Solvent-salt synergy offers a safe pathway towards next generation high voltage Li-ion batteries

Singh R. Lithium-Ion Battery Market by Material Type (Cathode, Anode, Electrolytic solution, Foils, Binders, Separators) and Industry Vertical (Smartphones, UPS, Cars, Aircraft, Busses, Trucks, Mining equipment, Smart Grid, Games, Gardening tools)—Global Opportunity Analysis and Industry Forecast, 2015–2022 EN 161380, 2016 Borodin O, Behl W, Jow TR. Oxidative stability and initial decomposition reactions of carbonate, sulfone, and alkyl phosphatebased electrolytes. J Phys Chem C, 2013, 117: 8661–8682 Wang Y, Xing L, Li W, et al. Why do sulfone-based electrolytes show stability at high voltages? Insight from density functional theory. J Phys Chem Lett, 2013, 4: 3992–3999 Xu K, Angell CA. Sulfone-based electrolytes for lithium-ion batteries. J Electrochem Soc, 2002, 149: A920 Xia J, Self J, Ma L, et al. Sulfolane-based electrolyte for high voltage Li(Ni0.42Mn0.42Co0.16)O2 (NMC442)/graphite pouch cells. J Electrochem Soc, 2015, 162: A1424–A1431 Hilbig P, Ibing L, Wagner R, et al. Ethyl methyl sulfone-based electrolytes for lithium ion battery applications. Energies, 2017, 10: 1312 Su CC, He M, Redfern PC, et al. Oxidatively stable fluorinated sulfone electrolytes for high voltage high energy lithium-ion batteries. Energy Environ Sci, 2017, 10: 900–904 Abouimrane A, Belharouak I, Amine K. Sulfone-based electrolytes for high-voltage Li-ion batteries. Electrochem Commun, 2009, 11: 1073–1076 Alvarado J, Schroeder MA, Zhang M, et al. A carbonate-free, sulfone-based electrolyte for high-voltage Li-ion batteries. Mater Today, 2018, doi: 10.1016/j.mattod.2018.02.005