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| Number | Title | Issue Date |
| 8173305 | Film former-free electrolyte/separator system and use thereof in electrochemical energy accumulators The invention relates to an electrolyte separator system comprising an ionic liquid, a conductive salt and a ceramic separator, and the use of the electrolyte separator system according to the invention in electrochemical energy storage systems, in particular of lit... | 05/08/2012 |
| 8124284 | Nonaqueous electrolytic solution containing additive for increasing capacity of lithium-ion cell and lithium-ion cell using same Disclosed are an additive for improving charge/discharge characteristics of a lithium-ion cell, a nonaqueous electrolytic solution containing the additive, and a lithium-ion cell using the additive and/or the nonaqueous electrolytic solution. The additive serves as ... | 02/28/2012 |
| 7736812 | Electrolyte for rechargeable lithium battery and rechargeable lithium battery Disclosed is an electrolyte for a rechargeable lithium battery including an additive for overcharge inhibition comprising a compound represented by formula 1; a lithium salt; and a non-aqueous organic solvent: ... | 06/15/2010 |
| 7709154 | Non-aqueous electrolyte and a lithium secondary battery comprising the same Disclosed is an electrolyte of a lithium secondary battery comprising a lithium salt, an organic solvent, and at least one additive compound selected from the group consisting of compounds represented by the following formula (1) and derivatives thereof: | 05/04/2010 |
| 7615317 | N-oxide redox shuttles for rechargeable lithium-ion cell A rechargeable lithium-ion cell contains a positive electrode, negative electrode, charge-carrying electrolyte containing charge carrying medium and lithium salt, and cycloaliphatic N-oxide compound dissolved in or dissolvable in the electrolyte. The N-oxide compoun... | 11/10/2009 |
| 7510807 | Non-aqueous electrolyte and a lithium secondary battery comprising the same Disclosed is an electrolyte of a lithium secondary battery comprising a lithium salt, an organic solvent, and at least one additive compound selected from the group consisting of compounds represented by the following formula (1) and derivatives thereof: | 03/31/2009 |
| 7402260 | Non-aqueous solvent mixture and non-aqueous electrolytic solution containing such mixture A non-aqueous mixture solvent for a non-aqueous electrolytic solution to be used for electrochemical energy devices, which contains an aprotic solvent, and a fluorinated ketone of the formula: (wherein Rf1 | 07/22/2008 |
| 7341807 | Non-flammable nonaqueous electrolyte solution and lithium ion cell using same Disclosed are a non-flammable nonaqueous electrolyte solution and a lithium ion cell using the electrolyte solution. The non-flammable nonaqueous electrolyte solution comprises a ternary or higher-order compound additive, a high concentration of lithium salt and a p... | 03/11/2008 |
| 7314514 | Electrolyte for an energy storage device The invention relates to energy storage devices such as capacitors and supercapacitors and non-aqueous solvent systems suitable for use as an electrolyte solvent therein. Devices incorporating the solvent system are suitable for use in, for example, wireless devices... | 01/01/2008 |
| 7312000 | Electrolytic solution for secondary battery and secondary battery containing the same A battery, which has excellent safety in an overcharged state and is excellent in low-temperature characteristics and cycle characteristics, is provided. The electrolytic solution of the secondary battery contains a compound which has a diazine N,N′-dioxide... | 12/25/2007 |
| 7297447 | Non-aqueous electrolyte battery A non-aqueous electrolyte battery of the present invention includes a non-aqueous electrolyte containing a lithium salt, a cyclic sultone derivative, and an acid anhydride, wherein the non-aqueous electrolyte contains the cyclic sultone derivative in an amount of 0.... | 11/20/2007 |
| 7285362 | Safe battery solvents An ion transporting solvent maintains very low vapor pressure, contains flame retarding elements, and is nontoxic. The solvent in combination with common battery electrolyte salts can be used to replace the current carbonate electrolyte solution, creating a safer ba... | 10/23/2007 |
| 7282303 | Non-aqueous secondary battery and portable equipment using the same A non-aqueous secondary battery is provided, which has excellent overcharging safety, less generation of gas during storage at a high temperature, and can ensure storage reliability. A non-aqueous secondary battery includes a positive electrode, a negative el... | 10/16/2007 |
| 7255779 | Indolecarboxylic ester trimer and electrochemical cell using the same The present invention provides a novel indole carboxylic ester trimer which is characterized by being represented by the following general formula (1): wherein R represents a straight or branched chain alkyl grou... | 08/14/2007 |
| 7252908 | Organic electrolytic solution and lithium battery using the same The present invention relates to an electrolytic solution for a lithium battery and a lithium battery using the same. The organic electrolytic solution includes a lithium salt, a mixed organic solvent comprising a high dielectric constant solvent and a low boiling-p... | 08/07/2007 |
| 7247404 | Electrolyte for lithium secondary batteries and lithium secondary battery comprising the same An electrolyte in a lithium secondary battery includes an alkyl ammonium salt having a cation of the following Formula 1, a lithium salt, and an organic solvent: wherein R1 to R4 are indepen... | 07/24/2007 |
| 7241535 | Electrolyte for lithium-sulfur batteries and lithium-sulfur batteries comprising the same A lithium-sulfur battery includes a positive electrode having at least one positive active material selected from the group consisting of an elemental sulfur, Li2Sn (n≧1), Li2Sn (n≧1) dissolved in catholytes, an organo... | 07/10/2007 |
| 7238452 | Electrolyte for lithium battery and lithium battery comprising same An electrolyte for a lithium battery includes a non-aqueous organic solvent, lithium salts, and an additive compound of formula (1): where X is selected from the group consisting of an alkyl, an alkoxy, a halogen... | 07/03/2007 |
| 7226703 | Electrolyte for rechargeable lithium battery and rechargeable lithium battery comprising same Disclosed is an electrolyte for a rechargeable lithium battery including a non-aqueous organic solvent, a lithium salt, and a lactam-based compound selected from the group consisting of compounds represented by formulas 1 to 6: | 06/05/2007 |
| 7223495 | Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery has a positive electrode having a positive electrode collector, on which a positive electrode active material layer containing a positive electrode active material as a complex oxide of Li and transition metals are formed,... | 05/29/2007 |
| 7220519 | Electrolyte composition, lithium battery using the same, and method of manufacturing the lithium battery An electrolyte composition, a lithium battery using the electrolyte composition, and a method of manufacturing the lithium battery are provided. The electrolyte composition contains: a lithium salt; an organic solvent containing 15-50% by weight of propylene carbona... | 05/22/2007 |
| 7201994 | Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery comprising: a positive electrode comprising a positive electrode current collector and a positive electrode material mixture layer formed thereon; a negative electrode comprising a negative electrode current collector and ... | 04/10/2007 |
| 7198871 | Non-aqueous electrolyte secondary battery In a non-aqueous electrolyte secondary battery provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte solution, a positive electrode active material is a mixture of lithium-manganese composite oxide and at least one of lithium-nickel... | 04/03/2007 |
| 7166724 | Ionic liquids An ionic liquid of the formula K+A−, wherein K and A are as defined herein, can be used in such things as electrochemical cells, supercapacitors, hydraulic liquids, solvents, organic syntheses. ... | 01/23/2007 |
| 7153974 | Ionic liquids II An ionic liquid of the formula K+A− wherein K+ and A− are as defined herein, are suitable for use in electrochemical cells and capacitors. These ionic liquids can also be used in catalysis, as inert solvents, and as hy... | 12/26/2006 |
| 7115339 | Lithium ion secondary battery A lithium ion secondary battery comprising: a positive electrode, a negative electrode, a separator interposed between the positive and negative electrodes, and an electrolyte prepared by dissolving a lithium salt in a non-aqueous solvent, wherein the separator comp... | 10/03/2006 |
| 7110243 | Electric double layer capacitor An electric double layer capacitor comprises a pair of polarizable electrodes impregnated with an electrolytic solution comprising an organic solvent and a supporting electrolyte dissolved in the organic solvent, and a gasket comprising a fluororesin. The organic so... | 09/19/2006 |
| 7037624 | Electrolyte for lithium battery, method of preparing the same, and lithium battery comprising same An electrolyte for a lithium battery is disclosed. The electrolyte includes a non-aqueous organic solvent, a lithium salt, and at least one dioxolane-based additive. ... | 05/02/2006 |
| 7026074 | Lithium ion battery with improved safety A lithium battery with improved safety that utilizes one or more additives in the battery electrolyte solution wherein a lithium salt is dissolved in an organic solvent, which may contain propylene, carbonate. For example, a blend of 2 wt % triphenyl phosphate (TPP)... | 04/11/2006 |
| 7022145 | Lithium secondary battery Disclosed is a lithium secondary battery comprising a positive electrode including a material that is capable of reversible intercalation/deintercalation of lithium ions as a positive active material; a negative electrode including a material that is capable of reve... | 04/04/2006 |
| 6967066 | Non-aqueous electrolyte secondary battery A non-aqueous electrolyte secondary battery has a positive electrode having a positive electrode collector, on which a positive electrode active material layer containing a positive electrode active material as a complex oxide of Li and transition metals are formed,... | 11/22/2005 |
| 6942948 | Nonaqueous electrolyte solution and secondary battery employing the same A nonaqueous electrolyte solution for secondary batteries which is an electrolyte solution for secondary batteries obtained by dissolving a lithium salt in a nonaqueous solvent, wherein the nonaqueous solvent is a solvent mainly comprising a lactone compound and the... | 09/13/2005 |
| 6927000 | Oxazoline surfactant anode additive for alkaline electrochemical cells According to the present invention an alkaline electrochemical cell can contain an anode having an anode active material, an alkaline electrolyte, a gelling agent and an oxazoline surfactant additive. The invention relates to an anode mix, to an anode containing the... | 08/09/2005 |
| 6846594 | Lithium secondary battery Disclosed is a lithium secondary battery comprising a positive electrode including a material that is capable of reversible intercalation/deintercalation of lithium ions as a positive active material; a negative electrode including a material that is capable of reve... | 01/25/2005 |
| 6841305 | Non-aqueous electrolyte battery and non-aqueous electrolyte A non-aqueous electrolyte battery excellent in high-temperature storage characteristics is provided by adding to the non-aqueous electrolye a compound represented by the following formula: in the above formula, R1... | 01/11/2005 |
| 6767671 | Non-aqueous electrolytic solution and secondary battery containing same A non-aqueous electrolytic solution capable of depressing deterioration of battery properties in a high temperature environment is provided. A secondary battery is also provided. The non-aqueous electrolytic solution containing at least an organic solvent and a lith... | 07/27/2004 |
| 6727023 | Electrolyte composition, electrochemical cell and ionic liquid crystal monomer An electrolyte composition comprising a polymer compound formed by polymerizing an ionic liquid crystal monomer containing at least one polymerizable group. Also disclosed are an electrochemical cell, a nonaqueous secondary cell and a photoelectrochemical cell, each... | 04/27/2004 |
| 6692871 | Double current collector cathode design for alkali metal electrochemical cells having short circuit safety characteristics A new sandwich cathode design having a first cathode active material of a relatively low energy density but of a relatively high rate capability sandwiched between two current collectors and with a second cathode active material having a relatively high e... | 02/17/2004 |
| 6692865 | Double current collector cathode design using mixtures of two active materials for alkali metal or ion electrochemical cells A new sandwich cathode design is provided having a first cathode structure of a first cathode active material of a relatively low energy density but of a relatively high rate capability, for example SVO, mixed with a second cathode active material having ... | 02/17/2004 |
| 6630272 | Non-aqueous electrochemical device The present invention relates to an electrolyte for non-aqueous electrochemical device containing at least one of 6-substituted-1,3,5-triazine-2,4-dithiol and derivatives thereof as an additive and a non-aqueous electrochemical device, particularly a lith... | 10/07/2003 |
