Podcast
Questions and Answers
At the ______, 2NiOOH + 2H2O +2e-1 → 2Ni(OH)2 + 2OH-1
At the ______, 2NiOOH + 2H2O +2e-1 → 2Ni(OH)2 + 2OH-1
cathode
At the ______, MH2 + 2OH-1 → M + 2H2O + 2e-1
At the ______, MH2 + 2OH-1 → M + 2H2O + 2e-1
anode
Aqueous electrolytes cannot be used in Li-batteries because of high reactivity of Li with ______
Aqueous electrolytes cannot be used in Li-batteries because of high reactivity of Li with ______
H2O
During discharge, the net reaction is MH2 + 2NiOOH → 2Ni(OH)2 + 2______-1
During discharge, the net reaction is MH2 + 2NiOOH → 2Ni(OH)2 + 2______-1
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During recharge, the net reaction is M + 2Ni(OH)2 → MH2 + 2NiOOH
During recharge, the net reaction is M + 2Ni(OH)2 → MH2 + 2NiOOH
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The open circuit potential of the cell ranges from ______ to 1.35 V
The open circuit potential of the cell ranges from ______ to 1.35 V
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The cathode or cathodic active material (Mc n+) is ______ during electrochemical reaction which accepts electron from the external circuit.
The cathode or cathodic active material (Mc n+) is ______ during electrochemical reaction which accepts electron from the external circuit.
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To become effective cathode / cathodic material it should have good ______ as an oxidizing agent.
To become effective cathode / cathodic material it should have good ______ as an oxidizing agent.
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Electrolyte provides medium for transfer of ______ inside the battery between anode and cathode.
Electrolyte provides medium for transfer of ______ inside the battery between anode and cathode.
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The separator ______ anodes and cathodes in a battery to prevent internal short circuiting.
The separator ______ anodes and cathodes in a battery to prevent internal short circuiting.
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During the discharge, the ______ of a battery undergoes oxidation reaction and the electrons produce flow from anode to the cathode through external circuit.
During the discharge, the ______ of a battery undergoes oxidation reaction and the electrons produce flow from anode to the cathode through external circuit.
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Some batteries may use ______ electrolytes, which are ionic conductors used must have good ionic conductivity.
Some batteries may use ______ electrolytes, which are ionic conductors used must have good ionic conductivity.
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At the ______, electrons are accepted and the material gets reduced.
At the ______, electrons are accepted and the material gets reduced.
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During discharge, oxidation reaction takes place at the ______.
During discharge, oxidation reaction takes place at the ______.
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At the ______, reduction takes place by gain of electrons.
At the ______, reduction takes place by gain of electrons.
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During recharge, oxidation occurs at the ______ electrode.
During recharge, oxidation occurs at the ______ electrode.
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The anodic and cathodic discharge reactions can be represented as follows at ______ and ______ respectively.
The anodic and cathodic discharge reactions can be represented as follows at ______ and ______ respectively.
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During recharge, reduction occurs at the ______ electrode.
During recharge, reduction occurs at the ______ electrode.
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