Nanotechnology in Battery Electrodes
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Questions and Answers

What is the primary advantage of integrating nanotechnology in battery electrodes?

  • Increased melting point of V2O5
  • Enhanced overall efficiency and prolonged battery life (correct)
  • Reduced cost of production
  • Improved structural stability of Transition Metal Oxides

    • What is the oxidation state range of V2O5?

  • V4+ to V8+
  • V1+ to V3+
  • V3+ to V7+
  • V2+ to V5+ (correct)

    • What is the approximate band gap of Vanadium pentoxide?

  • 2.3 eV (correct)
  • 1.5 eV
  • 3.0 eV
  • 4.5 eV

    • What is the typical color of Vanadium pentoxide?

    <p>Pale or yellow</p> Signup and view all the answers

    What is the main application of V2O5 in Li-air battery setups?

    <p>Catalyst that enhances specific capacity</p> Signup and view all the answers

    What did Lu's group integrate V2O5 as in a solid-state battery?

    <p>Positive electrode</p> Signup and view all the answers

    What is the advantage of using NiO nanoparticles compared to bulk NiO particles?

    <p>Enhanced optical, electrical, magnetic, and catalytic properties</p> Signup and view all the answers

    What is the theoretical capacity of nickel oxide?

    <p>718 mA h g-1</p> Signup and view all the answers

    What is the result of minimal N-doping in carbon?

    <p>Enhanced electrical conductivity</p> Signup and view all the answers

    What is the saturation magnetization (Ms) of the Ni3V2O8-NC composite?

    <p>35.99 emu/g</p> Signup and view all the answers

    What is the reason for the superior strength of the carbon-nitrogen bond?

    <p>Accelerated charge transfer between nitrogen and carbon atoms</p> Signup and view all the answers

    What is the advantage of combining nickel and vanadium oxides into nanocomposites?

    <p>Enhanced photocatalytic activity</p> Signup and view all the answers

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