Lithium hlau phosphate roj teeb (tseem hu ua lithium hlau phosphate lossis LFP) yog hom roj teeb lithium-ion. LiFePO4 sawv cev rau kev txhim kho loj dua lwm cov roj teeb chemistry, nce kev nyab xeeb, ncua kev pab cuam lub neej, thiab txuas ntxiv qhov ntsuas kub zoo.
Cov khoom no ua rau cov roj teeb lithium hlau phosphate siv dav hauv cov tshuab hluav taws xob hnub ci, lub zog thaub qab thiab lub tsheb hluav taws xob. Qhov kev nce qib hauv kev muaj koob npe no tau ua rau tus nqi poob qis rau cov khoom lag luam suav nrog LFP.
Kawm txog ntau qhov zoo ntawm LiFePO4 thiab vim li cas nws ua tau zoo dua lwm cov roj teeb hauv ntau daim ntawv thov.
1. Lub neej ntev
LFP kav ntev dua lwm lub roj teeb. Lub voj voog sib sib zog nqus lead-acid roj teeb tuaj yeem dhau los ntawm 100-200 cycles ua ntej lawv qhov kev ua tau zoo thiab poob mus rau 70-80% muaj peev xwm. Qhov nruab nrab, cov roj ntsha lead-acid yuav nyob ib puag ncig 500 lub voj voog, thaum lub roj teeb lithium-ion yuav kav ntev li 1, 000 cycles.
Los ntawm kev sib piv, 1990s LFP roj teeb-powered Delta 2 portable power station muaj EcoFlow cycle life of 3,000+ cycles ua ntej kev ua tau zoo poob mus rau 80% ntawm nws thawj lub peev xwm. Tom qab lub sijhawm no, lawv tseem yuav ua haujlwm li qub, tab sis ntawm qhov muaj peev xwm txo qis me ntsis.
2. Txhim kho kev ruaj ntseg
Lithium hlau phosphate yog cov cuab yeej muaj kev nyab xeeb dua piv rau lithium-ion roj teeb thiab lwm hom roj teeb. Tshwj xeeb, lawv tsis muaj cov pa phem thiab cov teeb meem tso pa cuam tshuam nrog lithium-ion thiab lead-acid. LFP tau txhim kho thev naus laus zis kom tsis txhob muaj teeb meem txaus ntshai no, siv cov hluav taws xob tsis muaj hluav taws xob ua ib feem ntawm cov roj teeb chemistry.
Cov roj teeb lithium-ion tuaj yeem ua rau thermal khiav, overheating, thiab combustion. Cov roj ntsha lead-acid tuaj yeem tsim cov pa phem xws li hydrogen sulfide. Cov teeb meem no muaj teeb meem rau kev nyab xeeb thiab kev noj qab haus huv.
Cov roj teeb lithium hlau phosphate tsis tso roj zoo li cov roj teeb txhuas-acid. Koj tuaj yeem khaws cia thiab ua haujlwm LFP hauv koj lub tsev, chaw nres tsheb, lossis tsev.
LiFePO4 roj teeb kuj tsis siv cov tshuaj lom lossis cov hlau hnyav hauv lawv cov tshuaj muaj pes tsawg leeg, ua rau lawv muaj kev nyab xeeb dua los tuav thiab pov tseg. Yog tias tsis muaj kev saib xyuas kom zoo, cov roj ntsha lead-acid tuaj yeem xau cov dej tsis zoo.
Cov yam ntxwv ntawm kev nyab xeeb ntawm lithium hlau phosphate roj teeb txhais tau tias koj tuaj yeem ruaj ntseg nruab EcoFlow Power Kit hauv lub tsev me lossis RV. Yav dhau los, lub hnub ci lub hnub ci thiab cov roj teeb thaub qab yuav tsum tau muab tso rau sab nraum zoov hauv qhov chaw muaj cua zoo kom tsis txhob muaj teeb meem kev nyab xeeb los ntawm kev ua phem rau tus neeg siv. Qhov no tsis yog qhov teeb meem nrog kev daws teeb meem hluav taws xob off-grid khiav ntawm LFP.
3. Them sai sai
LiFePO4 roj teeb them sai dua li lwm hom roj teeb, feem ntau hauv 1-2 teev siv AC fais fab thiab 3-6 teev siv hnub ci vaj huam sib luag. Lub sij hawm them nqi tiag tiag nyob ntawm ntau yam, suav nrog roj teeb muaj peev xwm, tam sim no, thiab txoj kev them nyiaj.
Ntau lub chaw nres tsheb fais fab xws li Delta Pro siv lithium hlau phosphate roj teeb. Lawv tuaj nyob rau hauv ntau yam kev xaiv them, suav nrog:
hnub ci vaj huam sib luag
AC phab ntsa socket
DC tsheb charger
Electric Vehicle (EV) Chaw nres tsheb
Cov roj teeb lithium hlau phosphate them ceev tshaj plaws nyob rau hauv kev pom zoo. Thaum LFP tseem tsub nqi sab nraud ntawm nws qhov kev ua haujlwm kub zoo tshaj plaws, koj khiav txoj kev pheej hmoo ntawm kev puas tsuaj rau lub roj teeb thiab ua rau nws lub neej luv, uas ua rau lub ntsiab lus tom ntej.
4.Wider kev khiav hauj lwm kub ntau yam
Cov roj teeb lithium hlau phosphate muaj qhov ua haujlwm kub ntawm -4 degree F txog 140 degree F (-20 degree txog 60 degree ). Qhov ntsuas kub no tso cai rau lawv ua haujlwm tau zoo txawm tias nyob rau hauv huab cua txias lossis kub huab cua lossis tej yam kev mob.
Txawm li cas los xij, ua kom koj lub roj teeb LFP nyob rau hauv nws qhov kev ua haujlwm kub zoo tshaj plaws yuav ua kom muaj txiaj ntsig zoo dua thiab siv tau ntev. Piv txwv li, RIVER2Pro Portable Fais Fab Chaw Nres Nkoj pom zoo kom khaws cia thiab tawm qhov kub ntawm 14 degree F thiab 113 degree F (-10 degree thiab 45 degree ). Nws qhov zoo tshaj plaws ua haujlwm kub yog 68 degree F -86 degree F (20 degree -30 degree ).
Kev khiav hauj lwm ib lub roj teeb sab nraud ntawm qhov ntsuas kub tau pom zoo yuav ua rau tsis zoo rau nws txoj kev ua haujlwm thiab kev ua neej. Qhov kub thiab txias yuav ua kom lub roj teeb aging, txo lub peev xwm, thiab ua rau muaj kev pheej hmoo ntawm thermal runaway. Ntawm qhov tod tes, qhov ntsuas kub qis txo cov roj teeb ua haujlwm thiab muaj peev xwm.
5. Muaj zog ceev
LFP muaj lub zog ceev dua piv rau lwm hom roj teeb. Lub zog ceev yog hais txog lub zog ntawm lub roj teeb uas tuaj yeem khaws cia rau ib chav tsev ntim lossis qhov hnyav. Lub zog ntom ntom ntawm lithium hlau phosphate roj teeb yog kwv yees li 130-140 Wh / kg, uas yog 4 npaug siab dua li lub zog ntom ntom ntawm cov roj ntsha lead-acid ntawm 30-40 Wh / kg.
Lub zog ceev ceev txhais tau hais tias cov chaw nres tsheb fais fab uas siv LiFePO4 yog sib dua thiab nqa tau yooj yim dua. Piv txwv li, Eco-Flower 2 hnyav dua 8 phaus (3.6 kg) thiab muaj roj teeb cia ntawm 256 watt teev.
Qee lub roj teeb lithium-ion muaj zog dua me ntsis dua li lithium hlau phosphate, tab sis lawv kuj muaj teeb meem kev nyab xeeb thiab lub neej luv dua.
6. Ib puag ncig tus phooj ywg
Raws li tau hais ua ntej, cov roj teeb lithium hlau phosphate kav ntev dua lithium-ion thiab lead-acid roj teeb. Qhov no txhais tau tias lawv yuav tsum tau hloov ntau zaus, txo cov roj teeb uas xaus rau hauv qhov chaw pov tseg.
Txawm hais tias lawv thaum kawg khiav tawm, kev nqis peev hauv lithium roj teeb rov ua dua txo qhov tsis zoo ntawm ib puag ncig. Recycling tso cai rau cov khoom siv sab hauv rov qab siv dua. Tsis tas li ntawd, LFP roj teeb tsis muaj cov hlau hnyav thiab cov tshuaj lom (xws li txhuas thiab cadmium) siv rau lwm hom roj teeb.
Qhov tsis muaj cobalt hauv LiFeP04 txhais tau hais tias lawv muaj kev ncaj ncees ntau dua li cov roj teeb lithium-ion ib txwm, uas yuav tsum tau ua los ntawm nickel thiab cobalt. Ntau tshaj 70% thiab 90% ntawm lub ntiaj teb cobalt yog los ntawm cov mines hauv Democratic Republic of Congo.
Kev ua haujlwm hauv mines ntawm Democratic Republic of the Congo yog qhov ua tsis tau zoo, kev ua haujlwm menyuam yaus feem ntau siv, thiab cobalt qee zaum hu ua "cov ntshav pob zeb diamond ntawm roj teeb."
Kev ua haujlwm siab ntawm lithium hlau phosphate roj teeb kuj zoo rau ib puag ncig. Lawv xav tau lub zog tsawg dua los them thiab tso tawm, txo lawv qhov cuam tshuam rau ib puag ncig.
Lub zog daws teeb meem yog sib xws nrog cov hnub ci vaj huam sib luag, muaj peev xwm ua rau LFP ntau tus phooj ywg ib puag ncig los ntawm kev siv lub hnub ci huv, tauj dua tshiab los them cov roj teeb.
7. Kev saib xyuas tsawg
LiFePO4 roj teeb muaj cov nqi kho mob qis dua piv rau lwm hom roj teeb. Lead-acid roj teeb xav kom koj kuaj xyuas cov qib electrolyte thiab rov ua dua nrog dej distilled. Lawv kuj tuaj yeem xaiv thaum nws los txog rau qib thiab kev cia khoom.
LFP roj teeb tsis tas yuav tsum muaj cov khoom siv electrolyte lossis dej qib kev saib xyuas. Koj yuav tsum tau them sai sai rau cov kev ntsuas tseem ceeb xws li kev them nqi thiab kev tso tawm, qhov hluav taws xob, thiab cov ntaub ntawv ntsig txog, tab sis koj yuav tsum tsis txhob siv sij hawm ntau dhau los saib xyuas koj lub roj teeb.
Nrog EcoFlow's LiFePO4 fais fab mov tov, koj tuaj yeem saib xyuas thiab tswj kev siv roj teeb txhua lub sijhawm, nyob qhov twg ntawm EcoFlow app.
8. Tsawg tus nqi tso tawm tus kheej
LFP roj teeb muaj tus nqi qis tus nqi qis dua lithium-ion thiab lwm yam roj teeb chemistry. Kev tso tawm tus kheej yog hais txog lub zog poob thaum lub roj teeb tsis ua haujlwm.
Feem ntau hais lus, tus nqi tso tawm txhua hli ntawm lithium hlau phosphate roj teeb yog li ntawm 2-3%. Lithium cobalt oxide (LiCoO2) thiab nickel cadmium (NiCad) roj teeb tuaj yeem tso tawm txog 20% ntawm lawv lub zog ib hlis twg thaum khaws cia.
Tus nqi qis tus kheej tso tawm ua rau LiFePO4 lub zog thaub qab hauv tsev. Cov roj teeb no tuaj yeem zaum tsis ua haujlwm tau ntau lub hlis tab sis tseem ua haujlwm thaum lub zog hluav taws xob.
Txawm li cas los xij, nws tseem ceeb heev uas yuav tsum nco ntsoov tias txhua hom roj teeb yuav tso tawm lub sijhawm, txawm tias tsis siv. Kev khaws cia thiab kev saib xyuas ntawm LiFePO4 roj teeb yuav ua kom pom kev ua haujlwm zoo thiab ua haujlwm ntev.