SK Innovation

A system, a use of said system, and a method for manufacturing and drying of one or more electrodes for a secondary battery are disclosed. The system (1) includes a coating portion (30) adapted to apply a coating material (6) to a coating substrate (5) travelling along a path; and a drying portion (40) adapted to dry the coating material (6), wherein the drying portion (40) includes at least one Coanda nozzle (71) that is adapted to spray hot air onto one surface of the coating substrate (5), and wherein the Coanda nozzle (71) includes at least one hot-air blocker (90) that is adapted to selectively block a spray port through which hot air is sprayable.

Proposed is an immersion cooling module including a housing (10) in which an inlet (11) for cooling fluid to flow in and an outlet (12) for cooling fluid to flow out are formed, and in which the cooling fluid is accommodated at a predetermined level so as to form an upper space, a cooling chamber (20) coupled to a lower end of the housing (10), and configured to have a chamber inlet (21) through which the cooling fluid flows in and a chamber outlet (22) through which the cooling fluid is discharged, battery cells spaced apart from each other and immersed in the cooling fluid, and cooling fluid passage parts respectively formed in cooling spaces divided by the battery cells, wherein heat transfer members are arranged at predetermined intervals in a direction perpendicular to a flow direction of the cooling fluid.

A catalyst for a Fischer-Tropsch (FT) reaction, which includes a composite carrier containing uniformly dispersed alumina and zeolite and a metal uniformly supported on the composite carrier. Herein, the metal includes Co. The catalyst leads to improved product selectivity. In addition, a method of preparing said catalyst is described.

A copolymer for an anion exchange membrane including a repeating unit represented by Formula 1 below and an anion exchange membrane including the copolymer are provided.in Formula 1, M₁, M₂, L₁, L₂, x and y refer to the definitions as defined herein.

An electrolyte for a lithium secondary battery and a lithium secondary battery are provided. The electrolyte for a lithium secondary battery includes a butyrolactone-based compound including at least one alkenyl group, and a lithium salt. The lithium secondary battery includes an electrode assembly including a cathode and an anode, and the electrolyte for a lithium secondary battery.

According to exemplary embodiments, the lithium secondary battery electrolyte includes a sulfonyl compound including a cyano group and a lithium salt. According to exemplary embodiments, the lithium secondary battery includes an electrode assembly including a cathode and an anode and the electrolyte for a lithium secondary battery. Accordingly, a lithium secondary battery comprising the lithium secondary battery electrolyte has improved high-voltage characteristics and high-temperature stability.

A cathode (100) for a lithium secondary battery and a lithium secondary battery comprising the cathode are provided. The cathode comprises a cathode current collector (105), and a cathode active material layer (110) comprising a cathode active material on at least one surface of the cathode current collector. A G value and measured at a surface of the cathode active material layer is less than 2.0.

Proposed is an immersion cooling module including a housing configured to contain a cooling fluid, and a battery module submerged in the cooling fluid inside the housing, wherein the battery module includes a buffer member provided on stacked surfaces of battery cells and configured to have a buffer space into which an inflow of the cooling fluid is blocked or controllable by a rupture film.

The present disclosure provides a compound including an organic group in which at least one hydrogen is substituted with a halogen atom, an ether group and a multi-aromatic ring, which is represented by Formula 1 below. <img class="EMIRef" id="16771474-7460-45eb-8d4b-d28ea7f945ed-ia01" /> In Formula 1, m and n are each independently an integer of 1 to 6, R<1> is each independently an organic group having 1 to 10 carbon atoms, R<2> is each independently an organic group having 1 to 20 carbon atoms, which includes at least one of an alkylene group and/or an arylene group, X is each independently a halogen atom, and Ars is a multi-aromatic ring having 10 to 50 carbon atoms.

Proposed is a cooling fin including a cooling plate in which a cooling path is formed, and a support plate connected to each of upper and lower ends of the cooling plate, wherein the cooling plate comprises at least one cooling path configured to allow a cooling fluid to flow inside the cooling plate.