Quiz on Energy Storage Technologies in Renewable Energy

Why is energy storage important in renewable energy systems?

• It increases energy production.

• It stores excess energy for later use.

• It reduces energy costs.

• It eliminates the need for fossil fuels.

Which of the following is NOT a type of energy storage technology?

• Nuclear

• Thermal

• Electrochemical

• Mechanical

What is a common type of electrochemical storage?

• Pumped hydro

• Lithium-Ion

• Flywheel

• Compressed air

Which battery type has the highest energy density?

• Flow Batteries

• Nickel-Cadmium

• Lithium-Ion

• Lead-Acid

What is the typical cycle life of Lithium-Ion batteries?

• 1,000–2,000 cycles

• 10,000+ cycles

• 2,000–10,000 cycles

• 500–1,000 cycles

What does the Battery Management System (BMS) do?

• Stores electrical energy

• Converts AC to DC

• Monitors and controls battery performance

• Charges the battery

What is a significant challenge of battery energy storage systems?

• Low energy density

• No environmental impact

• High initial costs

• Unlimited lifespan

Which of the following is a limitation of energy storage systems?

• High safety

• High efficiency

• Low maintenance

• Limited lifespan and degradation

What is the round-trip efficiency for batteries?

• 90–100%

• 30–40%

• 50–60%

• 80–90%

What is the main environmental concern regarding battery production?

• High energy consumption

• Extraction of materials like lithium

• Excessive waste generation

• Low recycling rates