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What is the main advantage of lithium-sulfur batteries compared to traditional lithium-ion batteries?

easy📝 Conceptual Q11 of 15
EV Technology - Future Battery Technologies
What is the main advantage of lithium-sulfur batteries compared to traditional lithium-ion batteries?
AThey have a longer lifespan without degradation
BThey are cheaper to produce but heavier
CThey store more energy and are lighter in weight
DThey use only sulfur as the active material
Step-by-Step Solution
Solution:
  1. Step 1: Understand energy storage materials

    Lithium-sulfur batteries use lithium and sulfur, which allow higher energy density than lithium-ion batteries.
  2. Step 2: Compare weight and energy

    Because sulfur is lighter and stores more energy, these batteries are lighter and hold more charge.
  3. Final Answer:

    They store more energy and are lighter in weight -> Option C
  4. Quick Check:

    Higher energy + lighter weight = Advantage [OK]
Quick Trick: Focus on energy density and weight difference [OK]
Common Mistakes:
  • Confusing lifespan with energy capacity
  • Thinking sulfur is the only material used
  • Assuming they are heavier than lithium-ion

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