Conducting polymer coatings in electrochemical technology Part 2 – Application areas

Abstract

Conducting polymers can combine the electronic characteristics of metals with the engineering properties of polymers. Polypyrrole (PPy), polythiophene (PTh) and polyaniline (PAni) are common examples of conducting polymers which can be electrodeposited from their respective heterocyclic monomers. The applications of these and other electrodeposited polymer materials are considered in this review. Application areas include electronic and optical materials, sensors, bioimplants, actuators and corrosion protection together with electrical energy storage. Specialised coatings include composite and multilayer deposits consisting of a conducting polymer coating and a second phase of metal or ceramic.

Electrocatalytic Water Oxidation: An Overview With an Example of Translation From Lab to Market

“…Electrochemical cell components are prime candidates for 3D printers, either from polymer materials for it to be electrically insulating or stainless steel for functioning as a current collector. Diversity of materials including conducting polymers such as polypyrroles, polythiophenes ( Campbell et al, 2007 ; de León et al, 2008 ), boron-doped diamond ceramics, and electrically conductive suboxides of titanium and Ebonex ( Walsh and Wills, 2010 ) are used for electrode materials. Mature coating techniques were developed, such as plasma and vapor deposition, anodized, and electrodeposited finishes ( Walsh et al, 2015 ).…”

Graphene and Graphene/Polymer Composites as the Most Efficient Protective Coatings for Steel, Aluminum and Copper in Corrosive Media: A Review of Recent Studies

“…Although there are some positive examples of suppressing the corrosion processes on metals using conductive polymer coatings, a comprehensive description of the electrochemical mechanisms resulting in the reduced corrosion rate of metals is still missing . It is well‐known that PPy films can be electrodeposited from aqueous solutions while the electrodeposition of PANI layers is carried out from organic electrolytes.…”

“…Some graphene/polymer composite coatings prepared by polymers including polycarbonate, thermoplastic polyurethane, poly(ethylene‐2,6‐ naphthalate), etc., can exhibit a lower electrical percolation threshold in comparison with the critical graphene loading amounts for optimal barrier properties, resulting in not only significant conductivity but also superior barrier performance . Also, Conducting polymers including polypyrrole (PPy), polyaniline (PA) and Poly (3,4‐ethylenedioxythiophene) (PEDOT) have been extensively utilized as anticorrosive coatings for a variety of metal substrates, e. g. steel, aluminum, magnesium and copper . Conducting polymer coatings have demonstrated the capability of enhancing the corrosion inhibition property of metals due to their easy processability, superb environment stability as well as intriguing redox properties .…”

Electrosynthesis and catalytic activity of PbO2‐fluorinated surfactant composites

“…The addition of polyelectrolytes (long-chain polymers with charged functional groups) into the electrolyte deposition leads to significant changes in the electrodeposition regularities, the physicochemical properties of oxides and the electrocatalytic activity of the obtained electrode materials. 9,10 As was shown in a number of our previous works, the presence of fluorine (F) ions 11 and the Nafion® polyelectrolyte 12,13 in the deposition electrolyte affects the properties of the obtained PbO 2 , in particular, changing its morphology, texture and electrocatalytic activity in oxygen transfer reactions. From this point of view, investigation of the influence of potassium salt of nonafluorobutanesulfonic acid (C 4 F 9 SO 3 K) on the properties of synthesized PbO 2 is of significant interest, because C 4 F 9 SO 3 K is an intermediate surfactant between small fluoride ion and the large polyelectrolyte Nafion ® .…”