Patent application number | Description | Published |
20110008681 | ELECTROLYTIC SOLUTION - There is provided an electrolytic solution causing no phase separation even at low temperatures, being excellent in flame retardancy and noncombustibility, assuring high solubility of an electrolyte salt, having a high discharge capacity, being excellent in charge-discharge cycle characteristics and being suitable for electrochemical devices such as lithium ion secondary batteries. The electrolytic solution comprises a solvent (I) for dissolving an electrolyte salt comprising a fluorine-containing ether (A) represented by the formula: Rf | 01-13-2011 |
20110098511 | METHOD OF PREPARING FLUORINE-CONTAINING ETHER - There is provided a method of preparing a high purity fluorine-containing ether which inhibits a side reaction generating an unsaturated bond and assures low cost and simple steps. When preparing the fluorine-containing ether by allowing a fluorine-containing alkyl alcohol to react with a fluorinated olefin in the presence of a basic compound, a reaction is terminated at a stage before a conversion ratio of the fluorine-containing alkyl alcohol reaches 75%. | 04-28-2011 |
20130224606 | NON-AQUEOUS ELECTROLYTE SOLUTION - The present invention directs to a non-aqueous electrolyte solution, including (I) at least one compound selected from the group consisting of fluorinated linear sulfones and fluorinated linear sulfonic acid esters, and (II) an electrolyte salt. Such a non-aqueous electrolyte solution has high oxidation resistance, minimizes its decomposition even when hydrofluoric acid is produced. Also, the solution is less likely to cause, in the case of being used for a secondary cell, swelling of the cell and lowering of the battery performance. | 08-29-2013 |
20140017560 | LITHIUM ION SECONDARY BATTERY AND NONAQUEOUS ELECTROLYTE FOR LITHIUM ION SECONDARY BATTERY - The present invention provides a lithium ion secondary cell excellent in high-temperature storage characteristics and high voltage cycle characteristics; and a nonaqueous electrolyte for the cell. | 01-16-2014 |
20140023916 | ELECTROLYTIC SOLUTION - Provided is an electrolytic solution exhibiting excellent withstand voltage and satisfactory characteristics even at low and high temperatures. The invention is an electrolytic solution that includes a cyclic carbonate (I-1) represented by formula (I-1): | 01-23-2014 |
20140023938 | ELECTROCHEMICAL DEVICE AND NONAQUEOUS ELECTROLYTE SOLUTION FOR ELECTROCHEMCIAL DEVICE - The present invention aims to provide an electrochemical device excellent in high temperature storage characteristics and cycling characteristics at high voltages, and a nonaqueous electrolyte for the electrochemical device. The present invention relates to an electrochemical device including: a positive electrode; a negative electrode; and a nonaqueous electrolyte containing a nonaqueous solvent and an electrolyte salt, wherein the nonaqueous solvent contains a fluorinated linear carbonate represented by the formula (1): | 01-23-2014 |
20140242475 | BATTERY AND NON-AQUEOUS ELECTROLYTE - An object of the present invention is to provide a battery having excellent durability at high temperature and high voltage. The present invention is a battery including a positive electrode, a negative electrode and a non-aqueous electrolyte, wherein the non-aqueous electrolyte contains (i) a compound represented by the general formula (1): | 08-28-2014 |
20150086876 | ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY, AND MODULE - The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high voltage cycle characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below, and a fluorine-containing compound (B) represented by formula (2) shown below: | 03-26-2015 |
20150086877 | ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM ION SECONDARY BATTERY, AND MODULE - The present invention aims to provide an electrolyte solution for forming, for example, a secondary battery having excellent oxidation resistance and high-temperature storage characteristics; an electrochemical device such as a lithium-ion secondary battery that contains the electrolyte solution; and a module that contains the electrochemical device. The present invention provides an electrolyte solution containing a solvent and an electrolyte salt, wherein the solvent contains a fluorine-containing compound (A) represented by formula (1) shown below in an amount of 0.01 to 20% by mass, and a fluorine-containing compound (B) represented by formula (2) shown below in an amount of 10 to 80% by mass: | 03-26-2015 |