A lithium battery, uses lithium metal as one electrode and carbon in contact with MnO₂ in a paste of KOH as the other electrode. The electrolyte is lithium perchlorate in a nonaqueous solvent, and the construction is similar to the silver battery. The half-cell reactions involve the oxidation of lithium and the reaction

Draw a cell diagram for the lithium battery, identify the negative and positive electrodes, and estimate the cell potential under standard conditions.

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MnO₂ (s) + 2 H₂O(1) + e Mn(OH)3(s) + OH¯(aq) Eº = -0.20 V