Hauv kev lag luam titanium anode, "txheej" tsis yog ib qho txheej txheem. Cov txheej txheem txheej txheej sib txawv tsim cov txheej txheem sib txawv, ua haujlwm sib txawv electrochemical lub hom phiaj, thiab xav tau cov khoom sib txawv - tswj txoj kev. Rau cov neeg yuav khoom, kev nkag siab txog qhov sib txawv no yog qhov tseem ceeb vim tias cov txheej txheem xaiv ncaj qha cuam tshuam rau txheej adhesion, kev pab lub neej, kev ua haujlwm voltage, corrosion tsis kam thiab tag nrho anode kev ua tau zoo.
Electroplating, xaiv txhuam plating thiab txhuam thermal decomposition feem ntau hais ua ke, tab sis lawv tsis zoo ib yam. Electroplating thiab xaiv txhuam plating yog cov txheej txheem electrochemical deposition, feem ntau yog siv los ua cov xim hlau. Txhuam thermal decomposition, feem ntau hu ua " txhuam txheej" hauv kev lag luam titanium anode, yog cov txheej txheem tshuaj thiab thermal siv los npaj MMO cov hlau oxide catalytic coatings.
Xaiv cov txheej txheem tsim nyog yuav tsum tsis txhob nyob ntawm tus nqi lossis cov tsos. Nws yuav tsum nyob ntawm daim ntawv thov, electrolyte, tam sim no ceev, kub, kev pab cuam lub neej, anode zoo thiab txheej muaj nuj nqi.
1. Ua ntej tshaj tawm cov ntsiab lus: Kev Xaiv Txhuam Txhuam Plating Tsis Zoo Li "Brush Txheej"
Lo lus " txhuam" feem ntau ua rau tsis meej pem.
Selective txhuam plating yog ib txoj hauv kev hauv zos electroplating. Tus neeg teb xov tooj siv cov cuab yeej plating, electrolyte thiab ncaj qha - tam sim no fais fab mov los tso ib txheej hlau rau ntawm qhov chaw xaiv. Nws feem ntau yog siv rau kev kho hauv zos, kho qhov loj me, txwv - thaj chaw plating lossis ntawm - thaj chaw tu.
Txawm li cas los xij, hauv kev lag luam titanium anode, ntau tus neeg siv khoom siv "txhuam txheej" los piav txog cov txheej txheem sib txawv: siv cov txheej txheem hlau zoo tshaj plaws rau cov titanium substrate nrog txhuam, ziab nws, thiab cua sov kom lub precursor decomposes rau hauv oxide txheej. Cov txheej txheem no tau piav qhia zoo dua li txhuam thermal decomposition los yog txhuam- siv thermal decomposition txheej.
Ob txoj hauv kev tuaj yeem cuam tshuam nrog txhuam, tab sis lawv cov txheej txheem txheej txheem sib txawv kiag li.
Selective txhuam plating ua cov xim hlau txheej los ntawm electrochemical deposition. Hlau ions raug txo rau ntawm qhov chaw ua haujlwm thiab ua ib txheej hlau.
Txhuam thermal decomposition tsim cov oxide catalytic txheej los ntawm kev hloov tshuaj lom neeg thiab kev kho cua sov. Cov tshuaj precursor yog siv, qhuav thiab raug rho tawm haujlwm ntau zaus kom txog thaum tsim MMO txheej txheej tsim.
Yog li ntawd, thaum tus neeg yuav khoom nug seb lub titanium anode yog "txhuam coated," tus neeg muag khoom yuav tsum xub qhia meej lub ntsiab lus. Puas yog tus neeg yuav khoom nug txog cov txheej txheem hlau plated hauv zos, lossis MMO oxide txheej npaj los ntawm thermal decomposition?
Rau titanium anodes, qhov sib txawv no yog qhov tseem ceeb. Ib qho txhuam txhuam txhuam- txheej txheej yog feem ntau yog xim hlau thiab haum rau cov hlau hauv zos deposition lossis kho. Ib qho txhuam thermal decomposition txheej feem ntau yog MMO catalytic oxide txheej, tsim los rau cov tshuaj electrochemical xws li tshuaj chlorine evolution, oxygen evolution, hypochlorite tiam, cathodic tiv thaiv, dej kho, electrowinning thiab lwm yam kev lag luam electrolysis.
2. Electroplating: Feem ntau siv los ua cov hlau zoo nkauj hlau txheej
Electroplating yog cov txheej txheem electrochemical siv los tso cov txheej hlau mus rau qhov chaw ua haujlwm. Nyob rau hauv ib txwm plating system, lub workpiece ua raws li cathode. Hlau ions nyob rau hauv lub plating da dej tau txais electrons ntawm lub cathode nto, ua hlau atoms thiab tsim raws li ib tug txheej.
Rau titanium anodes, electroplating feem ntau cuam tshuam nrog cov xim hlau zoo nkauj, tshwj xeeb tshaj yog platinum-coated titanium anodes. Lub platinized titanium anode ua ke nrog lub zog txhua yam thiab corrosion kuj ntawm titanium nrog cov conductivity thiab electrochemical zog ntawm platinum.
Hom anode no yuav siv tau nyob rau hauv tej yam electroplating da dej, kuaj electrochemical systems thiab tshwj xeeb electrolytic txheej txheem uas yuav tsum tau ib tug metallic noble hlau nto. Hauv cov ntawv thov no, lub ntsiab lus tseem ceeb tsis yog tsuas yog qhov saum npoo muaj cov hlau muaj txiaj ntsig, tab sis cov hlau muaj txiaj ntsig muaj feem ntau yog cov hlau tso rau txheej.
Kev tswj kom zoo ntawm electroplating yog ze ze rau kev da dej thiab hluav taws xob tsis zoo. Cov yam tseem ceeb muaj xws li tam sim no ceev, plating lub sij hawm, electrolyte muaj pes tsawg leeg, kub, pH, agitation, anode-cathode nrug, fixture tsim, hluav taws xob tiv tauj thiab ua kom nto.
Rau cov phaj tiaj tiaj yooj yim, electroplating yog yooj yim los tswj. Txawm li cas los xij, rau cov txheej txheem titanium nyuaj xws li pob tawb, raj, ntom mesh, welded thav duab thiab ntau- txheej txheej, kev faib tawm tam sim no nyuaj dua. Cov cheeb tsam ze rau ntawm lub txee electrode yuav tau txais tam sim no ntau dua thiab tsim cov pob zeb ntau dua, thaum cov chaw so lossis cov chaw tiv thaiv yuav tau txais tsawg dua tam sim no thiab tsim cov txheej nyias nyias.
Qhov no yog vim li cas electroplated txheej ntawm complex titanium anodes yuav tsum tau ceev fixture tsim thiab txheej txheem validation. Lub ci sab nrauv tsis tuaj yeem ua pov thawj tias cov npoo sab hauv, cov npoo, qhov chaw vuam thiab cov chaw nkaum muaj cov txheej txheem txaus thiab cov txheej txheem.
Titanium kuj ib txwm ua rau cov yeeb yaj kiab oxide passive, uas pab tiv thaiv corrosion tab sis tuaj yeem txo cov txheej adhesion yog tias tsis raug tshem tawm lossis qhib. Rau electroplating, pretreatment thiab ua kom nto yog qhov tseem ceeb tshwj xeeb. Yog hais tias cov roj, oxide zaj duab xis, machining residue los yog lwm yam kab mob nyob rau ntawm qhov chaw, lub plated txheej yuav tsis muaj kev ntseeg siab.
Thaum cov neeg yuav khoom ntsuas electroplated titanium anodes, lawv yuav tsum tsis tsuas yog thov platinum thickness. Lawv kuj yuav tsum nug seb tus neeg muag khoom tswj hwm kev ua ntej, kev sib cuag hluav taws xob, txheej txheej zoo li cas, cov ntsiab lus tshuaj xyuas thiab traceability.
Electroplating yog ib qho kev xaiv muaj zog thaum cov txheej txheej yuav tsum yog xim hlau zoo nkauj txheej thiab cov geometry ib feem tso cai rau kev tso cai tso cai sib xws. Tab sis yog tias daim ntawv thov nyob ntawm MMO catalytic oxide tus cwj pwm, txhuam thermal decomposition feem ntau yog tsim nyog.
3. Txhuam Thermal Decomposition: Ntau haum rau MMO Precious Hlau Oxide Catalytic Layers
Txhuam thermal decomposition yog ib txoj hauv kev siv ntau tshaj plaws rau kev npaj MMO titanium anodes. Hauv cov txheej txheem no, titanium substrate yog pretreated ua ntej. Tom qab ntawd cov tshuaj precursor uas muaj cov khoom siv hlau muaj txiaj ntsig thiab cov khoom siv ua haujlwm tau siv rau saum npoo. Cov txheej yog qhuav thiab rhuab kom lub precursor decomposes rau hauv ib txheej oxide. Lub voj voog no rov ua dua ntau zaus kom txog thaum tsim cov txheej txheem catalytic.
Tsis zoo li electroplating, txheej tsis yog tsim los ntawm electrochemical txo. Nws yog tsim los ntawm kev hloov tshuaj lom neeg thiab kev kho cua sov. Cov txheej txheej kawg yog cov hlau oxide catalytic sib xyaw es tsis yog ib qho yooj yim hlau tso nyiaj.
Cov txheej txheem MMO feem ntau suav nrog ruthenium{0}}iridium oxide, iridium-tantalum oxide thiab lwm cov txheej txheem sib xyaw oxide. Qhov txheej txheej txheej txheej yog nyob ntawm cov electrolyte thiab cov phiaj xwm cov tshuaj tiv thaiv. Chloride- muaj ib puag ncig feem ntau yuav tsum tau coatings nrog zoo chlorine evolution kev ua tau zoo, thaum oxygen evolution ib puag ncig yuav tsum tau coatings nrog muaj zog oxygen evolution stability.
Kev ua haujlwm ntawm MMO txheej tsis yog tsuas yog npog titanium xwb. Nws yuav tsum muab cov khoom siv electrocatalytic nto, txo cov tshuaj tiv thaiv overpotential, tswj kev ua haujlwm ruaj khov, tiv thaiv corrosion thiab tseem txuas nrog titanium substrate thaum lub sijhawm ua haujlwm ntev -.
Kev tswj xyuas zoo ntawm txhuam thermal decomposition yog txawv ntawm electroplating. Cov yam tseem ceeb muaj xws li precursor formulation, txheej viscosity, daim ntawv thov tus nqi ib pass, qhuav mob, decomposition kub, firing lub sij hawm, cua sov uniformity, xov tooj ntawm txheej txheej thiab zaum kawg precious hlau loading.
MMO txheej txheej thermally decomposed yuav qhia tau ib tug zoo tawg los yog av nkos - tawg -zoo li nto morphology. Qhov no tsis tas yuav muaj qhov tsis xws luag. Hauv ntau cov oxide-coated titanium anodes, tswj micro-crack morphology muaj feem xyuam rau thermal tsim thiab tuaj yeem nce qhov chaw tiag tiag. Txawm li cas los xij, tev, hmoov, raug titanium, sib sib zog nqus tsis xws luag los yog txheej txheej tsis sib xws yog qhov txaus ntshai heev.
Rau loj mesh, ntev rods, tubular anodes, pob tawb, complex welded qhov chaw los yog customized los ua ke, txhuam thermal decomposition qhov chaw siab xav tau ntawm tus neeg muag khoom txoj kev. Cov txheej txheem txheej yuav tsum ncav cuag txhua qhov chaw ua haujlwm, ziab yuav tsum tau tswj, thiab cov txheej txheem tua hluav taws yuav tsum zoo ib yam. Cov chaw nkaum, npoo, vuam seams thiab cov ntsiab lus sib cuag yuav tsum tau txiav txim siab ua ntej tsim khoom.
Txhuam thermal decomposition feem ntau yog qhov kev xaiv zoo dua thaum cov khoom xav tau yog MMO catalytic oxide txheej. Nws tso cai rau cov txheej txheem txheej txheem xaiv raws li qhov chaw ua haujlwm tiag tiag thiab cov tshuaj tiv thaiv electrochemical.
4. Qhov sib txawv ntawm qhov tseem ceeb yog txheej txheej txheej txheej txheej thiab zoo-Control Logic
Qhov sib txawv tseem ceeb ntawm electroplating thiab txhuam thermal decomposition tsis yog lub cuab yeej. Nws yog txheej txheej tsim mechanism.
Electroplating tsim ib txheej los ntawm electrochemical txo. Hlau ions ua hlau atoms ntawm lub cathode nto. Qhov kawg txheej yog feem ntau yog xim hlau. Kev tswj cov txheej txheem tsom rau tam sim no, voltage, da dej chemistry, hluav taws xob tiv tauj, tam sim no kev faib tawm thiab lub sijhawm tso tawm.
Txhuam thermal decomposition ua ib txheej los ntawm kev hloov pauv ua ntej. Ib qho tshuaj precursor yog siv, qhuav thiab thermally decomposed rau hauv ib qho oxide. Qhov kawg txheej feem ntau yog MMO catalytic txheej. Kev tswj cov txheej txheem tsom rau kev tsim, daim ntawv thov uniformity, ziab, tua kub, tua lub sij hawm, txheej txheej thiab active tivthaiv loading.
Qhov no kuj ua rau muaj kev soj ntsuam sib txawv.
Rau electroplated metallic coatings, buyers feem ntau tsom rau thickness, tsos, adhesion, kev pab them nqi thiab uniformity. Thickness yog qhov taw qhia tseem ceeb.
Rau MMO thermal decomposition txheej, thickness ib leeg feem ntau tsis txaus. MMO txheej yog cov txheej txheem ua haujlwm catalytic. Lawv qhov kev ua tau zoo nyob ntawm cov khoom muaj nqi hlau, cov khoom sib piv, cov qauv oxide, adhesion, electrochemical kev ua haujlwm, kev ua haujlwm muaj peev xwm ruaj khov thiab tsis kam mus rau passivation.
Qhov no yog vim li cas cov neeg yuav khoom yuav tsum tsis txhob nug, "Puas muaj pes tsawg microns yog MMO txheej?" Ib lo lus nug tseem ceeb dua yog: "Puas yog txheej txheej txheej no haum rau kuv cov electrolyte thiab kev ua haujlwm?"
Hauv electroplating, kev faib tsis zoo tam sim no yuav ua rau muaj qhov sib txawv tuab. Nyob rau hauv thermal decomposition, daim ntawv thov tsis zoo lossis kev tswj hluav taws xob yuav ua rau muaj qhov tsis sib xws, kev sib txuas tsis muaj zog lossis cov txheej txheem hauv zos.
Cov hom tsis ua hauj lwm kuj txawv. Ib txheej txheej electroplated tsis zoo yuav tev, hlwv lossis pom tsis txaus. Ib txheej txheej MMO tsis zoo yuav plam cov khoom siv, hmoov tawm, nthuav tawm titanium los yog ua rau muaj zog nce vim titanium passivation.
Rau titanium anodes, txheej txheej txheej tsis tuaj yeem raug cais tawm ntawm tag nrho cov kev tsim khoom. Lub anode txhim khu kev qha pib los ntawm kev xaiv cov khoom tsim nyog thiab txuas ntxiv los ntawm kev tsim, vuam, tu, pretreatment, txheej, kho cua sov, tshuaj xyuas thiab ntim.
5. Vim li cas Pretreatment cuam tshuam ncaj qha rau txheej txheej?
Pretreatment yog ib qho tseem ceeb uas txiav txim siab titanium anode txheej lub neej.
Titanium ib txwm tsim ib zaj duab xis passive oxide ntawm nws qhov chaw. Cov yeeb yaj kiab no muab titanium zoo heev corrosion kuj, tab sis nws tuaj yeem txo cov txheej adhesion yog tias tsis kho kom zoo. Tsis tas li ntawd, cov khoom titanium tuaj yeem nqa cov roj, plua plav, ntiv tes, machining residue, vuam oxide, txiav cov kab mob los yog cov khoom embedded. Cov kab mob no tuaj yeem dhau los ua cov ntsiab lus tsis muaj zog hauv qab txheej.
Ib txoj hauv kev ua ntej yuav muaj xws li degreasing, mechanical roughening, blasting, pickling, etching, rinsing and drying. Cov txheej txheem tseeb nyob ntawm daim ntawv titanium, txheej hom thiab daim ntawv thov.
Pretreatment muaj ntau lub hom phiaj.
Ua ntej, nws ntxuav qhov chaw. Cov txheej yuav tsum tau khi kom huv si titanium, tsis yog roj, plua plav lossis xoob oxide.
Qhov thib ob, nws activates nto. Qhov no yog ib qho tseem ceeb tshwj xeeb tshaj yog rau electroplating vim tias cov zaj duab xis passive tuaj yeem cuam tshuam cov hlau deposition.
Thib peb, nws txhim kho mechanical bonding. Roughening thiab etching tuaj yeem ua rau thaj tsam tiag tiag thiab pab cov txheej txheem thauj tog rau nkoj mus rau substrate.
Plaub, nws txo cov ntsiab lus tsis muaj zog hauv zos. Tsis sib xws oxide, tsis kho weld nplai lossis embedded paug yuav dhau los ua thawj qhov chaw uas txheej txheej pib pib.
Txawm li cas los xij, pretreatment yuav tsum tau tswj kom zoo. Kev kho mob hnyav dua tsis yog ib txwm zoo dua. Kev etching ntau dhau tuaj yeem ua rau cov titanium mesh nyias, txo qhov raug qhov tseeb lossis ua rau cov qauv tsis zoo. Tsis txaus etching yuav tawm ntawm qhov chaw dhau dhau los yog du heev rau kev txhim khu kev qha.
Rau complex titanium anodes, pretreatment tseem ceeb tshaj. Mesh, raj, pob tawb, pas nrig, cov qauv ntxeem tau thiab cov khoom sib txuas welded txhua tus muaj qhov sib txawv ntawm kev tu thiab ua kom muaj kev sib tw. Yog hais tias pretreatment tsis yog uniform, lub kawg txheej yuav tsis zoo ib yam.
Qhov no yog vim li cas cov neeg yuav khoom yuav tsum tsis txhob txiav txim rau titanium anode tsuas yog los ntawm txheej xim. Ob txheej txheej MMO dub yuav zoo sib xws, tab sis lawv cov kev kho kom zoo thiab kev pabcuam lub neej yuav txawv heev.
6. Vim li cas cov qauv kev sib tw sim tus neeg muag khoom lub peev xwm?
Ntau cov titanium anode tej yaam num tsis yog yooj yim ca daim hlau. Cov neeg yuav khoom yuav xav tau mesh baskets, cylindrical anodes, perforated daim hlau, tubular electrodes, pas nrig sib dhos, welded thav duab, ntau - txheej txheej los yog customized electrolyzer qhov chaw.
Cov txheej txheem nyuaj no nyuaj dua rau lub tsho.
Thawj qhov kev sib tw yog qhov chaw nkag tau yooj yim. Rau electroplating, tam sim no yuav tsum ncav cuag qhov chaw zoo. Sab hauv phab ntsa, qhov khoob khoob khoob thiab cov chaw tiv thaiv yuav tau txais tam sim no tsawg dua. Rau txhuam thermal decomposition, cov tshuaj precursor yuav tsum npog tag nrho cov chaw ua hauj lwm sib npaug, tsis muaj pooling los yog ntau tsub zuj zuj.
Qhov kev sib tw thib ob yog cov nyhuv ntug. Hauv electroplating, cov npoo yuav tau txais kev ceev dua tam sim no thiab txhim kho cov khoom tuab lossis rougher. Hauv thermal decomposition, cov npoo yuav qhuav sai dua thiab tsim cov txheej txheem sib txawv.
Qhov kev sib tw thib peb yog vuam. Welded titanium cov qauv yuav muaj cua sov- thaj chaw cuam tshuam, oxide nplai, geometric irregularities thiab kev ntxhov siab hauv zos. Cov chaw no yuav tsum tau ntxuav kom zoo thiab npaj ua ntej txheej.
Qhov kev sib tw thib plaub yog kev sib cuag hluav taws xob. Lub titanium anode yog ib qho khoom siv hluav taws xob, tsis yog tsuas yog coated ib feem. Hooks, terminals, threaded kev twb kev txuas, tooj liab -cov tub ntxhais kev sib txuas thiab welded cov ntsiab lus yuav tsum nqa tam sim no ntseeg tau.
Qhov kev sib tw thib tsib yog kev tswj qhov seem. Qee cov anodes raug ntsia rau hauv nqaim electrolytic hlwb qhov twg electrode spacing teeb meem. Vuam, txheej thiab kev kho cua sov yuav tsum tsis txhob ua rau deformation tsis kam.
Cov txheej txheem nyuaj yog li kuaj tus neeg muag khoom muaj peev xwm ua ke hauv cov khoom siv titanium, sib sau, vuam, machining, tu, txheej, kho cua sov thiab tshuaj xyuas.
Tus kws tshaj lij yuav tsum tuaj yeem tshuaj xyuas cov duab kos, txheeb xyuas cov kev pheej hmoo ntawm txheej txheej, paub meej tias qhov chaw ua haujlwm, sib tham txog qhov yuav tsum tau ua daim npog qhov ncauj, thiab piav qhia seb txheej txheej yuav raug tswj hwm li cas ntawm cov npoo, welds, sab hauv thiab qhov chaw sib cuag.
7. Yuav ua li cas cov neeg yuav khoom xaiv Electroplating, Selective Brush Plating los yog txhuam Thermal Decomposition?
Cov txheej txheem yog nyob ntawm qhov txheej txheem txheej.
Xaiv electroplating thaum yuav tsum tau siv cov hlau zoo nkauj. Qhov no yog tsim rau platinum-coated titanium anodes thiab daim ntaub ntawv uas tus neeg yuav khoom xav tau ib tug txhais tau tias yog xim hlau noble hlau txheej. Cov neeg yuav khoom yuav tsum muab cov qib titanium, kos duab, xav tau hlau, lub hom phiaj tuab, thaj chaw ua haujlwm, electrolyte, kub, qhov ceev tam sim no thiab kev soj ntsuam yuav tsum tau ua.
Xaiv cov txhuam txhuam plating thaum twg nws yuav tsum tau kho cov xim hlau los yog kho. Txoj kev no tsim nyog rau xaiv- thaj tsam plating, qhov loj me los yog kho- cov ntawv thov. Nws yuav tsum tsis txhob totaub nrog MMO txhuam thermal decomposition.
Xaiv txhuam thermal decomposition thaum yuav tsum tau MMO catalytic oxide txheej. Qhov no feem ntau yog txoj kev nyiam rau Ru-Ir, Ir-Ta thiab lwm yam MMO titanium anodes siv hauv kev kho dej, tiam hypochlorite, tiv thaiv cathodic, electrowinning, electrochemical oxidation thiab lwm yam kev siv electrolysis.
Rau MMO titanium anodes, cov neeg yuav khoom yuav tsum muab daim ntawv thov, electrolyte muaj pes tsawg leeg, pH, qhov kub thiab txias, qhov ceev tam sim no, kev pab cuam lub neej, kev ua haujlwm saum npoo av, kos duab, polarity reversal txaus ntshai thiab tu txoj kev. Nrog rau cov ntaub ntawv no, tus neeg muag khoom tuaj yeem pom zoo rau cov txheej txheem txheej txheej tsim nyog.
Ib daim ntawv qhia kev txiav txim siab yooj yim yog:
Yog tias tus neeg yuav khoom xav tau txheej txheej hlau platinum, xav txog electroplating.
Yog tias tus neeg yuav khoom xav tau kev kho hlau hauv zos lossis xaiv- thaj tsam hlau tso, xav txog kev xaiv txhuam plating.
Yog tias tus neeg yuav khoom xav tau cov txheej txheem sib xyaw hlau oxide catalytic, xav txog txhuam thermal decomposition.
Yog tias tus neeg yuav khoom tsis paub meej, muab cov haujlwm ua haujlwm thiab nug tus neeg muag khoom kom pom zoo cov txheej txheem.
Kev tsis nkag siab ntau hauv Titanium Anode Txheej Xaiv
Ib qho kev nkag siab tsis zoo yog tias tag nrho cov txheej txheem hlau zoo sib xws. Qhov tseeb, nws yog xim hlau platinum, ruthenium oxide, iridium oxide thiab iridium-tantalum oxide yog cov txheej txheem sib txawv nrog cov txheej txheem sib txawv thiab cov kev siv tsim nyog.
Lwm qhov kev nkag siab yuam kev yog tias cov txheej tuab tuab ib txwm txhais tau tias lub neej ua haujlwm ntev dua. Thickness lossis loading yog ib qho tseem ceeb, tab sis lub neej txheej kuj nyob ntawm pretreatment, formulation, adhesion, electrolyte, tam sim no ceev, kub, polarity reversal thiab kev khiav hauj lwm tej yam kev mob.
Qee tus neeg yuav khoom kuj ntseeg tias qhov chaw dub txhais tau tias zoo MMO txheej zoo. Xim ib leeg tsis tuaj yeem ua pov thawj kev ua haujlwm. Txheej chemistry, adhesion, active loading thiab electrochemical stability yog qhov tseem ceeb dua.
Lwm qhov yuam kev yog xav tias tib lub anode tuaj yeem siv tau rau hauv tag nrho cov electrolytes. Hauv kev muaj tiag, chloride- nplua nuj, acidic, alkaline, sulfate-raws li, dej hiav txwv thiab dej khib nyiab ib puag ncig xav tau kev xaiv txheej txheej sib txawv.
Thaum kawg, kev kos duab ib leeg tsis txaus rau qhov tseeb hais. Titanium anodes yog electrochemical Cheebtsam. Tus neeg muag khoom kuj xav tau kev ua haujlwm kom pom zoo rau cov txheej txheem kom raug.
Cov ntaub ntawv dab tsi uas cov neeg yuav khoom yuav tsum npaj ua ntej xa cov lus nug?
Txhawm rau kom tau txais cov lus pom zoo dua, cov neeg yuav khoom yuav tsum npaj cov ntaub ntawv hauv qab no:
● daim ntawv thov;
● electrolyte muaj pes tsawg leeg;
● pH ntau;
● kub;
● tam sim no ceev;
● tag nrho tam sim no;
● xav tau kev pab lub neej;
● kos duab lossis qhov ntev;
● thaj chaw ua haujlwm;
● txheej hom yog tias twb tau teev tseg lawm;
● kev soj ntsuam lossis kev xeem;
● batch kom muaj nuj nqis thiab kev xa khoom.
Qhov ntau ua tiav cov ntaub ntawv, ntau txhim khu kev qha cov txheej txheem pom zoo thiab hais lus yuav.
Xaus: Xaiv txheej txheej txheej raws li txheej txheej txheej
Electroplating, xaiv txhuam plating thiab txhuam thermal decomposition yog cov txheej txheem sib txawv.
Electroplating cov ntaub ntawv hlau coatings los ntawm electrochemical deposition. Selective txhuam plating yog localized metallic deposition. Txhuam cov ntaub ntawv thermal decomposition MMO precious hlau oxide catalytic txheej los ntawm precursor daim ntawv thov, ziab thiab kho cua sov.
Rau titanium anodes, cov txheej txheem raug yuav tsum raug xaiv raws li cov electrolyte, hom tshuaj tiv thaiv, tam sim no ceev, kub, xav tau lub neej thiab cov qauv anode.
Ib qho zoo titanium anode tsis yog tsuas yog coated nto. Nws yog qhov tshwm sim ntawm cov khoom tsim nyog, pretreatment kom raug, txheej txheej chemistry, tswj kev tsim khoom thiab kev tshuaj xyuas txhim khu kev qha.
Ehisen tsom rau cov hlau zoo nkauj coated titanium anodes rau kev siv hluav taws xob siv hluav taws xob. Yog tias koj xaiv titanium anodes rau electroplating, dej kho, hypochlorite tiam, cathodic tiv thaiv, electrowinning lossis customized electrolytic khoom, koj tuaj yeem xa peb cov duab kos, cov ntaub ntawv electrolyte thiab kev ua haujlwm tsis zoo. Peb pab neeg tuaj yeem pab ntsuam xyuas koj cov kev ua haujlwm thiab pom zoo kom haum titanium anode txheej txheej.