Electrochemistry of the nickel oxide electrode

摘要: Summary Anodically-formed, thin film oxide layers at nickel in alkaline solutions have been studied relation to the behaviour of bulk examined previous work. The necessity for both chemical and electrochemical characterization is stressed. Analytical methods are developed reductive stripping which allow determination content as cyanide or hydrazine/ammonia complex. Stoichiometries reported a function time potential prior polarization. Self-discharge effects important allowance must be made loss charge galvanostatic reduction transients. In latter, reduced II-valent state. apparent extent oxidation films, determined chemically electrochemically, passes through maximum ca. 0.9 V EHg/HgO, this believed connected with change layer more passive condition. curve can also correlated self-passivation effect course oxygen evolution reaction nickel.