Ni–Fe Cathode Catalyst in Zero-Gap Alkaline Water Electrolysis
Ni–Fe cathode catalyst for zero-gap alkaline water electrolysis was studied. Ni–Fe coatings on nickel foam were prepared by direct current (DC) and pulse current (PC) electrodeposition. The influence of different plating conditions and composition of the electrolyte on the morphology of the samples...
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| Veröffentlicht in: | Electrocatalysis 2022-07, Vol.13 (4), p.447-456 |
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| container_title | Electrocatalysis |
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| creator | Záchenská, Jana Jorík, Vladimír Vančo, Ľubomír Mičušík, Matej Zemanová, Matilda |
| description | Ni–Fe cathode catalyst for zero-gap alkaline water electrolysis was studied. Ni–Fe coatings on nickel foam were prepared by direct current (DC) and pulse current (PC) electrodeposition. The influence of different plating conditions and composition of the electrolyte on the morphology of the samples was studied. It was found that under DC electrodeposition, iron is dominant in the coating. Under PC plating conditions, Ni is the dominant element in Ni–Fe coatings. Ni–Fe coatings prepared under DC electrodeposition provide an effective catalyst in zero-gap electrolysis. Increasing Fe content in the coatings improves the catalytic activity of Ni–Fe catalyst. The study of convenient parameters of PC electrodeposition seems to be complex to reach a highly active surface area.
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| doi_str_mv | 10.1007/s12678-022-00734-6 |
| format | Article |
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| subjects | Catalysis Catalysts Catalytic activity Cathodes Chemistry Chemistry and Materials Science Coated electrodes Coatings Direct current Electrochemistry Electrodeposition Electrolysis Energy Systems Iron Metal foams Nickel Original Research Physical Chemistry Plating |
| title | Ni–Fe Cathode Catalyst in Zero-Gap Alkaline Water Electrolysis |
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