Abstract: Disclosed are a membrane-electrode assembly capable of satisfying both of two requirements of excellent performance and high durability, and a fuel cell including same. The membrane-electrode assembly of the present invention comprises: a first electrode; a second electrode; and an electrolyte membrane between the first and second electrodes, wherein the first electrode includes a first segment having a first durability and a second segment having a second durability that differs from the first durability.

Abstract: The present invention relates to a negative electrode which includes a negative electrode current collector, and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes a silicon-based active material and a carbon-based active material, wherein a ratio of an average particle diameter (D50) of the carbon-based active material to an average particle diameter (D50) of the silicon-based active material is in a range of 2 to 8, and a porosity of the negative electrode is in a range of 48% to 62%.

Abstract: The present invention relates to a method of preparing a negative electrode active material which includes forming a mixture by mixing Li2O and SiOx(0<x<2) particles including SiO2, forming a reaction product by performing a heat treatment on the mixture at 400° C. to 600° C., and removing a portion of lithium silicate in the reaction product by washing the reaction product.

Abstract: The present invention is directed to a method for producing induced electricity which prevents a collision by guiding induced electromagnetic force generated from a power generation coil as electricity is produced in the power generation coil to a predetermined location deviating from the path of power generation magnetic force which proceeds to be interlinked with the power generation coil to thus prevent power generation resistance from occurring and also produces electricity by interlinking the induced electromagnetic force with the power generation coil. The present invention is also directed to a “method for producing electricity using the induced electromagnetic force of a power generation coil” which uses an energy source for the production of electricity without conversion, so that there are no loss of energy during an energy conversion process and maintenance and management are easy, thereby reducing costs.

Abstract: Provided are a negative electrode, which includes a current collector and a negative electrode active material layer disposed on the current collector, wherein the negative electrode active material layer includes a conductive material, a negative electrode active material, and a binder, the negative electrode active material includes a silicon-based active material having a convexity of 0.8 or more as measured using a particle shape analyzer, and the convexity is defined by the following Formula 1, and a secondary battery including the negative electrode.

Abstract: Provided are a negative electrode, which includes a current collector and a negative electrode active material layer disposed on the current collector, wherein the negative electrode active material layer includes a conductive material, a negative electrode active material, and a binder, the negative electrode active material includes a silicon-based active material having an elongation of from 0.05 to 0.35 and a circularity of from 0.9 to 0.98 as measured using a particle shape analyzer, and the elongation is defined by the following Formula 1, and a secondary battery including the negative electrode.

Abstract: A semiconductor memory device, and a method of manufacturing the same, includes a lower stack in which a plurality of first interlayer insulating layers and first conductive layers are alternately stacked, a plurality of cell plugs passing through the lower stack in a vertical direction, an upper stack in which a plurality of second interlayer insulating layers and at least one second conductive layer are alternately stacked on the lower stack, a plurality of drain select plugs passing through the upper stack and being in contact with an upper portion of the plurality of cell plugs, and a separation pattern separating adjacent drain select plugs among the plurality of drain select plugs, wherein the separation pattern is in contact with a sidewall of each of the adjacent drain select plugs.

Abstract: Disclosed are a display apparatus, a voice acquiring apparatus and a voice recognition method thereof, the display apparatus including: a display unit which displays an image; a communication unit which communicates with a plurality of external apparatuses; and a controller which includes a voice recognition engine to recognize a user's voice, receives a voice signal from a voice acquiring unit, and controls the communication unit to receive candidate instruction words from at least one of the plurality of external apparatuses to recognize the received voice signal.

Abstract: An apparatus including a user input receiver; a user voice input receiver; a display; and a processor. The processor is configured to: (a) based on a user input being received through the user input receiver, perform a function corresponding to voice input state for receiving a user voice input; (b) receive a user voice input through the user voice input receiver; (c) identify whether or not a text corresponding to the received user voice input is related to a pre-registered voice command or a prohibited expression; and (d) based on the text being related to the pre-registered voice command or the prohibited expression, control the display to display an indicator that the text is related to the pre-registered voice command or the prohibited expression. A method and non-transitory computer-readable medium are also provided.

Abstract: A semiconductor device includes a substrate having a first region and a second region, first active fins that extend in a first direction in the first region, second active fins that extend in the first direction in the second region, a first field insulating layer between the first active fins and that extend in a second direction, a second field insulating layer between the second active fins and extending in the second direction, a gate line that extends in the second direction on the second field insulating layer, the gate line linearly along with the first field insulating layer, a gate isolation layer between the first field insulating layer and the gate line, and gate spacers that extend in the second direction, the gate spacers in contact with both sidewalls of each of the first field insulating layer, the gate line, and the gate isolation layer.

Abstract: A semiconductor device includes a first impurity region on a substrate; a channel pattern protruding from an upper surface of the substrate, the channel pattern extending in a first direction substantially parallel to the upper surface of the substrate; a second impurity region on the channel pattern, the second impurity region covering an entire upper surface of the channel pattern; a gate structure on a sidewall of the channel pattern and the substrate adjacent to the channel pattern; a first contact pattern on the second impurity region; a second contact pattern that is electrically connected to the gate structure; and a spacer between the first contact pattern and the second contact pattern. The spacer completely surrounds the second contact pattern in plan view, and the first contact pattern partially surrounds the second contact pattern in plan view.

Abstract: An all metal wideband tapered slot phase array antenna includes: a ground plate; and a plurality of antennas arranged on the ground plate, wherein each of the antennas includes radiators configured to face each other with respect to a center line, forming an inclined surface that starts from the ground plate and decreases in width in an exponential manner, and having a non-uniform thickness.

Abstract: The present disclosure relates to a method of providing product information, the method including identifying a product corresponding to a request from a user, verifying whether a category of the product is included in a first category for which brand information is additionally provided, identifying, when the product belongs to the first category, logo content mapped based on brand information of the product identified from information on or regarding the product, and providing, in response to the request, a page related to a product in which the brand information of the product including the identified logo content is displayed in a first area.

Abstract: A method performed by a computing device for clustering an image according to an embodiment of the present disclosure includes performing a first clustering on feature vectors of the plurality of images, and performing a second clustering for feature vectors belonging to some clusters that do not satisfy a reference score among clusters formed as a result of the first clustering, wherein a clustering parameter of the second clustering and a clustering parameter of the first clustering are different from each other.

Abstract: The present invention relates to a negative electrode active material including silicon-based oxide particles and a metal distributed on a surface, inside, or on the surface of and the inside the silicon-based oxide particles, wherein compressive fracture strength measured at a pressure of 100 mN is 170 MPa to 380 MPa, and the silicon-based oxide particles contain Si crystal grains having a crystal grain size of 3 nm to 20 nm.

Abstract: The present disclosure relates to an organic electroluminescent device comprising a light-emitting layer and a hole transport zone. By comprising a combination of the specific light-emitting layer and the specific hole transport zone according to the present disclosure, it is possible to produce an organic electroluminescent device having improved driving voltage, luminous efficiency, and/or lifespan characteristics.

Abstract: Provided is an information providing method of an electronic apparatus. The information providing method may include acquiring a search term from a user, identifying at least one first category related to a product corresponding to the search term, identifying a second category corresponding to a subcategory of the first category and an image corresponding to the second category, and displaying a product list corresponding to the search term in a first region and displaying the image and information on the second category in a second region distinct from the first region.

Abstract: A semiconductor device includes a first impurity region, a channel pattern, a second impurity region, a gate structure, a first contact pattern, a second contact pattern and a spacer. The first impurity region may be formed on a substrate. The channel pattern may protrude from an upper surface of the substrate. The second impurity region may be formed on the channel pattern. The gate structure may be formed on a sidewall of the channel pattern and the substrate adjacent to the channel pattern, and the gate structure may include a gate insulation pattern and a gate electrode. The first contact pattern may contact an upper surface of the second impurity region. The second contact pattern may contact a surface of the gate electrode. The spacer may be formed between the first and second contact patterns. The spacer may surround a portion of a sidewall of the second contact pattern, and the spacer may contact a sidewall of each of the first and second contact patterns.