Lithium -Ion roj teeb aluminium plhaub ntim casing: kev paub txog kev lag luam

Lithium-ion roj teeb txhuas lub plhaub yog ib qho tseem ceeb ntawm cov qauv siv los encapsulate thiab tiv thaiv cov qauv ntawm tes ntawm lub roj teeb. Nws yog ib qho irreplaceable lub cev barrier thiab kev ruaj ntseg tivthaiv nyob rau hauv lub roj teeb cell. Lub casing ncaj qha txiav txim siab huab cua nruj, lub voj voog lub neej thiab tawg - pov thawj kev nyab xeeb ntawm lub roj teeb. Nws yog cov tub ntxhais interface txuas cov roj teeb tshuaj thiab qhov chaw siv sab nraud. Los ntawm qhov kev xav ntawm kev faib tawm engineering, lithium-ion roj teeb casings feem ntau muab faib ua peb hom: square, cylindrical thiab mos pob raws li cov ntaub ntawv sib txawv roj teeb. Ntawm lawv, Aluminium plhaub rau Prismatic thiab cylindrical roj teeb rooj plaub yog lub plhaub thoob ntiaj teb kev daws teeb meem rau prismatic thiab cylindrical roj teeb, thaum Aluminium Laminate Hnab rau Li-Ion roj teeb sawv cev rau kev ntim tshuab rau cov roj teeb mos. Rau cov kws tshaj lij cov neeg yuav khoom thiab cov neeg siv khoom tsim vaj tsev, nkag siab qhov xwm txheej ntawm lub plhaub txhuas ua "cov qauv-thermal{11}}hluav taws xob" multi-physics coupling interface yog qhov pib rau kev xaiv kev tshawb fawb thiab kev ntsuam xyuas tus neeg muag khoom.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ua ntej, kev sib txuam ntawm cov qib alloy. Los ntawm kev sib zog ua kom muaj zog ntawm manganese, 3003 aluminium -manganese alloy tuaj yeem ua rau lub zog tawm mus rau 130-150MPa yam tsis muaj kev txo qis elongation, uas yog raws nraim nyob rau hauv qhov sib npaug ntawm "tiv taus rau sab hauv roj bulging" thiab "txaus siab nrog kev sib sib zog nqus nqus tsis tawg". Cov hlau no tsis yog kev kho cua sov kom muaj zog, thiab nws cov khoom siv kho tshuab ua tau raws li qhov yuav tsum tau siv tom qab kos duab, zam qhov kev pheej hmoo ntawm qhov deformation los ntawm kev laus kho. Thib ob, kev tswj kev sib txuam ntawm cov qauv nplej. Coarse nplej los yog sib xyaw siv lead ua qauv yog qhov chaw microscopic ntawm kos tawg. Cov kws tshaj lij kev lag luam ua cov tshuaj ntsuam xyuas metallographic ntawm txhua batch ntawm cov ntaub ntawv hauv paus, xav tau qhov nruab nrab ntawm cov nplej loj los tswj ntawm 30-60 μm, thiab qhov feem pua ​​​​ntawm cov nplej equiaxed yuav tsum tsis pub tsawg tshaj 85%. Qhov randomness ntawm grain orientation yog txheeb xyuas los ntawm electron backscattered diffraction kom tsis txhob muaj qhov sib txawv ntawm kev kos duab nyob rau hauv ntau cov lus qhia vim kev ntxhib los mos concentration.

 

Thib peb, nto zoo thiab passivation zaj duab xis engineering. Lub melting point ntawm ntuj alumina zaj duab xis yog siab li 2072 degree, uas yog deb tshaj li ntawm cov txhuas matrix. Yog tias nws tuab heev lossis tsis sib npaug, nws yuav cuam tshuam rau kev ruaj ntseg ntawm laser vuam. High- zoo aluminium plhaub khoom xav kom cov khoom siv hauv paus nto roughness Ra tswj ntawm 0.2-0.4μm, thiab oxide zaj duab xis thickness yuav tsum tsis pub tshaj 50nm. Tshuaj passivation kev kho mob tuaj yeem muab tau raws li qhov xav tau los tsim ib qho kev sib txuam thiab tswj tau cov khoom siv dag zog, uas tuaj yeem txhim kho qhov dav thiab qhov sib xws ntawm lub qhov rais vuam. Plaub, kev sib raug zoo ib puag ncig thiab ntev - lub neej tsim. nruj me ntsis tswj siab -muaj peev xwm impurities xws li tooj liab thiab npib tsib xee (tooj liab Tsawg dua lossis sib npaug li 0.05%, npib tsib xee Tsawg dua lossis sib npaug li 0.01%) kom tsis txhob muaj cov micro- roj teeb hauv zos. Rau siab -voltage systems los yog huab-humidity ib puag ncig, sab hauv phab ntsa ceramic txheej los yog cov pa roj carbon txheej tuaj yeem hloov kho kom txhim kho cov tshuaj inertness ntxiv. Nyob rau tib lub sijhawm, 100% rov ua dua tshiab ntawm lub plhaub txhuas ua tau raws li kev yuav khoom ntawm European thiab Asmeskas cov neeg siv khoom rau cov pa roj carbon hneev taw thiab kev lag luam ncig.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Kev tsim ntawm aluminium plhaub muaj ntau yam txheej txheem tseem ceeb xws li xaiv cov khoom siv, kev tsim, vuam sealing thiab kho qhov chaw. Nyob rau hauv cov nqe lus ntawm molding txheej txheem, lub plhaub mas siv stamping thiab stretch forming tshuab. Tsuas yog lub plhaub npog, lub plhaub aluminium alloy feem ntau tuaj yeem ncab thiab tsim nyob rau hauv ib kauj ruam. Txhawm rau txhim kho kev tsim khoom thiab txo cov pwm jamming thiab cov nqi seem, cov khoom siv hluav taws xob tsis siv neeg thiab cov khoom siv tuag tas mus li feem ntau siv hauv kev lag luam. Rau Aluminium sib sib zog nqus daim duab stamping roj teeb rooj plaub, cov txheej txheem ntau- dhau qhov txheej txheem sib sib zog nqus yog qhov tseem ceeb ntawm kev ua kom pom qhov sib piv siab square thawv - kev hloov pauv los ntawm ib puag ncig blanking piece mus rau cov duab plaub yuav tsum tau tswj xyuas meej ntawm tus nqi deformation thiab lub zog ntawm txhua daim duab hla. Kev tswj kev tawg ntawm lub kaum sab xis yog qhov txheej txheem nyuaj.

 

Nyob rau hauv cov nqe lus ntawm vuam tshuab, vuam ntawm lub roj teeb casing thiab npog yog thawj qhov teeb meem los xyuas kom meej sealing, uas ncaj qha cuam tshuam rau lub voltage kuj thiab lub voj voog lub neej ntawm lub roj teeb. Laser welding tshuab rau square aluminium plhaub sab saum toj npog sealing tau dhau mus tas li iteration: nyob rau theem pib, qhov vuam ceev tau qis dua 100mm / s, thiab tom qab ntawd tsim mus rau 100-200mm / s theem. Cov thev naus laus zis xws li laser hybrid vuam lossis laser beam siab - zaus viav vias vuam tau siv los txhim kho kev nrawm thiab zoo. Nyob rau theem tam sim no, siab - vuam ceev ntawm 300mm / s thiab saum toj no tau tshawb nrhiav, siv cov point-annular chaw laser vuam thiab lwm yam thev naus laus zis los txhim kho vuam ruaj khov thiab cov khoom sib xws. Aluminium alloy laser vuam ntsib teeb meem engineering xws li qhov pores, kub tawg thiab tawg, uas yuav tsum tau kov yeej los ntawm kev tswj fais fab thiab kev tiv thaiv roj.

 

Nyob rau hauv cov nqe lus ntawm sealing thiab tiv thaiv technology, sealing tsim plays lub luag hauj lwm tseem ceeb nyob rau hauv lub roj teeb voltage kuj kev cia siab rau. Thaum lub sij hawm tsim, nws yog ib qho tsim nyog los xam cov compression npaum li cas ntawm lub nplhaib sealing, cov qauv ntawm lub sealing groove, lub sib dhos kam rau ua thiab deformation ntawm qhov kawg npog. Rau cov ntawv thov nyob rau hauv dej tob lossis siab - qhov chaw noo noo, kev sib xyaw ua ke ntawm siab- cov qauv hauv tsev resistant, kev siv cov potting reinforcement thiab O-ring radial sealing tuaj yeem siv los tiv thaiv kev poob siab. Tsis tas li ntawd, cov txheej txheem kho saum npoo xws li xiav zaj duab xis txheej pab txhim kho lub zog ceev thiab cov khoom tsim tawm los ntawm kev ua kom zoo ntawm cov txheej txheem txheej (xws li teeb tsa qhov sib tshooj ntawm lub kaum sab xis nkhaus).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lub zog tshiab lub tsheb teb yog qhov tseem ceeb tshaj plaws daim ntawv thov scenario rau txhuas plhaub. Lub hwj chim roj teeb pob muaj qhov xav tau nruj heev ntawm lub zog siab, lub teeb yuag thiab kev nyab xeeb siab ntawm lub casing. Lub lithium hlau phosphate system sib haum rau LiFePo4 LFP Lithium Iron Phosphate roj teeb hlwb tau dav siv hauv cov roj teeb rau cov neeg caij tsheb thiab cov tsheb lag luam vim nws cov thermal stability zoo heev. Lub plhaub aluminium plays ntau lub luag haujlwm hauv kev ua kom sov, tiv thaiv kev tiv thaiv thiab hluav taws xob rwb thaiv tsev. Cov roj teeb loj loj cylindrical kuj tseem nkag mus rau lub tsheb tshiab lub zog tshiab vim lawv txoj kev nyab xeeb siab thiab kev them nyiaj ceev ceev tau zoo.

 

Lub teb ntawm lub zog cia tshuab tau muab cov kev xav tau sib txawv rau kev ntseeg siab, lub neej ntev thiab tus nqi -kev ua tau zoo ntawm txhuas plhaub. Lub zog cia qhov xwm txheej feem ntau xav tau lub voj voog lub neej ntau dua 6,000 zaug, uas yuav tsum muaj lub plhaub txhuas kom muaj huab cua zoo thiab ruaj khov thaum lub sij hawm ntev - siv, thiab yuav tsis xau vim micro- corrosion lossis kev nyuaj siab. Cov roj teeb loj cylindrical feem ntau siv txhuas lub plhaub ntim cov kev daws teeb meem. Cia siab rau lawv lub teeb yuag, zoo thermal conductivity thiab tswj tus nqi, lawv tau siv dav hauv cov roj teeb cylindrical.

 

Kev lag luam ntawm cov neeg siv khoom siv hluav taws xob muaj cov kev xav tau siab rau qhov thinness, lightness, xav thiab kev koom ua ke ntawm cov teeb meem roj teeb. Mos- qhwv aluminium- yas zaj duab xis tuav txoj haujlwm tseem ceeb hauv daim teb no vim nws qhov zoo xws li lub teeb yuag, lub zog siab ntom ntom, thiab tsis tshua muaj kev tiv thaiv sab hauv. Aluminium plhaub rau lithium polymer roj teeb ntawm tes yog taw qhia rau lithium polymer roj teeb thiab muaj tus nqi tshwj xeeb hauv kev hloov pauv hloov pauv. Lub teb ntawm cov cuab yeej tshwj xeeb muaj kev tiv thaiv kev ua tau zoo ntxiv rau cov teeb meem roj teeb. Piv txwv li, lub plhaub roj teeb uas siv los ntawm qhov sib sib zog nqus- cov neeg hlau dej yuav tsum tiv taus cov dej siab ntawm li 1MPa (xws li dej tob txog 100 meters). Tus tsim yuav tsum tau muab xam los ntawm cov phab ntsa thickness, qhov cuab lub zog ribs, kawg npog qauv thiab sealing kev ntseeg tau.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yog koj xav tau customizeLiFePo4 Prismatic Roj teeb Txhuas Cellsrau koj tom ntej no siab -kev ruaj ntseg lub zog cia lossis lub zog tsim hluav taws xob, peb pab neeg ua haujlwm engineering tuaj yeem muab tag nrho - txheej txheem kev txhawb nqa los ntawm kev xaiv cov khoom siv rau kev simulation kom ntseeg tau tias lub plhaub tsim zoo phim koj qhov system xav tau.