2016
DOI: 10.1039/c5mh00228a
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Sol–gel encapsulated lithium polysulfide catholyte and its application in lithium–sulfur batteries

Abstract: Careful control of sol–gel chemistry allows for the encapsulation of water-reactive lithium polysulfides

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Cited by 19 publications
(19 citation statements)
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“…2C). A sharp peak at 339 cm −1 , which was assigned to the long-chain polysulfide species S 6 2− (25,26), appeared at SOC = 25% but disappeared after SOC = 75%. Meanwhile, a small peak at 234 cm −1 , which was attributed to the bending mode of S 4 2− , gradually grew after SOC = 25% during charge (27).…”
Section: Resultsmentioning
confidence: 99%
“…2C). A sharp peak at 339 cm −1 , which was assigned to the long-chain polysulfide species S 6 2− (25,26), appeared at SOC = 25% but disappeared after SOC = 75%. Meanwhile, a small peak at 234 cm −1 , which was attributed to the bending mode of S 4 2− , gradually grew after SOC = 25% during charge (27).…”
Section: Resultsmentioning
confidence: 99%
“…To characterize the silica network in the ionogel, we modified a procedure reported previously. 68 In the current study the ionogel was immersed in acetone, which tends to dissolve the IL. The acetone is then removed by supercritical drying using liquid CO 2 .…”
Section: Characterization Techniquesmentioning
confidence: 99%
“…1,16,17 While much attention has been devoted to improving the specific capacity of sulfur, very limited studies have considered the severe impacts of the amounts and ratios of sulfur and electrolyte used on cell performance. 4,7,8,10 Thus, amid the increasing number of reports describing the optimization of individual parameters of lithium-sulfur cells, including high charge-storage capacity per unit mass of sulfur, 18 large sulfur loading and/or content, [18][19][20] and low electrolyte amount, [13][14][15]21 a synchronous examination of these important parameters has largely remained unaddressed.…”
Section: Introductionmentioning
confidence: 99%