C-rate ntawm lub roj teeb yog ib chav tsev uas ntsuas qhov ceev ntawm lub roj teeb them lossis tso tawm, tseem hu ua tus nqi them / tso tawm. Tshwj xeeb, tus C-rate sawv cev rau ntau yam kev sib raug zoo ntawm lub roj teeb lub nqi / tso tawm tam sim no thiab nws cov peev xwm ntsuas. Cov mis laij lej yog:
Charge / Discharge Rate = Charge / Discharge Current / Rated Capacity
Txhais: C-rate, kuj hu ua tus nqi / tso tawm, yog qhov piv ntawm tus nqi / tawm tam sim no rau lub peev xwm ntawm lub roj teeb. Piv txwv li, rau lub roj teeb uas muaj peev xwm ntawm 100Ah, tawm ntawm qhov tam sim no ntawm 20A sib raug rau tus nqi tawm ntawm 0.2C.
Kev nkag siab: Qhov tso tawm C-tus nqi, xws li 1C, 2C, lossis 0.2C, qhia txog qhov tso tawm ceev. Tus nqi ntawm 1C txhais tau hais tias lub roj teeb tuaj yeem tso tawm tag nrho hauv ib teev, thaum 0.2C qhia tias tso tawm ntau tshaj tsib teev. Feem ntau, cov hluav taws xob sib txawv tuaj yeem siv los ntsuas lub peev xwm roj teeb. Rau lub roj teeb 24Ah, 2C tawm tam sim no yog 48A, thaum 0.5C tawm tam sim no yog 12A.
Kev Ntsuas Kev Ua Haujlwm: Los ntawm kev tso tawm ntawm qhov sib txawv C-tus nqi, nws tuaj yeem kuaj cov roj teeb tsis zoo xws li lub peev xwm, kev tiv thaiv sab hauv, thiab lub platform tawm, uas pab ntsuas roj teeb zoo thiab kev ua neej nyob.
Application Scenarios: Cov xwm txheej sib txawv ntawm daim ntawv thov muaj qhov sib txawv C-tus nqi. Piv txwv li, lub tsheb hluav taws xob xav tau cov roj teeb C-siab kom ceev ceev / tso tawm, thaum lub zog khaws cia tseem ceeb rau lub neej ntev thiab tus nqi, feem ntau xaiv rau qis C-tus nqi them thiab tso tawm.
Cell Performance
Cell Capacity: Tus C-rate yog qhov tseem ceeb ntawm qhov sib piv ntawm tus nqi / tso tawm tam sim no rau lub xov tooj ntawm lub peev xwm ntsuas. Yog li, lub peev xwm ntawm tes ncaj qha txiav txim siab C-rate. Qhov loj ntawm lub peev xwm ntawm tes, qhov qis C-tus nqi rau tib qhov tso tawm tam sim no, thiab rov ua dua.
Cell Materials thiab Structure: Cov khoom siv thiab cov qauv ntawm tes, suav nrog cov khoom siv hluav taws xob, thiab hom electrolyte, cuam tshuam rau kev them nqi / kev ua haujlwm tawm thiab yog li cuam tshuam rau C-rate. Qee cov ntaub ntawv tuaj yeem txhawb nqa tus nqi siab thiab tso tawm, thaum lwm tus tuaj yeem tsim nyog rau cov ntawv thov qis.
Roj teeb pob tsim
Thermal Management: Thaum lub sij hawm them nqi / tso tawm, lub roj teeb pob ua kom muaj cua sov tseem ceeb. Yog tias kev tswj xyuas thermal tsis txaus, qhov kub thiab txias sab hauv yuav nce siab, txo cov nqi hluav taws xob thiab cuam tshuam rau C-tus nqi. Yog li ntawd, zoo thermal tsim yog qhov tseem ceeb rau kev txhim kho lub roj teeb lub C-rate.
Roj Teeb Saib Xyuas Qhov System (BMS) : BMS saib xyuas thiab tswj cov roj teeb, suav nrog kev tswj cov nqi / tawm, kub, thiab lwm yam. Los ntawm kev tswj kom raug nqi / tawm tam sim no thiab qhov hluav taws xob, BMS optimizes roj teeb kev ua tau zoo, yog li txhim kho C-rate.
Cov xwm txheej sab nraud
Ambient Kub: Ib puag ncig kub yog qhov tseem ceeb hauv kev ua haujlwm ntawm roj teeb. Hauv qhov kub thiab txias, qhov kev them nqi qeeb qeeb, thiab qhov muaj peev xwm tawm tau raug txwv, txo tus nqi C. Hloov pauv, nyob rau hauv qhov kub thiab txias, overheating tuaj yeem cuam tshuam rau C-tus nqi.
Roj Teeb Lub Xeev Ntawm Kev Them Nyiaj (SOC): Thaum lub roj teeb SOC qis, kev them nyiaj yuav nrawm dua, vim tias cov tshuaj tiv thaiv sab hauv cov tshuaj tiv thaiv qis dua. Txawm li cas los xij, thaum nws nce mus txog qhov them tag nrho, qhov kev them nqi maj mam txo qis vim qhov xav tau kev tswj xyuas kom tsis txhob overcharge.
C-rate yog qhov tseem ceeb rau kev nkag siab txog roj teeb kev ua tau zoo nyob rau hauv cov xwm txheej sib txawv. Tsawg C-tus nqi (piv txwv li, 0.1C lossis 0.2C) feem ntau yog siv rau kev ntsuas kev them nqi mus sij hawm ntev / tso tawm los ntsuas lub peev xwm, kev ua haujlwm, thiab lub neej ntev. C-tus nqi siab dua (piv txwv li, 1C, 2C, lossis ntau dua) ntsuas roj teeb kev ua tau zoo rau kev ceev ceev / tso tawm, xws li lub tsheb hluav taws xob acceleration lossis drone davhlau.
Nws yog ib qho tseem ceeb kom nco ntsoov tias qhov siab dua C-tus nqi tsis yog ib txwm zoo dua. Thaum lub siab C-tus nqi pab kom them nqi / tso tawm sai dua, lawv kuj ua rau muaj peev xwm poob qis xws li kev txo qis, nce cua sov, thiab lub roj teeb luv dua. Yog li ntawd, thaum xaiv thiab siv cov roj teeb, ntsuas qhov C-rate nrog rau lwm yam kev ua tau zoo raws li cov ntawv thov tshwj xeeb thiab cov kev xav tau yog qhov tseem ceeb.
