa ne-low-voltage ephephile, ezinzile, nesistimu esebenza kahle kakhulu. I-hybrid inverter circuit topology ngaphansi kwesistimu ye-voltage ephezulu yenziwa lula, enciphisa usayizi nesisindo, futhi yehlise izinga lokuhluleka.
Ngakolunye uhlangothi, uma usebenzisa amabhethri omthamo ofanayo, ibhethri yamanje yesistimu yokugcina amandla kagesi aphezulu iphansi, okubangela ukuphazamiseka okuncane ohlelweni futhi kunciphise ukulahlekelwa kwamandla ngenxa yokwanda kwezinga lokushisa okubangelwa amandla amanje aphezulu.
Ingabe amabhethri e-lithium ane-voltage ephezulu aphephile?
Amabhethri e-lithium ane-voltage ephezulu asetshenziselwa ukugcina amandla okuhlala ngokuvamile afakwe uhlelo oluthuthukisiwe lokuphatha ibhethri (i-BMS) oluqapha izinga lokushisa, i-voltage kanye namandla ebhethri ukuze kuqinisekiswe ukuthi ibhethri lisebenza ngaphakathi kwemikhawulo ephephile. Nakuba amabhethri e-lithium ake aba into ekhathazayo ngokuphepha ezinsukwini zakuqala ngenxa yezinkinga ezishisayo, amabhethri e-lithium anamandla anamuhla athuthukisa kakhulu ukuphepha kwesistimu ngokwandisa i-voltage kanye nokunciphisa amandla amanje.
Ngingangikhethela kanjani ibhethri le-lithium eline-voltage ephezulu?
Lapho ukhetha ibhethri ye-lithium enamandla kakhulu, kufanele kucatshangelwe izici ezilandelayo: izidingo ze-voltage yesistimu, izidingo zomthamo, ukuphuma kwamandla okubekezeleleka, ukusebenza kokuphepha kanye nesithunzi somkhiqizo. Kubaluleke kakhulu ukukhetha uhlobo lwebhethri olulungile kanye nokucaciswa ngokuhambisana nezidingo zohlelo oluthile.
Zithini izindleko zamabhethri e-lithium aphezulu?
Amabhethri elanga ane-voltage ephezulu azoba nezindleko ezinkulu kunamaseli elanga asetshenziswa kakhulu amandla aphansi asetshenziswa njengamanje ngenxa yezidingo eziphakeme zokungaguquguquki kwamaseli kanye nekhono lokuphatha i-BMS, umkhawulo wobuchwepheshe obuphezulu uma kuqhathaniswa, kanye neqiniso lokuthi uhlelo lusebenzisa izingxenye eziningi.
Isikhathi sokuthumela: May-08-2024