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Why do solid-state batteries generally have a longer lifespan compared to traditional lithium-ion batteries?

hard📝 Conceptual Q10 of 15
EV Technology - Future Battery Technologies
Why do solid-state batteries generally have a longer lifespan compared to traditional lithium-ion batteries?
ABecause they operate at lower voltages only
BBecause they use liquid electrolytes that self-repair
CBecause solid electrolytes reduce chemical breakdown
DBecause they are heavier and more durable
Step-by-Step Solution
Solution:
  1. Step 1: Understand causes of battery degradation

    Traditional batteries degrade due to chemical reactions in liquid electrolytes.
  2. Step 2: Explain how solid electrolytes affect lifespan

    Solid electrolytes are more stable and reduce chemical breakdown, extending lifespan.
  3. Final Answer:

    Because solid electrolytes reduce chemical breakdown -> Option C
  4. Quick Check:

    Lifespan reason = Reduced chemical breakdown [OK]
Quick Trick: Solid electrolytes slow chemical wear, lasting longer [OK]
Common Mistakes:
  • Thinking liquid electrolytes self-repair
  • Assuming voltage alone affects lifespan
  • Confusing weight with durability

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