Patent application number | Description | Published |
20110091770 | RECHARGEABLE BATTERY, BIPOLAR ELECTRODE, AND METHOD OF MANUFACTURING RECHARGEABLE BATTERY - A rechargeable battery that can have high energy density and high power density. The rechargeable battery includes: bipolar electrodes including a current collector, a sealing layer that is formed at the edge of the current collector, a first electrode active material layer that is inserted into a space in that is formed within the sealing layer, and a second electrode active material layer that is formed at the opposite side of the first electrode active material layer; and a separator that is disposed between the bipolar electrodes, wherein the sealing layer is bonded with the sealing layer of neighboring bipolar electrodes. | 04-21-2011 |
20110274973 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - The positive active material for a rechargeable lithium battery includes a composite material of a microporous carbon-based material and a lithium composite compound and a carbon layer on the surface of the composite material. | 11-10-2011 |
20110311431 | CRYSTALLINE CARBONACEOUS MATERIAL WITH CONTROLLED INTERLAYER SPACING AND METHOD OF PREPARING SAME - A crystalline carbon material with controlled interlayer spacing and a method of manufacturing the crystalline carbon material are disclosed. The crystalline carbon material has peaks of a (002) plane at 2θ=23°±5.0° and 2θ=26.5°±1.0° when X-ray diffraction is measured using a CuKα ray. The peak height at 2θ=23°±5.0° is higher than the one at 2θ=26.5°±1.0°. | 12-22-2011 |
20120003534 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY WITH HIGH VOLTAGE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A positive electrode for a rechargeable lithium battery capable of providing a high voltage and a high voltage rechargeable lithium battery including the same, wherein the positive electrode includes a positive active material and a capacitor-reactive carbonaceous material having a specific surface area at or between 10 m | 01-05-2012 |
20120009473 | NEGATIVE ACTIVE MATERIAL FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY - Disclosed are a negative active material for a secondary lithium battery and a secondary lithium battery including the same. The negative active material for a secondary lithium battery includes an amorphous silicon-based compound represented by the following Chemical Formula 1. | 01-12-2012 |
20120034522 | Active material for rechargeable lithium battery and rechargeable lithium battery - An active material for a rechargeable lithium battery and a rechargeable battery, the active material including an active material core; and a thin film graphite layer on the core. | 02-09-2012 |
20120034523 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material may include a metal oxide in an amount of about 20 wt % or more, and has a specific surface area of about 500 m | 02-09-2012 |
20120045695 | Negative electrode for a rechargeable lithium battery and rechargeable lithium battery including the same - A negative electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative electrode including a negative active material; and a lithium ion adsorbent having a specific surface area of about 10 m | 02-23-2012 |
20120064405 | POSITIVE ACTIVE MATERIAL COMPOSITION AND POSITIVE ELECTRODE FOR ELECTROCHEMICAL DEVICE, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - Disclosed are a positive active material composition for an electrochemical device, a positive electrode, and an electrochemical device including the same. The positive active material composition includes: a carbon-based additive including a hydroxyl group (—OH) and an enol group (—C═C—OH) on the surface, having a peak area ratio (OH/C═COH) of a hydroxyl group peak area and an enol group peak area of an infrared spectroscopy (FT-IR) spectrum ranging from about 0.5 to about 10, having a specific surface area of about 50 m | 03-15-2012 |
20120070745 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes a silicon-containing compound represented by the following Chemical Formula 1. | 03-22-2012 |
20120107687 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed is a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same. The positive electrode includes a current collector; and a positive active material layer disposed on the current collector and including a lithium vanadium oxide-based positive active material represented by the following Chemical Formula 1. | 05-03-2012 |
20120107693 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes a silicon-containing compound represented by the following Chemical Formula 1 where Si exists with a concentration gradient from the surface to the center of the negative active material: | 05-03-2012 |
20120196181 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed are a positive electrode for a rechargeable lithium battery and a rechargeable lithium battery including the same, and the positive electrode includes a current collector; and a positive active material layer including an additive which is Li | 08-02-2012 |
20120301388 | CRYSTALLINE CARBONACEOUS MATERIAL WITH CONTROLLED INTERLAYER SPACING AND METHOD OF PREPARING SAME - A crystalline carbon material with controlled interlayer spacing and a method of manufacturing the crystalline carbon material are disclosed. The crystalline carbon material has peaks of a (002) plane at 2θ=23°±5.0° and 2θ=26.5°±1.0° when X-ray diffraction is measured using a CuKα ray. The peak height at 2θ=23°±5.0° is higher than the one at 2θ=26.5°±1.0°. | 11-29-2012 |
20120321960 | NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD OF PREPARING THE SAME, AND NEGATIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - Provided are A carbon-based material having a FWHM ranging from 2.5° to 6.0° at 2θ ranging from 20° to 30° in a XRD pattern using CuKα ray and a peak area ratio ranging from 1.0 to 100.0 between FWHM at 2θ ranging from 20° to 30° and FWHM at 2θ ranging from 50° to 53°, and a method of manufacturing the carbon-based material, and a negative electrode and a rechargeable lithium battery including the same. | 12-20-2012 |
20130236749 | SECONDARY BATTERY - A secondary battery includes an electrode assembly, a gas collecting member and a battery case. The electrode assembly has first and second electrode plates and a separator interposed between the first and second electrode plates. The gas collecting member is provided adjacent to the electrode assembly. The battery case accommodates the electrode assembly and the gas collecting member. In the secondary battery, the gas collecting member has a first collecting member collecting gas generated in the interior of the battery case and a second collecting member provided to surround the first collecting member. | 09-12-2013 |
20130288114 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - A positive electrode for a rechargeable lithium battery includes a positive active material and activated carbon, wherein an average particle diameter of the activated carbon is about 100% to about 160% relative to 100% of an average particle diameter of the positive active material. | 10-31-2013 |
20130288139 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, a first additive represented by the following Chemical Formula 1, and a second additive represented by the following Chemical Formula 2. | 10-31-2013 |
20140127564 | NEGATIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - A negative electrode for a rechargeable lithium battery includes a current collector and a negative active material layer including a negative active material on the current collector. A rechargeable lithium battery includes the negative electrode. The negative active material includes amorphous carbon with an average aspect ratio of 1.1 to 6, included in an amount of about 55.5 wt % to about 99.5 wt % based on the total weight of the negative active material layer. | 05-08-2014 |
20140178749 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY - In an aspect, a positive active material for a rechargeable lithium battery that includes a first positive active material; and a second positive active material including Li | 06-26-2014 |
20140199587 | POSITIVE ELECTRODE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - In an aspect, a positive electrode for a lithium rechargeable battery including a current collector; a positive active material layer disposed on the current collector, wherein the positive active material layer includes a positive active material, active carbon, and an additive. | 07-17-2014 |
20140342243 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery, the electrolyte including a lithium salt, a non-aqueous organic solvent, a first additive represented by Chemical Formula 1, and a second additive represented by Chemical Formula 2 is disclosed. A rechargeable lithium battery including the electrolyte is also disclosed. The structures and definitions of the Chemical Formulae 1 and 2 are the same as described in the detailed description. | 11-20-2014 |
20150024275 | POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, AND POSITIVE ELECTRODE AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A positive active material for a rechargeable lithium battery includes a porous material including primary particles, and secondary particles including aggregates of a plurality of the primary particles. The porous material has a tap density of 0.3 to less than 1.0 g/cc. A positive electrode includes the positive active material. A rechargeable lithium battery includes the positive electrode including the positive active material. | 01-22-2015 |
Patent application number | Description | Published |
20110134570 | THIN FILM MAGNETIC HEAD HAVING HEATING ELEMENT - A thin film magnetic head is provided, in which the amount of protrusion in the periphery of an element portion can be reduced or a local temperature increase of electrode leads of a heating element can be prevented. The thin film magnetic head includes a playback element disposed between lower and upper shield layers, a recording element laminated on the upper shield layer, a heating element which is disposed below a coil layer and which generates heat to allow the playback element to protrude toward the recording medium side through thermal expansion, and a pair of electrode leads including overlapping regions, which are in contact with rear ends of the heating element and which overlap with the upper shield layer, and heat dissipation regions. Furthermore, connection wiring portions of the pair of electrode leads are disposed in a region sandwiched between the upper shield layer and a magnetic layer. | 06-09-2011 |
20120000284 | HUMIDITY SENSOR PACKAGE AND MANUFACTURING METHOD THEREOF - A humidity sensor package includes: a humidity sensor that is mounted on a main surface of a package substrate and that have a humidity-sensing area; a control IC that is mounted on the main surface of the package substrate; a sealing resin that seals at least an external connection portion of the humidity sensor; and a partition member that partitions a sealing area of the sealing resin and the humidity-sensing area from each other so as to expose the humidity-sensing area to an external environment. Here, a first distance in the thickness direction from the package substrate to the top surface of the partition member is smaller than a second distance in the thickness direction from the package substrate to the top surface of the sealing resin. | 01-05-2012 |
20120000285 | CAPACITIVE TYPE HUMIDITY SENSOR AND MANUFACTURING METHOD THEREOF - A capacitive type humidity sensor is provided, where a sensor chip substrate, with a sensor section where electrostatic capacitance changes in accordance with humidity, a reference section where electrostatic capacitance does not change, and a plurality of pads which are output terminals of each section, and an IC substrate, which is electrically connected to the pads and which outputs the difference in capacitance between the sections as a voltage, are fixed to the same support substrate, where a protective member, which forms a sealed region surrounding the sensor section and which covers the reference section, is provided on the sensor chip substrate, the support substrate is covered by a sealing resin except for the region which is covered by the protective member, the sensor section is exposed to air at the region which is surrounded by the protective member, and the other constituent elements are covered by the sealing resin. | 01-05-2012 |