titanium anode

Inkcazelo emfutshane:

I-Titanium anode (eyaziwa ngokuba yi-titanium-based metal oxide coated anode, i-DSA, i-Dimensionally Stable Anode) yinto ephezulu yokusebenza kwe-electrode esetyenziswa ngokubanzi kwintsimi ye-electrochemistry. Inokumelana nokugqwesa okugqwesileyo, umsebenzi ophezulu we-catalytic kunye nobomi obude


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Iinkcukacha zeMveliso

Iithegi zeMveliso

I-Titanium anode (eyaziwa ngokuba yi-titanium-based metal oxide coated anode, i-DSA, i-Dimensionally Stable Anode) yinto ephezulu yokusebenza kwe-electrode esetyenziswa ngokubanzi kwintsimi ye-electrochemistry. Inokumelana nokugqwesa okugqwesileyo, umsebenzi ophezulu we-catalytic kunye nobomi obude.

1. Iimpawu eziphambili ze-titanium anode
- Ukuzinza kwe-Dimensional: I-electrode spacing ihlala ingatshintshi ngexesha lenkqubo ye-electrolysis, iqinisekisa i-voltage yeseli ezinzile.
- Ukumelana ne-corrosion enamandla: Ifanelekile i-asidi eqinile, i-alkali eyomeleleyo kunye ne-Cl⁻-equlethe imidiya, kunye nokumelana nokugqwala okugqithise kakhulu kwi-graphite kunye ne-lead anode.
- I-voltage ephantsi yokusebenza: I-overpotential ephantsi ye-oksijini / i-chlorine evolution, igcina i-10% -20% yamandla.
- Ubomi obude: Kwishishini le-chlor-alkali, ixesha lokuphila lingafikelela kwiminyaka emi-6, ngelixa i-graphite anode ziinyanga ezi-8 kuphela.
- Uxinaniso oluphezulu lwangoku: Ixhasa i-17A/dm² (i-graphite anode yi-8A/dm² kuphela), iphucula ukusebenza kakuhle kwemveliso.

2. Iindawo zesicelo eziphambili
(1) Ishishini leChlor-alkali
- I-Electrolysis ye-brine ukuvelisa i-chlorine kunye ne-caustic soda, i-titanium anode inokunciphisa i-voltage yeseli kunye nokuphucula ukucoceka kwe-chlorine.
- Faka indawo ye-graphite anode ukunqanda ukungcoliseka kwe-electrolyte.
(2) Ukucocwa kwamanzi amdaka
- I-Electrocatalytic oxidation: Ukunciphisa i-organic matter ekushicileleni nasekudayeni, amayeza, kunye nokucoca amanzi amdaka, kunye nesantya sokususa i-COD ukuya kuthi ga kwi-90%.
- Ijenereyitha ye-Sodium hypochlorite: I-Electrolyze brine ukwenza isibulala-ntsholongwane, esetyenziselwa ugutyulo lwasesibhedlele kunye nonyango lwamanzi edama lokuqubha.
- Unyango lwamanzi amdaka ngemitha: Ukubuyiswa kwe-Electrolytic yesinyithi se-radioactive njenge-uranium kunye ne-plutonium.
(3) Ishishini le-Electroplating
- Isetyenziselwa i-nickel plating, i-chromium plating, i-golden plating, njl.
- I-oxygen evolution overpotential yi-0.5V ephantsi kune-anode ehamba phambili, egcina amandla kakhulu.
(4) I-Electrolytic metallurgy
- Khipha iintsimbi ezifana nobhedu, i-zinc, kunye ne-nickel, endaweni ye-anode yelothe, kwaye ugweme ukungcoliswa kwe-cathode.
- Ifanele uxinano oluphezulu lwangoku (olufana ne-8000A/m²) kunye neemeko ezimxinwa zesithuba phakathi kwe-electrode (5mm).
(5) Amandla amatsha kunye nokuveliswa kwehydrogen
- Ukuveliswa kwe-Hydrogen nge-electrolysis yamanzi: Ukunciphisa i-oksijini ye-oxygen overpotential kunye nokuphucula ukusebenza kakuhle kwamandla.
-Ibhetri yemeko eqinileyo: isetyenziselwa ukwenza ipleyiti esekwe kwi-titanium.
(6) Ezinye izicelo
- Ukukhuselwa kweCathodic: i-anti-corrosion yezakhiwo zetsimbi zaselwandle, kunye nobomi benkonzo obungaphezu kweminyaka eyi-10.
-I-Electrochemical synthesis: njengokulungiswa kweekhompawundi zezinto eziphilayo kunye neziphakathi zamayeza.

3. Inkqubo yokwambathisa kunye nokukhetha
- Iingubo eziqhelekileyo:
- I-Ruthenium (i-RuO₂): ilungele imboni ye-chlor-alkali, ukumelana ne-Cl⁻ corrosion.
- Iridium (IrO₂): ukuxhathisa okuqinileyo kwe-asidi, ifanelekile kunyango lwamanzi amdaka.
- I-Platinam yokwambathisa: isetyenziselwa ukucoceka okuphezulu kwe-titanium electrolysis, ukumelana nobushushu obuphezulu (600℃).
-Ifomu yesakhiwo: ipleyiti, ityhubhu, i-mesh, ucingo, njl., inokwenziwa ngokwezifiso ngokweemfuno.

4. Isondlo kunye nokwandiswa kobomi
- Ukucoca rhoqo: hlambulula ngamanzi adiyiniweyo emva kokuvalwa ukunqanda ukubekwa kwesikali.
- Gwema umonakalo womatshini: umonakalo kwiplatinum umaleko uya kubangela ukubola ngokukhawuleza kwe-titanium substrate.
- Ukusebenza kwe-Electrolytic: ukubuyisela umva unyango lwangoku rhoqo kwiiyure ezingama-3000 ukukhulula i-passivation layer.

5. Iindlela zophuhliso lwexesha elizayo
- Iingubo ezidibeneyo: ezifana ne-platinum-iridium gradient coatings, ngakumbi ukunciphisa i-oxygen evolution overpotential (i-laboratory ifikelele kwi-1.25V).
-Ukujongwa okukrelekrele: izinzwa ezidityanisiweyo zibeke iliso kwilahleko yokwaleka ngexesha langempela.
- Ukhuseleko lokusingqongileyo kunye nokusetyenziswa kwamandla amatsha: njengeebhetri eziqinileyo kunye nemveliso ye-hydrogen esebenzayo.

 

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