Amadivayisi okuqapha akude adinga amabhethri asebenza kahle kakhulu ngenxa yezimo zawo zokusebenza ezihlukile kanye nezidingo zokusebenza. Lawa madivayisi ngokuvamile adinga izikhathi ezinwetshiwe zamandla angaphazamiseki, ngezinye izikhathi ezithatha unyaka noma ngaphezulu. Amabhethri e-lithium-ion athandwa kakhulu ngenxa yamandla kagesi aphezulu, usayizi ohlangene, imvelo engasindi, ukuminyana kwamandla okuhlaba umxhwele, ukuntuleka komphumela wenkumbulo, ubungane bemvelo, ukuzikhipha okuncane, nempilo yomjikelezo omude. Uma kuqhathaniswa namabhethri e-nickel-metal hydride,amabhethri e-lithium-ionzilula ngo-30% kuya ku-40% futhi ziziqhayisa ngesilinganiso samandla esiphezulu esingu-60%.
Kodwa-ke, amabhethri e-lithium anesabelo sawo esifanele sezinkinga, ikakhulukazi azungeza izici ezimbili ezibalulekile:
Ukuphepha
Amabhethri e-lithium ahlotshaniswa nokukhathazeka kokuphepha, ngezinye izikhathi okuholela ekuqhumeni nokunye ukukhubazeka. Ikakhulukazi, amabhethri e-lithium cobalt oxide, avame ukusetshenziswa njengento enhle ye-electrode, abonisa ukuphepha okungalungile lapho engaphansi kokukhishwa okukhulu kwamanje. Ngaphezu kwalokho, cishe zonke izinhlobo zamabhethri e-lithium ziba nomonakalo ongalungiseki lapho eshajwe ngokweqile noma ekhishwa kakhulu. Amabhethri e-lithium azwela kakhulu izinga lokushisa, amazinga okushisa aphezulu abangela ukuwohloka kwe-electrolyte, ukusha, noma ngisho nokuqhuma, kuyilapho amazinga okushisa aphansi ehlisa ukusebenza kwawo, athinta ukusebenza kwedivayisi. Ngenxa yokuhluka kokukhiqizwa, ukumelana kwangaphakathi kweseli ngalinye nomthamo kuyahluka. Uma amaseli amaningi exhunywe ochungechungeni, lokhu kuholela ekushajeni okungahambisani namazinga okukhishwa, okunciphisa ukusetshenziswa komthamo webhethri kukonke. Ngenxa yalokho, amabhethri e-lithium ngokuvamile adinga amasistimu okuvikela akhethekile ukuze aqaphe impilo yawo futhi alawule ukusetshenziswa kwawo ngempumelelo.
Ukugcineka
Ukungagcinwa kahle kwamandla kanye nobunzima bokubikezela amazinga ebhethri emazingeni okushisa aphansi kunciphisa ukugcinwa kwamadivayisi anikwa amandla amabhethri e-lithium. Amathuluzi aku-inthanethi esikhathi eside adinga ukushintshwa kwebhethri njalo, ngokuvamile ezindaweni ezikude, okuholela ekusebenzeni okukhulu nezindleko eziphezulu. Ukuze kwehliswe imithwalo yokulungisa nokunciphisa izindleko, isistimu yokuphatha ibhethri kufanele ilinganisele ngokunembile isimo sokushajwa, ivumele ukushintshwa kwebhethri okufika ngesikhathi nokunenjongo. Ukwengeza, ukusebenzisa amandla okuzenzela okuphansi ohlelweni lokuphatha ibhethri kubalulekile ukuze kwehliswe imvamisa yokulungisa nokwelula impilo yebhethri. Ngakho-ke, kumathuluzi okuqapha okukude adinga ukuhlinzekwa kwamandla okude, isistimu yokuphatha ibhethri edizayinwe kahle idlala indima ebalulekile ekunakekeleni idivayisi.
Kodwa-ke, ukuvumelanisa izici zokusebenza zamathuluzi okuqapha akude nezici zemvelo zamabhethri e-lithium kubangela izinselele ezinkulu. Ziningana izici ezinomthelela kulobu bunzima:
Okokuqala, amathuluzi okuqapha okukude ngokuvamile ashintshana phakathi kwezikhathi zokulala nokuvuka ukuze onge amandla. Amaza okusebenza azo ayahlukahluka ngokushintshashintshayo, kanti izigaba zokuvuka zidinga amazinga amanje aphezulu kakhulu kunezimo zokulala, kodwa lezi zigaba zokuvuka zifushane kakhulu.
Okwesibili, amajika okukhishwa kwebhethri ye-lithium ayisicaba ngokuphawulekayo, futhi iningi lamandla ligxile ngaphezu kwamazinga kagesi angu-3.6V. Ngakho-ke, amathuluzi akude awakwazi ukuthembela kugesi webhethri ukuze anikeze izexwayiso zebhethri eliphansi.
Okokugcina, Izilinganiso zokuzikhipha kwebhethri ye-lithium ziyashintshashintsha kakhulu ngokuhlukahluka kwezinga lokushisa. Izinsimbi ezisebenza ngaphandle zichayeka kuzimo zokushisa ezeqisayo, okuqhubeka kube nzima ukuqagela izinga lebhethri elinembile. Amasistimu okuphatha amabhethri akhona alwela ukuhlangabezana nalezi zidingo zokusebenza nokusebenza.
Sengiphetha, ukuthuthukiswa kwezinhlelo zokuphatha ibhethri ezenzelwe ukuhlangabezana nezidingo ezithile zamathuluzi okuqapha akude, uma kubhekwa izici zawo zokusebenza ezihlukile nezinselele ezivezwa amabhethri e-lithium, kusewumsebenzi owesabekayo.
I-Kelan New Energy iyifekthri esebenza ngokukhethekile ekukhiqizeni iBanga A I-LiFePO4 kanye ne-LiMn2O4 yesikhwama samaseli e-China. Amaphakethe ethu ebhethri avame ukusetshenziswa ezinhlelweni zokugcina amandla, olwandle, i-RV nekalishi yegalofu. Izinsizakalo ze-OEM ne-ODM nazo zihlinzekwa yithi. Ungasithola ngokusebenzisa izindlela zokuxhumana ezilandelayo:
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