Abstract: The present invention relates to a conducting material composition which is allowed to provide an electrode having a higher content of uniformly dispersed carbon nanotubes, thereby providing a lithium rechargeable batteryelectrode having more improved electrical characteristics and life characteristics, a slurry composition for forming a lithium rechargeable batteryelectrode using the same, and a lithium rechargeable battery. The conducting material composition includes carbon nanotube; and a dispersing agent including a plurality of polyaromatic hydrocarbon oxides, in which the dispersing agent contains the polyaromatic hydrocarbon oxides having a molecular weight of 300 to 1000 in an amount of 60% by weight or more.

Abstract: Disclosed herein is a cylindrical battery cell configured such that an electrode assembly, having a structure in which a positive electrode and a negative electrode are wound in the state in which a separator is interposed between the positive electrode and the negative electrode, is mounted in a cylindrical can in the state of being impregnated with an electrolytic solution, wherein an inner layer and an outer layer, each of which is made of stainless steel, are formed in at least a portion of the cylindrical can, and wherein a reinforcement layer is interposed between the inner layer and the outer layer, the reinforcement layer being made of a different metal than the inner layer and the outer layer.

Abstract: A battery pack includes an electrode assembly having a cathode, an anode, and a separator interposed therebetween, a first pack case having the electrode assembly and an electrolyte disposed therein, a second pack case with the first pack case disposed therein and a portion of the interior surface separated from the first pack case exterior surface, a fire extinguishing agent disposed between the exterior surface of the first pack case and the interior surface of the second pack case and a cap assembly that simultaneously seals an open surface of the first and second pack cases when the first pack case is disposed in the second pack case. A first venting portion is configured to open to enable the fire extinguishing agent to flow into the interior of the first pack case when the pressure within the first pack case is equal to or greater than a critical pressure.

Abstract: Disclosed is an electrode active material for a lithium secondary battery including a first material including a carbon material, a second material of a nanostructure formed on the first material, the second material including at least one selected from a metal and a metalloid capable of reversibly alloying with lithium, and a third material present on a surface of at least one of the first material and the second material to control a side reaction with an electrolyte solution, an electrode including the electrode active material, and a lithium secondary battery having the electrode.

Abstract: A method of outputting color code for data communication to a display screen, the method includes determining a plurality of sections having a predetermined order of a display screen, mapping the plurality of sections to different binary numbers each having at least one-bit length, and outputting a predetermined color to consecutive sections including at least a first section among the plurality of sections in a direction of the predetermined order or a reverse direction of the predetermined order. The color output to the consecutive sections represents binary numbers in which ‘0’ or ‘1’ is added to a front or end of designated binary numbers in the direction of the predetermined order or the reverse direction of the predetermined order, the designated binary numbers mapped to a last section among the consecutive sections in the direction of the predetermined order or the reverse direction of the predetermined order.

Abstract: The present invention relates to a method for preparing carbon nanotubes which are capable of more effectively preparing carbon nanotubes having a uniform and fine size, and a dispersion composition of carbon nanotubes obtained using the same. The method for preparing carbon nanotube comprises the steps of: forming a dispersion comprising carbon nanotube bundles, a dispersant and a solvent; and enabling the dispersion to consecutively pass through a high pressure homogenizer, wherein the dispersant is a mixture of plural kinds of polyaromatic hydrocarbon oxides, and the carbon nanotube bundles are pulverized or disentangled while passing through a microchannel of the high pressure homogenizer under a shear force to form carbon nanotubes.

Abstract: The present invention relates to a negative electrode for a secondary battery, an electrode assembly comprising same, and a secondary battery comprising the electrode assembly, the negative electrode comprising: a current collector; and a negative electrode active material layer on one or more sides of the current collector, wherein the negative electrode active material layer comprises an amphiphilic polymer and a negative electrode active material having graphite on which an amorphous carbon coating layer is formed.

Abstract: A method of preparing a negative electrode active material of the present invention includes mixing a lithium precursor and a titanium precursor, and sintering the precursor mixture to prepare a lithium titanium-based active material including a lithium titanium oxide, wherein a residual amount of lithium in the lithium titanium-based active material is 2,000 ppm or less based on a total amount of the lithium titanium-based active material. The preparation method allows the residual amount of lithium to be 2,000 ppm or less in a range, in which rate capability is not significantly reduced, by appropriately controlling sintering temperature, wherein the method may provide a lithium secondary battery, in which an amount of gas generated is extremely small even if stored at high temperature, a thickness expansion rate is consequently considerably low, and, simultaneously, the rate capability is also excellent.

Abstract: Provided is a positive electrode material slurry for secondary battery including a positive electrode active material, a conductive agent, a binder, and a solvent, wherein the conductive agent includes a first conductive agent and a second conductive agent having different particle shapes and sizes. Since the conductive agent of the present invention may be uniformly dispersed in the positive electrode active material by including a point-type conductive agent, as the first conductive agent, and carbon nanotubes (CNTs) subjected to a grinding process as the linear second conductive agent, conductivity of an electrode to be prepared may be improved and a secondary battery having improved high-rate discharge capacity characteristics may be provided.

Abstract: Disclosed herein is a cylindrical battery cell configured such that an electrode assembly, having a structure in which a positive electrode and a negative electrode are wound in the state in which a separator is interposed between the positive electrode and the negative electrode, is mounted in a cylindrical can in the state of being impregnated with an electrolytic solution, wherein an inner layer and an outer layer, each of which is made of stainless steel, are formed in at least a portion of the cylindrical can, and wherein a reinforcement layer is interposed between the inner layer and the outer layer, the reinforcement layer being made of a different metal than the inner layer and the outer layer.

Abstract: A method of outputting color code for data communication to a display screen, the method includes determining a plurality of sections having a predetermined order of a display screen, mapping the plurality of sections to different binary numbers each having at least one-bit length, and outputting a predetermined color to consecutive sections including at least a first section among the plurality of sections in a direction of the predetermined order or a reverse direction of the predetermined order. The color output to the consecutive sections represents binary numbers in which ‘0’ or ‘1’ is added to a front or end of designated binary numbers in the direction of the predetermined order or the reverse direction of the predetermined order, the designated binary numbers mapped to a last section among the consecutive sections in the direction of the predetermined order or the reverse direction of the predetermined order.

Abstract: The present invention relates to a negative electrode for a secondary battery, an electrode assembly comprising same, and a secondary battery comprising the electrode assembly, the negative electrode comprising: a current collector; and a negative electrode active material layer on one or more sides of the current collector, wherein the negative electrode active material layer comprises an amphiphilic polymer and a negative electrode active material having graphite on which an amorphous carbon coating layer is formed.

Abstract: A system for detecting a light emitting apparatus, the system including a light emitting apparatus for emitting a color, a camera configured to obtain a source image that includes a target object having the color, a memory apparatus storing software configured to detect the target object by generating a noise image by adding an additive color to the source image, detecting objects in a YCbCgCr image and an HSV image with respect to the noise image by using respective threshold values of the YCbCgCr image and the HSV image, and combining the YCbCgCr image and the HSV image in which the objects have been detected, and a control circuit configured to detect the target object in the source image by using the software.

Abstract: A method of outputting color code for data communication to a display screen, the method includes determining a plurality of sections having a predetermined order of a display screen, mapping the plurality of sections to different binary numbers each having at least one-bit length, and outputting a predetermined color to consecutive sections including at least a first section among the plurality of sections in a direction of the predetermined order or a reverse direction of the predetermined order. The color output to the consecutive sections represents binary numbers in which ‘0’ or ‘1’ is added to a front or end of designated binary numbers in the direction of the predetermined order or the reverse direction of the predetermined order, the designated binary numbers mapped to a last section among the consecutive sections in the direction of the predetermined order or the reverse direction of the predetermined order.

Abstract: The present invention relates to an anode for a cable-type secondary battery, more specifically an anode for a cable-type secondary battery, comprising a spiral electrode consisting of at least two wire-type electrodes which are spirally twisted with each other, each of the wire-type electrodes comprising a wire-type current collector, an anode active material layer formed by coating on the outer surface of the wire-type current collector, and a polymer resin layer formed by coating on the outer surface of the anode active material layer; and a cable-type secondary battery comprising the anode. The anode for a cable-type secondary battery according to the present invention comprises a polymer resin layer formed by coating on the outer surface of an anode active material layer, thereby preventing the release of the anode active material layer from a wire-type current collector and eventually preventing the deterioration of battery performances.

Abstract: A battery pack includes an electrode assembly having a cathode, an anode, and a separator interposed therebetween, a first pack case having the electrode assembly and an electrolyte disposed therein, a second pack case with the first pack case disposed therein and a portion of the interior surface separated from the first pack case exterior surface, a fire extinguishing agent disposed between the exterior surface of the first pack case and the interior surface of the second pack case and a cap assembly that simultaneously seals an open surface of the first and second pack cases when the first pack case is disposed in the second pack case. A first venting portion is configured to open to enable the fire extinguishing agent to flow into the interior of the first pack case when the pressure within the first pack case is equal to or greater than a critical pressure.

Abstract: Provided is a positive electrode material slurry for secondary battery including a positive electrode active material, a conductive agent, a binder, and a solvent, wherein the conductive agent includes a first conductive agent and a second conductive agent having different particle shapes and sizes. Since the conductive agent of the present invention may be uniformly dispersed in the positive electrode active material by including a point-type conductive agent, as the first conductive agent, and carbon nanotubes (CNTs) subjected to a grinding process as the linear second conductive agent, conductivity of an electrode to be prepared may be improved and a secondary battery having improved high-rate discharge capacity characteristics may be provided.

Abstract: The present disclosure provides a cable-type secondary battery, comprising: an inner electrode; and a sheet-form laminate of separation layer-outer electrode, spirally wound to surround the outer surface of the inner electrode, the laminate being formed by carrying out compression for the integration of a separation layer for preventing a short circuit, and an outer electrode. According to the present disclosure, the electrodes and the separation layer are compressed and integrated to minimize ununiform spaces between the separation layer and the outer electrode and reduce the thickness of a battery to be prepared, thereby decreasing resistance and improving ionic conductivity within the battery. Also, the separation layer coming into contact with the electrodes absorbs an electrolyte solution to induce the uniform supply of the electrolyte solution into the outer electrode active material layer, thereby enhancing the stability and performances of the cable-type secondary battery.

Abstract: Disclosed is a cable-type secondary battery including an inner electrode including an inner current collector and an inner electrode active material layer formed surrounding an outer surface of the inner current collector, a separation layer formed surrounding an outer surface of the inner electrode to insert the inner electrode inside, an outer electrode active material structure formed surrounding an outer surface of the separation layer to insert the separation layer inside, the outer electrode active material structure including a porous polymer support and an outer electrode active material layer formed on at least one of an upper surface and a lower surface of the porous polymer support, and an outer electrode including an outer current collector formed surrounding the outer electrode active material structure to insert the outer electrode active material structure inside.

Abstract: A system for detecting a light emitting apparatus, the system including a light emitting apparatus for emitting a color, a camera configured to obtain a source image that includes a target object having the color, a memory apparatus storing software configured to detect the target object by generating a noise image by adding an additive color to the source image, detecting objects in a YCbCgCr image and an HSV image with respect to the noise image by using respective threshold values of the YCbCgCr image and the HSV image, and combining the YCbCgCr image and the HSV image in which the objects have been detected, and a control circuit configured to detect the target object in the source image by using the software.