Abstract: A semiconductor memory device is provided. The semiconductor memory device includes a source layer, a stack structure including a plurality of gate electrodes sequentially stacked apart from one another, on the source layer, a channel structure extending in a first direction penetrating the gate electrodes and connected to the source layer, a cutting pattern extending in a second direction that intersects the first direction, cutting the stack structure, a cell wiring structure on the stack structure, a channel contact connecting the channel structure and the cell wiring structure, between the stack structure and the cell wiring structure and a line pattern extending in the second direction, between the stack structure and the cell wiring structure, and overlapping with the cutting pattern in the first direction, wherein the line pattern is at a same level as the channel contact.

Abstract: An electrolyte injection O-ring and a cylindrical battery manufacturing method using the same are provided. The electrolyte injection O-ring includes a body portion having an open top end and an open bottom end and defining a cavity along a central axis; and a diameter-enlarged portion extending from a lower portion of the body portion along a centrifugal direction and the central axis direction. The diameter-enlarged portion includes an outer circumferential surface surrounding the central axis. The diameter-enlarged portion deforms elastically when pressure is applied in the axial direction, so that a diameter of the outer circumferential surface increases in the centrifugal direction.

Abstract: An injector inlet structure for injecting an electrolyte solution to a battery cell includes a closed-loop shaped outer ring configured to define an inner region; a momentum reduction portion disposed at a center portion of the inner region, spaced apart from the outer ring, to collide with electrolyte solution injected to the center portion of the inner region among the electrolyte solution injected through the inner region; and at least one connection member extending from the outer ring toward a center of the outer ring to be connected to the momentum reduction portion.

Abstract: The present disclosure relates to an energy storage device comprising: a housing for accommodating an electrolyte; an electrode element accommodated inside the housing; a case coupled to one side of the housing; and an electrode terminal inserted into the case so as to be electrically connected to the electrode element, wherein the case comprises: a base part having a through-hole into which the electrode terminal is inserted; and a sealing part coupled to the base part so as to seal the space between the base part and the electrode terminal, and the sealing part includes a terminal sealing member located at the through-hole so as to come into close contact with the electrode terminal, thereby sealing the space between the base part and the electrode terminal.

Abstract: A cylindrical secondary battery, a battery pack, and a vehicle are provided. The cylindrical secondary battery includes an electrode assembly having a first electrode tab at a first end of the electrode assembly a battery can configured to accommodate the electrode assembly through an opening portion formed at one side of the battery can, a current collecting plate including three or more tab coupling portions electrically connected to the first electrode tab, and a can coupling portion extending from ends of the tab coupling portions toward the opening portion of the battery can and having a continuous outer peripheral surface electrically connected to an inner surface of the battery can, and a top cap configured to cover the opening portion of the battery can.

Abstract: A multi-roller system includes at least two pairs of rollers, in which the at least two pairs of rollers rotate about independent rotation axes, respectively. Changes in heights of the at least two pairs of rollers are controlled. Cross-sections of the at least two pairs of more of rollers have different shapes. The at least two pairs of rollers approach and press the battery can at intervals between the at least two pairs of rollers.

Abstract: The present disclosure relates to an energy storage device comprising: a housing for accommodating an electrolyte; an electrode element accommodated inside the housing; a case coupled to one side of the housing; and an electrode terminal inserted into the case so as to be electrically connected to the electrode element, wherein the case comprises: a base part having a through-hole into which the electrode terminal is inserted; and a sealing part coupled to the base part so as to seal the space between the base part and the electrode terminal, and the sealing part includes a terminal sealing member located at the through-hole so as to come into close contact with the electrode terminal, thereby sealing the space between the base part and the electrode terminal.

Abstract: The present disclosure relates to an energy storage device improved in reliability and durability. The energy storage device includes: an electrode element including an anode plate, a separator, and a cathode plate; a housing configured to accommodate the electrode element; a terminal plate configured to cover an opened top surface of the housing; and electrode terminals protruding to an outside of the terminal plate and including an anode terminal, a cathode terminal, and two terminal pins. The terminal plate includes a metal member and a sealing member that surrounds a top surface and a bottom surface of the metal member, and an outermost side surface between the top surface and the bottom surface, and the sealing member includes an outer upper horizontal portion, an outer lower horizontal portion, and an outer vertical portion disposed between the housing and the metal member.

Abstract: An electric energy storage device in which a cell assembly having electrode leads is installed in a metal case. The electric energy storage device includes an internal terminal formed with a support, connection ribs and thorough portions, and the electrode leads include a part of electrode leads compressed by the support and the connection ribs of the internal terminal and a part of electrode leads located at the thorough portions of the internal terminal to maintain a shape thereof.

Abstract: An electric energy storage device has an inner terminal disposed in a cylindrical metal case and connected to an electrode of a bare cell, wherein the inner terminal includes a plate-shaped terminal body having a circular outer circumference; at least one electrolyte impregnation hole formed through the terminal body in a thickness direction; a flange located at the outer circumference of the terminal body and extending perpendicular to a plane of the terminal body; and a spacer formed to protrude at a periphery of at least one impregnation hole among the impregnation holes or formed by protruding a part of the plane of the terminal body.

Abstract: An electric energy storage device in which a cell assembly having electrode leads is installed in a metal case. The electric energy storage device includes an internal terminal formed with a support, connection ribs and thorough portions, and the electrode leads include a part of electrode leads compressed by the support and the connection ribs of the internal terminal and a part of electrode leads located at the thorough portions of the internal terminal to maintain a shape thereof.

Abstract: An electric energy storage device has an inner terminal disposed in a cylindrical metal case and connected to an electrode of a bare cell, wherein the inner terminal includes a plate-shaped terminal body having a circular outer circumference; at least one electrolyte impregnation hole formed through the terminal body in a thickness direction; a flange located at the outer circumference of the terminal body and extending perpendicular to a plane of the terminal body; and a spacer formed to protrude at a periphery of at least one impregnation hole among the impregnation holes or formed by protruding a part of the plane of the terminal body.