Abstract: A negative electrode for a lithium secondary battery includes a carbon-based negative electrode active material and a silicon-based negative electrode active material together as a negative electrode active material. The negative electrode exhibits excellent characteristics of charge and discharge capacity and energy density. Furthermore, the negative electrode has the advantage of exhibiting high charge characteristics and life characteristics during long-term charge and discharge by realizing the alignment (O.Ia) of the carbon-based negative electrode active material after activation in a predetermined range that is lower than the alignment (O.Ir) of the carbon-based negative electrode active material before activation. A lithium secondary battery including the negative electrode is also provided. Further, methods of manufacturing the negative electrode and the lithium secondary battery are also provided.

Abstract: A negative electrode for a lithium secondary battery includes a negative electrode active layer divided into a center region, an edge region, and a sliding region on a negative electrode current collector. The lithium precipitation at the end of the negative electrode active layer can be suppressed by the alignment (O.I) of each carbon-based negative electrode active material contained in the center region, the edge region, and the sliding region satisfying Equation 1 and Equation 2. A secondary battery including the same has the advantage of excellent rapid charging performance. A method of manufacturing the negative electrode is also provided.

Abstract: Disclosed herein relates to a negative electrode for lithium secondary battery and a method for manufacturing the same. The negative electrode has a structure in which a first negative electrode active layer and a second negative electrode active layer are sequentially stacked on a negative electrode current collector. By controlling alignment (O.I) of the carbon-based active material to be lower in the second negative electrode active layer than in the first negative electrode active layer, and by preparing a low percentage of pores in the second negative electrode active layer, it is possible to have a flow path for the electrolyte to move inside the negative electrode active layer even after the rolling process of the negative electrode active layer. The negative electrode also has a high wetting ability to the electrolyte and high energy density.

Abstract: A magnetic alignment device includes a first magnet part and a second magnet part, a thickness measuring part, and a control part. The first and second magnet parts accommodate an electrode sheet therebetween and the thickness measuring part measures a thickness of a negative electrode slurry disposed on the electrode sheet. The control part adjusts the separation distance of the first and second magnet parts. The magnetic alignment device measures the thickness of the negative electrode slurry applied on the negative electrode current collector in real time and controls the intensity of the magnetic field by adjusting the separation distance of the magnet part according to the measured negative electrode slurry thickness, and has an advantage of uniformly high alignment degree of the crystal faces of the carbon-based negative electrode active material contained in prepared negative electrode active layer.

Abstract: A magnetic alignment device includes a first magnet part and a second magnet part, an alignment measuring part, and a control part. The first and second magnet parts accommodate an electrode sheet therebetween and the alignment measuring part measures an alignment of the carbon-based negative electrode active material with respect to the negative electrode current collector. The control part adjusts the separation distance of the first and second magnet parts based on a degree of the alignment of a carbon-based negative electrode active material. The alignment of the negative electrode active layer dried with the magnetically aligned carbon-based negative electrode active material is measured in real time, and the strength of the magnetic field can be controlled by individually adjusting the spacing distance of the unit magnets according to the alignment of the carbon-based negative electrode active material measured. A method of manufacturing the same is also provided.

Abstract: A negative electrode for a lithium secondary battery in which lithium precipitation is suppressed. The negative electrode has a form in which a high degree of alignment of a carbon-based active material contained in a sliding portion of the negative electrode active layer is realized. Accordingly, the negative electrode has an excellent effect of suppressing lithium precipitation at the end of the negative electrode active layer during charging and discharging of the secondary battery, so that a lithium secondary battery including the negative electrode has high safety and can be charged and discharged for a long time under high rate conditions. A lithium secondary battery including the negative electrode is also provided.

Abstract: A negative electrode for a lithium secondary battery in which lithium precipitation is suppressed. The negative electrode implements a high degree of orientation of a carbon-based active material contained in a first region of the negative electrode active layer, so that the effect of suppressing lithium precipitation at an end of the negative electrode active layer during charging and discharging of a secondary battery is excellent. Accordingly, a lithium secondary battery including the negative electrode active layer has high safety, and has the advantage of being able to charge and discharge for a long time under high rate conditions. A lithium secondary battery including the negative electrode is also provided.

Abstract: A negative electrode for a lithium secondary battery in which lithium precipitation is suppressed. The negative electrode has a form in which a high degree of alignment of a carbon-based active material contained in a region apart from the negative electrode tab of the negative electrode is realized. Accordingly, the negative electrode has an excellent effect of suppressing lithium precipitation at the end of the negative electrode active layer during charging and discharging of the secondary battery, so that a lithium secondary battery including the negative electrode has high safety and can be charged and discharged for a long time under high rate conditions. A lithium secondary battery including the negative electrode is also provided.

Abstract: A magnetic alignment device includes a first magnet part and a second magnet part, a thickness measuring part, and a control part. The first and second magnet parts accommodate an electrode sheet therebetween and the thickness measuring part measures a thickness of a negative electrode slurry disposed on the electrode sheet. The control part adjusts the separation distance of the first and second magnet parts. The magnetic alignment device measures the thickness of the negative electrode slurry applied on the negative electrode current collector in real time and controls the intensity of the magnetic field by adjusting the separation distance of the magnet part according to the measured negative electrode slurry thickness, and has an advantage of uniformly high alignment degree of the crystal faces of the carbon-based negative electrode active material contained in prepared negative electrode active layer.

Abstract: A magnetic alignment device includes a first magnet part and a second magnet part, a loading amount measuring part, and a control part. The first and second magnet parts accommodate an electrode sheet therebetween and the loading amount measuring part measures a loading amount of a negative electrode slurry disposed on the electrode sheet. The control part adjusts the separation distance of the first and second magnet parts, The magnetic alignment device measures the loading amount of the negative electrode slurry applied on the negative electrode collector in real time and controls the intensity of the magnetic field by adjusting the separation distance of the magnet part according to the measured negative electrode slurry loading amount. A method using the same is also provided.

Abstract: A magnetic alignment device for negative electrode and method for manufacturing negative electrode using the same. The magnetic alignment device can measure the loading amount of the negative electrode slurry applied on the negative electrode collector in real time and can easily control the intensity of the magnetic field by adjusting the separation distance of the magnet portion according to the measured negative electrode slurry loading amount, and has an advantage of uniformly high alignment degree of the crystal faces of the carbon-based negative electrode active material contained in prepared negative electrode active layer.

Abstract: A seat adjustment apparatus for a vehicle includes a plurality of connection frames provided along two opposite sides of a seat frame and two opposite sides of a back frame and configured to move forward or rearward depending on a folding direction of the back frame, guide parts provided at middle points of the plurality of connection frames and configured to be moved upward or downward by forward or rearward movements of the connection frames, and a seat cushion pipe provided inside the two connection frames and configured such that front ends of the seat cushion pipe are connected to the guide parts, and a position of a rear end of the seat cushion pipe is adjusted upward or downward by upward or downward movements of the guide parts.

Abstract: A display apparatus for and a method of providing to users additional information associated with a broadcasting signal that is being output via the display apparatus are provided. The display apparatus includes a communication unit configured to perform data communication, and a control unit configured to acquire a keyword from content being reproduced by the display apparatus, to acquire user preference information corresponding to a mobile terminal, to acquire a search result corresponding to the acquired keyword, to produce additional information based on the acquired search result and the acquired user preference information, and to provide the additional information to the mobile terminal via the communication unit.

Abstract: Provided is a diaphragm for a high water pressure waterproof microspeaker. The diaphragm for a waterproof microspeaker includes an annular dome portion formed of an elastic membrane material and having a dome portion protruding upward or downward, an annular outer periphery portion attached to an outer periphery of the dome portion and injection-molded with a material having rigidity, an annular inner periphery portion attached to an inner periphery of the dome portion and injection-molded with a material having rigidity, and a center diaphragm attached to a center of the inner periphery portion, wherein the outer periphery portion and the inner periphery portion are attached to an edge portion by double-shot injection molding.

Abstract: A display apparatus for and a method of providing to users additional information associated with a broadcasting signal that is being output via the display apparatus are provided. The display apparatus includes a communication unit configured to perform data communication, and a control unit configured to acquire a keyword from content being reproduced by the display apparatus, to acquire user preference information corresponding to a mobile terminal, to acquire a search result corresponding to the acquired keyword, to produce additional information based on the acquired search result and the acquired user preference information, and to provide the additional information to the mobile terminal via the communication unit.

Abstract: A display apparatus for and a method of providing to users additional information associated with a broadcasting signal that is being output via the display apparatus are provided. The display apparatus includes a communication unit configured to perform data communication, and a control unit configured to acquire a keyword from content being reproduced by the display apparatus, to acquire user preference information corresponding to a mobile terminal, to acquire a search result corresponding to the acquired keyword, to produce additional information based on the acquired search result and the acquired user preference information, and to provide the additional information to the mobile terminal via the communication unit.

Abstract: A display apparatus for and a method of providing to users additional information associated with a broadcasting signal that is being output via the display apparatus are provided. The display apparatus includes a communication unit configured to perform data communication, and a control unit configured to acquire a keyword from content being reproduced by the display apparatus, to acquire user preference information corresponding to a mobile terminal, to acquire a search result corresponding to the acquired keyword, to produce additional information based on the acquired search result and the acquired user preference information, and to provide the additional information to the mobile terminal via the communication unit.

Abstract: A display apparatus for and a method of providing to users additional information associated with a broadcasting signal that is being output via the display apparatus are provided. The display apparatus includes a communication unit configured to perform data communication, and a control unit configured to acquire a keyword from content being reproduced by the display apparatus, to acquire user preference information corresponding to a mobile terminal, to acquire a search result corresponding to the acquired keyword, to produce additional information based on the acquired search result and the acquired user preference information, and to provide the additional information to the mobile terminal via the communication unit.

Abstract: The present disclosure relates to a polysilicon preparation apparatus for preventing ground fault current and having an excellent effect of removing silicon dust. The polysilicon preparation apparatus includes a chamber comprising a housing with an opened lower portion and a base plate coupled to the lower portion of the housing, and a ceramic particle layer on an upper surface of the base plate, for preventing silicon dusts generated during a process from directly contacting the base plate and to be removed together with silicon dusts after the process.

Abstract: A receiver having a diaphragm with improved rigidity includes a frame, a yoke coupled to the frame and forming a bottom surface, a magnet coupled to the yoke, a voice coil having a lower end positioned in an air gap of the magnet, and configured to vibrate up and down by mutual electromagnetic force as a current is applied to the voice coil, a side diaphragm configured to allow the voice coil to be attached to a lower surface of the side diaphragm, a central diaphragm attached to the center of the side diaphragm, and a protector coupled to the frame to cover the frame. The side diaphragm and the central diaphragm have protrusions protruding in mutually opposite directions, and a space is formed between the protrusions of the side diaphragm and the protrusions of the central diaphragm.