Lithium Batteries and Fuel Cells Quiz

What is the technical term for the process of lithium being stored between layers of carbon graphite?

• Electronegativity

• Intercalation

• Electrolyte

• Galvanic cell

What is the purpose of the electrolyte in a lithium-ion battery?

• Store cobalt atoms

• Collect electrons

• Allow lithium-ions to migrate

• Neutralize charge build up

Which of the following statements best describes the charging process in a lithium-ion battery?

• Lithium ions move from the anode to the cathode during charging

• Lithium ions move from the cathode to the anode during charging

• Electrons move from the anode to the cathode during charging

• Electrons move from the cathode to the anode during charging

What is the role of the conductive copper layer in a lithium-ion battery?

• Collect and distribute electrons

• Store lithium ions

• Neutralize charge build up

• Allow lithium-ions to migrate

Why is it recommended to recharge a Li-ion battery at 30 or 40% rather than letting it run until it's dead?

• Increase lithium capacity

• Enhance electron flow

• Prevent overcharging

• Avoid irreversible generation of compounds

What is the purpose of the non-conductive semipermeable separator in a Li-ion battery?

• Neutralize charge build up

• Store lithium ions

• Collect electrons

• Prevent anode and cathode from touching

Which of the following statements about lithium polymer (Li-Po) batteries is true?

• They are less flexible than lithium-ion batteries

• They have a lower risk of leakage due to their solid electrolyte

• They are more prone to overheating

• They have a longer charging time compared to lithium-ion batteries

What is the primary advantage of using hydrogen as a fuel in fuel cells?

• Abundant availability

• Low flammability

• High energy density

• Minimal environmental impact

What is the byproduct of the chemical reaction in a hydrogen fuel cell?

• Water

• Carbon dioxide

• Oxygen

• Nitrogen

What is the function of the anode in a fuel cell?

• To release electrons

• To facilitate the reaction with oxygen

• To provide a pathway for ions to move

• To separate hydrogen from the electrolyte