Effect of additives on the anodic codeposition of lead dioxide and polypyrrole

Velayutham, D.; Noel, M.

doi:10.1007/bf00251028

Cited by 12 publications

(7 citation statements)

References 24 publications

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“…As one of the more traditional coatings, lead dioxide (PbO 2 ) has attracted considerable attention due to its demonstrated advantages, including low electrical resistivity, low cost, ease of preparation, good chemical stability, and relatively large surface area [4][5][6][7]. Thus, lead dioxide has already been used in waste water treatment [8][9][10], ozone generation [11,12], lead-acid batteries [13][14][15], analytical sensors [16], and the metal electrowinning process [17]. It is well-known that PbO 2 shows two phases: the α phase and β phase.…”

Section: Introductionmentioning

confidence: 99%

Fabrication and nucleation study of β-PbO2–Co3O4 OER energy-saving electrode

Xu²,

Guo

et al. 2019

SN Appl. Sci.

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In this study, β-PbO 2-Co 3 O 4 composite coatings were synthesized on a substrate using the electrodeposition method in an electrolyte containing Pb 2+ and Co 3 O 4 particles. The preparation process study shows that the β-PbO 2 bath containing Co 3 O 4 particles becomes more stable for an ultrasonic dispersion time within 30 min, with the stability beginning to decrease after the ultrasonic time exceeds 30 min. Co 3 O 4 particles in the β-PbO 2 bath are positively charged, with anions being adsorbed onto the particles. The nucleation behavior study shows that the electric field force plays a dominant role in the adsorption process for the Co 3 O 4 particles. The nucleation and growth of β-PbO 2 on the Co 3 O 4 particles started for the particles closer to the substrate. In addition, the thickness of the β-PbO 2 layer on the Co 3 O 4 particles was inversely proportional to the distance between the Co 3 O 4 particles and the substrate. Compared to the pure PbO 2 electrode, the oxygen evolution overpotentials for the β-PbO 2-Co 3 O 4 electrode are decreased significantly, which demonstrates an energy-saving effect.

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Section: Introductionmentioning

confidence: 99%

Fabrication and nucleation study of β-PbO2–Co3O4 OER energy-saving electrode

Xu²,

Guo

et al. 2019

SN Appl. Sci.

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“…In contrast to electrochemical oxidation, chemical polymerization is suitable for large-scale synthesis of PPy. Oxidizing agents such as ferric chloride, , quinones, , persulfates, and lead dioxide are added to a solution of pyrrole to generate doped PPy, where doping takes place in situ using the counteranion. Usually, chemically prepared PPys exhibit lower electrical conductivities compared to PPys made electrochemically; however, various surfactants have been used as additives to improve the conductivity. − …”

Section: Oligopyrrole and Polypyrrolementioning

confidence: 99%

Pyrrole-Containing Semiconducting Materials: Synthesis and Applications in Organic Photovoltaics and Organic Field-Effect Transistors

Bulumulla

Gunawardhana

Gamage

et al. 2020

ACS Appl. Mater. Interfaces

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Organic semiconducting materials derived from πelectron-rich pyrroles have garnered attention in recent years for the development of organic semiconductors. Although pyrrole is the most electron-rich five-membered heteroaromatic ring, it has found few applications in organic photovoltaics and organic field-effect transistors due to synthetic challenges and instability. However, computational modeling assisted screening processes have indicated that relatively stable materials containing pyrrolic units can be synthesized without compromising their inherent electron-donating properties. In this work, we provide a complete, up-to-date review of pyrrole-containing semiconducting materials used for organic photovoltaics and organic field-effect transistors and highlight recent advances in the synthesis of these materials.

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“…However, there are still some deciencies of short service life and lower dispersion uniformity. 19 Co 3 O 4 particle as a metal oxide catalytic agent has extensive applications for catalyst to electrode. 20 It is widely used in the elds of super capacitor, ceramic and catalyst, and has shown excellent electrochemical properties such as electrocatalytic capacity, electrocatalytic activity of oxygen evolution.…”

Section: Introductionmentioning

confidence: 99%

Study on the properties of Pb–Co₃O₄–PbO₂ composite inert anodes prepared by vacuum hot pressing technique

Zhang

Ren-ping

et al. 2017

RSC Adv.

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Effect of additives on the anodic codeposition of lead dioxide and polypyrrole

Cited by 12 publications

References 24 publications

Fabrication and nucleation study of β-PbO2–Co3O4 OER energy-saving electrode

Fabrication and nucleation study of β-PbO2–Co3O4 OER energy-saving electrode

Pyrrole-Containing Semiconducting Materials: Synthesis and Applications in Organic Photovoltaics and Organic Field-Effect Transistors

Study on the properties of Pb–Co₃O₄–PbO₂ composite inert anodes prepared by vacuum hot pressing technique

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Effect of additives on the anodic codeposition of lead dioxide and polypyrrole

Cited by 12 publications

References 24 publications

Fabrication and nucleation study of β-PbO2–Co3O4 OER energy-saving electrode

Fabrication and nucleation study of β-PbO2–Co3O4 OER energy-saving electrode

Pyrrole-Containing Semiconducting Materials: Synthesis and Applications in Organic Photovoltaics and Organic Field-Effect Transistors

Study on the properties of Pb–Co3O4–PbO2 composite inert anodes prepared by vacuum hot pressing technique

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Product

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Study on the properties of Pb–Co₃O₄–PbO₂ composite inert anodes prepared by vacuum hot pressing technique