Umbiko kaTesla ka-2021 Q3 umemezele ukushintshela kumabhethri e-LiFePO4 njengezinga elisha ezimotweni zawo.Kodwa ayini ngempela amabhethri e-LiFePO4?
E-NEW YORK, NEW YORK, USA, May 26, 2022 /EINPresswire.com/ — Ingabe angenye indlela engcono kumabhethri e-Li-Ion?Lawa mabhethri ahluke kanjani kwamanye amabhethri?
Isingeniso samabhethri e-LiFePO4
Ibhethri ye-lithium iron phosphate (LFP) ibhethri le-lithium-ion elinamazinga asheshayo okushaja nokukhipha.Ibhethri elishajekayo eline-LiFePO4 njenge-cathode kanye ne-graphic carbon electrode ene-metallic backing njenge-anode.
Amabhethri e-LiFePO4 anomthamo wamandla ophansi kunamabhethri e-lithium-ion kanye nama-voltage aphansi okusebenza.Anezinga eliphansi lokukhishwa elinamajika ayisicaba futhi aphephile kune-Li-ion.Lawa mabhethri aziwa nangokuthi amabhethri e-lithium ferrophosphate.
Ukusungulwa kwamabhethri e-LiFePO4
Amabhethri e-LiFePO4zasungulwa nguJohn B. Goodenough kanye no-Arumugam Manthiram.Babephakathi kwabokuqala ukuhlonza izinto ezisetshenziswa kumabhethri e-lithium-ion.Izinto ze-anode azilungele amabhethri e-lithium-ion ngenxa yokuthambekela kwawo kokushesha kwe-circuiting.
Ososayensi bathola ukuthi izinto ze-cathode zingcono uma ziqhathaniswa ne-lithium-ion battery cathodes.Lokhu kubonakala ikakhulukazi ezinhlobonhlobo zebhethri le-LiFePO4.Bathuthukisa ukuzinza kanye ne-conductivity futhi bathuthukise ezinye izici ezihlukahlukene.
Kulezi zinsuku, amabhethri e-LiFePO4 atholakala yonke indawo futhi anezinhlelo zokusebenza ezihlukahlukene, okuhlanganisa ukusetshenziswa ezikebheni, amasistimu elanga, nasezimotweni.Amabhethri e-LiFePO4 awanayo i-cobalt futhi ayabiza kakhulu kunezinye izindlela eziningi.Ayinabo ubuthi futhi iphila isikhathi eside.
Ukucaciswa kwebhethri ye-LFP
Umthombo
Umsebenzi Wezinhlelo Zokuphatha Ibhethri Kumabhethri e-LFP
Amabhethri e-LFP akhiwe ngaphezu kwamaseli axhunyiwe;banesistimu eqinisekisa ukuthi ibhethri lihlala ngaphakathi kwemikhawulo ephephile.Isistimu yokuphatha ibhethri (BMS) ivikela, ilawule, futhi igade ibhethri ngaphansi kwezimo zokusebenza ukuze kuqinisekiswe ukuphepha kanye nokwelula impilo yebhethri.
Umsebenzi Wezinhlelo Zokuphatha Ibhethri Kumabhethri e-LFP
Naphezu kweqiniso lokuthi amaseli e-lithium iron phosphate abekezelela kakhudlwana, nokho athambekele ekukhuleni ngokweqile ngesikhathi sokushaja, okunciphisa ukusebenza.Izinto ezisetshenziselwa i-cathode zingase ziwohloke futhi zilahlekelwe ukuzinza.I-BMS ilawula okukhiphayo kweseli ngalinye futhi iqinisekisa ukuthi amandla ombane aphezulu ebhethri ayagcinwa.
Njengoba izinto ze-electrode ziwohloka, i-Undervoltage iba ukukhathazeka okukhulu.Uma noma iyiphi i-voltage yeseli yehla ngaphansi kwe-threshold ethile, i-BMS inqamula ibhethri kwisekhethi.Iphinde isebenze njenge-backstop esimweni esidlulele futhi izovala ukusebenza kwayo ngesikhathi se-short-circuiting.
Amabhethri e-LiFePO4 vs. Amabhethri e-Lithium-Ion
Amabhethri e-LiFePO4 awafanele amadivayisi agqokekayo njengamawashi.Banomthamo wamandla ophansi kunanoma imaphi amanye amabhethri e-lithium.Kodwa-ke, yizona ezihamba phambili ezinhlelweni zamandla elanga, ama-RV, izinqola zegalofu, izikebhe ze-bass, nezithuthuthu zikagesi.
Enye yezinzuzo eziyinhloko zalawa mabhethri impilo yawo yomjikelezo.
Lawa mabhethri angahlala ngaphezu kokungu-4x isikhathi eside kunamanye.Aphephile futhi angafinyelela ekujuleni okungafika ku-100%, okusho ukuthi angasetshenziswa isikhathi eside.
Ngezansi kunezinye izizathu zokuthi kungani lawa mabhethri abe enye indlela engcono kumabhethri e-Li-ion.
Izindleko eziphansi
Amabhethri e-LFP enziwe ngensimbi ne-phosphorus, ambiwa ngezinga elikhulu, futhi awabizi.Izindleko zamabhethri e-LFP zilinganiselwa ukuthi zingaphansi ngamaphesenti angu-70 nge-kg kunamabhethri e-NMC anothe nge-nickel.Ukwakheka kwayo kwamakhemikhali kunikeza inzuzo yezindleko.Izintengo zamaseli ezibikiwe eziphansi kakhulu zamabhethri e-LFP zehle ngaphansi kuka-$100/kWh okokuqala ngqa ngo-2020.
Umthelela Omncane Wezemvelo
Amabhethri e-LFP awaqukethe i-nickel noma i-cobalt, abizayo futhi anomthelela omkhulu wemvelo.Lawa mabhethri aphinde ashajwe okubonisa ukusebenzisana kwawo nemvelo.
Ukusebenza Okuthuthukisiwe Nokusebenza
Amabhethri e-LFP aziwa ngomjikelezo wawo wokuphila omude, okuwenza abe yinketho edumile yezinhlelo zokusebenza ezidinga ukuphuma kwamandla okuthembekile nokungashintshi ngokuhamba kwesikhathi.Lawa mabhethri ahlangabezana namazinga okulahlekelwa amandla ahamba kancane kunamanye amabhethri e-lithium-ion, esiza ukulondoloza ukusebenza kwawo esikhathini eside.Ukwengeza, bane-voltage ephansi yokusebenza, okuholela ekuphikeleni okuncane kwangaphakathi kanye nesivinini sokushaja/sokukhipha ngokushesha.
Ukuphepha Nokuzinza Okuthuthukisiwe
Amabhethri e-LFP azinzile ngokokushisa nangamakhemikhali, yingakho mancane amathuba okuthi aqhume noma abambe umlilo.I-LFP ikhiqiza okukodwa kwesithupha kokushisa kwe-NMC ecebile nge-nickel.Ngenxa yokuthi ibhondi ye-Co-O inamandla kumabhethri e-LFP, ama-athomu omoya-mpilo akhululwa kancane kakhulu uma ane-circuited emfushane noma eshiswa ngokweqile.Ngaphezu kwalokho, ayikho i-lithium ehlala kumaseli agcwele amandla, okuwenza amelana kakhulu nokulahlekelwa komoyampilo uma kuqhathaniswa nokusabela kwe-exothermic okubonwa kwamanye amaseli e-lithium.
Encane futhi Engasindi
Amabhethri e-LFP cishe alula ngo-50% kunamabhethri e-lithium manganese oxide.Alula kufika ku-70% kunamabhethri e-lead-acid.Uma usebenzisa ibhethri le-LiFePO4 emotweni, usebenzisa igesi encane futhi unamandla okushintshashintsha.Futhi mancane futhi aminyene, akuvumela ukuthi wonge isikhala ku-scooter yakho, isikebhe, i-RV, noma uhlelo lwezimboni.
Amabhethri e-LiFePO4 vs. Amabhethri Angewona awe-Lithium
Amabhethri angewona awe-lithium anezinzuzo eziningi kodwa kungenzeka ashintshwe maphakathi nesikhathi uma kubhekwa amandla amabhethri e-LiFePo4 amasha njengoba ubuchwepheshe obudala buyabiza futhi bungasebenzi kahle.
Amabhethri e-Lead Acid
Amabhethri e-lead-acid angase abonakale ebiza kakhulu ekuqaleni, kodwa agcina ebiza kakhulu ngokuhamba kwesikhathi.Lokhu kungenxa yokuthi zidinga ukunakekelwa njalo nokushintshwa.Ibhethri ye-LiFePO4 izohlala isikhathi eside izikhathi ezi-2-4 ngaphandle kokunakekelwa okudingekayo.
Gel Amabhethri
Amabhethri ejeli, njengamabhethri e-LiFePO4, awadingi ukushajwa njalo futhi awalahlekelwa ukushajwa ngenkathi egcinwa.Kodwa amabhethri ejeli ashaja ngenani eliphansi.Kudingeka zinqanyulwe ngokushesha lapho zishajwe ngokugcwele ukuze zigweme ukucekelwa phansi.
Amabhethri e-AGM
Nakuba amabhethri e-AGM esengozini enkulu yokulimala ngaphansi komthamo wama-50%, amabhethri e-LiFePO4 angashajwa ngokuphelele ngaphandle kwengozi yokulimala.Futhi, kunzima ukuwagcina.
Izicelo zamabhethri e-LiFePO4
Amabhethri e-LiFePO4 anezinhlelo zokusebenza eziningi ezibalulekile, kufaka phakathi
Izikebhe Zokudoba namaKayak: Ungachitha isikhathi esiningi emanzini ngesikhathi esincane sokushaja kanye nesikhathi sokusebenza eside.Isisindo esincane sinikeza ukuphatha okulula kanye nesivinini ngesikhathi sokuncintisana kokudoba okuphezulu.
Ama-mobility scooters nama-mopeds: Asikho isisindo esifile sokukunciphisa ijubane.Shaja ibhethri lakho libe namandla angaphansi komthamo ogcwele ohambweni oluzenzakalelayo ngaphandle kokulilimaza.
Ukucushwa kweSolar: Phatha amabhethri e-LiFePO4 angasindi nomaphi lapho impilo ikuyisa khona (ngisho ukhuphuke intaba noma usuka kugridi) ukuze usebenzise amandla elanga.
Ukusetshenziswa kwezentengiso: Lawa amabhethri e-lithium aphephe kakhulu, aqine kunawo wonke awenza alungele ukusetshenziswa kwezimboni njengemishini yaphansi, ama-liftgates, nokuningi.
Ngaphezu kwalokho, amabhethri e-lithium iron phosphate anika amandla amanye amadivaysi amaningi njengamathoshi, ugwayi we-electronic, izinto zomsakazo, izibani eziphuthumayo, nezinye izinto.
Amathuba Okusetshenziswa Kwe-LFP Yesikali Esibanzi
Nakuba amabhethri e-LFP ebiza kancane futhi ezinzile kunezinye izindlela, ukuminyana kwamandla kube yisithiyo esibalulekile ekuthathweni okusabalele.Amabhethri e-LFP anomthamo wamandla aphansi kakhulu, asukela phakathi kuka-15 no-25%.Kodwa-ke, lokhu kuyashintsha kusetshenziswa ama-electrode aminyene njengalawo asetshenziswe kumodeli 3 eyenziwe e-Shanghai, enamandla amakhulu angu-359Wh/litre.
Ngenxa yomjikelezo wokuphila omude wamabhethri e-LFP, anomthamo owengeziwe kunamabhethri e-Li-ion anesisindo esifanayo.Lokhu kusho ukuthi ukuminyana kwamandla kulawa mabhethri kuzofana kakhulu ngokuhamba kwesikhathi.
Esinye isithiyo ekuthathweni kwezingane ngobuningi ukuthi i-China iphethe imakethe ngenxa yokubulawa kwamalungelo obunikazi e-LFP.Njengoba lawa malungelo obunikazi ephelelwa yisikhathi, kunokuqagela ukuthi ukukhiqizwa kwe-LFP, njengokukhiqizwa kwezimoto, kuzokwenziwa okwasendaweni.
Abakhiqizi bezimoto abakhulu njengeFord, iVolkswagen, neTesla baya ngokuya besebenzisa ubuchwepheshe ngokufaka esikhundleni se-nickel noma i-cobalt formulations.Isimemezelo sakamuva sikaTesla ekubuyekezweni kwayo kwekota kuyisiqalo nje.I-Tesla iphinde yanikeza isibuyekezo esifushane kuphakethe layo lebhethri le-4680, elizoba namandla aphezulu kanye nobubanzi.Kungenzeka futhi ukuthi u-Tesla uzosebenzisa ukwakhiwa kwe-"cell-to-pack" ukufingqa amaseli amaningi futhi amukele ukuminyana kwamandla aphansi.
Naphezu kweminyaka yayo, i-LFP kanye nokwehliswa kwezindleko zebhethri kungase kubaluleke kakhulu ekusheshiseni ukutholwa kwe-EV enkulu.Ngo-2023, amanani e-lithium-ion kulindeleke ukuthi asondele ku-$100/kWh.Ama-LFP angase enze abenzi bezimoto bagcizelele izinto ezifana nokunethezeka noma isikhathi sokushajwa esikhundleni sentengo nje.
Isikhathi sokuthumela: Aug-10-2022