Abstract: A pouch type lithium secondary battery may include an electrode assembly to which an electrode tab is attached; a pouch which includes an aluminum layer and a sealant layer and which encases the electrode assembly so that a portion of the electrode tab is exposed therefrom; a protrusion formed by sealant on a side of the pouch where the electrode tab is not exposed, in melting and flowing toward the electrode assembly then congealing to form a swelling on the pouch; and folds formed by bending a side of the pouch where the electrode tab is not exposed, wherein at least one of the folds includes the protrusion.

Abstract: Disclosed are an electrolyte solution and an additive thereof, which may increase electrochemical properties of a lithium secondary battery.

Abstract: Disclosed are an electrolyte solution and an additive thereof, which may improve electrochemical properties of a lithium secondary battery.

Abstract: Disclosed is a positive electrode material for a lithium secondary battery. The positive electrode material includes a positive electrode active material formed of Li—[Mn—Ti]-M-O-based material including a transition metal (M) to enable reversible intercalation and deintercalation of lithium and molybdenum oxide.

Abstract: Disclosed is an additive for increasing the electrochemical properties of lithium secondary batteries.

Abstract: Disclosed is an additive for improving the electrochemical properties of a lithium secondary battery.

Abstract: Disclosed are a positive electrode for lithium air batteries with excellent stability, a method of manufacturing the same, and a lithium air battery including the same, and a lithium air battery with improved stability by including the positive electrode. The positive electrode may include a conductive material and an ionic liquid such that the process of manufacturing the lithium air battery may be simplified, and the stability of the lithium air battery may be further improved as the result of inhibition of side reactions.

Abstract: Provided is a phthalazinone compound, or a racemate, steroisomer or pharmaceutically acceptable salt thereof; a pharmaceutical composition for the prevention or treatment of Sirt6-associated diseases, including as an active ingredient, a phthalazinone compound, or a racemate, steroisomer or pharmaceutically acceptable salt thereof; and a method for treating Sirt6-associated diseases including administering a phthalazinone compound, or a racemate, steroisomer or pharmaceutically acceptable salt thereof to a subject in need.

Abstract: The present disclosure relates to a gel polymer electrolyte for a lithium-air battery containing a zwitterion salt in a specific amount and to a lithium-air battery including the same and thus having a prolonged battery lifetime, thereby suppressing volatilization of the electrolyte and imparting the lithium-air battery with interfacial stability by inhibiting the formation of dendrites at a lithium anode and suppressing side reactions between the lithium anode and the liquid electrolyte. Moreover, the use of the zwitterion salt can improve the lithium-ion transference number, thereby increasing the lifetime of the battery.

Abstract: Disclosed are an electrolyte membrane for a lithium air battery having good durability, a method of manufacturing the same, and a lithium air battery including the same. The electrolyte membrane for a lithium air battery may include a reinforced membrane and an electrolyte solution and is thus nonvolatile and capable of ensuring sufficient physical strength.

Abstract: A method of mixing a cathode active material in a process of manufacturing a cathode of a lithium secondary battery is provided. The method includes a preparation step of preparing a lithium compound removal solution in which PAA (polyacrylic acid) is mixed with a solvent, a removal step of reacting the lithium compound removal solution with the cathode active material, on a surface of which a lithium compound is present, thus removing the lithium compound present on the surface of the cathode active material, and a mixing step of mixing the cathode active material, which is mixed with the lithium compound removal solution, with a conductive material and a binder.

Abstract: Disclosed are a secondary battery positive electrode including a ferroelectric component and a method of manufacturing the same. The method of manufacturing the secondary battery positive electrode may use a low-priced material as the ferroelectric, so process efficiency may be improved. In addition, the secondary battery positive electrode includes the ferroelectric, such that the output performance of a secondary battery including the same may be improved while increasing the capacity at a high charge rate of the secondary battery.

Abstract: The electrolyte solution for a lithium secondary battery includes: a lithium salt; a solvent; and an anode additive including 5-(4-cyanophenyl)-1-(4-fluorobenzyl)-1H-1,2,3-triazole-4-carbonitrile represented by Chemical Formula 1 below:

Abstract: The electrolyte for a lithium secondary battery includes: a lithium salt; a solvent; and a functional additive, wherein the functional additive includes: at least one high-voltage additive selected from a group consisting of lithium bis(phthalato)borate, represented by the following formula 1; hexafluoroglutaric anhydride, represented by the following formula 2; and phosphoric acid tris(2,2,2-trifluoroethyl)ester, represented by the following formula 3:

Abstract: The present disclosure relates to a gel polymer electrolyte for a lithium-air battery containing a zwitterion salt in a specific amount and to a lithium-air battery including the same and thus having a prolonged battery lifetime, thereby suppressing volatilization of the electrolyte and imparting the lithium-air battery with interfacial stability by inhibiting the formation of dendrites at a lithium anode and suppressing side reactions between the lithium anode and the liquid electrolyte. Moreover, the use of the zwitterion salt can improve the lithium-ion transference number, thereby increasing the lifetime of the battery.

Abstract: Disclosed are an electrolyte membrane for a lithium air battery having good durability, a method of manufacturing the same, and a lithium air battery including the same. THe electrolyte membrane for a lithium air battery may include a reinforced membrane and an electrolyte solution and is thus nonvolatile and capable of ensuring sufficient physical strength.

Abstract: A lithium air battery comprising a plurality of unit cells which have different diameters, each unit cell comprises: electrodes including: a disc-shaped positive electrode having a first air flow path passing through the positive electrode in a vertical direction of the lithium air battery and one or more electrolyte flow paths on the positive electrode in a horizontal or vertical direction of the lithium air battery; and an negative electrode having a second air flow path passing through the negative electrode in the vertical direction to coincide with the first air flow path; and a separator disposed between the positive electrode and the negative electrode. The unit cells are stacked in the vertical direction within a stack cell tank such that a diffusion layer is disposed between the respective unit cells.

Abstract: Disclosed are a positive electrode for lithium air batteries with excellent stability, a method of manufacturing the same, and a lithium air battery including the same, and a lithium air battery with improved stability by including the positive electrode. The positive electrode may include a conductive material and an ionic liquid such that the process of manufacturing the lithium air battery may be simplified, and the stability of the lithium air battery may be further improved as the result of inhibition of side reactions.

Abstract: A lithium-air battery system using a vortex tube is provided, in which the vortex tube is connected to an oxygen supply port of a lithium-air battery having a stack form. A high-temperature gas generated in the vortex tube is supplied to the lithium-air battery to induce a stimulating reaction and simultaneously, a low-temperature gas generated in the vortex tube is supplied to a cooling path in the lithium-air battery to realize efficient cooling of the lithium-air battery.

Abstract: A lithium-air battery system using a vortex tube is provided, in which the vortex tube is connected to an oxygen supply port of a lithium-air battery having a stack form. A high-temperature gas generated in the vortex tube is supplied to the lithium-air battery to induce a stimulating reaction and simultaneously, a low-temperature gas generated in the vortex tube is supplied to a cooling path in the lithium-air battery to realize efficient cooling of the lithium-air battery.