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    • 15. 发明申请
    • LITHIUM SULFUR BATTERY
    • 锂硫电池
    • WO2011051275A1
    • 2011-05-05
    • PCT/EP2010/066143
    • 2010-10-26
    • SOLVAY FLUOR GmbHOLSCHIMKE, JensBOMKAMP, MartinEICHER, Johannes
    • OLSCHIMKE, JensBOMKAMP, MartinEICHER, Johannes
    • H01M12/08H01M10/052H01M10/0569H01M10/0568H01M10/05
    • H01M12/08H01M4/134H01M4/38H01M4/381H01M4/382H01M10/05H01M10/052H01M10/0568H01M10/0569H01M2300/0025H01M2300/0068Y02E60/128Y02T10/7011
    • A lithium sulfur battery comprising at least one fluorosubstituted compound is described. Preferred fluorosubstituted compounds which are predominantly solvents are notably selected from the group consisting of fluorosubstituted carboxylic acid esters, fluorosubstituted carboxylic acid amides, fluorosubstituted fluorinated ethers, fluorosubstituted carbamates, fluorosubstituted cyclic carbonates, and fluorosubstituted acyclic carbonates fluorosubstituted ethers, perfluoroalkyl phosphoranes, fluorosubstituted phosphites, fluorosubstituted phosphates, fluorosubstituted phosphonates and fluorosubstituted heterocycles. Monofluoroethylene carbonate, cis-difluoroethylene carbonate, trans- difluoroethylene carbonate, 4,4- difluoroethylene carbonate, trifluoroethylene carbonate, tetrafluoroethylene carbonate, 4-fluoro-4-methyl-l,3-dioxolane-2-one, 4-fluoro-4-ethyl- 1,3-dioxolane-2-one, 2,2,2-trifluoroethyl-methyl carbonate, 2,2,2-trifluoroethyl-fluoromethyl carbonate are preferred. The solvent my further comprise non-fluorinated solvents, e.g. ethylene carbonate, a dialkyl carbonate or propylene carbonate. The invention also concerns the use of fluorinated compounds as additive for such batteries and specific electrolyte solutions.
    • 描述了包含至少一种氟取代的化合物的锂硫电池。 主要是溶剂的优选氟取代的化合物特别选自氟取代的羧酸酯,氟取代的羧酸酰胺,氟取代的氟代醚,氟取代的氨基甲酸酯,氟取代的环状碳酸酯和氟取代的无环碳酸酯氟取代的醚,全氟烷基磷,氟取代的亚磷酸酯,氟取代的 磷酸酯,氟取代的膦酸酯和氟取代的杂环。 单氟代碳酸亚乙酯,顺式二氟亚乙基碳酸酯,反式二氟亚乙基碳酸酯,4,4-二氟亚乙基碳酸酯,三氟乙烯碳酸酯,四氟乙烯碳酸酯,4-氟-4-甲基-1,3-二氧戊环-2-酮,4-氟-4- 乙基-1,3-二氧戊环-2-酮,2,2,2-三氟乙基 - 甲基碳酸酯,2,2,2-三氟乙基 - 氟甲基碳酸酯。 溶剂我还包括非氟化溶剂,例如 碳酸亚乙酯,碳酸二烷基酯或碳酸亚丙酯。 本发明还涉及氟化化合物作为这种电池和特定电解质溶液的添加剂的用途。
    • 17. 发明申请
    • PROCESS FOR THE DESTILLATIVE PURIFICATION OF FLUOROETHYLENE CARBONATE
    • 氟代乙烯碳酸酯的目的化学纯化方法
    • WO2011020830A1
    • 2011-02-24
    • PCT/EP2010/061973
    • 2010-08-17
    • SOLVAY FLUOR GMBHLAMBERT, AlainSOMMER, ChristophKRUEGER, HaraldOLSCHIMKE, Jens
    • LAMBERT, AlainSOMMER, ChristophKRUEGER, HaraldOLSCHIMKE, Jens
    • C07D317/42
    • C07D317/42
    • Process for the destillative purification of fluoroethylene carbonate Crude fluoroethylene carbonate obtained by the fluorination of ethylene carbonate and elemental fluorine containing not more than 5 % by weight of HF is purified by at least two subsequent distillation steps. The bulk of HF can be removed, if desired,in a preliminary HF removal step, e.g. by stripping,before performing the distillation. Further,if desired, a second HF removal step can be performed by contacting the crude mixture or the distillate obtained after the first distillation step with an adsorbent for HF, e.g. silica gel. The distillation can be performed batch wise. It is preferred to perform it continuously. It yields purified fluoroethylene carbonate with an HF content of equal to or less than 30 ppm. The purified fluoroethylene carbonate can be applied as solvent additive for lithium ion batteries.
    • 氟代碳酸亚乙酯的游离纯化方法通过氟化碳酸亚乙酯和含有不超过5重量%HF的元素氟获得的粗氟代碳酸亚乙酯通过至少两个随后的蒸馏步骤纯化。 如果需要,可以在初步HF去除步骤中除去大部分HF。 通过汽提,然后进行蒸馏。 此外,如果需要,可以通过使在第一蒸馏步骤后获得的粗混合物或蒸馏物与HF的吸附剂接触来进行第二HF去除步骤,例如。 硅胶。 蒸馏可以分批进行。 优选连续执行。 产生HF含量等于或小于30ppm的纯化氟代碳酸亚乙酯。 纯化的碳酸亚乙酯可用作锂离子电池的溶剂添加剂。