| UNIST Academy-Industry Research Corporation Patent applications |
| Patent application number | Title | Published |
|---|
| 20120094181 | Cathode Active Material For A Lithium Rechargeable Battery And A Production Method Therefor - The present invention relates to negative-electrode active material for a lithium secondary battery exhibiting excellent capacity property and cycle life property, a method of preparing the same, and a lithium secondary battery using the negative-electrode active material, wherein the negative-electrode active material for a lithium secondary battery comprises a nanotube having a tube shape defined by an outer wall with a thickness of nanoscale, the outer wall of the nanotube comprises at least one non-carbonaceous material selected from the group consisting of silicon, germanium and antimony, and an amorphous carbon layer with a thickness of 5 nm or less is formed on the outer wall of the nanotube. | 04-19-2012 |
| 20120077087 | NEGATIVE-ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY - The present invention relates to negative-electrode active material for rechargeable lithium battery comprising: a core comprising material capable of doping and dedoping lithium; and, a carbon layer formed on the surface of the core, wherein the carbon layer has a three dimensional porous structure comprising nanopores regularly ordered on the carbon layer with a pore wall of specific thickness placed therebetween. | 03-29-2012 |
| 20120064408 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Provided is a positive active material for a lithium rechargeable battery that includes primary particles including a compound being capable of intercalating and deintercalating lithium, and secondary particles including the primary particles gathered with one another, wherein the secondary particles have a void core structure. A method of preparing the same and a lithium rechargeable battery including the same are also provided. | 03-15-2012 |
| 20110288241 | DONOR-ACCEPTOR ROD-COIL DIBLOCK COPOLYMER FOR ORGANIC SOLAR CELLS AND SYNTHESIS METHOD THEREOF - The present invention features a donor-acceptor rod-coil diblock copolymer for an organic solar cell and a method for synthesizing the same. In certain embodiments, the present invention features a donor-acceptor rod-coil diblock copolymer for an organic solar cell based on polythiophene and fullerene and a method for synthesizing the same. Preferably, the block copolymer exhibits a nanofibrillar structure in solid film and, when added to an active layer of a bulk heterojunction organic solar cell consisting of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl-C | 11-24-2011 |
| 20110256452 | METHOD OF PREPARING NEGATIVE ACTIVE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY AND A RECHARGEABLE LITHIUM BATTERY - The present invention provides a method of preparing a negative active material for a rechargeable lithium battery, comprising the steps of: mixing a silicon precursor, a surfactant comprising an ammonium halide salt having a organic group, an initiator, and a solvent; heat-treating the mixture; cooling the heat-treated mixture to room temperature; washing the cooled, heat treated mixture; and calcining the washed product. | 10-20-2011 |
| 20110076565 | Negative active material for rechargeable lithium battery, method of preparing the same, and rechargeable lithium battery including the same - The present invention provides a negative active material for a rechargeable lithium battery, including an inner layer including a material being capable of doping and dedoping lithium, a carbon layer outside the inner layer, and an outer layer disposed on the carbon layer and including a material being capable of doping and dedoping lithium. The materials being capable of doping and dedoping lithium included in the inner layer and in the outer layer may be the same or different from each other. | 03-31-2011 |
