Abstract: A unit stack-cell structure and an all-solid-state secondary battery including the same, the unit stack-cell structure includes a plurality of stacked unit cells, each unit cell of the plurality of stacked unit cells including a laminate in which a cathode layer; a solid electrolyte layer; an anode layer; and an elastic layer are sequentially arranged, wherein the elastic layer has a compressive strength of greater than or equal to about 0.28 MPa and less than about 0.6 MPa in a compressibility interval in a range of about 40% to about 70%.

Abstract: A semiconductor package may include: a chip stack including a plurality of semiconductor chips stacked in a vertical direction; vertical interconnectors, each having first ends that are connected to the plurality of semiconductor chips, respectively, and extending in the vertical direction; a molding layer covering the chip stack and the vertical interconnectors while exposing second ends of the vertical interconnectors; landing pads formed over one surface of the molding layer to be in contact with the second ends of the vertical interconnectors, respectively, wherein the landing pads are conductive and overlap the first ends of the vertical interconnectors, respectively; and a package redistribution layer electrically connected to the vertical interconnectors through the landing pads.

Abstract: An electrode structure, a bipolar all-solid secondary battery including the same, and a method of manufacturing the electrode structure are provided. The electrode structure includes: a current collector having a first surface and a second surface, wherein the first surface includes a first portion, a second portion, and an intermediate portion between the first portion and the second portion, the first portion and the second portion are arranged toward the outside in opposite directions to each other around the intermediate portion, and the second surface has an inward-folded structure; a cathode active material layer formed on the first portion of the first surface; an anode active material layer formed on the second portion of the first surface; and a compression pad arranged inside the inward-folded structure of the current collector.

Abstract: A bipolar stack unit cell structure includes: a bicell in which a first anode current collector, a first anode active material layer, a first electrolyte layer, a first cathode active material layer, a cathode current collector, a second cathode active material layer, a second electrolyte layer, a second anode active material layer, and a second anode current collector are sequentially arranged, wherein a plurality of the bicells are stacked, and a compression pad is provided between the first anode current collector and the second anode current collector of adjacent bicells of the plurality of bicells. The bipolar stack unit cell structure absorbs a volume change of an anode and suppresses or reduces a volume change of the entire cell to obtain a stable (or suitable) lifespan, and the capacity and voltage thereof can be freely (or suitably) designed by bipolar connection of the unit cells.

Abstract: An all solid battery includes a cell stack including a negative electrode, a solid electrolyte layer, and a positive electrode, a case to accommodate the cell stack, and a buffer material to pressure the cell stack in the case.

Abstract: A semiconductor package may include: a chip stack including a plurality of semiconductor chips stacked in a vertical direction; vertical interconnectors, each having first ends that are connected to the plurality of semiconductor chips, respectively, and extending in the vertical direction; a molding layer covering the chip stack and the vertical interconnectors while exposing second ends of the vertical interconnectors; landing pads formed over one surface of the molding layer to be in contact with the second ends of the vertical interconnectors, respectively, wherein the landing pads are conductive and overlap the first ends of the vertical interconnectors, respectively; and a package redistribution layer electrically connected to the vertical interconnectors through the landing pads.

Abstract: A battery includes a folded bicell battery stack with an embedded fiber optic cable and sensor. A cell casing encloses the bicell stack with at least one fiber optic cable is embedded within the battery. The fiber optic cable includes an internal portion disposed within the cell casing and having at least one optical sensor disposed thereon. An external portion of the fiber optic cable protrudes from the casing. A sealing gasket is disposed at least partially around the fiber optic cable and between the cell sealing edges at a point of entry of the fiber optic cable into the battery.

Abstract: A battery includes a folded bicell battery stack with an embedded fiber optic cable and sensor. A cell casing encloses the bicell stack with at least one fiber optic cable is embedded within the battery. The fiber optic cable includes an internal portion disposed within the cell casing and having at least one optical sensor disposed thereon. An external portion of the fiber optic cable protrudes from the casing. A sealing gasket is disposed at least partially around the fiber optic cable and between the cell sealing edges at a point of entry of the fiber optic cable into the battery.

Abstract: A battery includes a folded bicell battery stack with an embedded fiber optic cable and sensor. A cell casing encloses the bicell stack with at least one fiber optic cable is embedded within the battery. The fiber optic cable includes an internal portion disposed within the cell casing and having at least one optical sensor disposed thereon. An external portion of the fiber optic cable protrudes from the casing. A sealing gasket is disposed at least partially around the fiber optic cable and between the cell sealing edges at a point of entry of the fiber optic cable into the battery.

Abstract: Disclosed are a cross-linked compound particle and a secondary battery including the same. More particularly, a compound particle which includes a monomer and a polymerization initiator, as a core and a film including a material disappeared at predetermined temperature as a shell is provided.

Abstract: Disclosed is a positive electrode mix for secondary batteries including an irreversible additive. More particularly, provided is a positive electrode mix for secondary batteries including an irreversible additive that decreases irreversible efficiency of a positive electrode active material and a positive electrode.

Abstract: Disclosed herein is a battery including a cell having an electrode laminate and a liquid electrolyte mounted in an internal space of a battery case, a gas discharging member communicating with the internal space of the battery case for discharging gas generated in the cell out of the cell, and a liquid electrolyte injection member communicating with the internal space of the battery case for injecting a liquid electrolyte into internal space of the battery case.

Abstract: Disclosed herein is a battery including a cell having an electrode laminate and a liquid electrolyte mounted in an internal space of a battery case, a gas discharging member communicating with the internal space of the battery case for discharging gas generated in the cell out of the cell, and a liquid electrolyte injection member communicating with the internal space of the battery case for injecting a liquid electrolyte into internal space of the battery case.

Abstract: Disclosed is a positive electrode mix for secondary batteries including an irreversible additive. More particularly, provided is a positive electrode mix for secondary batteries including an irreversible additive that decreases irreversible efficiency of a positive electrode active material and a positive electrode.

Abstract: Disclosed are a cross-linked compound particle and a secondary battery including the same. More particularly, a compound particle which includes a monomer and a polymerization initiator, as a core and a film including a material disappeared at predetermined temperature as a shell is provided.

Abstract: A battery includes a folded bicell battery stack with an embedded fiber optic cable and sensor. A cell casing encloses the bicell stack with at least one fiber optic cable is embedded within the battery. The fiber optic cable includes an internal portion disposed within the cell casing and having at least one optical sensor disposed thereon. An external portion of the fiber optic cable protrudes from the casing. A sealing gasket is disposed at least partially around the fiber optic cable and between the cell sealing edges at a point of entry of the fiber optic cable into the battery.

Abstract: Disclosed is a device and a method for bonding friction material of clutch pulley. The device and method for bonding friction material of clutch pulley can simplify bonding processes by bonding friction material to a clutch pulley of an electromagnetic clutch for a compressor with a liquid phase adhesive, and improve productivity and prevent bonding error of the friction material by automatically inspecting a coated condition of the liquid phase adhesive.

Abstract: Disclosed is a device and a method for bonding friction material of clutch pulley. The device and method for bonding friction material of clutch pulley can simplify bonding processes by bonding friction material to a clutch pulley of an electromagnetic clutch for a compressor with a liquid phase adhesive, and improve productivity and prevent bonding error of the friction material by automatically inspecting a coated condition of the liquid phase adhesive.