Supporting information for Nanotechnology enabled rechargeable Li−SO 2 battery: Another approach towards post lithium-ion battery system Goojin Jeong a , Hansu Kim b,* , Jong Hwan Park a , Jaehwan Jeon a,b , Xing Jin c , Juhye Song b , Bo-Ram Kim b , Min-Sik Park a , Ji Man Kim c,* , Young-Jun Kim a,* a Advanced Batteries Research Center, Korea Electronics Technology Institute, Seongnam, 463-816, Republic of Korea b Department of Energy Engineering, Hanyang University, Seoul, 133-791, Republic of Korea c Department of Chemistry, Sungkyunkwan University, Suwon, 440-746, Republic of Korea
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Nanotechnology enabled rechargeable Li−SO battery: Another ...fml.skku.edu/Paper/2015/EES_2015_8_3173-3189_S.pdfSupporting information for Nanotechnology enabled rechargeable Li−SO2
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Supplementary Table S1. Estimation of theoretical energy density of Li–SO2
system
Assuming 3Li + LiAlCl4⋅3SO2 ↔ 3LiCl + LiAlCl(SO2)3 , according to the literature
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Discharge Capacity Specific Energy
Density
(mAh/g) (Wh/kg)
Based on the mass of [catholyte] 219 689
Based on the mass of [discharge products] 207 651
Based on the mass of [discharge products +
carbon] 171 540
1) Capacity based on the mass of carbon cathode: 1000 mAh/g 2) Corresponding carbon mass for the reaction of 1g-catholyte: 0.219 g 3) Operational voltage: 3.15 V