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)
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
3
Q
Advantages with lithium cells?
A
- Electrolyte isn’t, so disposal isn’t as harmful
4
Q
What half equation reaction occurs at positive electrode?
A
Li+ + CoO2 + e– → Li+[CoO2]–
5
Q
What half equation reaction occurs at negative electrode?
A
Li → Li+ + e-