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Why is my Ni or Fe cathode blackening and pores getting blocked during alkaline (6 M KOH) electrolysis?

I assumed you are involving in industrial scale $\ce{H2}$ production. According to the Ref.1: $\ce{H2}$-evolution catalysts based on high surface area $\ce{Ni}$ electrodes in alkaline media are low-...
Mathew Mahindaratne's user avatar

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