?In a Li-ion battery the composition of the cathode is \(\mathrm{LiCoO}_{2}\) when

Chapter 20, Problem 20.79

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In a Li-ion battery the composition of the cathode is \(\mathrm{LiCoO}_{2}\) when completely discharged. On charging, approximately 50 % of the \(\mathrm{Li}^{+}\) ions can be extracted from the cathode and transported to the graphite anode where they intercalate between the layers.

(a) What is the composition of the cathode when the battery is fully charged?

(b) If the \(\mathrm{LiCoO}_{2}\) cathode has a mass of 10 g (when fully discharged), how many coulombs of electricity can be delivered on completely discharging a fully charged battery?

Text Transcription:

LiCoO2

Li +

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