Stabilization of metal-metal oxide surfaces using electroactive polymer films

Journal Article · Tue Aug 01 00:00:00 EDT 1989 · Journal of the Electrochemical Society; (USA)

DOI:https://doi.org/10.1149/1.2097233· OSTI ID:5212101

Deng, Z; Smyrl, W H; White, H S ^[1]

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1. Minnesota Univ., Minneapolis, MN (USA). Corrosion Research Center

Charge coupling of the catalyzed reduction of O/sub 2/ on platinized poly(3-methylthiophene) (P(3-MT)) films to the anodic dissolution of Ti is reported. Specifically, the redox polymer with Pt catalyst is used in these studies to mediate electrons generated by Ti dissolution and consumed by O/sub 2/ reduction. Due to the large redox polymer capacity ({ge}55 F/cm/sup 3/) of P(3-MT), these reactions occur at a stable potential approximately equal to the reversible oxidation potential of the polymer. Data presented support the conclusion that O/sub 2/ reduction on the polymer film can replenish polymer charge consumed by metal dissolution, thereby stabilizing the potential of Ti within the passive potential range and minimizing the rate of metal dissolution.

• OSTI ID: 5212101
• Journal Information: Journal of the Electrochemical Society; (USA), Vol. 136:8; ISSN 0013-4651
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
OXIDES
STABILIZATION
POLYMERS
PROTECTIVE COATINGS
TITANIUM
DISSOLUTION
CATALYSIS
CATALYSTS
CATHODES
CORROSION RESISTANCE
DATA ANALYSIS
METAL-METAL BATTERIES
OXYGEN
PLATINUM
POROUS MATERIALS
CHALCOGENIDES
COATINGS
ELECTRIC BATTERIES
ELECTROCHEMICAL CELLS
ELECTRODES
ELEMENTS
MATERIALS
METALS
NONMETALS
OXYGEN COMPOUNDS
PLATINUM METALS
TRANSITION ELEMENTS
360205* - Ceramics
Cermets
& Refractories- Corrosion & Erosion
360603 - Materials- Properties
400400 - Electrochemistry
360604 - Materials- Corrosion
Erosion
& Degradation