Sau npe Sau npe yuav thiab ua thawj tus paub txog cov khoom tshiab, kev tsim kho tshiab thiab lwm yam.

Cov roj teeb lithium Phosphate puas zoo dua li Ternary lithium roj teeb?

Puas yog cov roj teeb lithium Phosphate zoo dua li Ternary lithium roj teeb

Puas yog koj tab tom nrhiav ib lub roj teeb uas muaj peev xwm, muaj txiaj ntsig zoo uas tuaj yeem siv rau ntau yam kev siv?Saib tsis pub dhau lithium phosphate (LiFePO4) roj teeb.LiFePO4 yog qhov nrov dua lwm txoj rau ternary lithium roj teeb vim nws qhov zoo tshaj plaws thiab tus phooj ywg ib puag ncig.

Cia peb nkag siab txog cov laj thawj vim li cas LiFePo4 tuaj yeem muaj rooj plaub muaj zog rau kev xaiv dua li cov roj teeb lithium ternary, thiab tau txais kev pom zoo rau ob hom roj teeb tuaj yeem coj mus rau koj cov haujlwm.Nyeem rau kom paub ntau ntxiv txog LiFePO4 vs. ternary lithium roj teeb, yog li koj tuaj yeem txiav txim siab paub thaum xav txog koj qhov kev daws teeb meem tom ntej!

 

Dab tsi yog Lithium Iron Phosphate thiab Ternary Lithium roj teeb tsim los ntawm?

Lithium Phosphate thiab ternary lithium roj teeb yog ob hom roj teeb uas nrov tshaj plaws.Lawv muaj ntau yam zoo, los ntawm lub zog siab dua mus rau lub neej ntev.Tab sis dab tsi ua rau LiFePO4 thiab ternary lithium roj teeb tshwj xeeb?

LiFePO4 yog tsim los ntawm Lithium Phosphate hais sib xyaw nrog carbonates, hydroxides, lossis sulfates.Qhov kev sib xyaw ua ke no muab nws cov khoom tshwj xeeb uas ua rau nws zoo tagnrho roj teeb chemistry rau kev siv hluav taws xob siab xws li tsheb hluav taws xob.Nws muaj lub neej voj voog zoo heev - txhais tau tias nws tuaj yeem rov ua dua thiab tso tawm ntau txhiab zaus yam tsis muaj kev puas tsuaj.Nws kuj tseem muaj thermal stability ntau dua li lwm cov chemistry, txhais tau tias nws tsis tshua muaj cua sov thaum siv rau hauv cov ntawv thov uas yuav tsum tau siv hluav taws xob ntau zaus.

Ternary lithium roj teeb yog tsim los ntawm kev sib xyaw ntawm lithium nickel cobalt manganese oxide (NCM) thiab graphite.Qhov no tso cai rau lub roj teeb kom ua tiav lub zog ntom ntom uas lwm cov chemistry tsis tuaj yeem sib xws, ua rau lawv zoo tagnrho rau cov ntawv thov xws li hluav taws xob tsheb.Cov roj teeb lithium ternary kuj tseem muaj lub neej ntev heev, lawv tuaj yeem ua haujlwm ntev txog 2000 cycles yam tsis muaj kev puas tsuaj loj.Lawv kuj muaj peev xwm tuav tau lub zog zoo heev, tso cai rau lawv tawm sai sai ntawm cov nqi tam sim no thaum xav tau.

 

Dab tsi yog Lub Zog Qib Qhov Sib Txawv Ntawm Lithium Phosphate thiab Ternary Lithium Roj Teeb?

Lub zog ceev ntawm lub roj teeb txiav txim siab npaum li cas lub zog nws tuaj yeem khaws thiab xa tau piv rau nws qhov hnyav.Qhov no yog ib qho tseem ceeb thaum xav txog cov ntawv thov uas yuav tsum muaj lub zog tso zis siab lossis lub sijhawm ua haujlwm ntev los ntawm qhov chaw compact, lub teeb yuag.

Thaum muab piv lub zog ceev ntawm LiFePO4 thiab ternary lithium roj teeb, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov qauv sib txawv tuaj yeem muab ntau theem ntawm lub zog.Piv txwv li, cov roj teeb txhuas cov kua qaub ib txwm muaj lub zog tshwj xeeb ntawm 30-40 Wh / Kg thaum LiFePO4 ntsuas ntawm 100-120 Wh / Kg - yuav luag peb zaug ntau dua li nws cov hmoov lead acid.Thaum xav txog ternary lithium-ion roj teeb, lawv khav theeb ntau dua qhov kev ntsuas lub zog ntawm 160-180Wh / Kg.

Cov roj teeb LiFePO4 zoo dua rau cov ntawv thov nrog cov dej ntws qis, xws li lub hnub ci txoj kev teeb lossis lub tswb.Lawv kuj muaj lub neej ntev dua thiab tuaj yeem tiv taus qhov kub siab dua li ternary lithium-ion roj teeb, ua rau lawv zoo tagnrho rau kev xav tau ib puag ncig.

 

Kev nyab xeeb sib txawv ntawm Lithium Iron Phosphate thiab Ternary Lithium roj teeb

Thaum nws los txog rau kev nyab xeeb, lithium hlau phosphate (LFP) muaj ntau qhov zoo dua li ternary lithium.Cov roj teeb lithium Phosphate tsis tshua muaj cua sov thiab ntes hluav taws, ua rau lawv xaiv kev nyab xeeb rau ntau yam kev siv.

Nov yog saib ze dua ntawm qhov sib txawv ntawm kev nyab xeeb ntawm ob hom roj teeb no:

  • Ternary lithium roj teeb tuaj yeem overheat thiab ntes hluav taws yog tias puas lossis raug tsim txom.Qhov no yog ib qho kev txhawj xeeb tshwj xeeb hauv kev siv hluav taws xob siab xws li hluav taws xob tsheb (EVs).
  • Cov roj teeb lithium Phosphate kuj tseem muaj qhov kub thiab txias dua, txhais tau tias lawv tuaj yeem tiv taus kub dua yam tsis muaj hluav taws kub.Qhov no ua rau lawv muaj kev nyab xeeb dua rau kev siv hauv cov ntawv siv dej siab xws li cov cuab yeej siv hluav taws xob thiab EVs.
  • Ntxiv nrog rau qhov tsis tshua muaj cua sov thiab ntes hluav taws, LFP roj teeb kuj tseem tiv taus rau lub cev puas tsuaj.Lub hlwb ntawm LFP roj teeb tau ntim hauv cov hlau tsis yog txhuas, ua rau lawv ruaj khov dua.
  • Thaum kawg, LFP roj teeb muaj lub neej ntev dua li ternary lithium roj teeb.Tias yog vim li cas chemistry ntawm LFP roj teeb muaj kev ruaj khov thiab tiv taus kev puas tsuaj rau lub sijhawm, ua rau muaj peev xwm tsawg dua nrog txhua lub voj voog / tawm.

Vim li no, cov tuam txhab lag luam thoob plaws kev lag luam tau nce mus rau Lithium Phosphate roj teeb rau cov ntawv thov uas muaj kev nyab xeeb thiab ua haujlwm ntev yog qhov tseem ceeb.Nrog rau lawv cov kev pheej hmoo qis dua ntawm kev kub ntxhov thiab kev puas tsuaj rau lub cev, Lithium Iron Phosphate roj teeb tuaj yeem muab kev thaj yeeb nyab xeeb ntawm lub siab hauv cov ntawv siv hluav taws xob siab xws li EVs, cov cuab yeej tsis muaj zog, thiab cov khoom siv kho mob.

 

Lithium Hlau Phosphate thiab Ternary Lithium Daim Ntawv Thov

Yog tias kev nyab xeeb thiab kav ntev yog koj qhov kev txhawj xeeb tseem ceeb, lithium phosphate yuav tsum nyob rau saum koj daim ntawv teev npe.Tsis tsuas yog nws muaj koob npe nrov rau nws qhov kev tswj hwm zoo ntawm qhov kub thiab txias ib puag ncig - ua rau nws yog qhov kev xaiv zoo tshaj plaws rau lub tshuab hluav taws xob siv hauv tsheb, cov cuab yeej siv kho mob thiab kev siv tub rog - tab sis kuj boasts lub neej zoo dua piv rau lwm hom roj teeb.Hauv luv luv: tsis muaj roj teeb muaj kev ruaj ntseg ntau npaum li kev tswj xyuas kev ua haujlwm zoo li lithium phosphate ua.

Txawm hais tias nws muaj peev xwm ua tau zoo, lithium phosphate tej zaum yuav tsis yog qhov kev xaiv zoo tshaj plaws rau cov ntawv thov uas xav tau kev txav mus los vim nws qhov hnyav me ntsis thiab daim ntawv bulkier.Hauv cov xwm txheej zoo li no, lithium-ion thev naus laus zis feem ntau nyiam vim tias nws muaj kev ua haujlwm zoo dua hauv cov pob me.

Hais txog tus nqi, ternary lithium roj teeb zoo li yuav kim dua li lawv cov lithium hlau phosphate counterparts.Qhov no feem ntau yog vim tus nqi ntawm kev tshawb fawb thiab kev loj hlob cuam tshuam nrog kev tsim cov thev naus laus zis.

Yog tias siv tau raws li qhov chaw tsim nyog, ob hom roj teeb tuaj yeem muaj txiaj ntsig zoo rau ntau yam kev lag luam.Thaum kawg, nws yog nyob ntawm koj txiav txim siab yam twg yuav zoo tshaj plaws rau koj cov kev xav tau.Nrog ntau qhov sib txawv ntawm kev ua si, nws yog ib qho tseem ceeb uas yuav tau ua koj cov kev tshawb fawb kom huv si ua ntej txiav txim siab zaum kawg.Qhov kev xaiv zoo tuaj yeem ua rau txhua qhov sib txawv hauv koj cov khoom lag luam.

Txawm hais tias koj xaiv lub roj teeb hom twg, nws yog ib qho tseem ceeb kom nco ntsoov cov txheej txheem tuav thiab khaws cia kom raug.Thaum nws los txog rau ternary lithium roj teeb, qhov kub thiab txias tuaj yeem ua rau muaj kev puas tsuaj;Yog li, lawv yuav tsum nyob twj ywm hauv qhov chaw txias thiab qhuav kom deb ntawm txhua yam kub kub lossis noo noo.Ib yam li ntawd, cov roj teeb lithium hlau phosphate yuav tsum tau khaws cia rau hauv qhov chaw txias nrog cov av noo me ntsis rau kev ua haujlwm zoo.Ua raws li cov lus qhia no yuav pab xyuas kom koj cov roj teeb muaj peev xwm ua haujlwm ntawm lawv qhov zoo tshaj plaws kom ntev li ntev tau.

 

Lithium Iron Phosphate thiab Ternary Lithium Ib puag ncig kev txhawj xeeb

Thaum nws los txog rau ib puag ncig kev ruaj ntseg, ob qho tib si Lithium Phosphate (LiFePO4) thiab ternary lithium roj teeb technologies muaj lawv qhov zoo thiab qhov tsis zoo.LiFePO4 roj teeb muaj qhov ruaj khov dua li ternary lithium roj teeb thiab tsim kom muaj kev phom sij tsawg dua thaum muab pov tseg.Txawm li cas los xij, lawv zoo li loj dua thiab hnyav dua li ternary lithium roj teeb.

Ntawm qhov tod tes, ternary lithium roj teeb yields lub zog ntau dua ntawm ib chav tsev qhov hnyav thiab ntim ntau dua li LiFePO4 hlwb tab sis feem ntau muaj cov khoom siv tshuaj lom xws li cobalt uas muaj kev phom sij rau ib puag ncig yog tias tsis rov siv dua lossis pov tseg.

Feem ntau, Lithium Phosphate roj teeb yog qhov kev xaiv zoo dua vim lawv qhov cuam tshuam ib puag ncig qis thaum muab pov tseg.Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias ob qho tib si LiFePO4 thiab ternary lithium roj teeb tuaj yeem siv dua thiab yuav tsum tsis txhob muab pov tseg kom thiaj li txo tau qhov tsis zoo rau ib puag ncig.Yog tias ua tau, nrhiav cov hauv kev los rov ua dua cov roj teeb no lossis xyuas kom lawv muab pov tseg kom zoo yog tias tsis muaj lub sijhawm zoo li no.

 

Puas yog Lithium roj teeb yog qhov kev xaiv zoo tshaj?

Cov roj teeb lithium yog me me, lub teeb yuag, thiab muaj lub zog ntau dua li lwm hom roj teeb.Qhov no txhais tau tias txawm tias lawv me me npaum li cas los xij, koj tseem tuaj yeem tau txais ntau lub zog tawm ntawm lawv.Tsis tas li ntawd, cov hlwb no muaj lub neej ntev heev thiab kev ua haujlwm zoo tshaj qhov kub thiab txias.

Tsis tas li ntawd, tsis zoo li cov roj teeb txhuas-acid lossis npib tsib xee-cadmium roj teeb, uas yuav xav tau kev saib xyuas thiab hloov ntau zaus vim lawv lub neej luv, lithium roj teeb tsis xav tau kev saib xyuas zoo li no.Lawv feem ntau kav ntev li 10 xyoo nrog kev saib xyuas tsawg tsawg thiab kev ua haujlwm tsawg tsawg hauv lub sijhawm ntawd.Qhov no ua rau lawv zoo tagnrho rau cov neeg siv khoom siv, nrog rau kev xav tau kev lag luam ntau dua.

Cov roj teeb lithium yeej yog qhov kev xaiv zoo nkauj thaum nws los txog rau cov nqi-zoo thiab kev ua tau zoo hauv kev sib piv rau lwm txoj hauv kev, txawm li cas los xij, lawv tuaj nrog qee qhov kev poob qis.Piv txwv li, lawv tuaj yeem ua rau muaj kev phom sij yog tias tsis ua haujlwm zoo vim lawv lub zog muaj zog thiab tuaj yeem ua rau muaj kev pheej hmoo ntawm hluav taws lossis tawg yog tias puas lossis overcharged.Tsis tas li ntawd, thaum lawv lub peev xwm yuav pib zoo li zoo nkauj piv rau lwm hom roj teeb, lawv qhov peev xwm tso tawm tiag tiag yuav txo qis thaum lub sijhawm.

 

Yog li, Puas yog Lithium Phosphate Batteries Zoo dua li Ternary Lithium Battery?

Thaum kawg, tsuas yog koj tuaj yeem txiav txim siab yog tias cov roj teeb lithium phosphate zoo dua li ternary lithium roj teeb rau koj cov kev xav tau.Xav txog cov ntaub ntawv saum toj no thiab txiav txim siab raws li qhov tseem ceeb tshaj plaws rau koj.

Koj puas saib xyuas kev nyab xeeb?Lub roj teeb lub neej ntev?Fast recharge lub sij hawm?Peb cia siab tias tsab xov xwm no tau pab tshem tawm qee qhov tsis meej pem kom koj tuaj yeem txiav txim siab paub txog hom roj teeb yuav ua haujlwm zoo tshaj rau koj.

Muaj lus nug?Cia ib saib hauv qab no thiab peb yuav zoo siab los pab.Peb xav kom koj muaj hmoo zoo hauv kev nrhiav lub zog zoo meej rau koj qhov project tom ntej!

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Serge Sarkis

Serge tau txais nws Master of Mechanical Engineering los ntawm Lebanese American University, tsom mus rau cov khoom siv science thiab electrochemistry.
Nws kuj ua haujlwm ua R&D engineer ntawm Lebanese-American startup tuam txhab.Nws txoj haujlwm ua haujlwm tsom mus rau lithium-ion roj teeb degradation thiab tsim qauv kev kawm tshuab rau kev kwv yees kawg ntawm lub neej.

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