2017
DOI: 10.3390/en10091312
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Ethyl Methyl Sulfone-Based Electrolytes for Lithium Ion Battery Applications

Abstract: Sulfone-based electrolytes, known for their higher oxidative stability compared to the typically used organic carbonate-based electrolytes, are considered promising electrolytes for high voltage cathode materials towards the objective of obtaining increased energy density in lithium ion batteries. Nevertheless, sulfones suffer from high viscosity as well as incompatibility with highly graphitic anode materials, which limit their application. In this paper, the effect of fluoroethylene carbonate (FEC) as an ele… Show more

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Cited by 28 publications
(14 citation statements)
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“…In situ thermally induced free-radical polymerization was used to develop a GPE (gel polymer electrolyte) with an interpenetrating polymer network (IPN-GPE) [44]. The IPN-GPE with cross-linked structure exhibited high flexibility and deformability, and a thermal stability of over 310 The effect of adding fluoroethylene carbonate (FEC) as an electrolyte additive for ethyl-methyl sulfone (EMS) electrolytes with LiPF6 as a conducting salt in graphite based batteries was studied, and it was concluded that lowering the EC led to a lower conductivity of the electrolyte, whereas increasing EC enhanced flammability [45]. Wang et al developed and studied a star-comb copolymer based on poly(D,L-lactide) (PDLLA) macromonomer and poly(ethylene glycol)methyl ether methacrylate (PEGMA) for Li-ion batteries [46].…”
Section: Gel Polymer Electrolytesmentioning
confidence: 99%
“…In situ thermally induced free-radical polymerization was used to develop a GPE (gel polymer electrolyte) with an interpenetrating polymer network (IPN-GPE) [44]. The IPN-GPE with cross-linked structure exhibited high flexibility and deformability, and a thermal stability of over 310 The effect of adding fluoroethylene carbonate (FEC) as an electrolyte additive for ethyl-methyl sulfone (EMS) electrolytes with LiPF6 as a conducting salt in graphite based batteries was studied, and it was concluded that lowering the EC led to a lower conductivity of the electrolyte, whereas increasing EC enhanced flammability [45]. Wang et al developed and studied a star-comb copolymer based on poly(D,L-lactide) (PDLLA) macromonomer and poly(ethylene glycol)methyl ether methacrylate (PEGMA) for Li-ion batteries [46].…”
Section: Gel Polymer Electrolytesmentioning
confidence: 99%
“…This is the reason that the practical application of these type high-voltage solvents is still limited. It was recently discovered that using a mixed-solvent system combined with the low-viscosity substance and the solvent with functional groups (SO) can effectively enhance the stability of electrolyte under high-voltage operating condition. , Hilbig et al found that mixing ethylene acetate (EA) into ethyl methyl sulfone (EMS) significantly increased the cycling performance of LiNi 1/3 Co 1/3 Mn 1/3 O 2 (NMC111)/graphite pouch-cell without negative effects between 3.0 and 4.3 V after 100 cycles. Björklund et al .…”
Section: Introductionmentioning
confidence: 99%
“…One way is to make electrolyte additives form a stable SEI film on the cathode, which inhibits LNMO electrode interface erosion and electrolyte decomposition, scavenging type to capture HF (Haregewoin et al, 2016; Wang et al, in press). As the strong acid produced from LiPF 6 is considered the initiator which induces the cleavage and polymerization of cyclic carbonate under high voltage conditions, many researchers are trying to add some oxidation-resistant solvents, for example, sulfones (Hilbig et al, 2017; Su et al, 2017), nitriles (Abu-Lebdeh and Davidson, 2009) and fluoro solvents (Kim et al, 2017). However, when adding the oxidation-resistant solvents there are new problems, including a decrease of conductivity, an increase of viscosity and poor compatibility.…”
Section: Introductionmentioning
confidence: 99%