摘要:
Provided are an electrolyte comprising an amide compound of a specific structure, in which an alkoxy group is substituted with an amine group, and an ionizable lithium salt, and an electrochemical device containing the same. The electrolyte may have excellent thermal and chemical stability and a wide electrochemical window. Also, the electrolyte may have a sufficiently low viscosity and a high ionic conductivity, and thus, may be usefully applied as an electrolyte of electrochemical devices using various anode materials.
摘要:
An electrolyte includes an eutectic mixture composed of (a) a hetero cyclic compound having a predetermined chemistry figure, and (b) an ionizable lithium salt. An electrochemical device having the electrolyte. The eutectic mixture included in the electrolyte exhibits inherent characteristics of an eutectic mixture such as excellent thermal stability and excellent chemical stability, thereby improving the problems such as evaporation, ignition and side reaction of an electrolyte caused by the usage of existing organic solvents.
摘要:
An electrolyte includes an eutectic mixture composed of (a) a hetero cyclic compound having a predetermined chemistry figure, and (b) an ionizable lithium salt. An electrochemical device having the electrolyte. The eutectic mixture included in the electrolyte exhibits inherent characteristics of an eutectic mixture such as excellent thermal stability and excellent chemical stability, thereby improving the problems such as evaporation, ignition and side reaction of an electrolyte caused by the usage of existing organic solvents.
摘要:
Disclosed is a secondary battery comprising a cathode, an anode, a separator and an electrolyte, wherein the electrolyte comprises: (a) a eutectic mixture; and (b) a first compound reduced at a higher potential vs. lithium potential (Li/Li+) than the lowest limit of the electrochemical window of the eutectic mixture. The electrolyte uses a eutectic mixture in combination with an additive reduced in advance of the eutectic mixture upon the initial charge to form a solid electrolyte interface (SEI) layer. Therefore, the electrolyte can solve the problem of electrolyte decomposition occurring when using a eutectic mixture alone as an electrolyte for a battery, and thus can prevent degradation of the quality of a battery.
摘要翻译:公开了包括阴极,阳极,隔板和电解质的二次电池,其中电解质包括:(a)共晶混合物; 和(b)比共晶混合物的电化学窗口的最低极限更高的电位降低的锂离子电位(Li / Li +)的第一化合物。 电解质使用共晶混合物与在初始电荷下先于共晶混合物还原的添加剂组合以形成固体电解质界面(SEI)层。 因此,电解质可以解决当单独使用共晶混合物作为电池的电解质时发生电解质分解的问题,因此可以防止电池质量的劣化。
摘要:
Disclosed is an electrolyte comprising a eutectic mixture formed of: (a) an amide group-containing compound; and (b) a lithum-free ionizable salt. An electrochemical device comprising the electrolyte is also disclosed. The electrolyte improves the quality of and electrochemical device due to the excellent conductivity of the metal cation contained in the eutectic mixture, a broad electrochemical window and low viscosity. Additionally, since the eutectic mixture has excellent thermal and chemical stability, it is possible to solve the problems of evaporation, exhaustion and ignition of electrolytes, to minimize side reactions between constitutional elements of the device and the electrolyte, and to improve the safety of the electrochemical device.
摘要:
Disclosed is an electrolyte. The electrolyte includes an amide compound and an ionizable lithium salt. The amide compound has a specific structure in which an amine group is substituted with at least one alkoxyalkyl group and at least one halogen atom is present. The electrolyte has good thermal and chemical stability, a low resistance and a high ionic conductivity. In addition, the electrolyte has a high upper limit of electrochemical window due to its improved oxidation stability. Therefore, the electrolyte can be useful for the fabrication of an electrochemical device. Further disclosed is an electrochemical device including the electrolyte.
摘要:
An acrylic adhesive composition comprising a room temperature eutectic salt prepared by mixing a metal salt represented by the formula (1) below and an alkali metal cation with a compound having an amide group represented by the formula (2) below: M+X31 (YOmRf)n (1) where M is an alkali metal cation and Rf is a perfluoroalkane group having 1-4 carbon atoms; where R1 is hydrogen, an alkyl group having 1-10 carbon atoms, an alkenyl group having 2-10 carbon atoms or an aryl or alaryl group having 6-10 carbon atoms; R2 is hydrogen, halogen, an alkyl group having 1-10 carbon atoms, an alkenyl group having 2-10 carbon atoms or an aryl or alaryl group having 6-10 carbon atoms; X is carbon or nitrogen; and n is 0-6.
摘要:
Disclosed is a secondary battery comprising a cathode, an anode, a separator and an electrolyte, wherein the electrolyte comprises a eutectic mixture formed of: (a) an amide group-containing compound, and (b) an ionizable lithium salt, and the anode comprises a metal or metal oxide having a potential vs. lithium potential (Li/Li+) within electrochemical window of the eutectic mixture. An electrolyte for a secondary battery comprising the eutectic mixture is also disclosed. Since the secondary battery uses a eutectic mixture as an electrolyte in combination with an anode having a potential vs. lithium potential (Li/Li+) within the electrochemical window of the eutectic mixture, it solves the problems occurring in a conventional battery using a eutectic mixture as an electrolyte, such problems including decomposition of an electrolyte and degradation of the quality of a battery. Also, due to the thermal and chemical stability, high conductivity and a broad electrochemical window of a eutectic mixture, it is possible to improve the quality as well as safety of a battery.
摘要翻译:公开了包括阴极,阳极,隔膜和电解质的二次电池,其中电解质包括由以下物质形成的共晶混合物:(a)含酰胺基化合物和(b)可电离锂盐,阳极 包括在共晶混合物的电化学窗口内具有电位与锂电位(Li / Li + +)的金属或金属氧化物。 还公开了包含共晶混合物的二次电池用电解质。 由于二次电池在共晶混合物的电化学窗口内使用共晶混合物作为电解质与具有电位与锂电位(Li / Li + SUP +)的阳极组合,因此解决了发生的问题 在使用共晶混合物作为电解质的常规电池中,存在电解质分解和电池质量劣化等问题。 此外,由于热和化学稳定性,高导电性和共晶混合物的宽电化学窗口,可以提高电池的质量和安全性。
摘要:
A secondary battery comprising a cathode, an anode, a separator and an electrolyte that comprises a eutectic mixture formed of: an amide group-containing compound, and an ionizable lithium salt. The anode comprises a metal or metal oxide having a potential vs. lithium potential (Li/Li+) within electrochemical window of the eutectic mixture. Because the secondary battery uses a eutectic mixture as an electrolyte in combination with an anode having a potential vs. lithium potential (Li/Li+) within the electrochemical window of the eutectic mixture, problems such as decomposition of an electrolyte and degradation of the quality of a battery are avoided. Also, due to the thermal and chemical stability, high conductivity and a broad electrochemical window of a eutectic mixture, it is possible to improve the quality as well as safety of a battery.
摘要翻译:包括阴极,阳极,隔膜和电解质的二次电池,其包含由以下物质组成的共晶混合物:含酰胺基的化合物和可离子化的锂盐。 阳极包括在共晶混合物的电化学窗口内具有电位与锂电位(Li / Li +)的金属或金属氧化物。 因为二次电池使用共晶混合物作为电解质与在共晶混合物的电化学窗口内具有电位与锂电位(Li / Li +)的阳极组合,所以诸如电解质的分解和质量劣化的问题 避免电池。 此外,由于热和化学稳定性,高导电性和共晶混合物的宽电化学窗口,可以提高电池的质量和安全性。
摘要:
Disclosed is an electrolyte comprising (a) a eutectic mixture of an amide compound represented by the following chemical formula 1 or 2 and an ionizable lithium salt; and (b) a nitrile compound. The eutectic mixture and the nitrile compound in the electrolyte contribute to excellent thermal and chemical stability and sufficiently low viscosity and high ion conductivity. The electrolyte can be usefully applied as an electrolyte of electrochemical devices.