Roj teeb Qib thiab Carbon Coated Aluminium Ntawv Nyiaj: Kev Qhia Txog Kev Qhia
Roj teeb txhuas ntawv ci yog lub cathode tam sim no collector nyob rau hauv lub lithium-ion cell - cov hlau substrate uas cov cathode active khoom yog coated rau., thiab qhov ntawd nqa tam sim no tawm ntawm electrode. Nws tsis muaj lub luag haujlwm electrochemical. Nws tsis khaws lub zog. Thiab precisely vim nws yog “inert”, nws yog ib qho yooj yim rau under-specify.
Qhov ntawd yog ib qho yuam kev. Cov ntawv sau tam sim no cuam tshuam rau kev cuam tshuam ntawm lub ntsej muag, txheej adhesion, tus nqi muaj peev xwm, lub neej voj voog, thiab tus nqi seem ntawm cov txheej txheej uas yuav khiav ntawm kaum ntawm meters ib feeb. Tau txais nws yuam kev yog kim nyob rau hauv ib txoj kev uas yog ib qho nyuaj rau taug qab mus rau cov ntawv ci.
Phau ntawv qhia no suav nrog kev xaiv alloy, ntsuas, npau taws sai, rooj plaub rau carbon txheej, thiab cov parameter tsim nyog muab tso rau hauv ib qho kev qhia tshwj xeeb.
Vim li cas txhuas rau cathode thiab tooj liab rau anode
Ib qho pib pib muaj txiaj ntsig, vim nws piav txog feem ntau ntawm cov qauv tsim logic:
| Cathode tam sim no collector | Anode tam sim no collector | |
| Khoom siv | Aluminium ntawv nyiaj | tooj liab ntawv ci |
| Ua li cas | Aluminium ua kom ruaj khov, passivating oxide txheej ntawm cathode muaj peev xwm, thiab yog lub teeb thiab pheej yig | Tooj liab yog ruaj khov ntawm qis (anode) muaj peev xwm tab sis yuav alloy nrog lithium |
| Qhov ntom | 2.7 g/cm³ | 8.96 g/cm³ |
Aluminium yog siv rau ntawm cathode vim tooj liab yuav oxidise ntawm cathode voltages, thiab aluminium vim tooj liab yuav txwv tsis pub hnyav. Yog tias koj tab tom nrhiav rau sodium-ion cell, nco ntsoov tias ob leeg electrodes tuaj yeem siv aluminium ntawv ci - sodium tsis alloy nrog aluminium lithium ua. Qhov no yog ib qho laj thawj vim li cas sodium-ion yog qhov txaus nyiam ntawm tus nqi, thiab nws yog qhov loj hlob ntawm cov roj teeb ntawv thov.
Base alloy xaiv
Cov ntawv ci roj teeb siv 1xxx series - kev lag luam ntshiab txhuas - vim tias kev coj ua thiab purity teeb meem ntau dua li lub zog.
| Alloy | Hom kev siv | Sau ntawv |
| 1235 | Feem ntau cov roj teeb foil alloy | ≥99.35% Al. Zoo sib npaug ntawm conductivity thiab nqi |
| 1060 | Siv dav, me ntsis siab dua purity | ≥99.60% Al |
| 1070 | Kev xav tau purity siab dua | ≥99.70% Al |
| 1050 | Siv nyob rau hauv ib co roj teeb thiab hluav taws xob ntawv ci | ≥99.50% Al |
| 1100 | Xaiv qhov twg yuav tsum muaj zog dua me ntsis | Muaj me Cu |
Ntsuas purity ntawm cov khoom siv feem ntau ua haujlwm siab tshaj qhov tshwj xeeb yam tsawg kawg nkaus - ≥99.0% specification feem ntau ntsuas ≥99.5% hauv kev xyaum.
Tswv yim tswv yim: tsis txhob tshaj qhia purity tshwj tsis yog tias koj cov electrode chemistry xav tau nws. Txhua kauj ruam purity raug nqi nyiaj, thiab 1235 ua haujlwm feem ntau ntawm kev lag luam cathode formulations.
Ntsuas: txoj kev, thiab lub siab mus thinner
Thinner foil txhais tau tias tsis tshua muaj zog hauv lub cell, uas txhais tau hais tias muaj zog ntau dua. Tag nrho kev lag luam raug thawb.
| Thickness | Txoj hauj lwm |
| 20 μm | Cov qauv qub, tseem siv qhov chaw tuav lub zog tseem ceeb |
| 18 μm | Kev saib xyuas, zoo txheej txheem stability |
| 16 μm | Feem ntau hauv ntim ntau lawm |
| 15 μm | Feem ntau rau siab zog ceev |
| 13 μm | Tam sim no lub ntsiab tseem ceeb rau cov hlwb muaj zog |
| 12 μm | Cov hlwb muaj zog heev, xav tau txheej txheem tswj |
| 10 μm thiab hauv qab no | Frontier, khoom siv tsawg |
Rau cov hlwb muaj zog-ntaus, 12- 15 m os yog qhov kev xaiv ib txwm muaj. Rau cov ntawv thov uas txheej txheej ruaj khov thiab tuav lub zog muaj teeb meem ntau dua li ob peb feem pua ntawm lub zog ceev, 18- 20 m os muab cov txheej txheem zoo dua thiab qis dua.
Kev sib pauv yog tiag tiag: raws li ntawv ci tau thinner nws wrinkles thiab stretches yooj yim dua ntawm kev kub ceev, tawg yooj yim dua ntawm khoov, thiab xav kom nruj dua ntsuas ntsuas los ntawm lub zeb. Yog tias koj cov kab txheej txheej tsis zoo-tuned, poob los ntawm 16 m ua to 13 μm tuaj yeem raug nqi koj ntau dua hauv cov khoom seem ntau dua li nws tau txais lub zog ceev.
Temper thiab mechanical zog
Roj teeb foil yuav tsum sib npaug ob hom tsis ua haujlwm. Ntws heev thiab nws wrinkles los yog stretches thaum lub sij hawm high-ceev txheej thiab winding. Nyuaj heev thiab nws tawg ntawm khoov thiab nyuaj rau cua.
| Kub | Hom tensile zog | Hom elongation | Hom kev siv |
| O (ib qho tseem ceeb) | 60-100 MPa | 3-15% | Daim ntawv thov xav tau ductility thiab tsim stability |
| H18 (tag nrho nyuaj) | 120-170 MPa | 1-4% | High-strength ntawv ci rau cov txheej txheem tswj kab |
| H19 | 140-190 MPa | 1-3% | Cov kev xav tau nruj dua |
Cov roj teeb feem ntau yog muab rau hauv H18. Qhov tseeb qhov tseem ceeb nyob ntawm alloy, ntsuas, dov txo thiab annealing tej yam kev mob - pom zoo cov cuab yeej cuab tam ntau yam contractually thiab xav kom nws tshaj tawm ntawm daim ntawv pov thawj cov khoom siv rau txhua qhov ntau lawm.
Yam khoom siv rau cov khoom coated: tensile zog ≥180 MPa, elongation >1.5%.
Plain foil vs carbon-coated ntawv ci
Qhov no yog qhov kev txiav txim siab tseem ceeb tshaj plaws hauv phau ntawv qhia no, yog li ntawd nws yog tsim nyog los ua leej.
Qhov teeb meem carbon txheej daws
Thaum cathode slurry yog coated ncaj qha mus rau liab qab aluminium ntawv ci, peb yam ua haujlwm tawm tsam koj:
- Tiv tauj tiv thaiv. Cov khoom siv kov cov hlau tsuas yog ntawm cov ntsiab lus tsis sib xws. Interfacial tiv thaiv yog siab, uas ua rau tus nqi muaj peev xwm thiab ua kom muaj cua sov ohmic.
- Kua nplaum. Slurry adhesion rau cov hlau du tsis muaj zog dua li ntxhib, high-surface-cheeb tsam carbon txheej. Tsis zoo adhesion txhais tau hais tias delamination thaum lub sij hawm calendaring thiab cycling.
- Corrosion. Aluminium nto tuaj yeem corrode nyob rau hauv kev sib cuag nrog electrolyte ntev cycling, tshwj xeeb tshaj yog nyob rau siab dua voltages thiab nrog tej yam chemistry.
Qhov txheej txheem carbon ua li cas
Ib sub-micron conductive carbon txheej - feem ntau carbon dub, graphite, graphene los yog sib tov, siv nrog ib tug binder - ua raws li ib tug functional choj ntawm hlau thiab active khoom:
- Ua kom muaj kev sib cuag zoo, txo qis kev tiv thaiv kev sib cuag
- Txhim kho electrode adhesion, txo delamination
- Tiv thaiv cov txhuas los ntawm oxidation thiab electrolyte corrosion
- Txhim kho tus nqi peev xwm thiab lub voj voog stability
- Txhim kho electrolyte wettability thaum sau
Nws yog ib qho me me ntxiv hauv cov ntsiab lus loj thiab ib qho loj hauv cov ntsiab lus ua haujlwm.
Carbon coated specifications
| Parameter | Yam yuav tsum tau muaj |
| Base foil alloy | 1050, 1060, 1100, 1235 |
| Base foil thickness | 12- 20 m os (9-30 μm muaj) |
| Txheej sab | Ib sab lossis ob sab |
| Carbon txheej thickness | ≥1 μm ib sab (0.5- 2 μm kab, kho tau) |
| Deg tsis kam | ≤ 5 mΩ (Cov khoom siv feem ntau ntsuas 1-2 mΩ) |
| Nto wetting nro | ≥30 dyne rau cov ntawv ci liab qab; ≥40-50 dyne rau carbon-coated |
| Txheej adhesion | Tsis muaj delamination tom qab 3M daim kab xev rub |
| Solvent resistance | >200 paj rwb-swab cycles tsis nthuav tawm cov ntawv ci |
| Electrolyte raus dej | Tsis muaj delamination tom qab 24 h |
| Ntug npoo (tsis sib haum) | Feem ntau 15 Ã 1 mm |
| Areal ceev (16 μm, coated) | ~ 42 g/m² |
| Qhuav compatibility | Nqus kom qhuav mus txog 150 °C |
Ib sab lossis ob sab? Muab nws rau koj qhov kev teeb tsa electrode txheej. Muab ob npaug rau-sab carbon txheej muab cov kev cuam tshuam qis dua thiab ua haujlwm zoo dua, thiab yog tus qauv rau lub zog hlwb thiab lub hnab ntim khoom. Ib sab yog feem ntau txaus thiab pheej yig dua rau lub zog hlwb lossis qhov twg tsuas yog ib lub ntsej muag tau txais cov khoom nquag.
Txheej dav yog phim rau koj qhov tuag - qhov dav dav suav nrog 170 mm, 230 mm, 260 mm thiab 280 mm, nrog ib tug uncoated ntug npoo rau welding tab.
Nto zoo: qhov teeb meem feem ntau pib
Qhov saum npoo muaj qhov cuam tshuam ncaj qha rau slurry txheej. Kev kis kab mob, rolling roj ntau dhau, khawb, nyob, ntug kab nrib pleb los yog tsis sib xws roughness tag nrho txhais mus rau hauv txheej tsis xws luag thiab tsis lees txais electrode.
Yuav tsum tau qhia:
- Ntxuav nto nrog tswj residual dov roj - qhov no yog qhov tseem ceeb. Residual roj txo slurry wettability thiab ua rau txheej txheej
- Tsis pom corrosion, oxidation staining, cov kab dub lossis txawv teb chaws suav nrog
- Tsis muaj folds, khawb hnyav heev, ntug yoj, telescoping los yog xoob winding
- Tswj roughness matched rau koj txheej txheem txheej
- Stable flatness los txhawb cov txheej txheej thiab ziab
- Slit edges nrog txwv burr thiab tsis muaj qhov txuas txuas ntxiv
Yog hais tias koj tab tom qhia ib tug tshiab electrode formulation, khiav sim coils ua ntej loj ntau lawm. Txheej cwj pwm nyob ntawm kev sib cuam tshuam ntawm koj cov khoom siv, daim ntawv khi, kuab tshuaj, txheej hnyav thiab calendaring tej yam kev mob - cov ntawv ci yog ib qho kev sib txawv ntawm qhov system, thiab tib txoj hauv kev kom paub yog sim nws.
Kev tshuaj xyuas thiab kev tswj kom zoo
Reputable mills tshuaj xyuas thoob plaws hauv kev tsim khoom ntau dua li kev ua piv txwv nkaus xwb thaum kawg. Tej yam tshuaj ntsuam xyuas:
| Yam | Lub hom phiaj |
| Tshuaj Muaj Tshuaj | Paub meej tias kev ua raws li alloy |
| Kev ntsuas thickness | Txheeb xyuas qhov tseeb thiab qhov sib xws |
| Kev ntsuas dav | Paub meej tias slit kam rau ua |
| Tensile zog thiab elongation | Verifies temper thiab mechanical stability |
| Kev tshuaj xyuas saum npoo | Khawb, stains, roj cim, suav nrog |
| Kev tshuaj xyuas Pinhole | Suitability rau nyias-gauge siv |
| Ntug zoo | Lub cev tuag, tawg, trimming tsis xws luag |
| Coil puab | Telescoping, xoob winding, ntug alignment |
Nug rau daim ntawv pov thawj ntawm kev tsom xam, coil daim ntawv lo, packing cov npe thiab cov ntaub ntawv tshuaj xyuas raws li daim ntawv cog lus xa tuaj. Gauge uniformity thoob plaws lub coil dav thiab ntev yog dab tsi txo koj cov txheej hnyav variation thiab electrode rejection tus nqi - qhov no yog qhov parameter tsim nyog sib cav txog.
Ntim thiab khaws cia
Roj teeb ntawv ci yog rhiab rau ya raws, hmoov av, mechanical puas thiab deg paug.
- Coils yuav tsum tau ntim nrog kev tiv thaiv qhwv, noo noo-resistant khoom, ntug kev tiv thaiv, thiab export-qib ntoo pallets lossis rooj plaub
- Khw hauv a huv, qhuav warehouse, deb ntawm cov tshuaj corrosive, condensation thiab ncaj qha rau pem teb
- Khaws kaw kom txog thaum siv - nto oxidation thiab noo noo adsorption degrade txheej kev ua tau zoo
- hwm first-in, thawj-tawm rotation
RFQ daim ntawv teev npe
Ib qho kev thov hais tias “roj teeb ntawv ci 13 μm” yuav tsis tau txais ib nqe lus zoo rau koj. suav nrog:
- Base alloy — np. 1235
- Thickness thiab kam rau ua — np. 13 μm, ± 5%
- Temper thiab mechanical xav tau — np. H18, Tensile 120-170 MPa
- Plain los yog carbon coated - thiab yog tias coated: ib leeg lossis ob sab
- Carbon txheej thickness — np. 1 ib m pr
- Dav thiab ntug npoo — np. 230 mm coated dav, 15 mm margin txhua sab
- Lub hom phiaj nto kuj — np. ≤ 2 mΩ
- Qhov yuav tsum tau huv huv - residual roj txwv, yog koj muaj ib tug
- Coil ID / OD thiab ntev
- Lub hli ntim thiab lub sijhawm xa khoom
- Cov ntaub ntawv xav tau —COA, MSDS, REACH / RoHS, cov ntaub ntawv xeem daim ntawv pov thawj
Cov lus nug uas nquag nug
Dab tsi yog qhov txawv ntawm cov ntawv ci roj teeb thiab cov ntawv txhuas zoo tib yam? Roj teeb ntawv ci yog lub siab purity 1xxx alloy nrog kev tswj nruj dua ntawm kev ntsuas qhov sib xws, kev huv ntawm qhov chaw, residual dov roj thiab pinholes. Ordinary ntim ntawv ci tsis tsim rau cov kev kam rau siab thiab yuav ua rau cov txheej txheem tsis xws luag.
Vim li cas cov pa roj carbon txheej siv rau ntawm cov ntawv ci cathode? Nws txo qis kev sib cuag tiv thaiv ntawm aluminium substrate thiab cathode active khoom, txhim kho adhesion, tiv thaiv corrosion, thiab txhim kho tus nqi peev xwm thiab lub neej voj voog.
Kuv yuav tsum xaiv ib sab lossis ob sab carbon txheej? Muab ob npaug rau sab zog, hnab cell thiab cov ntawv thov siab uas qhov qis tshaj qhov cuam tshuam cuam tshuam. Ib sab yog feem ntau txaus rau lub zog hlwb thiab raug nqi tsawg. Muab nws rau koj qhov kev teeb tsa electrode txheej.
Yuav ua li cas nyias roj teeb aluminium ntawv ci mus? 12 μm yog nyob rau hauv ntim siv rau high-zog hlwb; 10 μm thiab hauv qab no muaj tab sis cov khoom siv tsawg. Yuav kom nyias nyias yuav tsum muaj lub tshuab muaj peev xwm thiab cov kab sib txuas zoo - txwv tsis pub cov khoom seem nce nrawm dua li lub zog ceev txhim kho.
Cov roj teeb sodium-ion tuaj yeem siv txhuas ntawv ci rau ob qho tib si electrodes? Yog lawm. Sodium tsis alloy nrog aluminium lithium ua, yog li ob qho tib si tam sim no cov khoom siv tuaj yeem yog txhuas ntawv ci. Qhov no yog ib feem ntawm sodium-ion tus nqi kom zoo dua thiab ua rau kev xav tau kev loj hlob.
Lub sij hawm ua tus coj thiab MOQ yog dab tsi? Ob leeg nyob ntawm qhov ntsuas, txheej configuration thiab ntim. Coated thiab slit ntawv ci yuav tsum tau ua cov kauj ruam ntxiv tshaj cov ntawv ci. Qhia koj lub ntim thiab lub sij hawm nyob rau hauv RFQ kom paub meej daim duab.
Yuav ua li cas kuv yuav khaws cov pa roj carbon coated ntawv ci? Muab kaw, qhuav, huv, hauv qab no roughly 40 °C, tawm hauv pem teb, deb ntawm condensation thiab corrosive tshuaj, siv first-in-first-out.
Tham txog koj qhov specification
Xa peb koj lub hauv paus alloy, ntsuas, temper thiab txheej configuration - los yog qhia rau peb koj cell chemistry, lub zog ceev lub hom phiaj thiab txheej kab tsis, thiab peb yuav pom zoo kom pib specification thiab teem caij sib tw coils rau kev ntsuam xyuas.
Roj teeb Qib thiab Carbon Coated Aluminium Ntawv Nyiaj: Kev Qhia Txog Kev Qhia
Roj teeb txhuas ntawv ci yog lub cathode tam sim no collector nyob rau hauv lub lithium-ion cell - cov hlau substrate uas cov cathode active khoom yog coated rau., thiab qhov ntawd nqa tam sim no tawm ntawm electrode. Nws tsis muaj lub luag haujlwm electrochemical. Nws tsis khaws lub zog. Thiab precisely vim nws yog “inert”, nws yog ib qho yooj yim rau under-specify.
Qhov ntawd yog ib qho yuam kev. Cov ntawv sau tam sim no cuam tshuam rau kev cuam tshuam ntawm lub ntsej muag, txheej adhesion, tus nqi muaj peev xwm, lub neej voj voog, thiab tus nqi seem ntawm cov txheej txheej uas yuav khiav ntawm kaum ntawm meters ib feeb. Tau txais nws yuam kev yog kim nyob rau hauv ib txoj kev uas yog ib qho nyuaj rau taug qab mus rau cov ntawv ci.
Phau ntawv qhia no suav nrog kev xaiv alloy, ntsuas, npau taws sai, rooj plaub rau carbon txheej, thiab cov parameter tsim nyog muab tso rau hauv ib qho kev qhia tshwj xeeb.
Vim li cas txhuas rau cathode thiab tooj liab rau anode
Ib qho pib pib muaj txiaj ntsig, vim nws piav txog feem ntau ntawm cov qauv tsim logic:
| Cathode tam sim no collector | Anode tam sim no collector | |
| Khoom siv | Aluminium ntawv nyiaj | tooj liab ntawv ci |
| Ua li cas | Aluminium ua kom ruaj khov, passivating oxide txheej ntawm cathode muaj peev xwm, thiab yog lub teeb thiab pheej yig | Tooj liab yog ruaj khov ntawm qis (anode) muaj peev xwm tab sis yuav alloy nrog lithium |
| Qhov ntom | 2.7 g/cm³ | 8.96 g/cm³ |
Aluminium yog siv rau ntawm cathode vim tooj liab yuav oxidise ntawm cathode voltages, thiab aluminium vim tooj liab yuav txwv tsis pub hnyav. Yog tias koj tab tom nrhiav rau sodium-ion cell, nco ntsoov tias ob leeg electrodes tuaj yeem siv aluminium ntawv ci - sodium tsis alloy nrog aluminium lithium ua. Qhov no yog ib qho laj thawj vim li cas sodium-ion yog qhov txaus nyiam ntawm tus nqi, thiab nws yog qhov loj hlob ntawm cov roj teeb ntawv thov.
Base alloy xaiv
Cov ntawv ci roj teeb siv 1xxx series - kev lag luam ntshiab txhuas - vim tias kev coj ua thiab purity teeb meem ntau dua li lub zog.
| Alloy | Hom kev siv | Sau ntawv |
| 1235 | Feem ntau cov roj teeb foil alloy | ≥99.35% Al. Zoo sib npaug ntawm conductivity thiab nqi |
| 1060 | Siv dav, me ntsis siab dua purity | ≥99.60% Al |
| 1070 | Kev xav tau purity siab dua | ≥99.70% Al |
| 1050 | Siv nyob rau hauv ib co roj teeb thiab hluav taws xob ntawv ci | ≥99.50% Al |
| 1100 | Xaiv qhov twg yuav tsum muaj zog dua me ntsis | Muaj me Cu |
Ntsuas purity ntawm cov khoom siv feem ntau ua haujlwm siab tshaj qhov tshwj xeeb yam tsawg kawg nkaus - ≥99.0% specification feem ntau ntsuas ≥99.5% hauv kev xyaum.
Tswv yim tswv yim: tsis txhob tshaj qhia purity tshwj tsis yog tias koj cov electrode chemistry xav tau nws. Txhua kauj ruam purity raug nqi nyiaj, thiab 1235 ua haujlwm feem ntau ntawm kev lag luam cathode formulations.
Ntsuas: txoj kev, thiab lub siab mus thinner
Thinner foil txhais tau tias tsis tshua muaj zog hauv lub cell, uas txhais tau hais tias muaj zog ntau dua. Tag nrho kev lag luam raug thawb.
| Thickness | Txoj hauj lwm |
| 20 μm | Cov qauv qub, tseem siv qhov chaw tuav lub zog tseem ceeb |
| 18 μm | Kev saib xyuas, zoo txheej txheem stability |
| 16 μm | Feem ntau hauv ntim ntau lawm |
| 15 μm | Feem ntau rau siab zog ceev |
| 13 μm | Tam sim no lub ntsiab tseem ceeb rau cov hlwb muaj zog |
| 12 μm | Cov hlwb muaj zog heev, xav tau txheej txheem tswj |
| 10 μm thiab hauv qab no | Frontier, khoom siv tsawg |
Rau cov hlwb muaj zog-ntaus, 12- 15 m os yog qhov kev xaiv ib txwm muaj. Rau cov ntawv thov uas txheej txheej ruaj khov thiab tuav lub zog muaj teeb meem ntau dua li ob peb feem pua ntawm lub zog ceev, 18- 20 m os muab cov txheej txheem zoo dua thiab qis dua.
Kev sib pauv yog tiag tiag: raws li ntawv ci tau thinner nws wrinkles thiab stretches yooj yim dua ntawm kev kub ceev, tawg yooj yim dua ntawm khoov, thiab xav kom nruj dua ntsuas ntsuas los ntawm lub zeb. Yog tias koj cov kab txheej txheej tsis zoo-tuned, poob los ntawm 16 m ua to 13 μm tuaj yeem raug nqi koj ntau dua hauv cov khoom seem ntau dua li nws tau txais lub zog ceev.
Temper thiab mechanical zog
Roj teeb foil yuav tsum sib npaug ob hom tsis ua haujlwm. Ntws heev thiab nws wrinkles los yog stretches thaum lub sij hawm high-ceev txheej thiab winding. Nyuaj heev thiab nws tawg ntawm khoov thiab nyuaj rau cua.
| Kub | Hom tensile zog | Hom elongation | Hom kev siv |
| O (ib qho tseem ceeb) | 60-100 MPa | 3-15% | Daim ntawv thov xav tau ductility thiab tsim stability |
| H18 (tag nrho nyuaj) | 120-170 MPa | 1-4% | High-strength ntawv ci rau cov txheej txheem tswj kab |
| H19 | 140-190 MPa | 1-3% | Cov kev xav tau nruj dua |
Cov roj teeb feem ntau yog muab rau hauv H18. Qhov tseeb qhov tseem ceeb nyob ntawm alloy, ntsuas, dov txo thiab annealing tej yam kev mob - pom zoo cov cuab yeej cuab tam ntau yam contractually thiab xav kom nws tshaj tawm ntawm daim ntawv pov thawj cov khoom siv rau txhua qhov ntau lawm.
Yam khoom siv rau cov khoom coated: tensile zog ≥180 MPa, elongation >1.5%.
Plain foil vs carbon-coated ntawv ci
Qhov no yog qhov kev txiav txim siab tseem ceeb tshaj plaws hauv phau ntawv qhia no, yog li ntawd nws yog tsim nyog los ua leej.
Qhov teeb meem carbon txheej daws
Thaum cathode slurry yog coated ncaj qha mus rau liab qab aluminium ntawv ci, peb yam ua haujlwm tawm tsam koj:
- Tiv tauj tiv thaiv. Cov khoom siv kov cov hlau tsuas yog ntawm cov ntsiab lus tsis sib xws. Interfacial tiv thaiv yog siab, uas ua rau tus nqi muaj peev xwm thiab ua kom muaj cua sov ohmic.
- Kua nplaum. Slurry adhesion rau cov hlau du tsis muaj zog dua li ntxhib, high-surface-cheeb tsam carbon txheej. Tsis zoo adhesion txhais tau hais tias delamination thaum lub sij hawm calendaring thiab cycling.
- Corrosion. Aluminium nto tuaj yeem corrode nyob rau hauv kev sib cuag nrog electrolyte ntev cycling, tshwj xeeb tshaj yog nyob rau siab dua voltages thiab nrog tej yam chemistry.
Qhov txheej txheem carbon ua li cas
Ib sub-micron conductive carbon txheej - feem ntau carbon dub, graphite, graphene los yog sib tov, siv nrog ib tug binder - ua raws li ib tug functional choj ntawm hlau thiab active khoom:
- Ua kom muaj kev sib cuag zoo, txo qis kev tiv thaiv kev sib cuag
- Txhim kho electrode adhesion, txo delamination
- Tiv thaiv cov txhuas los ntawm oxidation thiab electrolyte corrosion
- Txhim kho tus nqi peev xwm thiab lub voj voog stability
- Txhim kho electrolyte wettability thaum sau
Nws yog ib qho me me ntxiv hauv cov ntsiab lus loj thiab ib qho loj hauv cov ntsiab lus ua haujlwm.
Carbon coated specifications
| Parameter | Yam yuav tsum tau muaj |
| Base foil alloy | 1050, 1060, 1100, 1235 |
| Base foil thickness | 12- 20 m os (9-30 μm muaj) |
| Txheej sab | Ib sab lossis ob sab |
| Carbon txheej thickness | ≥1 μm ib sab (0.5- 2 μm kab, kho tau) |
| Deg tsis kam | ≤ 5 mΩ (Cov khoom siv feem ntau ntsuas 1-2 mΩ) |
| Nto wetting nro | ≥30 dyne rau cov ntawv ci liab qab; ≥40-50 dyne rau carbon-coated |
| Txheej adhesion | Tsis muaj delamination tom qab 3M daim kab xev rub |
| Solvent resistance | >200 paj rwb-swab cycles tsis nthuav tawm cov ntawv ci |
| Electrolyte raus dej | Tsis muaj delamination tom qab 24 h |
| Ntug npoo (tsis sib haum) | Feem ntau 15 Ã 1 mm |
| Areal ceev (16 μm, coated) | ~ 42 g/m² |
| Qhuav compatibility | Nqus kom qhuav mus txog 150 °C |
Ib sab lossis ob sab? Muab nws rau koj qhov kev teeb tsa electrode txheej. Muab ob npaug rau-sab carbon txheej muab cov kev cuam tshuam qis dua thiab ua haujlwm zoo dua, thiab yog tus qauv rau lub zog hlwb thiab lub hnab ntim khoom. Ib sab yog feem ntau txaus thiab pheej yig dua rau lub zog hlwb lossis qhov twg tsuas yog ib lub ntsej muag tau txais cov khoom nquag.
Txheej dav yog phim rau koj qhov tuag - qhov dav dav suav nrog 170 mm, 230 mm, 260 mm thiab 280 mm, nrog ib tug uncoated ntug npoo rau welding tab.
Nto zoo: qhov teeb meem feem ntau pib
Qhov saum npoo muaj qhov cuam tshuam ncaj qha rau slurry txheej. Kev kis kab mob, rolling roj ntau dhau, khawb, nyob, ntug kab nrib pleb los yog tsis sib xws roughness tag nrho txhais mus rau hauv txheej tsis xws luag thiab tsis lees txais electrode.
Yuav tsum tau qhia:
- Ntxuav nto nrog tswj residual dov roj - qhov no yog qhov tseem ceeb. Residual roj txo slurry wettability thiab ua rau txheej txheej
- Tsis pom corrosion, oxidation staining, cov kab dub lossis txawv teb chaws suav nrog
- Tsis muaj folds, khawb hnyav heev, ntug yoj, telescoping los yog xoob winding
- Tswj roughness matched rau koj txheej txheem txheej
- Stable flatness los txhawb cov txheej txheej thiab ziab
- Slit edges nrog txwv burr thiab tsis muaj qhov txuas txuas ntxiv
Yog hais tias koj tab tom qhia ib tug tshiab electrode formulation, khiav sim coils ua ntej loj ntau lawm. Txheej cwj pwm nyob ntawm kev sib cuam tshuam ntawm koj cov khoom siv, daim ntawv khi, kuab tshuaj, txheej hnyav thiab calendaring tej yam kev mob - cov ntawv ci yog ib qho kev sib txawv ntawm qhov system, thiab tib txoj hauv kev kom paub yog sim nws.
Kev tshuaj xyuas thiab kev tswj kom zoo
Reputable mills tshuaj xyuas thoob plaws hauv kev tsim khoom ntau dua li kev ua piv txwv nkaus xwb thaum kawg. Tej yam tshuaj ntsuam xyuas:
| Yam | Lub hom phiaj |
| Tshuaj Muaj Tshuaj | Paub meej tias kev ua raws li alloy |
| Kev ntsuas thickness | Txheeb xyuas qhov tseeb thiab qhov sib xws |
| Kev ntsuas dav | Paub meej tias slit kam rau ua |
| Tensile zog thiab elongation | Verifies temper thiab mechanical stability |
| Kev tshuaj xyuas saum npoo | Khawb, stains, roj cim, suav nrog |
| Kev tshuaj xyuas Pinhole | Suitability rau nyias-gauge siv |
| Ntug zoo | Lub cev tuag, tawg, trimming tsis xws luag |
| Coil puab | Telescoping, xoob winding, ntug alignment |
Nug rau daim ntawv pov thawj ntawm kev tsom xam, coil daim ntawv lo, packing cov npe thiab cov ntaub ntawv tshuaj xyuas raws li daim ntawv cog lus xa tuaj. Gauge uniformity thoob plaws lub coil dav thiab ntev yog dab tsi txo koj cov txheej hnyav variation thiab electrode rejection tus nqi - qhov no yog qhov parameter tsim nyog sib cav txog.
Ntim thiab khaws cia
Roj teeb ntawv ci yog rhiab rau ya raws, hmoov av, mechanical puas thiab deg paug.
- Coils yuav tsum tau ntim nrog kev tiv thaiv qhwv, noo noo-resistant khoom, ntug kev tiv thaiv, thiab export-qib ntoo pallets lossis rooj plaub
- Khw hauv a huv, qhuav warehouse, deb ntawm cov tshuaj corrosive, condensation thiab ncaj qha rau pem teb
- Khaws kaw kom txog thaum siv - nto oxidation thiab noo noo adsorption degrade txheej kev ua tau zoo
- hwm first-in, thawj-tawm rotation
RFQ daim ntawv teev npe
Ib qho kev thov hais tias “roj teeb ntawv ci 13 μm” yuav tsis tau txais ib nqe lus zoo rau koj. suav nrog:
- Base alloy — np. 1235
- Thickness thiab kam rau ua — np. 13 μm, ± 5%
- Temper thiab mechanical xav tau — np. H18, Tensile 120-170 MPa
- Plain los yog carbon coated - thiab yog tias coated: ib leeg lossis ob sab
- Carbon txheej thickness — np. 1 ib m pr
- Dav thiab ntug npoo — np. 230 mm coated dav, 15 mm margin txhua sab
- Lub hom phiaj nto kuj — np. ≤ 2 mΩ
- Qhov yuav tsum tau huv huv - residual roj txwv, yog koj muaj ib tug
- Coil ID / OD thiab ntev
- Lub hli ntim thiab lub sijhawm xa khoom
- Cov ntaub ntawv xav tau —COA, MSDS, REACH / RoHS, cov ntaub ntawv xeem daim ntawv pov thawj
Cov lus nug uas nquag nug
Dab tsi yog qhov txawv ntawm cov ntawv ci roj teeb thiab cov ntawv txhuas zoo tib yam? Roj teeb ntawv ci yog lub siab purity 1xxx alloy nrog kev tswj nruj dua ntawm kev ntsuas qhov sib xws, kev huv ntawm qhov chaw, residual dov roj thiab pinholes. Ordinary ntim ntawv ci tsis tsim rau cov kev kam rau siab thiab yuav ua rau cov txheej txheem tsis xws luag.
Vim li cas cov pa roj carbon txheej siv rau ntawm cov ntawv ci cathode? Nws txo qis kev sib cuag tiv thaiv ntawm aluminium substrate thiab cathode active khoom, txhim kho adhesion, tiv thaiv corrosion, thiab txhim kho tus nqi peev xwm thiab lub neej voj voog.
Kuv yuav tsum xaiv ib sab lossis ob sab carbon txheej? Muab ob npaug rau sab zog, hnab cell thiab cov ntawv thov siab uas qhov qis tshaj qhov cuam tshuam cuam tshuam. Ib sab yog feem ntau txaus rau lub zog hlwb thiab raug nqi tsawg. Muab nws rau koj qhov kev teeb tsa electrode txheej.
Yuav ua li cas nyias roj teeb aluminium ntawv ci mus? 12 μm yog nyob rau hauv ntim siv rau high-zog hlwb; 10 μm thiab hauv qab no muaj tab sis cov khoom siv tsawg. Yuav kom nyias nyias yuav tsum muaj lub tshuab muaj peev xwm thiab cov kab sib txuas zoo - txwv tsis pub cov khoom seem nce nrawm dua li lub zog ceev txhim kho.
Cov roj teeb sodium-ion tuaj yeem siv txhuas ntawv ci rau ob qho tib si electrodes? Yog lawm. Sodium tsis alloy nrog aluminium lithium ua, yog li ob qho tib si tam sim no cov khoom siv tuaj yeem yog txhuas ntawv ci. Qhov no yog ib feem ntawm sodium-ion tus nqi kom zoo dua thiab ua rau kev xav tau kev loj hlob.
Lub sij hawm ua tus coj thiab MOQ yog dab tsi? Ob leeg nyob ntawm qhov ntsuas, txheej configuration thiab ntim. Coated thiab slit ntawv ci yuav tsum tau ua cov kauj ruam ntxiv tshaj cov ntawv ci. Qhia koj lub ntim thiab lub sij hawm nyob rau hauv RFQ kom paub meej daim duab.
Yuav ua li cas kuv yuav khaws cov pa roj carbon coated ntawv ci? Muab kaw, qhuav, huv, hauv qab no roughly 40 °C, tawm hauv pem teb, deb ntawm condensation thiab corrosive tshuaj, siv first-in-first-out.
Tham txog koj qhov specification
Xa peb koj lub hauv paus alloy, ntsuas, temper thiab txheej configuration - los yog qhia rau peb koj cell chemistry, lub zog ceev lub hom phiaj thiab txheej kab tsis, thiab peb yuav pom zoo kom pib specification thiab teem caij sib tw coils rau kev ntsuam xyuas.