Patent application number | Description | Published |
20080233479 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Negative active materials for rechargeable lithium batteries are provided. One negative active material includes at least one Si active particle and a metal matrix surrounding the Si active particle. The metal matrix does not react with the Si active particle. The negative active material has a martensite phase when X-ray diffraction intensity is measured using a CuKα ray. The negative active material has improved efficiency and cycle-life. | 09-25-2008 |
20080233480 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - Negative active materials and rechargeable lithium batteries including the negative active materials are provided. The negative active material includes an intermetallic compound of Si and a metal, and a metal matrix including Cu and Al. The negative active material may provide a rechargeable lithium battery having high capacity and excellent cycle-life and cell efficiency. | 09-25-2008 |
20080248389 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR PREPARING SAME, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Negative active materials for rechargeable lithium batteries are provided. One negative active material includes a metal matrix, and an intermetallic compound including a Si active metal and an additive metal dispersed in the metal matrix. The intermetallic compound does not react with the metal matrix. | 10-09-2008 |
20080268338 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - The negative electrode for a rechargeable lithium battery includes a current collector and a negative active material layer disposed on the current collector. The negative active material layer includes a metal-based negative active material and sheet-shaped graphite and has porosity of 20 to 80 volume %. The negative electrode for a rechargeable lithium battery can improve cell characteristics by inhibiting volume change and stress due to active material particle bombardment during charge and discharge, and by decreasing electrode resistance. | 10-30-2008 |
20090176810 | COMPOSITION FOR SKIN EXTERNAL APPLICATION CONTAINING GALLOCATECHIN GALLATE FOR MOISTURIZING EFFECT ON THE SKIN - The present invention relates to a composition for external skin application having a skin-moisturizing effect, which comprises gallocatechin gallate as an active ingredient. More particularly, the composition for external skin application comprises gallocatechin gallate as an active ingredient to activate peroxisome proliferator activated receptor isoform alpha (PPAR-α), to stimulate expression of filaggrin and involucrin that are skin-moisturizing factors, and thus to provide excellent anti-drying and skin-moisturizing effects. More particularly, the composition for external skin application may further comprise theobromine and quercetin in addition to gallocatechin gallate to maximize such effects. | 07-09-2009 |
20100273050 | NEGATIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME - A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the surface. | 10-28-2010 |
20110097629 | Negative Active Material for Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material includes Si-based material core, a carbon coating layer coating the surface of the Si-based material core, and an inorganic salt position on the surface of the carbon coating layer. | 04-28-2011 |
20110104568 | Negative Electrode For Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative electrode including a current collector; and an active material layer formed on the current collector. The active material layer includes a solid solution of a metallic component, and an active material that is capable of forming a lithium-included compound, the metallic component selected from Cu, Ti, a Cu—X alloy, a Ti—X alloy, and a combination thereof. In the alloys, X is selected from an alkaline metal, an alkaline-earth metal, a Group | 05-05-2011 |
20110165464 | Negative Electrode for Rechargeable Lithium Battery and Rechargeable Lithium Battery Including Same - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes a current collector and a negative active material layer disposed on the current collector, wherein the negative active material layer includes a negative active material including a silicon-based core and a carbon layer disposed on the surface of the silicon-based core, an inorganic salt including an alkaline metal cation selected from a Na cation, a K cation, or a combination of these; and an anion selected from a carbonate anion, a halogen anion, or a combination of these, and an aqueous binder. | 07-07-2011 |
20110165467 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed are a negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative electrode includes a current collector, a negative active material composition layer disposed on the surface of the current collector and including a negative active material, and an inorganic salt layer disposed on the surface of the negative active material composition layer and including an inorganic salt. The negative active material includes a silicon-based core and a carbon layer disposed on the surface of the silicon-based core. The inorganic salt includes an alkaline metal cation selected from a Na cation, a K cation, or a combination thereof; and an anion selected from a carbonate anion, a halogen anion, or a combination thereof. | 07-07-2011 |
20110181856 | Auto-focusing device and method for maskless exposure apparatus - Example embodiments are directed to an auto-focusing device for use in a maskless exposure apparatus that performs a beam focus calibration and an auto-focusing method using the same. The auto-focusing device includes a projection optical unit, a focus calibration unit, and a controller. The projection optical unit includes a distance measurement sensor and a focus controller that generate a beam of light. The focus calibration unit includes a substrate having a reference mark on which the beam generated from the projection optical unit is illuminated, a measuring optical unit configured to obtain image information of the beam illuminated on the reference mark, and a stage configured to support the substrate and the measuring optical unit. The controller is configured to control the focus controller so that a beam of the beam generated from the measuring optical unit is located on the surface of an exposed member. | 07-28-2011 |
20110224291 | SKIN EXTERNAL COMPOSITION FOR INHIBITING EPIDERMAL HYPERPROLIFERATION AND ALLEVIATING INFLAMMATORY SKIN DISEASES CONTAINING ORTHODIHYDROXYISOFLAVONE DERIVATIVES - Disclosed herein is a skin external composition for inhibiting epidermal hyperproliferation and alleviating inflammatory skin diseases, which contains ortho-dihydroxyisoflavone derivatives as an active ingredient. Specifically, the skin external external composition contains the ortho-dihydroxyisoflavone derivatives, 4′,6,7-trihydroxyisoflavone, 3′,4′,7-trihydroxyisoflavone or a mixture thereof, and thus increases the expression of DKK3 protein and FZD1 protein, which appropriately control Wnt signaling, thereby inhibiting epidermal hyperproliferation and alleviating inflammatory skin diseases caused by epidermal hyperproliferation. | 09-15-2011 |
20120009468 | NEGATIVE ELECTRODE AND NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Negative active materials, negative electrodes, and rechargeable lithium batteries are provided. A negative electrode according to one embodiment includes a non-carbon-based active material, a lithium salt having an oxalatoborate structure, and a high-strength polymer binder. The negative active material may include a non-carbon-based material and a coating layer on the non-carbon-based material. The coating layer includes a lithium salt having an oxalatoborate structure and a high-strength polymer binder. A rechargeable lithium battery including the negative electrode or negative active material has good cycle life characteristics and high capacity. | 01-12-2012 |
20120010226 | Composition for skin external application containing gallocatechin gallate for moisturizing effect on the skin - The present invention relates to a composition for external skin application having a skin-moisturizing effect, which comprises gallocatechin gallate as an active ingredient. More particularly, the composition for external skin application comprises gallocatechin gallate as an active ingredient to activate peroxisome proliferator activated receptor isoform alpha (PPAR-α), to stimulate expression of filaggrin and involucrin that are skin-moisturizing factors, and thus to provide excellent anti-drying and skin-moisturizing effects. More particularly, the composition for external skin application may further comprise theobromine and quercetin in addition to gallocatechin gallate to maximize such effects. | 01-12-2012 |
20120094175 | NEGATIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND NEGATIVE ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME - A negative electrode for a lithium secondary battery of the present invention includes a negative active material including a plate-shaped carbon powder particle agglomerated in a primary structure in which the plate-shaped particle is oriented in a plane direction and laminated. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the surface. | 04-19-2012 |
20140057176 | SILICON-BASED NEGATIVE ACTIVE MATERIAL, PREPARING METHOD OF PREPARING SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A silicon-based negative active material that includes a core including silicon oxide represented by SiO | 02-27-2014 |
20140234535 | NEGATIVE ACTIVE MATERIAL FOR A RECHARGEABLE LITHIUM BATTERY, A METHOD OF PREPARING THE SAME, AND A RECHARGEABLE LITHIUM BATTERY COMPRISING THE SAME - The present invention relates to a negative active material for a rechargeable lithium battery, which includes a silicon-based composite having a silicon oxide of the form SiO | 08-21-2014 |