Ibhethri le-LiFePO4

Imibiko ye-Tesla yekota yesithathu ka-2021 imemezele ukushintshela kumabhethri e-LiFePO4 njengendinganiso entsha ezimotweni zayo. Kodwa ayini ngempela amabhethri e-LiFePO4?

I-NEW YORK, E-NEW YORK, e-USA, Meyi 26, 2022 /EINPresswire.com / — Ingabe ziyindlela engcono esikhundleni samabhethri e-Li-Ion? Lawa mabhethri ahluke kanjani kwamanye amabhethri?

Isingeniso kumabhethri e-LiFePO4

Ibhethri le-lithium iron phosphate (LFP) liyibhethri le-lithium-ion elinamazinga okushaja nokukhipha okusheshayo. Liyibhethri eliphinde lishajwe eline-LiFePO4 njenge-cathode kanye ne-graphitic carbon electrode ene-metallic backing njenge-anode.

Amabhethri e-LiFePO4 anomthamo wamandla ophansi kunamabhethri e-lithium-ion kanye nama-voltage aphansi okusebenza. Anesilinganiso sokukhishwa esiphansi ngama-horizontal curves futhi aphephile kune-Li-ion. Lawa mabhethri aziwa nangokuthi amabhethri e-lithium ferrophosphate.

Ukusungulwa Kwamabhethri e-LiFePO4

Amabhethri e-LiFePO4 asungulwa nguJohn B. Goodenough no-Arumugam Manthiram. Ayephakathi kwabokuqala ukuthola izinto ezisetshenziswa kumabhethri e-lithium-ion. Izinto ze-anode azifaneleki kumabhethri e-lithium-ion ngenxa yokuthambekela kwawo kokushintshashintsha kwezakhi zofuzo ngokushesha.

Ososayensi bathole ukuthi izinto ze-cathode zingcono uma ziqhathaniswa nama-cathode ebhethri le-lithium-ion. Lokhu kubonakala kakhulu ezinhlotsheni zebhethri ze-LiFePO4. Zithuthukisa ukuzinza kanye nokuqhuba futhi zithuthukisa ezinye izici ezahlukahlukene.

Kulezi zinsuku, amabhethri e-LiFePO4 atholakala yonke indawo futhi anezinhlelo zokusebenza ezahlukahlukene, okuhlanganisa ukusetshenziswa ezikebheni, ezinhlelweni zelanga, nasezimotweni. Amabhethri e-LiFePO4 awanawo ama-cobalt futhi ashibhile kunezinye izindlela eziningi. Awanabo ubuthi futhi ahlala isikhathi eside eshalofini.

Imininingwane Yebhethri le-LFP -

Umsebenzi Wezinhlelo Zokuphatha Amabhethri Kumabhethri E-LFP

Amabhethri e-LFP akhiwe ngaphezu kwamaseli axhunyiwe; anesistimu eqinisekisa ukuthi ibhethri lihlala ngaphakathi kwemingcele ephephile. Uhlelo lokuphatha ibhethri (i-BMS) luvikela, lulawule, futhi luqaphe ibhethri ngaphansi kwezimo zokusebenza ukuqinisekisa ukuphepha nokwandisa isikhathi sokuphila kwebhethri.

Umsebenzi Wezinhlelo Zokuphathwa Kwebhethri Kumabhethri E-LFP -

Naphezu kokuthi amaseli e-lithium iron phosphate abekezelela kakhulu, noma kunjalo athambekele ekushiseni ngokweqile ngesikhathi sokushaja, okunciphisa ukusebenza. Izinto ezisetshenziswa ku-cathode zingase ziwohloke futhi zilahlekelwe ukuzinza kwazo. I-BMS ilawula ukuphuma kweseli ngalinye futhi iqinisekisa ukuthi i-voltage ephezulu yebhethri iyagcinwa.

Njengoba izinto ze-electrode ziwohloka, i-Undervoltage iba inkinga enkulu. Uma noma yiliphi i-voltage yeseli lehla ngaphansi komkhawulo othile, i-BMS inqamula ibhethri kwisekethe. Isebenza futhi njenge-backstop esimweni somsinga ongaphezulu futhi izovala ukusebenza kwayo ngesikhathi sokujikeleza okufushane.

Amabhethri e-LiFePO4 vs. Amabhethri e-Lithium-Ion

Amabhethri e-LiFePO4 awafaneleki kumadivayisi agqokwayo njengamawashi. Angaphansi kwamandla aphansi kunanoma yimaphi amanye amabhethri e-lithium. Kodwa-ke, ayinto engcono kakhulu ezinhlelweni zamandla elanga, ama-RV, izinqola zegalofu, izikebhe ze-bass, kanye nezithuthuthu zikagesi.

★Enye yezinzuzo eziyinhloko zala mabhethri impilo yawo yomjikelezo.

Lawa mabhethri angahlala isikhathi esingaphezu kwesine kunezinye. Aphephile futhi angafinyelela ekujuleni okufika ku-100% kokukhishwa, okusho ukuthi angasetshenziswa isikhathi eside.

Ngezansi kunezizathu ezengeziwe zokuthi kungani la mabhethri eyindlela engcono kunebhethri le-Li-ion.

★Izindleko Eziphansi

Amabhethri e-LFP akhiwe ngensimbi ne-phosphorus, ambiwa ngezinga elikhulu, futhi ashibhile. Izindleko zamabhethri e-LFP kulinganiselwa ukuthi ziphansi ngamaphesenti angama-70 ngekhilogremu kunebhethri le-NMC elicebile nge-nickel. Ukwakheka kwamakhemikhali alo kunikeza inzuzo yezindleko. Amanani aphansi kakhulu amaseli abikiwe amabhethri e-LFP ehle ngaphansi kuka-$100/kWh okokuqala ngqa ngo-2020.

★Umthelela Omncane Kwezemvelo
Amabhethri e-LFP awaqukethe i-nickel noma i-cobalt, ebiza kakhulu futhi anomthelela omkhulu emvelweni. Lawa mabhethri angashajwa kabusha okubonisa ukuthi anobungani nemvelo.

★Ukusebenza Kahle Nokusebenza Okuthuthukisiwe
Amabhethri e-LFP aziwa ngokuphila kwawo isikhathi eside, okwenza abe ukukhetha okuthandwayo kwezinhlelo zokusebenza ezidinga ukukhishwa kwamandla okuthembekile nokungaguquguquki ngokuhamba kwesikhathi. Lawa mabhethri abhekana namazinga okulahlekelwa amandla aphansi kunamanye amabhethri e-lithium-ion, okusiza ukugcina ukusebenza kwawo isikhathi eside. Ngaphezu kwalokho, ane-voltage ephansi yokusebenza, okuholela ekumelaneni okuncane kwangaphakathi kanye nesivinini sokushaja/sokukhipha ngokushesha.

★Ukuphepha Okuthuthukisiwe Nokuzinza
Amabhethri e-LFP azinzile ngokwezinga lokushisa namakhemikhali, ngakho-ke awanamathuba amaningi okuqhuma noma ukubamba umlilo. I-LFP ikhiqiza ingxenye yesithupha yokushisa kwe-NMC ecebile nge-nickel. Ngenxa yokuthi isibopho se-Co-O sinamandla kumabhethri e-LFP, ama-athomu e-oxygen akhishwa kancane uma efinyezwa noma eshiswa kakhulu. Ngaphezu kwalokho, akukho lithium ehlala kumaseli ashajwe ngokugcwele, okwenza amelane kakhulu nokulahlekelwa yi-oxygen uma kuqhathaniswa nokusabela kwe-exothermic okubonakala kwamanye amaseli e-lithium.

★ Encane futhi Elula
Amabhethri e-LFP alula cishe 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 uyakwazi ukuyilawula kalula. Ancane futhi aqinile, okukuvumela ukuthi wonge isikhala ku-scooter yakho, isikebhe, i-RV, noma ukusetshenziswa kwezimboni.

Amabhethri e-LiFePO4 vs. Amabhethri angewona e-Lithium
Amabhethri angewona i-lithium anezinzuzo eziningana kodwa kungenzeka ukuthi ashintshwe phakathi nesikhathi ngenxa yamandla amabhethri amasha e-LiFePo4 njengoba ubuchwepheshe obudala bubiza kakhulu futhi bungasebenzi kahle.

☆ Amabhethri e-Lead Acid
Amabhethri e-lead-acid angase abonakale engabizi kakhulu ekuqaleni, kodwa agcina ebiza kakhulu ngokuhamba kwesikhathi. Lokhu kungenxa yokuthi adinga ukulungiswa njalo kanye nokushintshwa. Ibhethri le-LiFePO4 lizohlala isikhathi eside izikhathi ezingu-2-4 ngaphandle kokulungiswa okudingekayo.

☆ Amabhethri e-Gel
Amabhethri ejeli, njengamabhethri e-LiFePO4, awadingi ukushajwa njalo futhi awalahlekelwa ukushajwa ngenkathi egcinwa. Kodwa amabhethri ejeli ashaja ngesivinini esiphansi. Adinga ukunqanyulwa ngokushesha nje lapho eshajwa ngokugcwele ukuze agweme ukubhujiswa.

☆ Amabhethri e-AGM
Nakuba amabhethri e-AGM esengozini enkulu yokulimala ngaphansi komthamo ongu-50%, amabhethri e-LiFePO4 angakhishwa ngokuphelele ngaphandle kwengozi yokulimala. Futhi, kunzima ukuwagcina esebenza.

Izicelo zamabhethri e-LiFePO4
Amabhethri e-LiFePO4 anezinhlelo zokusebenza eziningi eziwusizo, okuhlanganisa

●Izikebhe Zokudoba Nama-Kayak: Ungachitha isikhathi esiningi emanzini ngesikhathi esincane sokushaja kanye nesikhathi eside sokusebenza. Isisindo esincane senza kube lula ukuphatha kanye nokunciphisa ijubane ngesikhathi semincintiswano yokudoba esezingeni eliphezulu.

●Ama-scooter nama-moped okunyakaza: Akukho sisindo esiqinile sokukunciphisa ijubane. Shaja ibhethri lakho libe ngaphansi komthamo ogcwele ukuze ugibele ngokuzumayo ngaphandle kokulilimaza.

●Ukulungiswa kwelanga: Phatha amabhethri e-LiFePO4 alula noma kuphi lapho impilo ikuyisa khona (ngisho noma ukhuphukela entabeni noma ungaphandle kwegridi) ukuze usebenzise amandla elanga.

●Ukusetshenziswa kwezentengiselwano: Lawa amabhethri e-lithium aphephe kakhulu futhi aqinile okwenza afaneleke kakhulu ekusetshenzisweni kwezimboni njengemishini yaphansi, ama-liftgate, nokuningi.

Ngaphezu kwalokho, amabhethri e-lithium iron phosphate anika amandla amanye amadivayisi amaningi njengezibane, ugwayi kagesi, imishini yomsakazo, izibani eziphuthumayo, nezinye izinto.

Amathuba Okusetshenziswa Kwe-LFP Ebanzi
Nakuba amabhethri e-LFP engabizi kakhulu futhi ezinzile kunezinye izindlela, ubuningi bamandla bube yisithiyo esikhulu ekwamukelweni kabanzi. Amabhethri e-LFP anobuningi bamandla obuphansi kakhulu, obuphakathi kuka-15 no-25%. Kodwa-ke, lokhu kuyashintsha kusetshenziswa ama-electrode ajiyile njengalawo asetshenziswa ku-Model 3 eyenziwe eShanghai, enobukhulu bamandla obungu-359Wh/ilitha.

Ngenxa yomjikelezo omude wokuphila kwamabhethri e-LFP, anomthamo omkhulu kunamabhethri e-Li-ion anesisindo esifanayo. Lokhu kusho ukuthi ubukhulu bamandla bala mabhethri buzofana kakhulu ngokuhamba kwesikhathi.

Esinye isithiyo sokwamukelwa kwabantu abaningi ukuthi iShayina ibuse imakethe ngenxa yobuningi bamalungelo obunikazi e-LFP. Njengoba la malungelo obunikazi ephelelwa yisikhathi, kukhona ukuqagela ukuthi ukukhiqizwa kwe-LFP, njengokukhiqiza izimoto, kuzokwenziwa endaweni.

Abakhiqizi bezimoto abakhulu njengeFord, iVolkswagen, neTesla basebenzisa ubuchwepheshe ngokwandisa ngokufaka esikhundleni se-nickel noma i-cobalt. Isimemezelo sakamuva seTesla ekubuyekezweni kwayo kwekota simane nje siyisiqalo. ITesla iphinde yanikeza isibuyekezo esifushane ngebhethri layo elingu-4680, elizoba namandla amaningi kanye nobubanzi obuphezulu. Kungenzeka futhi ukuthi iTesla izosebenzisa ukwakhiwa "kweseli kuya kwephakethe" ukuhlanganisa amaseli amaningi futhi ivumelane namandla aphansi.

Naphezu kokuguga kwayo,I-LFPkanye nokwehla kwezindleko zebhethri kungaba yinto ebalulekile ekusheshiseni ukwamukelwa kwe-EV enkulu. Ngo-2023, amanani e-lithium-ion kulindeleke ukuthi abe cishe ku-$100/kWh. Ama-LFP angenza abenzi bezimoto bakwazi ukugcizelela izici ezifana nokulula noma isikhathi sokushaja esikhundleni sentengo nje.