5.4.5 Lithium Cells Flashcards

1
Q

How do lithium cells work?

A
  • Positive lithium-cobalt electrode
  • Negative carbon electrode
  • Porous polymer membrane electrolyte (not liquid)
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2
Q

Disadvantages with lithium cells?

A
  • Shortage of lithium globally, unsustainable
  • Demand exceeds supply
  • Lithium dumped in landfills means its lost for future generations
  • Lithium can cause fires
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3
Q

Advantages with lithium cells?

A
  • Electrolyte isn’t, so disposal isn’t as harmful
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4
Q

What half equation reaction occurs at positive electrode?

A

Li+ + CoO2 + e– → Li+[CoO2]–

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5
Q

What half equation reaction occurs at negative electrode?

A

Li → Li+ + e-

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