Consider xLi TiS 2 Li x TiS 2 From 0 x 1, a Li intercalation reaction LiTiS 2 3Li 2Li 2 S Ti From 1 x 3, a conversion reaction i) The theoretical capacity of the TiS 2 conversion reaction is stated to be around 960 mAh g Verify this number and explain how it was determined ii) Determine the energy of the Li TiS 2 cell utilizing the intercalation mechanism (from the voltage range of between 3 0 and 1 4 V vs Li Li iii) Now, consider the Li LiTiS 2 cell utilizing the conversion mechanism, which has a lower cell voltage (from 0 5 to 0 05 V vs Li Li ) but can deliver a higher capacity Estimate the energy of the cell using the conversion mechanism

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Question: Consider: xLi + TiS 2 Li x TiS 2 From 0 < x 1, a Li intercalation reaction LiTiS 2 + 3Li 2Li 2 S

Consider:

xLi + TiS₂ Li_xTiS₂ From 0 < x 1, a Li intercalation reaction

LiTiS₂ + 3Li 2Li₂S + Ti From 1 < x 3, a conversion reaction

i) The theoretical capacity of the TiS₂ conversion reaction is stated to be around 960 mAh/g. Verify this number and explain how it was determined.

ii) Determine the energy of the Li/TiS₂ cell utilizing the intercalation mechanism (from the voltage range of between 3.0 and 1.4 V vs. Li/Li⁺

iii) Now, consider the Li/LiTiS₂ cell utilizing the conversion mechanism, which has a lower cell voltage (from 0.5 to 0.05 V vs. Li/Li⁺ ) but can deliver a higher capacity. Estimate the energy of the cell using the conversion mechanism.

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