Abstract: The present invention relates to a waste battery discharge process for recycling a waste battery, and more particularly, to a process for checking stability, a state of charge, and a remaining life of the waste battery before reusing or recycling the waste battery (battery after use), and safely and cost-effectively discharging the waste battery.

Abstract: The present invention relates to an apparatus and method capable of estimating a battery state of health, and more particularly, provides an apparatus and method for more accurately calculating the state of balance by voltage of a battery to reflect SOC information as well as the voltage distribution of the battery, and measuring the state of health of the battery on the basis of the state of balance by voltage.

Abstract: A pre-lithiation apparatus which prevents an electrode from being damaged by the byproducts produced by contact between a lithium source, such as a lithium metal sheet or lithium metal powder, and an electrolyte for pre-lithiation. The pre-lithiation apparatus includes a first reaction vessel comprising a first electrolyte and a first organic solvent and a second reaction vessel comprising a second electrolyte and a second organic solvent, wherein the first electrolyte of the first reaction vessel and the second electrolyte of the second reaction vessel are linked to each other by a salt bridge. A negative electrode to be pre-lithiated is dipped at least partially in the first electrolyte of the first reaction vessel, and a lithium source capable of supplying lithium ions is dipped at least partially in the second electrolyte of the second reaction vessel.

Abstract: A conversation provision method includes forming a conversation session between an agent and a user; generating an utterance of the agent by using the user's history related to a previous conversation session having been formed before the conversation session; and performing a conversation with the user by providing the utterance of the agent to the user.

Abstract: An aerogel composite having an excellent level of thermal insulation even when compressed and deformed under application of pressure resulting from various causes is provided. The aerogel composite can be used as a thermal insulation material for batteries, electronic devices, automobiles, industrial equipment, structures, or the like.

Abstract: Provided is a polyamide-imide film including: a polyamide-imide resin and a porphyrin-based dye. The polyamide-imide film has excellent optical properties, and, in particular, may maintain an excellent yellow index even in a repeated temperature change environment.

Abstract: A method for pre-lithiation and pre-sodiation of a negative electrode, including the steps of: preparing a negative electrode including a negative electrode current collector, and a negative electrode active material layer on at least one surface of the negative electrode current collector. Then, applying and drying a first composition containing a lithium metal powder, a polymer binder and a dispersion medium onto the negative electrode active material layer to form a lithium metal layer. Next, applying and drying a second composition containing a sodium metal powder, a polymer binder and a dispersion medium onto the lithium metal layer to form a sodium metal layer. Then, dipping the negative electrode having the lithium metal layer and the sodium metal layer in an electrolyte for pre-lithiation and pre-sodiation. A pre-lithiated and pre-sodiated negative electrode obtained by the method and a lithium secondary battery including the same are also disclosed.

Abstract: Provided are an ultrasound diagnosis apparatus connected to wireless ultrasound probes and a method of operating the ultrasound diagnosis apparatus. The ultrasound diagnosis apparatus includes: a communicator connected with a plurality of different wireless probes through a wireless communication method by receiving pairing reception signals from the plurality of wireless ultrasound probes; a controller configured to control the communicator to wirelessly connect the ultrasound diagnosis apparatus with the plurality of wireless ultrasound probes and to wirelessly receive status information regarding the connected plurality of wireless ultrasound probes; and a display configured to display a user interface (UI) indicating the received status information regarding the plurality of wireless ultrasound probes.

Abstract: The present disclosure relates to a composition for the prevention, amelioration or treatment of inflammatory bowel disease, comprising a galacto-oligosaccharide as an active ingredient. The galacto-oligosaccharide composition of the present disclosure has an anti-inflammatory effect of ameliorating DAI and reducing the levels of inflammatory cytokines and MPO in inflammatory bowel disease model mice, and thus can be effectively used as a drug or food for the prevention, amelioration or treatment of inflammatory bowel disease.

Abstract: An aerogel composite has excellent thermal stability and flame retardancy even when exposed to a high-temperature environment for a long period of time.

Abstract: The present embodiment relates to a touch sensing apparatus and a touch sensing method and, more specifically, to a touch sensing apparatus and a touch sensing method, which rapidly and accurately separate a multi-touch in which touch areas are adjacent to each other.

Abstract: A method for pre-lithiation of an electrode, including a first step of providing a pre-lithiation reaction system which includes a first reaction system including lithium metal, a separator, an electrolyte for pre-lithiation and carbon felt, and a second reaction system including the electrolyte for pre-lithiation and an electrode to be pre-lithiated, wherein the lithium metal and the electrode to be pre-lithiated are not in direct contact with each other. The first reaction system and the second reaction system communicate with each other. The first step is followed by a second step of preparing an electrode including an electrode current collector, and an electrode active material layer formed on at least one surface of the electrode current collector; and a third step of allowing the electrode to pass through the second reaction system by a conveying roll to carry out pre-lithiation of the electrode.

Abstract: A mixed refrigerant composition includes carbon dioxide (R-744), 2,3,3,3-tetrafluoropropene (R-1234yf) and 1,1-difluoroethane (R-152a). A content of the carbon dioxide (R-744) ranges from 1 to 10 wt. % based on a total weight of the mixed refrigerant composition, and a content of the 2,3,3,3-tetrafluoropropene (R-1234yf) ranges from 65 to 95 wt. % based on the total weight of the mixed refrigerant composition, and a content of the 1,1-difluoroethane (R-152a) ranges from 1 to 30 wt. % based on the total weight of the mixed refrigerant composition. A boiling point at 1 atm of the mixed refrigerant composition ranges from ?65 to ?30° C.

Abstract: A mixed refrigerant composition includes carbon dioxide (R-744), 2,3,3,3-tetrafluoropropene (R-1234yf) and trifluoroiodomethane (R-13I1). A content of the carbon dioxide (R-744) ranges from 1 to 10 wt. % based on a total weight of the mixed refrigerant composition, and a sum of a content of the 2,3,3,3-tetrafluoropropene (R-1234yf) and a content of the trifluoroiodomethane (R-13I1) ranges from 90 to 99 wt. % based on the total weight of the mixed refrigerant composition. A boiling point at 1 atm of the mixed refrigerant composition ranges from ?76 to ?35° C.

Abstract: A manufacturing method of a window includes: radiating a laser to a glass; immersing a laser-irradiated glass in a KOH solution to form a groove in the glass and to perform a primary reinforcement on the glass; masking the groove of a primarily reinforced glass; and performing a secondary reinforcement on a masked glass.

Abstract: Provided is a method for drying a wet-gel blanket which can have an excellent heat insulation performance by minimizing shrinkage of a gel network structure that occurs during drying, and has excellent drying efficiency versus time, and a method for producing an aerogel blanket using same.

Abstract: A silica sol, a silica aerogel blanket using the same, and a method for manufacturing the same, wherein a hydrophobizing agent, a base catalyst, an organic solvent, and water are included in a catalyst composition when manufacturing the silica aerogel blanket, so that a wet aging step which is performed under high-temperature conditions and increases the amount of a solvent used, surface modification step which uses a large amount of an organic solvent and an expensive surface modifier, resulting in a process that is complex and long and thus inhibiting economic feasibility and productivity, can be omitted.

Abstract: An aerogel composite maintains an excellent level of heat insulation even when compressed and deformed. The aerogel composite can be included in batteries, electronic devices, automobiles, industrial equipment, structures, or the like, as a heat insulation material.

Abstract: An aerogel composite maintains an excellent level of heat insulation properties even when compressed and deformed by being applied with a pressure due to various causes. when applied as a heat insulation material for batteries, electronic devices, automobiles, industrial equipment, structures, or the like.

Abstract: Disclosed are a plasmid comprising dxCas9 and a CRP derivative for controlling the expression of a target gene, a recombinant strain transformed with the plasmid, a preparation method therefor, a target gene control system, and a method for controlling the expression of a target gene, wherein the plasmid, recombinant strain, and expression control system according to the present invention can improve the production of high-value-added substances by construction of a system for simultaneously and multiply controlling the expression of target genes.