Ibhethri ye-LiFePO4

Imibiko kaTesla ka-2021 Q3 imemezele ukushintshela kumabhethri e-LiFePO4 njengezinga elisha ezimotweni zayo.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?Enza kanjani la mabhethri ehluke 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 nomthamo ophansi wokusebenza.Anezinga eliphansi lokukhishwa elinamajika avundlile futhi aphephile kune-Li-ion.Lawa mabhethri aziwa nangokuthi amabhethri e-lithium ferrophosphate.

Ukusungulwa kwamabhethri e-LiFePO4

Amabhethri e-LiFePO4 asungulwa ngu-John B. Goodenough kanye no-Arumugam Manthiram.Babephakathi kwabokuqala ukucacisa izinto ezisetshenziswa kumabhethri e-lithium-ion.Izinto ze-anode azilungele amabhethri e-lithium-ion ngenxa yokuthambekela kwawo kokujikeleza okufushane ngokushesha.

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.Ayinabuthi futhi ingaphansi kweshalofu lesikhathi eside.

Ukucaciswa kwebhethri le-LFP -

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 (i-BMS) ivikela, ilawule, futhi igade ibhethri ngaphansi kwezimo zokusebenza ukuze kuqinisekiswe ukuphepha kanye nokwelula impilo yebhethri.

Umsebenzi Wezinhlelo Zokulawulwa Kwebhethri kumabhethri e-LFP -

Naphezu kweqiniso lokuthi amaseli e-lithium iron phosphate abekezelela kakhudlwana, nokho athambekele ekukhuleni ngokweqile ngesikhathi sokushaja, okunciphisa ukusebenza.Izinto ezisetshenziswa ku-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 eshiwo, i-BMS inqamula ibhethri kwisekhethi.Isebenza futhi njenge-backstop esimweni se-overcurrent futhi izovala ukusebenza kwayo ngesikhathi se-short-circuiting.

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

Amabhethri e-LiFePO4 awafanele amadivayisi agqokekayo njengamawashi.Angaphansi kokuminyana kwamandla okuphansi kunanoma imaphi amanye amabhethri e-lithium.Kodwa-ke, ziyinto engcono kakhulu yezinhlelo 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 ukujula okungafika ku-100%, okusho ukuthi angasetshenziswa isikhathi eside.

Ngezansi kunezizathu ezengeziwe zokuthi kungani lawa mabhethri engenye engcono kunebhethri ye-Li-ion.

★Izindleko Eziphansi

Amabhethri e-LFP akhiwe 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.

★Impact Encane Yezemvelo
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 Okuthuthukisiwe Nozinzo
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 ahlangene, akuvumela ukuthi wonge isikhala kusikuta sakho, 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.

☆Lead Acid Amabhethri
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.

☆Amabhethri ejeli
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.

☆ AGM Amabhethri
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 noma yikuphi lapho ukuphila kukuyisa khona (ngisho ukhuphuke intaba noma usuka kugridi) ukuze usebenzise amandla elanga.

● Ukusetshenziswa kwezentengiso: Lawa amabhethri e-lithium aphephe kakhulu, aqine kakhulu awenza afanelekele izinhlelo zokusebenza zezimboni ezifana nemishini yaphansi, ama-liftgates, nokuningi.

Ngaphezu kwalokho, amabhethri e-lithium iron phosphate anika amandla amanye amathuluzi 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” ukufinyamisa amaseli amaningi futhi amukele ukuminyana kwamandla aphansi.

Naphezu kweminyaka yayo,I-LFPkanye 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.