| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 429333000 | And acyclic ether solvent | 9 |
| 20110143218 | Battery - A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an electrolyte containing lithium salts, such as lithium iodide and lithium hexafluorophosphate. | 06-16-2011 |
| 20140023935 | LITHIUM SECONDARY CELL - Provided is a lithium secondary cell of 5V class having a positive electrode operating voltage of 4.5V or higher with respect to metallic lithium; the lithium secondary cell has high energy density, inhibits degradation of the electrolytic solution that comes in contact with the positive electrode and the negative electrode, and has particularly long cell life when used under high-temperature environments. The positive electrode contains, as the positive electrode active substance, a predetermined lithium-manganese oxide complex; the negative electrode contains, as the negative electrode active substance, graphite, of which surface is coated by low-crystallinity carbon; and the electrolytic solution contains one or more high-oxidation-potential solvents selected from propylene carbonate, butyl ene carbonate, 4-fluoro-1,3-dioxolan-2-one, and 4,5-difluoro-1,3-dioxolan-2-one within a range of 5 to 60 vol % of the solvent and one or two low-viscosity solvents selected from dimethyl carbonate and fluorinated cyclic ether. | 01-23-2014 |
| 20140302401 | NONAQUEOUS ELECTROLYTE COMPOSITIONS - Electrolyte compositions comprising fluorinated acyclic carboxylic acid esters, fluorinated acyclic carbonates, and/or fluorinated acyclic ethers; co-solvents; and certain film-forming chemical compounds are described. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries where they provide the improved performance of a combination of high capacity and high cycle life. | 10-09-2014 |
| 20140302402 | NONAQUEOUS ELECTROLYTE COMPOSITIONS - Electrolyte compositions comprising fluorinated acyclic carboxylic acid esters, fluorinated acyclic carbonates, and/or fluorinated acyclic ethers; co-solvents; and certain film-forming chemical compounds are described. The electrolyte compositions are useful in electrochemical cells, such as lithium ion batteries where they provide the improved performance of a combination of high capacity and high cycle life. | 10-09-2014 |
| 20140342244 | ELECTROLYTE INCLUDING SILANE FOR USE IN ELECTROCHEMICAL DEVICES - The electrolyte includes one or more salts and a silane. The silane has a silicon linked to one or more first substituents that each include a poly(alkylene oxide) moiety or a cyclic carbonate moiety. The silane can be linked to four of the first substituents. Alternately, the silane can be linked to the one or more first substituents and one or more second substituents that each exclude both a poly(alkylene oxide) moiety and a cyclic carbonate moiety. | 11-20-2014 |
| 20150132663 | LITHIUM SECONDARY BATTERY - There is provided a secondary battery comprising: a positive electrode capable of intercalating and deintercalating a lithium ion; a negative electrode capable of intercalating and deintercalating a lithium ion; and an electrolytic solution, wherein the electrolytic solution comprises: a fluorine-containing cyclic ether compound represented by the following formula (1); and at least one selected from a fluorine-containing chain ether compound or a fluorine-containing phosphate ester compound; | 05-14-2015 |
| 20150303471 | LITHIUM SECONDARY BATTERY - Disclosed is a lithium secondary battery including (i) a cathode active material including a lithium metal phosphate according to Formula 1 below, (ii) an anode active material including amorphous carbon, and (iii) an electrolyte for lithium secondary batteries including a lithium salt and an ether-based solvent, | 10-22-2015 |
| 20160190644 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes: a positive electrode including a positive active material; and an electrolyte solution including a solvent and an additive, wherein the positive active material includes a lithium-containing transition metal oxide, the solvent includes a hydrofluoroether, and the additive includes a first additive represented by Chemical Formula 1 and at least one selected from a second additive represented by Chemical Formula 2, a third additive represented by Chemical Formula 3, and a fourth additive represented by Chemical Formula 4. | 06-30-2016 |
| 20170237123 | LITHIUM SECONDARY BATTERY | 08-17-2017 |
