| Silver-oxide Battery |
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Information AboutSilver-oxide Battery |
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A Silver Oxide battery is a small-sized primary battery using Zinc as the negative electrode ( Anode ), silver oxide as the positive electrode ( Cathode ) plus an alkaline electrolyte, usually Sodium (NaOH) or Potasium Hydroxide (KOH). The chemical reaction that takes place inside the battery is the following: Zinc is the activator in the negative Electrode and corrodes in Alkaline solution. When this happens, it becomes difficult to maintain the capacity of the unused battery. The zinc corrosion causes Electrolysis in the Electrolyte , resulting in the production of Hydrogen gas, a rise of inner pressure and expansion of the cell. Mercury has been used in the past to suppress the corrosion, despite its harmful effects on The Environment . Compared to other batteries, a silver-oxide battery has a higher closed circuit voltage than a Mercury Battery , and a flatter Discharge Curve than a standard Alkaline Battery . |
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