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A researcher wants to combine lithium-sulfur battery technology with solid-state electrolytes. What is a key benefit of this combination?

hard📝 Application Q9 of 15
EV Technology - Future Battery Technologies
A researcher wants to combine lithium-sulfur battery technology with solid-state electrolytes. What is a key benefit of this combination?
ALower energy density due to solid electrolyte weight
BIncreased sulfur loss during cycling
CFaster capacity fade from solid electrolyte reactions
DImproved safety by reducing flammable liquids
Step-by-Step Solution
Solution:
  1. Step 1: Understand solid-state electrolyte advantages

    Solid electrolytes reduce flammable liquid use, improving safety.
  2. Step 2: Assess other options

    Lower energy density and faster capacity fade are not typical benefits; sulfur loss is not increased by solid electrolytes.
  3. Final Answer:

    Improved safety by reducing flammable liquids -> Option D
  4. Quick Check:

    Solid electrolyte = safer battery [OK]
Quick Trick: Solid electrolytes improve battery safety [OK]
Common Mistakes:
  • Assuming solid electrolytes reduce energy density
  • Believing solid electrolytes increase sulfur loss
  • Confusing safety benefits

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