Abstract: A solid polymer electrolyte composition and a solid polymer electrolyte are disclosed. More particularly, a solid polymer electrolyte composition and a solid polymer electrolyte formed by photocuring the same are disclosed, including a polymer (A) containing alkylene oxide and having one reactive double bond, a multifunctional cross-linkable polymer (B), and an ionic liquid, wherein the ionic liquid includes an amide-based solvent and a lithium salt.

Abstract: The present invention relates to a polymer electrolyte and a method for manufacturing same. More specifically, a polymer electrolyte with improved ion conductivity can be produced by adding boron nitride to a solid electrolyte comprising polysiloxane.

Abstract: A silica coated sulfur-carbon composite including a sulfur-carbon composite and silica particles coated on at least part of a surface of the sulfur-carbon composite, and a method for preparing such silica coated sulfur-carbon composite. The silica-coated sulfur-carbon composite may be used as a positive electrode active material of a lithium-sulfur secondary battery.

Abstract: A negative electrode for a lithium secondary battery, a method of manufacturing the same, and a lithium secondary battery including the same are provided. The negative electrode comprises a plurality of lithium thin films and a salt coating layer, which contains a lithium salt and an additive, formed between the plurality of lithium thin films, and provides improved lifetime characteristics of a battery while maintaining high coulombic efficiency because the lithium salt and the additive being consumed in the electrolyte during operation of the battery are replenished as the salt coating layer dissolves.

Abstract: The present disclosure relates to an electrolyte for a lithium-sulfur battery and a lithium-sulfur battery comprising the same, and more specifically, the electrolyte comprises a first solvent comprising a benzene-based compound and a second solvent comprising 1,3-dioxolane as a non-aqueous organic solvent, thereby suppressing the leaching of lithium polysulfide and thus enabling high capacity and long cycle life of the lithium-sulfur battery.

Abstract: The present disclosure relates to a positive electrode for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery comprising the same. More specifically, since the positive electrode for the lithium secondary battery has a structure comprising a low-loading wet positive electrode active material layer, which does not increase the moisture content in the battery, and a dry positive electrode active material layer prepared by a dry process, it is possible to manufacture a lithium secondary battery with improved capacity, overvoltage and lifetime characteristics, as compared to a battery equipped with a positive electrode comprising only a wet positive electrode active material layer, or only a dry positive electrode active material layer.

Abstract: A capsule for a lithium-sulfur secondary battery, the capsule comprising a core containing a material capable of forming and restoring a solid electrolyte interface layer and a hydrogel; and a shell formed of a polymer and surrounding the core, is provided. The capsule maintains the solid electrolyte interface layer on a negative electrode for a long time by maintaining the material capable of forming and restoring the solid electrolyte interface layer at a constant level during operation of the lithium-sulfur secondary battery.

Abstract: A lithium secondary battery includes a cell stack having one or more unit cells. Each of the one or more unit cells includes a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode. The lithium secondary battery includes a lithium nitrate holder in a solid state, an electrolyte solution, and a battery case. The cell stack, the lithium nitrate holder in the solid state, and the electrolyte solution are in the battery case.

Abstract: An apparatus for manufacturing a positive electrode film and a manufacturing method using the same are provided. A positive electrode film manufactured according to the method, a lithium secondary battery comprising the same, a battery module comprising the same, and a battery pack comprising the same are also provided. The apparatus includes a flattening part, which flattens a positive electrode material in a powder state, and is capable of manufacturing a positive electrode film having a uniform loading amount and a large area easily, and performing a continuous process to improve productivity.

Abstract: An electrolyte for a lithium-sulfur battery including a lithium salt, a non-aqueous organic solvent, and an additive. The non-aqueous organic solvent includes an ether compound and a heterocyclic compound. The heterocyclic compound includes one or more double bonds and comprises an oxygen atom or a sulfur atom. The additive includes a carbonate compound.

Abstract: The present invention relates to a polymer electrolyte and a method for manufacturing same. More specifically, a polymer electrolyte with improved ion conductivity can be produced by adding boron nitride to a solid electrolyte comprising polysiloxane.

Abstract: An image reading apparatus is provided. The image reading apparatus includes a memory to store a character set including characters of similar shape, a scan device to scan a document, and a processor to generate a scan image corresponding to the scanned document, and perform character recognition of the scan image, wherein the processor recognizes the characters of similar shape by using characteristic information of a character included in a word that succeeds in recognition among words including a character included in the character set.

Abstract: A polymer electrolyte and a method for manufacturing the same are disclosed. More specifically, a polymer electrolyte membrane having excellent ionic conductivity and low crosslinking degree can be prepared using a crosslinkable reversible addition fragmentation chain transfer polymerization agent (RAFT agent).

Abstract: A solid polymer electrolyte composition and a solid polymer electrolyte are disclosed. More particularly, a solid polymer electrolyte composition and a solid polymer electrolyte formed by photocuring the same are disclosed, including a polymer (A) containing alkylene oxide and having one reactive double bond, a multifunctional cross-linkable polymer (B), and an ionic liquid, wherein the ionic liquid includes an amide-based solvent and a lithium salt.

Abstract: An image forming apparatus, guide providing method thereof, cloud server and error analyzing method thereof are provided. The image forming apparatus may include a scanner configured to scan a script and generate a scan image, a communicator configured to communicate with a cloud server, a display configured display a screen, and a processor configured to control the communicator to transmit the generated scan image to a cloud server, and in response to receiving an error solution guide of the scan image from the cloud server, control the display to display the received error solution guide.

Abstract: An image forming apparatus includes a communicator which receives a printing data from a printing control terminal, an image former which prints the received printing data, and a processor which determines location change of the image forming apparatus by using at least one of power status of the image forming apparatus and access point information of the access points that can be connected, and controls the communicator to notify the location change to the printing control terminal when the location of the image forming apparatus is determined to be changed.

Abstract: An image forming apparatus, guide providing method thereof, cloud server and error analyzing method thereof are provided. The image forming apparatus may include a scanner configured to scan a script and generate a scan image, a communicator configured to communicate with a cloud server, a display configured display a screen, and a processor configured to control the communicator to transmit the generated scan image to a cloud server, and in response to receiving an error solution guide of the scan image from the cloud server, control the display to display the received error solution guide.

Abstract: An image forming apparatus includes a communicator which receives a printing data from a printing control terminal, an image former which prints the received printing data, and a processor which determines location change of the image forming apparatus by using at least one of power status of the image forming apparatus and access point information of the access points that can be connected, and controls the communicator to notify the location change to the printing control terminal when the location of the image forming apparatus is determined to be changed.

Abstract: An image scanning apparatus includes a storage configured to store an image file, a user interface unit configured to receive selection of the image file stored in the storage and to display a thumbnail image corresponding to each of a plurality of pages contained in the selected image file, and a controller, in response to any one of the displayed thumbnail image being selected for a predetermined time period or more, to perform at least one of order change, delete, and partition of a page corresponding to the thumbnail image selected for the predetermined time period or more to edit the selected image file.

Abstract: A method of transmitting printer information which can inform a host of changed printer information in real time whenever printer information changes and a network printer using the method. The method includes determining whether or not the printer information has changed and transmitting the changed printer information in real time to a communications network or a predetermined program which communicates with the network printer. The network printer includes a printer information change determination circuit which determines changes in printer information, and a changed information notification module which transmits in real time the changed printer information to a communications network or a predetermined program which communicates with the network printer. The changed information notification module transmits the printer information to the communications network or the predetermined program when the network printer is turned on.