Puas tau xav tias peb sib cais dej rau hauv hydrogen thiab oxygen lossis cov hlau yuav ua kom zoo li cas? Cov lus teb feem ntau yog nyob hauv lub ntiaj teb ntxim nyiam ntawmCov Hluav Taws XobCov. Cov ntaub ntawv uas tsis muaj tseeb yog qhov tsis txaus ntseeg ntawm ntau cov txheej txheem scientific thiab muaj, ua yeeb yam raws li cov hluav taws xob tam sim no los cuam tshuam nrog cov tshuaj. Kab lus no ua ke mus rau hauv lub realm ntawmKhoom Siv Hluav Taws Xob, tshawb nrhiav vim li casnpaim, nrog lwm tustej hlau, plays lub luag haujlwm tseem ceeb hauv cov ntawv thov nyiamelololsissisThiab ntau yam ntxiv. Nkag siab cov khoom uas ua tau zookhoom siv hluav taws xobyog tus yuam sij rau kev qhib ntau yam ntawm thev naus laus zis.
Dab tsi yog qhov electrode thiab nws ua dab tsi hauv electrolysis?
Ntawm nws yooj yim tshaj plaws, ibkhoom siv hluav taws xobyog tus saib xyuas hluav taws xob siv los ua kom muaj kev sib cuag nrog ib feem ntawm nonmetallic ib feem ntawm Circuit Court, xws li ibElectrolyteCov. Nyob rau hauv cov ntsiab lus ntawmelololsissis, tus txheej txheem siv los tsav tsheb tsis muaj kev sib xws tsis siv hluav taws xob hluav taws xob,Cov Hluav Taws Xobyog kiag li tseem ceeb. Koj xav tau tsawg kawg yog obCov Hluav Taws Xob: ibnaj hoomthiab atus kws uanhahodeCov. Hluav taws xob no tau dhau los ntawmElectrolyteNtawm noCov Hluav Taws XobCov. Ntawm lubtus kws uanhahode, uas yogtsis zoo them, txo tshwm sim tshwm sim, cov ntsiab lus muajhauv hluav taws xobs. Hloov siab, ntawm lubQhov Zoo, lossisnaj hoom, oxidation yuav siv sij hawm, qhov twg cov tshuaj poobhauv hluav taws xobs. NoKev Hloov Hluav Taws Xobpab txhawb nqa los ntawmCov Hluav Taws Xobyog lub hauv paus tseem ceeb tom qabelololsissisCov. Xav txog tuskhoom siv hluav taws xobS li lub platform uas cov hluav taws xob hluav taws xob ua tau raws li cov tshuaj lom neeg, ua rau lawv hloov pauv.
Dab tsi ua rau cov khoom zoo electrode?
Qhov zoo tagnrhokhoom siv hluav taws xobmuaj kev sib txuas ntawm ob peb tus yuam sijkev coj uaCov yam ntxwv. Thawj thiab foremost, siabHluav Taws Xob Kev Tshaj Tawmyog paramount. Qhov no tso cai rau cov dej ntws tau zoohauv hluav taws xobs nrog minimal zog poob. Thib ob, ZooCorrosion Kujyog qhov tseem ceeb, tshwj xeeb tshaj yog thaum lubcov khoom siv ua haujlwm nyob rau hauv raug lossis qhib ib puag ncigCov. Tuskhoom siv hluav taws xobyuav tsum tau tiv thaiv cov muaj peev xwm corrosiveElectrolytethiab cov byproducts ntawm lubElectrochemicaltshuaj tiv thaiv. NEEG KHO TSHUAB Muaj Zog Thiabkev nyuajkuj tseem ceeb rau kev ua kom ntev, tshwj xeeb hauv kev lag luam cov ntawv thov uasCov Hluav Taws Xobtej zaum yuav raug rau kev ntxhov siab lub cev. Tsis tas li ntawd, tusKev xaiv ntawm cov khoom siv electrodefeem ntau koom nrog xav txog tus nqi thiab muaj covCov ntaub ntawv sivCov. Qhov tseeb, ibkhoom siv hluav taws xobyuav tsum tau yooj yim nkag thiabTus nqi qisYog tsis muaj kev sib txawv. TusCov khoom siv hluav taws xob yog hais txograu cov khoom uas tau yooj yim tshaj plaws rau cov tshuaj lom neeg lossis txheej txheem hluav taws xob.
Vim li cas cov hlau feem ntau siv ua electrodes?
Tej hlauyog nquag xaiv raws liKhoom Siv Hluav Taws XobVim yog lawv cov khoom uas lawv tau txais. Ntau tshaj plawstej hlaunthuav qhia cov zoo tshaj plawsHluav Taws Xob Kev Tshaj Tawmvim yog lawv "hiav txwv ntawm cov tshuab hluav taws xob" qauv, qhov twghauv hluav taws xobS yog delocalized thiab dawb txav, pab txhawb kev thauj khoom zoo. Sib xwsCov siv hlau siv los ua cov khoom siv hluav taws xobyuavtooj liab, paub rau nws siabkev coj uathiab kujTus nqi qis, txawm hais tias nws tuaj yeem ua tau zoo rauoxidationnyob rau qee yam.Platinum (Pt) Yog lwm qhov kev xaiv nrov vim nws yog qhov tshwj xeebCorrosion Kujthiab siabkev coj ua, Txawm hais tias nwsTus nqi siabtxwv nws siv rau cov ntawv thov tshwj xeeb.Titaniummuaj nuj nqis rau nwsCorrosion Kujthiab muaj peev xwm tsim kev tiv thaivoxidetxheej.Stainless hlau, ib qho alloy muaj hlau, chromium, thiab lwm cov ntsiab lus, muaj kev sib tw zoo ntawmCorrosion Kuj, lub zog, thiab tus nqi-ua hauj lwm zoo. Qhov kev xaiv ntawm ib qho tshwj xeebhlauNyob ntawm cov ntawv thov tshwj xeeb thiab tshuaj lom neeg nws yuav ua haujlwm hauv.
Yuav ua li cas txog graphite? Vim li cas graphite xws li nrov cov khoom siv hluav taws xob nrov?
Thaumtej hlaumuaj ntau,npaimsawv tawm raws li qhov tshwj xeeb tsis yog xim hlaukhoom siv hluav taws xob. Graphite yog ib tug neeg coj ua zoontawm hluav taws xob vim nws cov qauv txheej txheem txheej txheej. Txhua tus pa roj nyob hauvnpaimyog sib khi rau peb lwm tus, tawm ib qho pub dawbhauv hluav taws xobuas tuaj yeem txav mus los dawb hauv cov khaubncaws sab nraud povtseg, pab txhawb rau nwsHluav Taws Xob Kev Tshaj TawmCov. Qhov tseem ceeb,npaimmuaj kev ua tau zoo heevCorrosion KujHauv ntauElectrochemical cov txheej txheem, ua rau nws haum rau ntau yamelololsissisCov ntawv thov, txawm tias muaj kev txhoj puab heevElectrolytes. Piv rau muaj nuj nqistej hlaunyiamplatinum, npaimyog qhov ua tau zoo dua. Qhov kev sib xyaw no ntawmsiab kawg, Corrosion Kuj, thiabTus nqi qisuanpaimIb tug xav tau heevkhoom siv hluav taws xobCov. Koj yuav nquag pomGraphite rodslossisnpaimthaiv siv raws liCov Hluav Taws XobHauv kev muajelololsissisCov txheej txheem rau kev tsim cov tshuaj chlorine thiab txhuas, ntawm lwm tus. TusYooj yim ntawm kev nkag musthiabKhoom siv ntauMuaj ntau pab txhawb rau nws cov kev siv thoob plaws.
Kev xaiv ntawm cov khoom electrode cuam tshuam rau cov txheej txheem electrochemical?
TusKev xaiv ntawm cov khoom siv electrodemuaj qhov cuam tshuam zoo heev ntawm kev ua tau zoo thiab tshwm sim ntawmElectrochemical cov txheej txheemCov. TusHluav Taws Xob Kev Tshaj Tawmntawm lubkhoom siv hluav taws xobncaj qha cuam tshuam lubfai fab hov ntauyuav tsum tsav cov tshuaj tiv thaiv. Ib tug heevCov Khoom Siv Uame me zog poob vim yog tsis kam. TusElectrochemicalCov khoom ntawm lubkhoom siv hluav taws xob, xws li nws overpotential rau cov kev sib tw tshwj xeeb (zoo li cov kev hloov pauv ntawm cov pa oxygen lossis hydrogen), txiav txim siab lub zog ua haujlwm ntawm lubelololsissisCov. Piv txwv li, siv ib qhokhoom siv hluav taws xobnrog lub siab overpotential rau oxygen evolution hauv dejelololsissisxav tau ntau lub zog los ua hydrogen. TusCorrosion Kujntawm lubkhoom siv hluav taws xobdictates nws lifespan thiab lub purity ntawm cov khoom. Yog tuskhoom siv hluav taws xobcorrodes, cov hlau ions tuaj yeem paug covElectrolytethiab cov khoom kawg. Tsis tas li ntawd, tusThaj tsam thaj chawntawm lubkhoom siv hluav taws xobcuam tshuam cov tshuaj tiv thaiv cov tshuaj tiv thaiv; ibThaj chaw lojmuab cov chaw muaj ntau rauKev Hloov Hluav Taws Xob, coj mus rau cov kev cuam tshuam sai dua.
Ib co piv txwv ntawm cov ntawv thov elegrode dhau electrolysis?
Thaumelololsissisyog ib daim ntawv thov loj,Cov Hluav Taws Xobyog tsis tseem ceeb nyob rau hauv ntau ntawm lwm cov thev naus laus zis. HauvRoj Hlawv, Cov Hluav Taws Xobua kev catalysts rau lubElectrochemicalcov tshuaj tiv thaiv uas tsim hluav taws xob los ntawm cov roj zoo li hydrogen. Tuskhoom siv hluav taws xobhauvRoj Hlawvxav tau yuav tsum tau catalytic thiabkev ua cev tub--RESTantant. Hauvlub tshuabtej txheej txheem zoo li hluav taws xob tshem tawm tshuab ntaub (tshuaj),khoom siv hluav taws xobs ua los ntawm cov lus qhia zoo linpaimlossistooj liabyog siv los erode aworkpiecelos ntawm kev tswj hwmHluav Taws Xob TawmCov. Qhov tseeb thiabkev nyuajntawm lubkhoom siv hluav taws xobyog qhov tseem ceeb hauv edm.Cov Hluav Taws Xobkuj tseem muaj cov roj ntsha hauv cov roj teeb, suav nroglithium-ion roj teeb, qhov twgnpaimfeem ntau siv raws li covnaj hoomcov khoom siv. Ntxiv mus, hauvelectroanalyticalChemistry, Tshwj XeebCov Hluav Taws Xob, xws li lubkev sib dhos disk electrode, yog siv rau kev kawm cov tshuaj tiv thaiv kev sib xws thiab saib xyuas cov tshuaj thiab ntau yam. Cov piv txwv no tau hais txog cov versatility ntawmCov Hluav Taws XobThiab qhov tseem ceeb ntawm kev xaiv qhov tsim nyogkhoom siv hluav taws xobRau txhua daim ntawv thov tshwj xeeb.
Dab tsi yog qhov sib txawv ntawm qhov zoo electrode thiab cathode?
Nyob rau hauv ib yamElectrochemicalCell, seb nws yog ib qhoelololsissisCell lossis roj teeb, muaj ob qho tseem ceebCov Hluav Taws Xob: tusQhov ZooThiab tustus kws uanhahodeCov. Cov lusnaj hoomthiabtus kws uanhahodeTxhais cov kev taw qhia ntawm kev ntws tam sim no. Tusnaj hoomyog qhov twg oxidation tshwm sim, thiab nws yog tuskhoom siv hluav taws xoblos ntawm cov pa uas tau ntws tawmmus hauvlub cuab yeej. Hauv ibelololsissisCell, tusnaj hoomyog tusQhov ZooCov. Hloov siab, tustus kws uanhahodeyog qhov twg txo qhov chaw, thiab nws yog tuskhoom siv hluav taws xoblos ntawm cov pa uas tau ntws tawmtawmntawm lub cuab yeej. Hauv ibelololsissisCell, tusCathode electrode yuav tsumyuavtsis zoo themCov. Nws yog ib qho tseem ceeb kom nco ntsoov tias lub cim ntawm lubkhoom siv hluav taws xob(zoo lossis tsis zoo) tuaj yeem yog nyob ntawm seb lub cell yog siv hluav taws xob (zoo li hauvelololsissis) lossis kev tsim hluav taws xob (zoo li hauv roj teeb). Txawm li cas los xij, cov ntsiab lus ntawmnaj hoom(oxidation) thiabtus kws uanhahode(Txo) nyob twj ywm.
Puas muaj lwm cov ntaub ntawv uas tsis yog xim hlau hauv electrode dua li graphite?
Thaumnpaimyog qhov tseem ceeb tsis yog xim hlaukhoom siv hluav taws xob, muajNtau lwm yamsiv nyob rau hauv ntau cov ntawv thov.Ua cov khoom siv polymers, piv txwv li, yog nce traction vim lawvzoo heevthiab muaj peev xwm them nqi zoo. Cov polymers no tuaj yeem ua taukev Electrochemicallyhloov kho kom tau lawvkev coj ua. Cov pa roj carbon raws linanomaterials nyiamhoobthiab carbon nanotubes (Siv CNTs) kuj tseem raug tshawb nrhiav rau lawv qhov tshwj xeebkev coj uathiabThaj chaw loj, ua rau lawv cog lus rau cov ntawv thov hauvHybrid Supercapacitorsthiab qeb siab tshaj lij.OxideCov ntaub ntawv, tshwj xeebHlau Oxides zoo liruthenium oxide(Ruo2) thiab iRidiumoxide(Iro2), tau siv dav uaKhoom Siv Hluav Taws XobHauv cov ntawv thov uas yuav tsum tau ua siab rau catalytic ua, xws li oxygen evolution hauv dejelololsissis. Ua kom tau cov pa roj carbon electrodes, nrog lawv siabThaj tsam thaj chaw, feem ntau siv nyob rau hauv supercapitors rau lub zog cia. Txawm cov ntaub ntawv zoo liSilicon CarbideNrhiav Niche cov ntawv thov raws liCov Hluav Taws Xobraws li cov xwm txheej tshwj xeeb.
Qee yam tseem ceeb los txiav txim siab thaum xaiv cov khoom siv hluav taws xob?
Thaum xaiv txoj caikhoom siv hluav taws xob, ntau yam yuav tsum ua tib zoo saib xyuas.Hluav Taws Xob Kev Tshaj Tawmtseem muaj kev txhawj xeeb tseem ceeb rau kev hloov pauv hloov.Corrosion Kujyog tseem ceeb heev los xyuas kom meejkhoom siv hluav taws xobTxoj kev ua kom ntev thiab tiv thaiv kev paug. TusElectrochemicalQhov rai ntawm lubkhoom, uas txhais cov ntau ntawmfai fab hov ntaus tshaj uas tuskhoom siv hluav taws xobyog ruaj khov, kuj tseem yog qhov tseem ceeb. TusThaj tsam thaj chawthiab porosity ntawm lubkhoom siv hluav taws xobMuaj peev xwm cuam tshuam cov neeg feem ntau cuam tshuam cov kev ntsuas, tshwj xeeb hauv kev siv catalytic. Cov khoom siv mechanies, xws likev nyuajthiab lub zog, yog qhov tseem ceeb rau covkhoom siv hluav taws xob'Surability. Tus nqi thiab muaj kev txiav txim siab ua tau zoo, tshwj xeeb tshaj yog rau cov ntawv thov loj. Thaum kawg, cov tshuaj lom neeg thiab cov npajElectrochemical cov txheej txheemyuav dictate qhov haum ntawm ib qhokhoom siv hluav taws xobCov. Cov kws tshawb fawb tau kawm tas li tshiabnanomaterialsthiabmultilayer electrodeCov qauv tsim los ua kom ua kom zoo dua cov khoom no.
Kuv tuaj yeem kawm paub ntxiv txog cov khoom siv hluav taws xob hauv tshuab hluav taws xob qhov twg?
Rau cov uas nrhiav kev paub tob txog cov intricaces ntawmKhoom Siv Hluav Taws Xobthiab lawv tus cwj pwm,Cov ntsiab lus sciencedirecectmuab cov ntaub ntawv nplua nuj. Cov peev txheej online no muab kev nthuav dav ntawm ntau yam kev tshawb fawb thiab cov txuj ci, suav nrog cov ncauj lus sib tham ntawmElectrochemistry, txawvKhoom Siv Hluav Taws Xob, thiab lawv daim ntawv thov. Koj tuaj yeem pom cov lus qhia tob ntawmKev Hloov Hluav Taws Xobkev siv tshuab,Electrochemicalkev tawm tsam ntawm kev sib txawvkhoom siv hluav taws xobnto, thiab cov ntsiab cai nyob tom qab cov tswv yim zoo liHluav Taws Xob Hluav Taws XobCov. Kuaj xyuasCov ntsiab lus sciencedirecectmuaj caiCov Hluav Taws Xob, elololsissis, thiab cov ntaub ntawv tshwj xeeb xws linpaim, platinum, thiabHlau OxideS yuav muab lub hauv paus ruaj khov rau kev nkag siab qhov no fascinating thiab tseem ceeb. Koj kuj tseem yuav pom cov ntaub ntawv ntsig txog ntau yam tshwj xeebkhoom siv hluav taws xobhom zoo li lubtiaj graphite anode, Cov roj carbon viticonulated viteeous, lossis txawm tias kev teeb tsa uas muajStainless hlau meshCov. Nco ntsoov, nkag siab txog lub nuances ntawmCov ntaub ntawv electrodode nyob hauvyog tus yuam sij rau nce qib ntau thev naus laus zis.
Tseem ceeb takaways:
- Cov Hluav Taws Xobyog qhov tseem ceeb saib xyuas uas pab txhawbKev Hloov Hluav Taws Xobnyob rau hauv cov txheej txheem zoo lielololsissis.
- Cov yam ntxwv tseem ceeb ntawm qhov zookhoom siv hluav taws xobsuav nrog siabHluav Taws Xob Kev Tshaj Tawm, Corrosion Kuj, thiab lub zog kho tshuab.
- Tej hlaunyiamtooj liab, platinum, thiabTitaniumyog muaj ntauKhoom Siv Hluav Taws Xobvim lawvkev coj ua.
- Npaimyog qhov nrov tsis yog xim hlau xaiv tiv rau nwsZoo hluav taws xob conductivity, Corrosion Kuj, thiabTus nqi qis.
- TusKev xaiv ntawm cov khoom siv electrodecuam tshuam cuam tshuam ntau dua ua tau zoo thiab tshwm sim ntawmElectrochemical cov txheej txheem.
- Cov Hluav Taws Xobnrhiav cov ntawv thov dhauelololsissis, suav nrogRoj Hlawvthiablub tshuabing (edm).
- Tusnaj hoomyog qhov twg oxidation tshwm sim, thiab covtus kws uanhahodeyog qhov twg kev daws tau tshwm sim.
- Tsis kavnpaim, lwm yam tsis yog xim hlauKhoom Siv Hluav Taws XobyuavUa cov khoom siv polymerS thiab Carbon nanomaterials nyiamhoob.
- Xaiv txoj caikhoom siv hluav taws xobyuav tsum ua tib zoo xav txog nwskev coj ua, kev ua cev tubKuj, tus nqi, thiab daim ntawv thov tshwj xeeb.
- Cov Khoom Zoo LiCov ntsiab lus sciencedirecectmuab cov ntaub ntawv muaj txiaj ntsig ntawm lubElectrochemistryntawm txawvKhoom Siv Hluav Taws Xob.
Peb muab cov ntau ntawm cov khoom zoonpaimCov khoom haum rau ntau yamkhoom siv hluav taws xobCov ntawv thov. Xav tshawb xyuas pebHigh-fais fab graphite electroderau kev xav tauelololsissiscov txheej txheem lossis pebConductive Graphite Qws Rau Cov Hluav Taws Xobrau cov ntawv teev tshwj xeeb. Koj tseem tuaj yeem pom cov khoom zoo rau EDM daim ntawv thov hauv pebSiab zog graphite block.
Sijhawm Post: 01-20 2.5
