A mixture design approach to the service life and the oxygen evolving catalytic activity of Ru-Sn-Ti ternary oxide coated electrodes

Lin, Shih Min; Wen, Ten Chin

doi:10.1007/bf00707627

J Appl Electrochem

1993

DOI: 10.1007/bf00707627

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A mixture design approach to the service life and the oxygen evolving catalytic activity of Ru-Sn-Ti ternary oxide coated electrodes

Shih Min Lin

Ten Chin Wen

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Cited by 23 publications

References 29 publications

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Blending thermoplastic polyurethanes and poly(ethylene oxide) for composite electrolytes via a mixture design approach

Wen

Chen

2000

J. Appl. Polym. Sci.

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ABSTRACT:With the aim of obtaining proper composite electrolytes, a systematic modeling analysis for the percentage increase in weight due to swelling with respect to swollen weight, S w , and the room temperature conductivity ( 25 ) of the composite films of polyethylene glycol based thermoplastic polyurethane/polytetramethylene glycol based thermoplastic polyurethane/polyethylene oxide [denoted as TPU(PEG)/TP-U(PTMG)/PEO] was performed. Using a mixture design approach, empirical models are fitted and plotted as contour diagrams which facilitate revealing the synergistic/antagonistic effects among the mixed polymers. The contour plot results show that both the maximum S w (64.9%) and the maximum 25 (72.2 ϫ 10 Ϫ5 S cm Ϫ1) appear at point X 3 (PEO 85%, TPU(PEG) 15%). The results are reasonably explained from the interactions among polymers on the basis of their molecular structures. The thermal analysis of the composite films is performed to demonstrate the speculations about the interactions among the mixed polymers by using differential scanning calorimeter. The crystallization of PEO spherulites at different compositions was examined by using a polarizing microscope.

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Blending thermoplastic polyurethanes and poly(ethylene oxide) for composite electrolytes via a mixture design approach

Wen

Chen

2000

J. Appl. Polym. Sci.

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Morphological and electrochemical investigation of RuO2–Ta2O5 oxide films prepared by the Pechini–Adams method

2008

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Preparation methods can profoundly affect the structural and electrochemical properties of electrocatalytic coatings. In this investigation, RuO 2 -Ta 2 O 5 thin films containing between 10 and 90 at.% Ru were prepared by the Pechini-Adams method. These coatings were electrochemically and physically characterized by cyclic voltammetry, scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD). The composition and morphology of the oxide were investigated before and after accelerated life tests (ALT) by EDX and SEM. SEM results indicate typical mud-flat-cracking morphology for the majority of the films. High resolution SEMs reveal that pure oxide phases exhibit nanoporosity while binary compositions display a very compact structure. EDX analyses reveal considerable amounts of Ru in the coating even after total deactivation. XRD indicated a rutile-type structure for RuO 2 and orthorhombic structure for Ta 2 O 5 . XPS data demonstrate that the binding energy of Ta is affected by Ru addition in the thin films, but the binding energy of Ru is not likewise influenced by Ta. The stability of the electrodes was evaluated by ALT performed at 750 mA cm -2 in 80°C 0.5 mol dm -3 H 2 SO 4 . The performance of electrodes prepared by the Pechini-Adams method is 100% better than that of electrodes prepared by standard thermal decomposition.

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Electrochemical destruction of RB5 on Ti/PtOx–RuO2–SnO2–Sb2O5 electrodes: a comparison of two methods for electrode preparation

Soni

Patel

Agrawal

2019

Int. J. Environ. Sci. Technol.

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A mixture design approach to the service life and the oxygen evolving catalytic activity of Ru-Sn-Ti ternary oxide coated electrodes

Cited by 23 publications

References 29 publications

Blending thermoplastic polyurethanes and poly(ethylene oxide) for composite electrolytes via a mixture design approach

Blending thermoplastic polyurethanes and poly(ethylene oxide) for composite electrolytes via a mixture design approach

Morphological and electrochemical investigation of RuO2–Ta2O5 oxide films prepared by the Pechini–Adams method

Electrochemical destruction of RB5 on Ti/PtOx–RuO2–SnO2–Sb2O5 electrodes: a comparison of two methods for electrode preparation

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