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Why are lithium and cobalt important for electric vehicles?

easy📝 Conceptual Q11 of 15
EV Technology - EV Industry and Policy
Why are lithium and cobalt important for electric vehicles?
AThey are key metals used in electric vehicle batteries.
BThey are used to build the car's frame.
CThey power the electric motor directly.
DThey are used as fuel in electric vehicles.
Step-by-Step Solution
Solution:
  1. Step 1: Understand the role of lithium and cobalt

    Lithium and cobalt are metals essential for making batteries, which store energy in electric vehicles.
  2. Step 2: Identify their specific use

    They are not used for the car frame, motor, or as fuel, but specifically in battery cells.
  3. Final Answer:

    They are key metals used in electric vehicle batteries. -> Option A
  4. Quick Check:

    Battery metals = Lithium and cobalt [OK]
Quick Trick: Remember: lithium and cobalt are battery metals [OK]
Common Mistakes:
  • Thinking lithium powers the motor directly
  • Confusing metals with fuel
  • Assuming metals build the car frame

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