Electrochemical Reactions

At the ______, 2NiOOH + 2H2O +2e-1 → 2Ni(OH)2 + 2OH-1

At the ______, MH2 + 2OH-1 → M + 2H2O + 2e-1

Aqueous electrolytes cannot be used in Li-batteries because of high reactivity of Li with ______

During discharge, the net reaction is MH2 + 2NiOOH → 2Ni(OH)2 + 2______-1

During recharge, the net reaction is M + 2Ni(OH)2 → MH2 + 2NiOOH

The open circuit potential of the cell ranges from ______ to 1.35 V

The cathode or cathodic active material (Mc n+) is ______ during electrochemical reaction which accepts electron from the external circuit.

To become effective cathode / cathodic material it should have good ______ as an oxidizing agent.

Electrolyte provides medium for transfer of ______ inside the battery between anode and cathode.

The separator ______ anodes and cathodes in a battery to prevent internal short circuiting.

During the discharge, the ______ of a battery undergoes oxidation reaction and the electrons produce flow from anode to the cathode through external circuit.

Some batteries may use ______ electrolytes, which are ionic conductors used must have good ionic conductivity.

At the ______, electrons are accepted and the material gets reduced.

During discharge, oxidation reaction takes place at the ______.

At the ______, reduction takes place by gain of electrons.

During recharge, oxidation occurs at the ______ electrode.

The anodic and cathodic discharge reactions can be represented as follows at ______ and ______ respectively.

During recharge, reduction occurs at the ______ electrode.