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What is the main ion used in sodium-ion batteries to store and release energy?

easy📝 Conceptual Q11 of 15
EV Technology - Future Battery Technologies
What is the main ion used in sodium-ion batteries to store and release energy?
ALithium ions
BPotassium ions
CCalcium ions
DSodium ions
Step-by-Step Solution
Solution:
  1. Step 1: Understand the battery type

    Sodium-ion batteries use sodium ions as the charge carriers.
  2. Step 2: Compare with other ions

    Lithium ions are used in lithium-ion batteries, not sodium-ion batteries.
  3. Final Answer:

    Sodium ions -> Option D
  4. Quick Check:

    Main ion in sodium-ion batteries = Sodium ions [OK]
Quick Trick: Remember sodium-ion batteries use sodium, not lithium [OK]
Common Mistakes:
  • Confusing sodium ions with lithium ions
  • Thinking potassium ions are used
  • Assuming calcium ions are involved

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