Patent application number | Description | Published |
20140162121 | POWDER FOR CATHODE OF LITHIUM-SULFUR SECONDARY BATTERY AND METHOD OF FABRICATING THE SAME - Provided is powder for a cathode of a lithium-sulfur secondary battery that maximizes the utilization rate of sulfur by increasing the ratio of sulfur and an absolute content of sulfur, increases the capacity of the lithium-sulfur secondary battery and improves energy density and life-span characteristics, and a method of fabricating the same. The provided powder comprises a fibrous conductive material inserted in and penetrating a sulfur powder, a nano sized spherical conductive material coated on a surface of the sulfur powder to surround the surface of the sulfur powder, and a conductive polymer protective film is coated on an outer surface of the coated spherical conductive material layer. | 06-12-2014 |
20140162146 | ELECTRODE FOR LITHIUM-AIR BATTERY CONTAINING POROUS CARBON SUPPORTED BY CATALYST - Disclosed is an electrode for a lithium-air battery containing porous carbons on which a metal catalyst is supported. In particular, the present invention relates to an electrode for a lithium-air battery with improved battery performance in which metal catalyst supported mesoporous carbons are mixed with heterogeneous conductive carbons as a conductive material, leading to an increase in dispersibility and reaction area. | 06-12-2014 |
20140186522 | METHOD OF FABRICATING SULFUR-INFILTRATED MESOPOROUS CONDUCTIVE NANOCOMPOSITES FOR CATHODE OF LITHIUM-SULFUR SECONDARY BATTERY - Disclosed is method of fabricating sulfur-infiltrated mesoporous conductive nanocomposites for a cathode of a lithium-sulfur secondary battery, whereby a cathode material having a relatively high content of sulfur is fabricated and a high energy density in a lithium-sulfur secondary battery is realized, including: a) performing thermal treatment on sulfur particles in a reactor at a high temperature to melt the sulfur particles; b) adding a mesoporous conductive material in macroscale to a sulfur solution in the reactor; c) pressurizing the mesoporous conductive material in macroscale in the reactor so that the mesoporous conductive material in macroscale is completely immersed in the sulfur solution, and then maintaining the pressurized and molten state; d) cooling the sulfur particles and the mesoporous conductive material in macroscale so that sulfur within pores of the mesoporous conductive material in macroscale is crystallized; and e) grinding sulfur-infiltrated mesoporous conductive composites to fabricate sulfur-infiltrated mesoporous conductive nanocomposites. | 07-03-2014 |
20140186678 | LITHIUM SECONDARY BATTERY CELL STRUCTURE - A lithium secondary battery that has a battery cell structure, with improved electrochemical stability between an electrode and an electrolyte. In addition, the lithium secondary battery improves ion conductivity while applying a solid electrolyte. More specifically, a lithium secondary battery comprising a separator formed by an electrolyte between the cathode and the anode, wherein a composite coated layer of lithium-lanthanum-titanate (Li | 07-03-2014 |
20150188129 | SULFUR CATHODE OF LITHIUM SULFUR BATTERIES AND METHOD OF MANUFACTURING THE SAME - The present invention provides a lithium sulfur battery with improved life characteristics and enhanced battery capacity. Particularly, a cathode for the lithium sulfur battery may include two types of binders which are different in solvents systems and adhesion types. | 07-02-2015 |
20150372291 | CATHODE FOR LITHIUM-SULFUR BATTERY - Disclosed is a cathode for lithium-sulfur battery. The cathode for lithium-sulfur battery has a structure for improved in charge/discharge efficiency, charge capacity, and life span. In particular, in the cathode structure, an active material is inserted into a porous carbon structure and a surface of the porous carbon structure is densely coated with the conducting material thereby maximizing the contents of an active material and a conducting material in the cathode without a current collector. | 12-24-2015 |
Patent application number | Description | Published |
20140072865 | RECHARGEABLE LITHIUM BATTERY - A rechargeable lithium battery includes a compound represented by Chemical Formula 1: | 03-13-2014 |
20140178752 | CYCLOTRIPHOSPHAZENE COMPOUND, METHOD OF PREPARING THE SAME, ELECTROLYTE FOR LITHIUM SECONDARY BATTERY INCLUDING THE CYCLOTRIPHOSPHAZENE COMPOUND, AND LITHIUM SECONDARY BATTERY INCLUDING THE ELECTROLYTE - A cyclotriphosphazene compound comprising a fluorinated cyclotriphosphazene compound having at least one fluorine atom substituted with a group represented by Formula 1 below, a method of preparing the cyclotriphosphazene compound, an electrolyte including the cyclotriphosphazene compound, and a lithium secondary battery including the electrolyte are provided: | 06-26-2014 |
20150221976 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for a rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, and an additive. The additive is represented by Chemical Formula 1, and is included in an amount of about 0.05 wt % to about 3 wt % based on the total amount of the electrolyte. A rechargeable lithium battery including the same is also disclosed. | 08-06-2015 |
20150229003 | ADDITIVE FOR ELECTROLYTE AND ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY - Disclosed are an additive for an electrolyte represented by the following Chemical Formula 1, and an electrolyte and a rechargeable lithium battery including the same: | 08-13-2015 |
20150244029 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are an electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive represented by the following Chemical Formula 1, and a rechargeable lithium battery including the same. | 08-27-2015 |
20150325880 | RECHARGEABLE LITHIUM BATTERY - Disclosed is a rechargeable lithium battery including a positive electrode; a negative electrode including a negative active material, the negative active material including a silicon-based material; and an electrolyte solution including a lithium salt, a non-aqueous organic solvent, and an additive. The additive includes an ethylene carbonate-based compound represented by Chemical Formula 1 and a pyridine-based compound represented by Chemical Formula 2: | 11-12-2015 |
20160006076 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are an electrolyte for a rechargeable lithium battery including a lithium salt, organic solvent and an additive including a compound represented by the following Chemical Formula 1 and a rechargeable lithium battery including the same. | 01-07-2016 |
20160056505 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery and a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive represented by the following Chemical Formula 1: | 02-25-2016 |