1 Lub ntsiab lus thiab lub hom phiaj ntawm cov txheej txheem dov
Cov txheej txheem dov yog dov xovxwm sib xyaw ntawm cov khoom siv hluav taws xob zoo thiab tsis zoo ntawm cov roj teeb uas muaj cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov hlua khi, thiab lwm yam, los tsim cov qauv ntom ntom. Lub hom phiaj tseem ceeb ntawm cov menyuam nias yog ua kom lub ntsej muag ntawm tus ncej du thiab tiaj tus, thiab tiv thaiv cov roj teeb luv luv uas tshwm sim los ntawm burrs tho qhov sib cais ntawm tus ncej ncej. Compact cov khoom siv electrode coated ntawm electrode tam sim no collector kom txo qhov ntim ntawm electrode thiab txhim kho lub zog ceev ntawm lub roj teeb. Ua kom muaj kev sib cuag ntawm cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob ua kom nruj dua, thiab txhim kho cov hluav taws xob conductivity. Txhim kho lub zog sib txuas ntawm cov khoom siv txheej thiab cov khoom siv tam sim no, txo qhov tshwm sim ntawm cov hmoov poob thaum lub sij hawm caij tsheb kauj vab ntawm cov roj teeb electrodes, thiab txhim kho lub neej kev caij tsheb kauj vab thiab kev nyab xeeb ntawm cov roj teeb lithium.
2 Roll pressing txheej txheem
1. Kev npaj khoom siv:Coated cov ntaub ntawv zoo thiab tsis zoo electrode ntawm lub roj teeb nrog kev sib xyaw ntawm cov khoom siv hluav taws xob, cov hlua khi, thiab lwm yam.
2. Roller xovxwm commissioning:Muab cov ncej zoo thiab qhov tsis zoo ntawm lub roj teeb rau hauv cov menyuam xovxwm, thiab kho lub siab, nruj thiab ceev ntawm cov menyuam kom hloov mus rau cov txheej txheem loj thiab cov kev xav tau ntawm lub roj teeb.
3. Rolling txheej txheem:Lub tshuab dov pib khiav, thiab cov neeg chais tau nias cov phiaj xwm thiab tsis zoo rau cov khoom siv tsis zoo, ua rau cov qauv tuab thiab lwm yam rau tus txheej txheem.
3 Yam cuam tshuam rau cov nyhuv ntawm cov txheej txheem dov
1. Siab thiab ceev ntawm cov menyuam:Lub siab thiab ceev ntawm cov menyuam yog qhov tseem ceeb cuam tshuam rau kev ua haujlwm ntawm cov txheej txheem dov. Kev siab dhau ntawm cov menyuam tuaj yeem ua rau ntau dhau deformation ntawm cov khoom siv hluav taws xob zoo thiab tsis zoo ntawm lub roj teeb, cuam tshuam rau lub roj teeb lub voj voog lub neej; Kev nrawm nrawm ntawm cov menyuam tuaj yeem ua rau tsis txaus ntawm cov khoom sib xyaw ntawm cov khoom zoo thiab tsis zoo electrode, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov hlua khi, thiab lwm yam hauv lub roj teeb, cuam tshuam rau lub zog ceev ntawm lub roj teeb.
2. Cov khoom ntawm cov khoom zoo thiab tsis zoo electrode:Cov ntaub ntawv zoo thiab tsis zoo electrode sib txawv muaj qhov sib txawv ntawm qhov sib txawv, thiab cov txheej txheem dov tsim nyog yuav tsum tau xaiv rau kev ua haujlwm.
3. Cov khoom sib xyaw ntawm cov khoom siv hluav taws xob nrog cov khoom siv hluav taws xob, cov hlua khi, thiab lwm yam.:Cov concentration thiab muaj pes tsawg leeg ntawm kev sib xyaw ntawm cov tshuaj nquag nrog cov khoom siv hluav taws xob, cov hlua khi, thiab lwm yam tuaj yeem cuam tshuam rau cov tuab tuab ntawm cov ntawv zoo thiab tsis zoo electrode ntawm lub roj teeb.
4. Kev ua haujlwm ntawm cov menyuam xovxwm:Kev ua haujlwm ntawm cov menyuam xovxwm kuj tseem cuam tshuam rau cov txheej txheem dov. Piv txwv li, qhov tseeb, kev ruaj ntseg, thiab kev tswj hwm ntawm cov menyuam xovxwm tuaj yeem cuam tshuam qhov zoo thiab kev ua haujlwm ntawm cov menyuam xovxwm.
4 Kev cuam tshuam ntawm cov txheej txheem dov ntawm cov roj teeb ua haujlwm
1. Zog ceev:Thaum lub sij hawm dov txheej txheem, cov menyuam lub log compresses cov khoom zoo thiab tsis zoo electrode ntawm lub roj teeb, txo cov thickness ntawm cov zoo thiab tsis zoo electrode daim hlau thiab yog li ua kom lub zog ceev ntawm lub roj teeb.
2. Lub neej voj voog:Thaum lub sij hawm dov cov txheej txheem, cov menyuam lub log nias cov khoom zoo thiab tsis zoo electrode ntawm lub roj teeb, txhim kho cov adhesion ntawm cov hmoov zoo thiab tsis zoo electrode, txhim kho cov qauv thiab kev ruaj ntseg ntawm cov khoom siv roj teeb zoo thiab tsis zoo electrode, txo cov kev tiv thaiv sab hauv thiab muaj peev xwm. degradation ntawm lub roj teeb, thiab yog li txhim kho lub voj voog lub neej ntawm lub roj teeb.
3. Kev nyab xeeb:Cov txheej txheem dov tuaj yeem ua rau thaj chaw sib cuag ntawm cov khoom siv hluav taws xob zoo thiab tsis zoo ntawm lub roj teeb thiab sib xyaw ntawm cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov ntawv khi, thiab lwm yam.
4. Internal kuj:Cov txheej txheem dov tuaj yeem txhim kho cov kev sib txuas ntawm cov electrode, txo qhov kev tiv thaiv sab hauv ntawm lub roj teeb, thiab txhim kho kev them nqi thiab kev ua haujlwm ntawm lub roj teeb.
Txawm li cas los xij, cov txheej txheem dov kuj muaj qee qhov tsis zoo. Piv txwv li, dov ho txo qhov porosity ntawm electrode, ua rau txo qis hauv electrolyte infiltration efficiency, nce hauv Li + thauj tsis kam, thiab nce hauv electrode polarization. Tsis tas li ntawd, lub zog tensile tawg thiab Young lub modulus ntawm tus ncej ncej nce tom qab dov, elastic-yas deformation tsis muaj zog, thiab brittleness nce. Nyob rau hauv cov txheej txheem tom ntej slitting thiab winding, kev nyuaj siab concentration thiab loj sab hauv siab tau yooj yim tsim, ua rau kev ua tau zoo ntawm cov ncej ncej.
5 Cov teeb meem thiab kev daws teeb meem ntawm cov txheej txheem dov
1. Tsis sib xws thickness ntawm lub polarizer:Qhov no feem ntau yog vim qhov tsis sib xws ntawm cov menyuam axis thiab cov axis ntawm txhua tus menyuam. Qhov teeb meem no tuaj yeem daws tau los ntawm kev kho qhov sib luag ntawm txhua tus menyuam axis.
2. Pitting rau saum npoo ntawm polarizer:Qhov no feem ntau yog tshwm sim los ntawm qaug zog pitting corrosion ntawm qhov chaw ntawm dov zeb. Qhov no muaj feem xyuam rau cov khoom ntawm lub dov zeb, tsis sib xws metallographic qauv thaum kho cua sov, tsis muaj zog qaug zog ntawm lub dov zeb nto, thiab nto roughness ntawm dov zeb. Qhov teeb meem no tuaj yeem daws tau los ntawm kev txhim kho cov khoom siv thiab cov txheej txheem kev kho cua sov ntawm lub tshuab dov, ua kom lub zog qaug zog ntawm lub tshuab dov zeb nto, thiab ua kom zoo dua qhov roughness ntawm cov dov zeb.
3. Thickness rebound thaum ncej dov:Qhov no feem ntau yog vim qhov loj residual elastic deformation thiab siab ib puag ncig cov av noo tom qab ncej dov. Lub elastic deformation ntawm lub polarizer tuaj yeem raug txo los ntawm kev ua kom zoo dua qhov tsis muaj dov, tswj cov av noo ib puag ncig, thiab siv cov txheej txheem kub dov, yog li txo cov thickness rebound.
4. Tsis sib xws polarizer phaj zoo li:Qhov no feem ntau yog vim qhov tsis sib xws thaum lub sij hawm polarizer dov, me me thiab tsis sib xws ua ntej thiab tom qab, los yog ua yuam kev hauv polarizer txheej thickness. Qhov teeb meem no tuaj yeem daws tau los ntawm kev ua kom zoo dua cov txheej txheem dov, kho qhov nro ua ntej thiab tom qab, thiab txhim kho qhov sib xws ntawm txheej txheej thickness ntawm polarizer.
6 Txoj kev loj hlob ntawm cov menyuam nias tshuab
Nrog rau kev txhim kho txuas ntxiv ntawm lithium roj teeb thev naus laus zis, cov txheej txheem dov kuj tseem niaj hnub tsim kho tshiab thiab txhim kho. Cov kev txhim kho yav tom ntej muaj xws li:
1. Cov khoom siv miniaturization thiab kev koom ua ke:Txhawm rau txhim kho kev ua haujlwm ntau lawm, cov menyuam xovxwm yog tsim los ntawm miniaturization thiab kev koom ua ke. Tam sim no, qhov ntev tshaj plaws ntawm cov menyuam lub cev tau mus txog 1600mm, thiab nws tuaj yeem txuas ntxiv mus ntxiv rau yav tom ntej.
2. Txhim kho qib kev txawj ntse:Vim lawv lub peev xwm ntau lawm, lub zog thiab lub zog cia cov tuam txhab roj teeb muaj cov kev xav tau siab dua rau qib kev txawj ntse ntawm cov khoom siv dov. Piv txwv li, cov cuab yeej nias rau cov menyuam nrog siab automation thiab nrog rau kev tshawb pom yuav ua kom nrov.
3. Daim ntawv thov ntawm cov txheej txheem kub dov:Txhawm rau txhim kho qhov txuas ntxiv ntawm cov kab ntau lawm thiab txo cov sawb tawg, sab saum toj lithium roj teeb manufacturers nyiam txais cov txheej txheem kub dov. Cov txheej txheem kub dov tuaj yeem txo qhov kev ntxhov siab sab hauv, rov ua dua qhov tshwm sim, thiab deformation tsis kam ntawm polarizer, thiab txhim kho qhov zoo ntawm polarizer.
4. Optimization ntawm dov tsis:Optimizing dov tsis yog tus yuam sij rau kev txhim kho roj teeb. Nyob rau hauv lub neej yav tom ntej, peb yuav tsis tu ncua optimize lub dov tsis los ntawm kev sim thiab simulations kom ua tau zoo dua roj teeb kev ua tau zoo.
Cov txheej txheem lithium roj teeb dov yog ib qho tseem ceeb txuas hauv cov txheej txheem ntawm cov roj teeb lithium-ion. Los ntawm kev tswj hwm qhov kev sib tw dov thiab cov txheej txheem txheej txheem, cov roj teeb lithium-ion tuaj yeem ua tau zoo heev. Lub caij no, nrog kev txhim kho txuas ntxiv ntawm thev naus laus zis, cov txheej txheem dov kuj tseem yuav tsim kho tshiab thiab txhim kho kom tau raws li cov kev xav tau ntawm cov roj teeb ua tau zoo dua.