Taw qhia rau cov kev paub yooj yim ntawm cov roj teeb lithium
Mar 18, 2025
1, sib xyaw ntawm cov roj teeb lithium
1Cov. Cov Khoom Siv Hluav Taws Xob Zoo Li Qub: Lithium cobalt oxide (Lithium ₂), Lithium ₂), Lithpo ₄), thiab cov LinixhoymNnzo ₂) yog siv ntau. Cov ntaub ntawv sib txawv ntawm cov khoom hluav taws xob muaj cov yam ntxwv sib txawv. Piv txwv li, Lithium cobalt oxide muaj lub zog muaj zog tab sis kuj muaj kev nyab xeeb me me, thaum muaj Lithium ironate muaj kev nyab xeeb thiab ntev lub zog ntom ntom ntom.
2Cov. Cov khoom tsis zoo rau hluav taws xob: feem ntau ua los ntawm cov ntaub ntawv carbon xws li graphite, nws muaj nuj nqi yog khaws cov roj ntsha lit thaum them nyiaj thiab tso cov ions metheming. Cov ntaub ntawv tsis zoo rau cov khoom siv hluav taws xob tsis zoo rau theem nrab carbon tsom microspheres, Lithium Titanate, thiab lwm yam.
3Cov. Diaphragm: ib qho porous polymer zaj duab xis uas yog cov hluav taws xob tsis zoo, tiv thaiv cov kab luv luv, thiab pub txo ions kom dhau los ntawm. Cov khoom siv ntawm cov diaphragm feem ntau yog polyolefin muaj qhov tso duab.
4Cov. Electrolyte: Feem ntau yog tsim ntawm cov ntsev lithium (xws li lithium hexafluorophosphate lasp ₆) thiab cov kuab tshuaj organic, lub luag haujlwm rau kev ua lithoium thiab hluav taws xob tsis zoo. Lub electrolyte tuaj yeem ua kua lossis gel.
5Cov. Plhaub: lub plhaub ntawm lub roj teeb tuaj yeem ua los ntawm cov roj teeb tuaj yeem ua los ntawm cov roj teeb, txhuas, npib tsib caum plated hlau, lossis cov yeeb yaj kiab aluminium. Lub plhaub kuj tseem muaj lub hau rau lub roj teeb, uas ua haujlwm ua qhov hluav taws xob rau cov hluav taws xob zoo thiab tsis zoo.
2, tus ua haujlwm ua haujlwm ntawm roj teeb roj teeb lithium
Thaum them, Lithium ES raug tso tawm los ntawm cov khoom siv electrode zoo, dhau los ntawm electrolyte los ntawm tus separator, thiab kos rau cov khoom tsis zoo electrode; Thaum lub sij hawm tso tawm, lithium ions yog tso tawm los ntawm cov khoom tsis zoo electrode, thiab rov qab rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab mus rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab mus rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab mus rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab mus rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv elevel, thiab xa rov qab rau cov khoom siv electrolyte los ntawm cov khoom siv elevel, thiab xa mus rau cov khoom siv hluav taws xob zoo, tsim cov txheej txheem tam sim no.
3, kev faib tawm cov roj teeb lithium
1Cov. Tso cai ntawm lub ntsej muag: Square lithium roj teeb, cylindrical roj teeb, mos ntim pob roj teeb lithium;
2Cov. Cais los ntawm outsourcing cov ntaub ntawv: aluminium lub taub hau lithium roj teeb, steel zoo lithium roj teeb, thiab cov pob zeb ntim muag;
3Cov. Muab cov khoom siv tau los ntawm cov khoom lag luam zoo: Lithium cobalves oxide (Lithium Manganese oxide (litthium Lithium (LilesBoyMNeMNzo4), Lithium Hlau Phosphate (Li Cashium4);
4Cov. Faib los ntawm electrolyte lub xeev: lithium-ion roj teeb (lib) thiab polymer roj (plb);
5Cov. Hais kom meej los ntawm lub hom phiaj: roj teeb thiab roj teeb fais fab.
6Cov. Tso Cai Los Ntawm Kev Ua Tau Zoo: Cov roj teeb muaj peev xwm siab, cov roj teeb kub, roj teeb tsawg, thiab lwm yam
4, Cov yam ntxwv ntawm cov roj teeb lithium
1. Kev ua kom muaj zog: Lithium roj teeb roj teeb tuaj yeem khaws cov roj teeb lithium ntau dua li lwm hom roj teeb ntawm tib lub ntim lossis qhov hnyav.
2
3. Tus lej tso tawm tus kheej tsawg: Thaum tsis siv, tus kheej tso tawm tus kheej yog qeeb thiab tuaj yeem tswj lub zog ntev.
4. Kev tiv thaiv ib puag ncig: nws tsis muaj cov hlau hnyav xws li mercury thiab cadmium, thiab yog ib puag ncig phooj ywg.
5, piav qhia ntawm cov ntsiab lus sib txawv
1. Muaj peev xwm
Hais txog cov hluav taws xob ntau uas tuaj yeem tau txais los ntawm Lithium hauv lub roj teeb nyob hauv qee qhov kev tawm tsam. Cov qauv rau roj teeb muaj Q {0}} i * t, ntsuas hauv coulombs. Lub peev xwm kev muaj peev xwm ntawm lub roj teeb tau hais tias yog ah (ampere teev) lossis Max (MilliaMpere teev), uas txhais tau tias 1AH lub roj teeb yuav raug rho tawm rau 1 teev uas muaj 1 tus nqi tam sim no.
Yav dhau los, lub roj teeb ntawm nokia cov xov tooj qub (xws li bl -5 c) yog feem ntau 500mAh. Tam sim no, lub roj teeb ntawm smartphones yog 800-1900 mah, hluav taws xob fais fab feem ntau 20-200 AH.
2. Them tus nqi / kev tawm mus
Nws sawv cev ntawm cov nyiaj tam sim no siv rau them thiab rho tawm, feem ntau suav nrog ntau ntawm cov roj teeb, uas tau raug xa mus rau ob peb qib Celsius. Rau lub roj teeb nrog lub peev xwm ntawm 15 0 0mah, 1c yog teev raws li 1500mAh. Yog tias tso tawm ntawm 2C, nws raug rho tawm nrog ib qho tam sim no ntawm 3000mA, thiab them rau 0.1C, nws tau them nrog ib qho tam sim no ntawm 150ma.
3. Voltage (OCV: Qhib Circuit Court Voltage)
Qhov hluav taws xob ntawm lub roj teeb feem ntau yog hais txog cov nominal voltage (tseem hu ua qhov ntsuas hluav taws xob) ntawm cov roj teeb lithium. Lub nominal voltage ntawm ib txwm muaj roj teeb lithium feem ntau yog 3.7v, thiab peb kuj xa mus rau nws lub chaw voltage Plustau li 3.7v.
When the battery has a capacity of 20~80%, the voltage is concentrated at around 3.7V (3.6~3.9V), and if the capacity is too high or too low, the voltage changes greatly.
4. Zog / Hwj Chim
Lub zog (e) tias lub roj teeb tuaj yeem tso tawm thaum nws tau tso tawm rau qee cov txheej txheem yog ntsuas rau ntawm wh (watt teev), nrog 1kWh {1}} kWh.
E=u * i * t, nws tseem yog sib npaug ntawm cov roj teeb hluav taws xob los ntawm lub roj teeb muaj peev xwm
The formula for power is, P=U*I=E/t, Indicates the amount of energy that can be released per unit time. Chav tsev yog w (watts) lossis kW (kilowatts). Lub roj teeb nrog lub peev xwm ntawm 1500mAA feem ntau muaj nominal voltage ntawm 3.7v, coj mus rau ib lub zog ntawm 5.55.
5. Kuj
Vim tias qhov tseeb uas them thiab rho tawm tsis tuaj yeem sib npaug nrog lub zog zoo tshaj plaws, muaj qee qhov tsis kam tiv thaiv sab hauv. Sab hauv kev siv lub zog, ntawm chav kawm, qhov me me sab hauv kev tiv thaiv, qhov zoo dua.
Chav ntawm sab hauv kev tiv thaiv ntawm lub roj teeb yog milliohms (m ω).
Sab hauv kev tawm tsam ntawm lub roj teeb raug yog tsim los ntawm ohmic tsis kam, thiab qhov ntau ntawm cov txheej txheem kev tsim khoom, thiab qauv ntawm lub roj teeb.
6. Lub Neej Lub Neej
Them thiab rho tawm lub roj teeb ib zaug hu ua lub voj voog, thiab lub neej voj voog yog qhov ntsuas tau tseem ceeb los ntsuas kev ua haujlwm ntawm lub roj teeb lub neej.
Tus qauv IEC nkaus uas yuav tsum tau muab tso tawm ntawm lub xov tooj ntawm tes lithium Tom qab 500 mus txog, lub roj teeb muaj peev xwm yuav tsum tau tswj hwm thaum 60% lossis ntau dua ntawm qhov muaj peev xwm pib. Uas yog hais, lub neej voj voog ntawm cov roj teeb lithium roj yog 500 zaug.
Raws li lub teb chaws tus qauv, tom qab lub neej voj voog ntawm 300 lub sij hawm, lub peev xwm yuav tsum tau tswj hwm ntawm 70% ntawm thawj lub peev xwm. Yog lub roj teeb muaj peev xwm tsawg dua 60% ntawm thawj lub peev xwm, nws yog feem ntau suav tias yuav tsum tau txhuam.
7. Qhov tob ntawm tso tawm (dod)
Txhais raws li feem pua ntawm lub peev xwm tso tawm los ntawm lub roj teeb mus rau lub peev xwm ntsuas.
Qhov tob tob rau qhov tob tob ntawm cov roj teeb lithium, cov roj teeb luv dua.
8. Txiav tawm voltage
Lub clepination voltage tau muab faib ua kev them cov hluav taws xob voltage thiab kev tshem tawm cov roj ntsha hluavtaws, uas txhais tau tias lub roj teeb uas tsis tuaj yeem them mus ntxiv lossis tawm. Txhawm rau them nyiaj ntxiv lossis tawm ntawm kev txiav cov hluav taws xob muaj qhov cuam tshuam tseem ceeb rau lub roj teeb li sia.
Lub sijhawm them rau cov roj hluav taws xob ntawm cov roj teeb lithium feem ntau yog 4.2V, thiab qhov rho tawm cov ntxaij hluav taws xob yog 3. {} V.
Kev them sib sib zog nqus lossis rho tawm ntawm cov roj teeb lithium dhau ntawm cov kev txiav hluav taws xob feem ntau yog nruj me ntsis txwv.
9. Tus kheej tawm tus kheej
Tus nqi ntawm lub peev xwm ntawm lub roj teeb txo thaum lub sijhawm cia, qhia raws li feem pua ntawm kev txo qis hauv ib qho ntawm lub sijhawm.
Tus kheej tawm tus kheej ntawm ib qho roj teeb lithium yog 2% rau 9% ib hlis.
10. Tas (Lub Xeev ntawm Tus Nqi)
Yog hais txog feem pua ntawm cov roj teeb tseem ceeb rau tag nrho cov nyiaj ntawm lub zog uas tuaj yeem tso tawm, xws li los ntawm {{0%. Xav txog kev ntsuas roj teeb ntxiv.
6, npe paj ntaub rau cov roj teeb
Cov chaw tsim khoom sib txawv muaj cov rooj sib txawv, tab sis cov roj teeb thoob ntiaj teb txhua yam ua raws li lub roj teeb sib koom ua ke, thiab qhov loj me yog txiav txim siab los ntawm nws lub npe.
Raws li IEC 61960, txoj cai rau cov roj teeb cylindrical thiab square roj teeb muaj raws li hauv qab no:
1. Cov roj teeb cylindricric
3 Cov ntawv sau ua ntej 5 tus lej.
Peb tus tsiaj ntawv, thawj tsab ntawv sawv cev rau cov khoom tsis zoo electrode, Kuv sawv cev rau ntawm lub lab las, thiab l sawv cev rau cov hlau lithium lossis lithium allloy electrode; Daim ntawv thib ob sawv cev rau cov khoom siv electrode zoo, c Tus thib peb tsab ntawv, r, sawv cev cylindrical puab.
5 tus lej, thawj 2 tus lej los sawv cev txoj kab uas hla thiab 3 tus lej kawg sawv cev rau qhov siab, txhua hauv millimeters.
2. Cov roj teeb
3 tus ntawv sau ua ntej 6 tus lej.
Peb tus tsiaj ntawv, thawj tsab ntawv sawv cev rau cov khoom tsis zoo electrode, Kuv sawv cev rau ntawm lub lab las, thiab l sawv cev rau cov hlau lithium lossis lithium allloy electrode; Daim ntawv thib ob sawv cev rau cov khoom siv electrode zoo, c Tus thib peb tsab ntawv p sawv cev ib lub xwmfab.
6 tus lej, thawj 2 tus lej los sawv cev tuab, tus lej 2 nrab sawv cev rau qhov siab, thiab 2 tus lej kawg sawv cev (ntev), tag nrho hauv millimeters.
Piv txwv li, ICR 18650 yog lub roj teeb universal nrog txoj kab uas hla ntawm 18 hli thiab qhov siab ntawm 65mm; ICP 053353 yog lub roj teeb ci nrog ib tuab ntawm 5 hli, ib qho dav ntawm 33mm, thiab qhov siab) ntawm 53mm.
