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Zinc-Air Battery Components Quiz
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Zinc-Air Battery Components Quiz

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Questions and Answers

What is the cathode of the battery composed of?

  • Polypropylene membrane soaked in electrolyte
  • 30% KOH
  • Zinc granules with gelling agent and a small amount of electrolyte
  • Carbon blended with MnO2 and a wet proofing agent coated on nickel wire mesh support and an outer layer of air permeable Teflon layer (correct)
  • What is the disadvantage related to CO2 in the battery?

  • CO2 may cause the battery to overheat
  • CO2 may enter the battery and react with KOH to reduce efficiency (correct)
  • CO2 may cause the battery to expand and rupture
  • CO2 may lead to corrosion of the battery components
  • Why can't aqueous electrolytes be used in lithium batteries?

  • Because aqueous solutions decrease the energy density of lithium batteries
  • Because lithium does not conduct electricity in aqueous solutions
  • Because aqueous solutions cause corrosion of lithium electrodes
  • Because lithium is very reactive and reacts vigorously with water (correct)
  • What is the advantage of the battery's high energy density?

    <p>Air is taken directly from the atmosphere and need not be stored</p> Signup and view all the answers

    What is the popular anodic material used in the battery?

    <p>Lithium</p> Signup and view all the answers

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