Electrodeposition of Zn and Zn–Mn alloy coatings from an electrolytic bath prepared by recovery of exhausted zinc–carbon batteries

Silva, Paulo Sérgio da; Schmitz, Edinéia P. Sartori; Spinelli, Almir; Garcia, Jarem Raul

doi:10.1016/j.jpowsour.2012.03.021

Cited by 21 publications

(14 citation statements)

References 20 publications

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“…1b-d, which shows that the coating morphology consists of hexagonal platelet morphology varied from mainly granular shape to least pyramidal shapes. Similar morphology of electrodeposited Mn-Zn alloys was also reported by other researchers [13,25,26]. Structural properties of both types of coatings are shown in Fig.…”

Section: Resultssupporting

confidence: 87%

Fabrication and characterization of electrodeposited and magnetron-sputtered thin films

Khan¹,

Pashaei²,

Bajwa³

et al. 2015

Int. J. CMEM

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The MnO-Zn thin films were fabricated by radio frequency (RF) magnetron sputtering and compared with pulse electrodeposition (PED) Zn thin films, doped with MnO and ZrO nanoparticles. Surface morphology, structural properties, chemical composition and corrosion resistance of these coatings were investigated by using scanning electron microscopy, X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy, 3-D scanning interferometry and environmental chamber. Surface morphology and degree of crystallinity have different behaviours for different deposition methods. Pulse-coated films have polycrystalline structure with high surface roughness (R a ), whereas sputtered films are monocrystalline with reduced roughness (R a ). Corrosion tests of both RF sputter and PED films revealed that the distribution of corrosion products formed on the surface of sputter films were not severe in extent as in case of electrodeposited coatings. Results showed that the doping of ZrO nano-sized particles in Zn matrix and Mn-Zn composite films significantly improved the corrosion resistance of PED thin films. High electron mobility [7] and room temperature electrical conductivity of ZnO thin films make it perfect material for electronics equipment. Additional advantages of ZnO thin films and micro-nanostructure are abundance and non-toxicity of the ZnO material, low cast and quantum size effect. Depending on the application, tuning properties and band gap of ZnO is possible by doping another material such as: aluminum (Al), gallium (Ga), magnesium (Mg) and manganese (Mn).Also, there are advanced techniques of growing ZnO thin films and manufacturing such as metal organic chemical vapor deposition [8], radio frequency (RF) magnetron sputtering [9], sol-gel method and pulsed laser deposition [10]. Properties of ZnO thin films are investigated by using molecular beam epitaxy [11].Zinc plating is extensively used in corrosion protection of steel in many structural and general engineering applications. Zn coating on steel substrate provides with physical and mechanical properties as well as good corrosion resistance [12]. However, a high dissolution rate and low corrosion resistance limit the use of Zn coatings. In recent research and development activity on zinc-based alloy coatings, there is a growing interest in the use of Zn with various alloying elements like Mn and Zr. These elements (Mn and Zr) have an electrically, more negative potential (E°M n

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Section: Resultssupporting

confidence: 87%

Fabrication and characterization of electrodeposited and magnetron-sputtered thin films

Khan¹,

Pashaei²,

Bajwa³

et al. 2015

Int. J. CMEM

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show abstract

“…The results reported by our group [28] and by the group of the Portalegre Polytechnical Institute -Portugal [29] demonstrate that it is possible to obtain galvanic coatings in a bath prepared from zinc and manganese recovered from exhausted zinc-carbon batteries. Additionally these showed that the production of a protective Zn-Mn layer over steel related to the substitution of the primary painting process on metallic parts produced in foundries is possible to be developed as practical application.…”

Section: Discussionmentioning

confidence: 70%

“…Another alternative method developed for Zn-Mn batteries recycling is the electrodeposition of Zn and Zn-Mn alloy coatings over different kinds of steel to corrosion protection [28,29]. Electrodeposited coatings of zinc are extensively employed in the protection of steel against corrosion.…”

Section: Features Of Zn-mno 2 Batteriesmentioning

confidence: 99%

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Electrodeposition of Alloys Coatings from Electrolytic Baths Prepared by Recovery of Exhausted Batteries for Corrosion Protection

Silva¹,

Maciel²,

Wohnrath³

et al. 2013

Modern Surface Engineering Treatments

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“…The carbon rod is surrounded by a paste formed by mixing solid MnO 2 with an aqueous solution of NH 4 Cl [3e5]. 26% NH 4 Cl solution is widely used for zincecarbon battery.…”

Section: Introductionmentioning

confidence: 99%

Hydroxyethyl cellulose as efficient organic inhibitor of zinc–carbon battery corrosion in ammonium chloride solution: Electrochemical and surface morphology studies

Deyab

2015

Journal of Power Sources

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Electrodeposition of Zn and Zn–Mn alloy coatings from an electrolytic bath prepared by recovery of exhausted zinc–carbon batteries

Cited by 21 publications

References 20 publications

Fabrication and characterization of electrodeposited and magnetron-sputtered thin films

Fabrication and characterization of electrodeposited and magnetron-sputtered thin films

Electrodeposition of Alloys Coatings from Electrolytic Baths Prepared by Recovery of Exhausted Batteries for Corrosion Protection

Hydroxyethyl cellulose as efficient organic inhibitor of zinc–carbon battery corrosion in ammonium chloride solution: Electrochemical and surface morphology studies

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