Advanced Energy Systems (AS)

Supercapacitors are preferred more than battery because:

• More charging, more discharging cycles

• Less charging, less discharging cycles

• Less charging, more discharging cycles

• Less charging, less discharging cycles

Which of the following has the maximum Power Density?

• Batteries

• Fuel cells

• Capacitors

• Supercapacitors

Identify A in the diagram

• Polarized Solvent molecules

• Solvated Cations

• Specifically adsorbed ions

• Inner Helmholtz plane

What combines ultracapacitor cells with regular Li-ion cells to form a hybrid battery?

• Fuel cells

• Supercapacitor

• Superbattery

• EDLC

Which material is utilized to create the ultracapacitors which sets the superbattery apart from comparable devices?

• LiMnO2

• Curved Graphene

• C11

• Fullerene

The hydrogen oxygen fuel cell is categorised under:

• Alkaline Fuel cells

• Acidic Fuel cells

• Molten Carbonate Fuel cells

• Polymer electrolyte membrane fuel cells

Hydrogen oxygen fuel cell is made of (It is multi correct):

• 2 inert porous carbon plates

• carbon anode and Lithiated metal oxide cathode

• 25% solution of NaOH or KOH

• 50% solution of NaOH

Which electrolyte is used in Direct Methanol Oxygen Fuel Cell?

• HCl

• HNO3

• H2CO3

• H2SO4

Which gas blocks the porosities in DMFC, which decreases the efficiency of the cell?

• O2

• H2

• CO2

• N2

For Quantum dot sensitized solar cells, Anode is made of ________ and is coated with _______.

• Indium Tin Oxide,

  TiO2

• TiO2,

  Indium Tin Oxide

• Indium Tin Oxide,

  I3

• Indium Tin Oxide,

  In2O3