Influence of γ-phase on corrosion resistance of Zn–Ni alloy electrodeposition from acetate electrolytic bath

Effect of PTFE on characteristics, corrosion, and tribological behavior of Zn–Ni electrodeposits

“…The zinc content of the alloy film is also reduced by incorporation of PTFE particles (Ni content is almost constant), and thus lower amounts of barrier ZHC can be formed on the surface of the composite coating. Moreover, it was found that the Zn-Ni coatings which contained single γ-Ni 5 Zn 21 phase with simple cubic structure had better corrosion behavior than the other alloys [9,13,15,38,39]. The increment of Ni/Zn ratio may cause to formation of β-Zn-Ni intermediate phase alongside the γ-Ni 5 Zn 21 phase [18], which can deteriorate the corrosion behavior.…”

“…Pure Zn coatings were considered as a replacement for cadmium films [6][7][8][9], but pure Zn is a relatively active metal and its large potential difference with the substrate results in fast dissolution and a drop of efficiency. Alloying of zinc with other metals like Ni, Fe, Co, and Sn can reduce the potential difference with the substrate and increase the service life of the coating [9][10][11][12][13][14][15]. Between the various Zn alloy coatings, Zn-Ni films have gained special attention due to their superior properties [2,9,[14][15][16].…”

“…Between the various Zn alloy coatings, Zn-Ni films have gained special attention due to their superior properties [2,9,[14][15][16]. Research results revealed that Zn-Ni films with 10-14 wt.% Ni [5,9,13,[17][18][19][20] presented the best mechanical and corrosion behavior.…”

Performance of cobalt oxide/carbon cloth composite electrode in energy generation from dairy wastewater using microbial fuel cells

“…Materials, like metal oxides and activated carbon, are all used as the coating materials for electrodes to improve the performance of MFCs [11]. Many modified stainless steel anode materials have been reported, e.g., zinc-cobalt coated in mild steel [12,13], graphene oxide modified anode [14], polyaniline modified stainless steel anode [15], and polypyrrole coated anode for corrosion resistance [16] which give some limited performance than the carbon electrode materials. Stainless steel electrodes have the drawback of high internal resistance and corrosion effect.…”