CovLifepo4 Voltage Daim Ntawv Qhia 12V 24V 48VthiabLiFePO4 Voltage State of Charge Tablemuab cov lus qhia dav dav ntawm cov qib voltage sib xws rau ntau lub xeev tus nqi rauLiFePO4 roj teeb. Kev nkag siab txog cov qib voltage no yog qhov tseem ceeb rau kev saib xyuas thiab tswj cov roj teeb ua haujlwm. Los ntawm kev xa mus rau cov lus no, cov neeg siv tuaj yeem txheeb xyuas qhov tseeb ntawm lawv cov roj teeb LiFePO4 thiab txhim kho lawv cov kev siv kom raug.
LiFePO4 yog dab tsi?
LiFePO4 roj teeb, los yog lithium hlau phosphate roj teeb, yog ib hom lithium-ion roj teeb uas muaj lithium ions ua ke nrog FePO4. Lawv zoo ib yam li cov tsos, qhov loj me, thiab qhov hnyav rau cov roj ntsha lead-acid, tab sis txawv ntawm cov hluav taws xob ua tau zoo thiab kev nyab xeeb. Piv nrog rau lwm hom lithium-ion roj teeb, LiFePO4 roj teeb muaj lub zog tawm ntau dua, qis zog ceev, ruaj khov mus ntev, thiab cov nqi them ntau dua. Cov txiaj ntsig no ua rau lawv nyiam hom roj teeb rau lub tsheb fais fab, nkoj, drones, thiab cov cuab yeej hluav taws xob. Tsis tas li ntawd, lawv tau siv nyob rau hauv lub hnub ci lub zog cia cov tshuab thiab cov khoom siv hluav taws xob rov qab vim lawv lub neej ntev them lub neej thiab kev ruaj ntseg zoo dua ntawm qhov kub thiab txias.
Lifepo4 Voltage State of Charge Table
Lifepo4 Voltage State of Charge Table
| Lub xeev them nqi (SOC) | 3.2V roj teeb voltage (V) | 12V roj teeb voltage (V) | 36V roj teeb voltage (V) |
|---|---|---|---|
| 100% Aufladung | 3, 65v | 14, 6v | 4 3,8v |
| 100% Ruhe | 3.4v ua | 13.6v 0 | 4 0,8v |
| 90% | 3, 35v | 13.4 V | 40.2 ib |
| 80% | 3, 32v | 13.28 V Nws | 3 9,84v |
| 70% | 3.3v ua | 13.2v 2 | 3 9,6v |
| 60% | 3, 27v | 13.08 Nws | 3 9.24v |
| 50% | 3, 26 v | 13.04 Nws | 3 9.12v |
| 40% | 3, 25 v | 13 v | 39v ua |
| 30% | 3, 22 v | 12.88 V | 38, 64v |
| 20% | 3.2v ua | 12,8v 0 | 38.4 ib |
| 10% | 3V | 12 v | 36v ua |
| 0% | 2.5v ua | 10 V | 30 V |
Lifepo4 Voltage State of Charge Table 24V
| Lub xeev them nqi (SOC) | 24V roj teeb voltage (V) |
|---|---|
| 100% Aufladung | 2 9.2v |
| 100% Ruhe | 27.2v ua |
| 90% | 26, 8v |
| 80% | 26.56 V., ib |
| 70% | 26, 4v |
| 60% | 26.16 V IB |
| 50% | 26.08 V., ib |
| 40% | 26 v |
| 30% | 25, 76 v |
| 20% | 25, 6v |
| 10% | 24 v |
| 0% | 20 V ua |
Lifepo4 Voltage State of Charge Table 48V
| Lub xeev them nqi (SOC) | 48V roj teeb voltage (V) |
|---|---|
| 100% Aufladung | 5 8.4v |
| 100% Ruhe | 5 8.4v |
| 90% | 53.6 ib |
| 80% | 5 3,12v |
| 70% | 5 2,8v |
| 60% | 5 2,32v |
| 50% | 52.16 ib |
| 40% | 52v ua |
| 30% | 5 1,52v |
| 20% | 5 1,2v |
| 10% | 48v ua |
| 0% | 40v ua |
Lifepo4 Voltage State of Charge Table 72V
| Lub xeev them nqi (SOC) | Roj teeb voltage (V) |
|---|---|
| 0% | 60V-63V |
| 10% | 63V-65V |
| 20% | 65V-67V |
| 30% | 67V-69V |
| 40% | 69V-71V |
| 50% | 71V-73V |
| 60% | 73V-75V |
| 70% | 75V-77V |
| 80% | 77V-79V |
| 90% | 79V-81V |
| 100% | 81V-83V |
LiFePO4 Voltage daim ntawv (3.2V, 12V, 24V, 48V)
3.2V Lifepo4 Voltage Chart
12V Lifepo4 Voltage Chart
24V Lifepo4 Voltage Daim ntawv qhia
36V Lifepo4 Voltage Chart
48V Lifepo4 Voltage Daim ntawv qhia
LiFePO4 Battery Charging & Discharge
Lub Xeev Tus Nqi (SoC) thiab LiFePO4 roj teeb hluav taws xob daim ntawv qhia qhia kev nkag siab txog qhov voltage ntawm LiFePO4 roj teeb txawv li cas nrog nws Lub Xeev Tus Nqi. SoC sawv cev rau qhov feem pua ntawm cov hluav taws xob muaj nyob hauv lub roj teeb txheeb ze rau nws lub peev xwm siab tshaj plaws. Kev nkag siab txog qhov kev sib raug zoo no yog qhov tseem ceeb rau kev saib xyuas cov roj teeb kev ua tau zoo thiab ua kom pom kev ua haujlwm zoo hauv ntau daim ntawv thov.
| Lub Xeev Tus Nqi (SoC) | LiFePO4 Roj teeb Voltage (V) |
|---|---|
| 0% | 2.5V - 3.0V |
| 10% | 3.0V - 3.2V |
| 20% | 3.2V - 3.4V |
| 30% | 3.4V - 3.6V |
| 40% | 3.6-3.8V |
| 50% | 3.8V - 4.0V |
| 60% | 4.0V - 4.2V |
| 70% | 4.2V - 4.4V |
| 80% | 4.4V - 4.6V |
| 90% | 4.6-4.8V |
| 100% | 4.8V - 5.0V |
Kev txiav txim siab lub roj teeb lub Xeev ntawm Kev Them Nqi (SoC) tuaj yeem ua tiav los ntawm ntau txoj hauv kev, suav nrog kev ntsuas hluav taws xob, suav coulomb, thiab kev ntsuas lub ntiajteb txawj nqus.
Kev ntsuas hluav taws xob:Lub roj teeb siab dua feem ntau qhia tias lub roj teeb puv puv. Rau kev nyeem kom raug, nws yog ib qho tseem ceeb kom cia lub roj teeb so tsawg kawg yog plaub teev ua ntej ntsuas. Qee cov neeg tsim khoom pom zoo kom lub sijhawm so ntev dua, txog li 24 teev, kom ntseeg tau tias cov txiaj ntsig tau raug.
Kev suav Coulombs:Txoj kev no ntsuas qhov ntws ntawm tam sim no hauv thiab tawm ntawm lub roj teeb, suav nrog hauv ampere-seconds (Raws li). Los ntawm kev taug qab cov roj teeb them thiab cov nqi tso tawm, coulomb suav muab kev ntsuam xyuas meej ntawm SoC.
Specific Gravity Analysis:SoC ntsuas siv lub ntiajteb txawj nqus tshwj xeeb yuav tsum muaj hydrometer. Cov cuab yeej no saib xyuas cov kua dej ntom ntom raws li buoyancy, muab kev nkag siab txog lub roj teeb lub xeev.
Txhawm rau kom ntev LiFePO4 roj teeb lub neej, nws yog ib qho tseem ceeb kom them nws kom zoo. Txhua hom roj teeb muaj qhov ntsuas hluav taws xob tshwj xeeb rau kev ua tiav qhov siab tshaj plaws thiab txhim kho roj teeb kev noj qab haus huv. Kev xa mus rau SoC daim ntawv qhia tuaj yeem coj kev siv zog ntxiv. Piv txwv li, 24V roj teeb lub 90% them qib sib raug rau kwv yees li 26.8V.
Lub xeev ntawm tus nqi nkhaus qhia tau hais tias yuav ua li cas lub roj teeb 1-cell voltage txawv ntawm lub sijhawm them. Qhov nkhaus no muab kev nkag siab zoo rau lub roj teeb tus cwj pwm them nyiaj, pab txhim kho cov tswv yim them nyiaj rau lub roj teeb ntev.
Lifepo4 Battery State of charge Curve @ 1C 25C
Voltage: Ib qhov siab dua nominal voltage qhia tias lub roj teeb them ntau dua. Piv txwv li, yog tias lub roj teeb LiFePO4 nrog lub nominal voltage ntawm 3.2V nce mus txog qhov hluav taws xob ntawm 3.65V, nws qhia tau hais tias lub roj teeb muaj zog heev.
Coulomb Counter: Cov cuab yeej no ntsuas qhov ntws ntawm tam sim no rau hauv thiab tawm ntawm lub roj teeb, suav nrog hauv ampere-seconds (Raws li), txhawm rau ntsuas lub roj teeb them thiab tawm tus nqi.
Specific Gravity: Txhawm rau txiav txim siab txog Lub Xeev Tus Nqi (SoC), yuav tsum muaj hydrometer. Nws ntsuam xyuas cov kua ntom ntom raws li qhov buoyancy.
LiFePO4 Battery Charging Parameters
LiFePO4 roj teeb them muaj ntau yam tsis muaj hluav taws xob, suav nrog kev them nqi, ntab, siab tshaj / tsawg kawg, thiab nominal voltages. Hauv qab no yog cov lus piav qhia txog cov kev them nyiaj no hla ntau theem sib txawv: 3.2V, 12V, 24V, 48V, 72V
| Qhov voltage (V) | Kev them nyiaj Voltage Range | Float Voltage Range | Qhov siab tshaj plaws voltage | Yam tsawg kawg nkaus Voltage | Nominal voltage |
|---|---|---|---|---|---|
| 3.2v ua | 3.6-3.8V | 3.4V - 3.6V | 4.0v ua | 2.5v ua | 3.2v ua |
| 12 v | 14.4V - 14.6V | 13.6V - 13.8V | 15,0v 0 | 10.0V 10 | 12 v |
| 24 v | 28.8V - 29.2V | 27.2V - 27.6V | 30, 0v | 20,0v | 24 v |
| 48v ua | 57.6V - 58.4V | 54.4V - 55.2V | 6 0,0v | 4 0,0v | 48v ua |
| 72v ua | 86.4V - 87.6V | 81.6V - 82.8V | 9 0,0v | 6 0,0v | 72v ua |
Lifepo4 Battery Bulk Float Equalize Voltage
Peb hom hluav taws xob tseem ceeb feem ntau ntsib yog bulk, ntab, thiab sib npaug.
Voltage ntau:Qhov ntsuas hluav taws xob no ua kom yooj yim them lub roj teeb nrawm, feem ntau pom thaum lub sijhawm pib them thaum lub roj teeb tawm tag. Rau 12-volt LiFePO4 roj teeb, qhov hluav taws xob ntau yog 14.6V.
Float Voltage:Ua haujlwm ntawm qib qis dua li qhov hluav taws xob ntau, qhov hluav taws xob no tau txhawb nqa thaum lub roj teeb mus txog tag nrho cov nqi. Rau 12-volt LiFePO4 roj teeb, qhov hluav taws xob ntab yog 13.5V.
Sib npaug Voltage:Kev sib npaug yog cov txheej txheem tseem ceeb rau kev tswj cov roj teeb muaj peev xwm, yuav tsum tau ua raws sijhawm. Qhov sib npaug voltage rau 12-volt LiFePO4 roj teeb yog 14.6V.
| Qhov voltage (V) | 3.2v ua | 12 v | 24 v | 48v ua | 72v ua |
|---|---|---|---|---|---|
| Loj | 3.65 ib | 14.6 ib | 29.2 ib | 58.4 ib | 87.6 ib |
| ntab | 3.375 ib | 13.5 Nws | 27.0 Nws | 54.0 ua | 81.0 ua |
| Sib npaug | 3.65 ib | 14.6 ib | 29.2 ib | 58.4 ib | 87.6 ib |
12V Lifepo4 roj teeb tawm tam sim no nkhaus 0.2C 0.3C 0.5C 1C 2C
Cov roj teeb tawm tshwm sim thaum lub hwj chim tawm ntawm lub roj teeb los them cov khoom siv. Cov kab hluav taws xob tawm graphically qhia txog kev sib raug zoo ntawm qhov hluav taws xob thiab lub sijhawm tso tawm.
Hauv qab no, koj yuav pom qhov paug tawm rau 12V LiFePO4 roj teeb ntawm ntau tus nqi tawm.
Tej yam cuam tshuam rau lub roj teeb lub xeev ntawm tus nqi
| Qhov xwm txheej | Kev piav qhia | Qhov chaw |
|---|---|---|
| Roj teeb kub | Roj teeb kub yog ib qho tseem ceeb cuam tshuam rau SOC. Cov kub kub ua kom cov tshuaj tiv thaiv sab hauv hauv lub roj teeb, ua rau lub roj teeb muaj peev xwm poob thiab txo cov nqi them. | US Department of Energy |
| Cov khoom siv roj teeb | Cov khoom siv roj teeb sib txawv muaj cov khoom siv tshuaj sib txawv thiab cov qauv sab hauv, uas cuam tshuam rau kev them nyiaj thiab tso tawm cov yam ntxwv, thiab yog li SOC. | Roj teeb University |
| Daim ntawv thov roj teeb | Cov roj teeb tau txais kev them nqi sib txawv thiab tso tawm cov qauv hauv ntau qhov kev thov thiab siv, cuam tshuam ncaj qha rau lawv qib SOC. Piv txwv li, lub tsheb hluav taws xob thiab lub zog khaws cia muaj cov qauv siv roj teeb sib txawv, ua rau ntau qib SOC sib txawv. | Roj teeb University |
| Lub roj teeb Maintenance | Kev saib xyuas tsis raug ua rau muaj peev xwm txo qis thiab SOC tsis ruaj khov. Kev saib xyuas tsis raug suav nrog kev them nyiaj tsis raug, lub sijhawm ua haujlwm ntev, thiab kev saib xyuas tsis tu ncua. | US Department of Energy |
Peev Xwm Ntau Yam ntawm Lithium Hlau Phosphate (Lifepo4) roj teeb
| Roj teeb muaj peev xwm (Ah) | Tej kev siv | Paub meej ntxiv |
|---|---|---|
| 10 aw | Portable electronics, cov khoom siv me me | Haum rau cov khoom siv xws li cov khoom siv nqa tau yooj yim, lub teeb nyem LED, thiab cov khoom siv hluav taws xob me me. |
| 20 ah ib | Cov tsheb kauj vab hluav taws xob, cov khoom siv ruaj ntseg | Qhov zoo tshaj plaws rau kev siv fais fab tsheb kauj vab, lub koob yees duab kev ruaj ntseg, thiab cov tshuab hluav taws xob me me. |
| 50ah ib | Hnub ci zog cia tshuab, khoom siv me me | Feem ntau siv nyob rau hauv off-grid solar systems, thaub qab lub zog rau cov khoom siv hauv tsev xws li tub yees, thiab cov phiaj xwm hluav taws xob me me. |
| 100 aw | RV roj teeb lub tsev txhab nyiaj, roj teeb marine, lub zog thaub qab rau cov khoom siv hauv tsev | Tsim nyog rau kev siv lub zog ua si (RVs), nkoj, thiab muab lub zog thaub qab rau cov khoom siv hauv tsev tseem ceeb thaum lub zog hluav taws xob lossis hauv qhov chaw tsis sib xws. |
| 150 aw | Lub tshuab hluav taws xob cia rau cov tsev me me lossis cabins, nruab nrab-qhov loj me thaub qab fais fab | Tsim los siv rau hauv cov tsev me me lossis cov cab cab, nrog rau cov tshuab hluav taws xob nruab nrab rau cov chaw nyob deb lossis ua lub zog thib ob rau cov vaj tsev nyob. |
| 200 aw | Cov khoom siv hluav taws xob loj loj, tsheb fais fab, lub zog thaub qab rau cov tsev lag luam lossis cov chaw | Qhov zoo tshaj plaws rau cov phiaj xwm loj loj, siv hluav taws xob tsheb (EVs), thiab muab lub zog thaub qab rau cov tsev lag luam, cov chaw khaws ntaub ntawv, lossis cov chaw tseem ceeb. |
Tsib yam tseem ceeb cuam tshuam rau lub neej ntawm LiFePO4 roj teeb.
| Qhov xwm txheej | Kev piav qhia | Cov ntaub ntawv Source |
|---|---|---|
| Overcharging / Overdischarge | Overcharge lossis overdischarging tuaj yeem ua rau cov roj teeb LiFePO4 puas, ua rau muaj peev xwm degradation thiab txo lub neej. Kev them nyiaj ntau dhau tuaj yeem ua rau muaj kev hloov pauv hauv cov tshuaj muaj pes tsawg leeg hauv cov electrolyte, ua rau muaj roj thiab hluav taws xob, ua rau lub roj teeb o thiab kev puas tsuaj sab hauv. | Roj teeb University |
| Charge / Discharge Cycle suav | Ncua sij hawm them / tawm mus ua kom lub roj teeb laus, txo nws txoj sia. | US Department of Energy |
| Kub | Cov kub kub ceev roj teeb kev laus, txo nws txoj sia. Ntawm qhov kub thiab txias, roj teeb kev ua tau zoo kuj raug cuam tshuam, ua rau lub roj teeb muaj peev xwm txo. | Roj teeb University; US Department of Energy |
| Tus nqi them | Cov nqi them ntau dhau yuav ua rau lub roj teeb overheat, ua rau cov electrolyte puas thiab txo cov roj teeb lifespan. | Roj teeb University; US Department of Energy |
| Qhov tob ntawm kev tso tawm | Qhov tob ntawm qhov tso tawm ntau dhau ua rau muaj kev puas tsuaj rau LiFePO4 roj teeb, txo lawv lub neej voj voog. | Roj teeb University |
Kev xav zaum kawg
Thaum LiFePO4 roj teeb tej zaum yuav tsis yog qhov kev xaiv pheej yig tshaj plaws thaum pib, lawv muab qhov zoo tshaj plaws rau lub sijhawm ntev. Kev siv LiFePO4 voltage daim ntawv tso cai rau kev saib xyuas yooj yim ntawm lub roj teeb lub Xeev ntawm Charge (SoC).
Lub sij hawm xa tuaj: Mar-10-2024