Podcast
Questions and Answers
What is the main advantage of lithium air batteries?
What is the main advantage of lithium air batteries?
- High theoretical specific energy of lithium (correct)
- High conductivity of the electrolyte
- Low weight of lithium
- High specific energy of oxygen
How is the lithium electrode protected in lithium air batteries?
How is the lithium electrode protected in lithium air batteries?
- By a porous membrane
- By a layer of lithium hydroxide
- By a layer of lithium oxide
- By a solid electrolyte interphase (SEI) (correct)
What are the proposed main discharge products in non-aqueous lithium air batteries?
What are the proposed main discharge products in non-aqueous lithium air batteries?
- Li2CO3 and LiOH
- LiOH and H2O
- Li2CO3 and Li2O
- Li2O2 and Li2O (correct)
Why does the oxygen electrode need to be porous in lithium air batteries?
Why does the oxygen electrode need to be porous in lithium air batteries?
In the case of aqueous lithium–oxygen batteries, what are the theoretical specific energies like compared to non-aqueous lithium air batteries?
In the case of aqueous lithium–oxygen batteries, what are the theoretical specific energies like compared to non-aqueous lithium air batteries?
What happens when sunlight is incident on silicon solar cells?
What happens when sunlight is incident on silicon solar cells?
What is the main reason for low efficiencies in two-component organic photovoltaics (OPV) initially?
What is the main reason for low efficiencies in two-component organic photovoltaics (OPV) initially?
What is the role of the acceptor in organic photovoltaics (OPV)?
What is the role of the acceptor in organic photovoltaics (OPV)?
What is the approximate distance excitons can diffuse in organic photovoltaics (OPV)?
What is the approximate distance excitons can diffuse in organic photovoltaics (OPV)?
What happens when electron hole pair diffuses towards the n-type layer in silicon solar cells?
What happens when electron hole pair diffuses towards the n-type layer in silicon solar cells?
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