Abstract: The present application relates to a separation membrane and a lithium-sulfur battery including the same, and the separation membrane according to the present application prevents elution of lithium polysulfide in a cathode and suppresses growth of a lithium dendrite generated in an anode, and thus has an effect that a life-span and safety of the battery are improved.

Abstract: The present invention provides a lithium-air battery comprising: an air electrode using oxygen as a positive electrode active material; a negative electrode which is disposed apart from the positive electrode; and a separator which is immersed in an electrolyte disposed between the positive electrode and the negative electrode, wherein the air electrode comprises a gas diffusion layer coated with a conductive material, and the separator has a part coated with the conductive material.

Abstract: The present invention relates to a novel pseudoceramide compound, and more particularly, to a novel pseudoceramide compound represented by formula 1 and having skin moisturizing and barrier function characteristics, and a skin topical composition comprising the pseudoceramide compound: wherein R1 represents a linear C12-C18 alkyl group and has at least one double bond, and R2 represents a linear C12-C22 alkyl group and has a double bond.

Abstract: The present disclosure relates to a lithium electrode, comprising an electrode composite comprising a porous metallic current collector, and lithium metal inserted into pores present in the metallic current collector; and a protective membrane for lithium ion conduction, the protective membrane being formed on at least one surface of the electrode composite. The lithium electrode according to the present disclosure can increase contact surface between lithium metal and a current collector to improve the performances of a lithium secondary battery, and can exhibit uniform electron distribution therein to prevent the growth of lithium dendrites during the operation of a lithium secondary battery, thereby improving the safety of a lithium secondary battery.

Abstract: The present invention relates to a method of differentiating mesenchymal stem cells or adult stem cells into nerve cells by treating the mesenchymal stem cells or the adult stem cells with an electromagnetic field having a high intensity of 100 to 1,500 mT and a low frequency of 0.01 to 100 Hz. The present invention also relates to a medical device to which the method is applied. The method of differentiating nerve cells by using a magnetic field, and a composition according to the present invention induce the differentiation of adult stem cells into nerve cells by using a low-frequency, high-intensity electromagnetic field, so that nerve cells or neural stem cells can easily be differentiated through only electromagnetic field treatment in a short time.

Abstract: A message service providing method for a message service linked to a search service and a message server and a user terminal for performing the method are disclosed. The message service providing method includes identifying an instant message input through a message input box of a message application switching from a chat mode to a search mode or a suggested search word selected from suggested search words in a suggested search word list displayed in conjunction with the message input box, transferring, to a search server, a search request for a search word including a whole or a portion of the identified instant message or suggested search word in response to a user input provided to the message application, receiving search result data derived through the search word.

Abstract: An operating method of a data storage device includes receiving a write request, determining whether it is possible to perform a first write operation of simultaneously writing a plurality of bits in each of memory cells coupled to one word line of a nonvolatile memory apparatus, and performing a garbage collection operation for the nonvolatile memory apparatus, according to a determination result, and generating first merged data.

Abstract: The present application relates to a separation membrane and a lithium-sulfur battery including the same, and the separation membrane according to the present application prevents elution of lithium polysulfide in a cathode and suppresses growth of a lithium dendrite generated in an anode, and thus has an effect that a life-span and safety of the battery are improved.

Abstract: The present disclosure relates to a positive electrode for a lithium-air battery and a method for preparing the same, and the positive electrode for a lithium-air battery according to the present disclosure has advantages in that it improves electrical conductivity and mechanical strength of an electrode, and increases loading amounts.

Abstract: The present application relates to a cathode for a lithium-sulfur battery and a method of preparing the same. A cathode for a lithium-sulfur battery according to an exemplary embodiment of the present application includes: a cathode active part including a sulfur-carbon composite; and a cathode coating layer provided on at least a portion of a surface of the cathode active part and including an inorganic oxide.

Abstract: Disclosed are an electrode assembly for sulfur-lithium ion batteries that uses a lithium-containing compound as a cathode active material and a sulfur-containing compound as an anode active material and a sulfur-lithium ion battery including the same.

Abstract: An operating method of a data storage device includes receiving a write request, determining whether it is possible to perform a first write operation of simultaneously writing a plurality of bits in each of memory cells coupled to one word line of a nonvolatile memory apparatus, and performing a garbage collection operation for the nonvolatile memory apparatus, according to a determination result, and generating first merged data.

Abstract: The present invention provides a battery management apparatus and method which connect a plurality of batteries having different energy densities to each other and control power supplied through the plurality of batteries to control the driving of the driving body.

Abstract: The present disclosure relates to an electrolyte solution for a zinc-air battery and a zinc-air battery comprising the same. The zinc-air battery according to the present disclosure can be continuously charged and discharged, and thus can be used as a secondary battery.

Abstract: The present invention relates to a cathode active material for a lithium-sulfur battery and a method of preparing the same, and more particularly, to a cathode active material for a lithium-sulfur battery comprising: an amphiphilic polymer comprising hydrophilicity parts and hydrophobicity parts; and a sulfur-carbon composite, and a method of preparing the same. When a lithium-sulfur battery is prepared using the cathode active material, there is an effect which may enhance the electric conductivity in an electrode, cycle characteristics and capacity.

Abstract: The present disclosure relates to a lithium electrode, comprising an electrode composite comprising a porous metallic current collector, and lithium metal inserted into pores present in the metallic current collector; and a protective membrane for lithium ion conduction, the protective membrane being formed on at least one surface of the electrode composite. The lithium electrode according to the present disclosure can increase contact surface between lithium metal and a current collector to improve the performances of a lithium secondary battery, and can exhibit uniform electron distribution therein to prevent the growth of lithium dendrites during the operation of a lithium secondary battery, thereby improving the safety of a lithium secondary battery.

Abstract: A touch screen device and an operating method are provided in which only a specific position on a touch screen is activated to receive signals. The touch screen device includes a screen including a display configured to display menu images thereon and a detector configured to detect a screen touch, and a controller configured to control operations of the device according to the screen touch detected by the detector. The controller may cause the detector to be divided into an execution area configured to execute a menu when the menu placed on the execution area is touched, and a selection area configured to sequentially move the menu images to the execution area when the selection area is touched. Alternatively, the controller may cause the detector to be divided into a moving area configured to move a menu from a touch point along a drag line while the menu is dragged, and an execution area configured to execute the relevant menu when the touch on the execution area is released.

Abstract: A touch screen device and an operating method are provided in which only a specific position on a touch screen is activated to receive signals. The touch screen device includes a screen including a display configured to display menu images thereon and a detector configured to detect a screen touch, and a controller configured to control operations of the device according to the screen touch detected by the detector. The controller may cause the detector to be divided into an execution area configured to execute a menu when the menu placed on the execution area is touched, and a selection area configured to sequentially move the menu images to the execution area when the selection area is touched. Alternatively, the controller may cause the detector to be divided into a moving area configured to move a menu from a touch point along a drag line while the menu is dragged, and an execution area configured to execute the relevant menu when the touch on the execution area is released.

Abstract: A touch screen device and operating method thereof are provided. The touch screen device includes a screen including a display configured to display images thereon and a detector configured to detect a user touch and movement thereof, a storage device configured to store image information corresponding to the movement, and a controller configured to retrieve and display an image corresponding to the detected drag. The image may include at least one of a trace image representing a moving trajectory, an icon image, or a text image.

Abstract: A touch screen device and operating method thereof are provided. The touch screen device includes a screen including a display configured to display images thereon and a detector configured to detect a user touch and movement thereof, a storage device configured to store image information corresponding to the movement, and a controller configured to retrieve and display an image corresponding to the detected drag. The image may include at least one of a trace image representing a moving trajectory, an icon image, or a text image.