Abstract: A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.

Abstract: A battery module includes a plurality of battery cells, a module housing in which a cell stack is received, the cell stack being formed by stacking the plurality of battery cells, an air inlet passing through the module housing on one side of a stack direction of the cell stack, an air outlet passing through the module housing on the other side in the stack direction of the cell stack, and an expandable pad disposed inside of the air inlet and the air outlet to close the air inlet and the air outlet by expansion upon contact with cooling water introduced into the battery module.

Abstract: A battery includes an electrode assembly including a first electrode, second electrode, and a separator between the first electrode and the second electrode, the first electrode including a first region coated with an active material and a second region at a first side and adjacent to the first region, the second region being exposed beyond the separator, and at least part of the second region is an electrode tab; a housing including a first end with a first opening, the housing accommodating the electrode assembly; a first current collector including an edge portion on the electrode assembly, a second region coupling portion extending from the edge portion and coupled with the second region, and a terminal coupling portion spaced apart from the second region coupling portion; and a terminal coupled with the terminal coupling portion.

Abstract: A battery includes an electrode assembly including a first electrode, second electrode, and a separator between the first electrode and the second electrode, the first electrode including a first region coated with an active material and a second region at a first side and adjacent to the first region, the second region being exposed beyond the separator, and at least part of the second region is an electrode tab; a housing including a first end with a first opening, the housing accommodating the electrode assembly; a first current collector including an edge portion on the electrode assembly, a second region coupling portion extending from the edge portion and coupled with the second region, and a terminal coupling portion spaced apart from the second region coupling portion; and a terminal coupled with the terminal coupling portion.

Abstract: A battery can include an electrode assembly, a battery housing, a terminal and a cap. The electrode assembly can have a first electrode, a second electrode and a separator between the first electrode and the second electrode. Each of the first electrode and the second electrode can have a first portion including an active material corresponding to the separator, and a second portion exposed beyond the separator and not coated with the active material. The battery housing can have a first end with a first opening and a second end with a second opening opposite the first end. The terminal can be electrically connected to the second portion of the first electrode and exposed out of the battery housing through the first opening of the battery housing at the first end.

Abstract: A battery, includes an electrode assembly having a first electrode, a second electrode and a separator, wherein each of the first electrode and the second electrode has a first portion including an active material corresponding to the separator, and a second portion exposed beyond the separator and not coated with the active material; a battery housing having a first end with a first opening and a second end with a second opening opposite the first end, the battery housing accommodating the electrode assembly through the second opening at the second end and electrically connected to the second portion of the second electrode; a terminal electrically connected to the second portion of the first electrode and exposed out of the battery housing through the first opening of the battery housing at the first end; and a cap covering and sealing the second opening at the second end of the battery housing.

Abstract: A battery can include an electrode assembly including a first electrode, a second electrode, and a separator between the first electrode and the second electrode. The first electrode can have a pair of first sides and a pair of second sides extending between the pair of first sides, a first portion including an active material extending between the pair of first sides, and a second portion extending between the pair of first sides and exposed beyond the separator along a winding direction. The battery can further include a battery housing having a first opening at a first end and a second end with a second opening opposite the first end, a first current collector including a support portion positioned on the electrode assembly, and a housing cover which seals the first opening.

Abstract: A battery can include an electrode assembly having a first electrode, a second electrode and a separator. The first electrode can include a first active material region coated with an active material layer along a winding direction and a first uncoated region not coated with the active material layer, and at least part of the first uncoated region used as an electrode tab. The battery can further include a first current collector coupled to at least part of the first uncoated region on the electrode assembly, a battery housing to accommodate the electrode assembly and the first current collector, and an insulator between an inner surface of the battery housing facing the first uncoated region or the first current collector and the first uncoated region or the first current collector to block the electrical connection between the first uncoated region and the battery housing.

Abstract: An electrode assembly includes a first electrode; a second electrode; and a separator, the first electrode, the second electrode, and the separator wound about an axis defining a core and an outer circumference of the electrode assembly. The first electrode has a pair of first sides and a pair of second sides, a first portion extending between the pair of first sides, and a second portion extending between the pair of first sides, the first portion being coated with an active material, and at least a part of the second portion includes an electrode tab. The second portion includes a first part adjacent to the core of the electrode assembly, a second part adjacent to the outer circumference of the electrode assembly, and a third part between the first part and the second part. The first or second part has a smaller height than the third part.

Abstract: An electrode assembly, a battery, and a battery pack and a vehicle including the same are provided. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes a first portion coated with an active material and a second portion at a first side and adjacent the first portion, the second portion being exposed beyond the separator along a first axial direction of the electrode assembly. A part of the second portion is bent in a radial direction of the electrode assembly forming a first surface region including stacked layers of the second portion, and in a partial region of the first surface region, a number of the stacked layers of the second portion is 10 or more in the in the first axial direction.

Abstract: A battery includes an electrode assembly including a first electrode, second electrode, and a separator between the first electrode and the second electrode, the first electrode including a first region coated with an active material and a second region at a first side and adjacent to the first region, the second region being exposed beyond the separator, and at least part of the second region is an electrode tab; a housing including a first end with a first opening, the housing accommodating the electrode assembly; a first current collector including an edge portion on the electrode assembly, a second region coupling portion extending from the edge portion and coupled with the second region, and a terminal coupling portion spaced apart from the second region coupling portion; and a terminal coupled with the terminal coupling portion.

Abstract: The present invention relates to a method for sealing a pouch-type secondary battery and may provide a method for sealing a pouch-type secondary battery, the method including: a first sealing process of vertically pressing a sealing area of upper and lower pouches through a sealing apparatus; and a second sealing process of moving the sealing apparatus outward from the inside of the pouch in the state of pressing the sealing area of the upper and lower pouches through the sealing apparatus.

Abstract: Disclosed is a fixing structure of an electrode terminal, and a battery, a battery pack and a vehicle including the same. The fixing structure of an electrode terminal includes a battery housing configured to be opened at one side and have a bottom at the other side in which a perforation hole is formed; an electrode terminal installed through the perforation hole not to contact an inner wall of the perforation hole; and a terminal gasket interposed between the electrode terminal and the perforation hole, and the electrode terminal includes a body portion inserted into the perforation hole; an outer flange portion configured to extend along an outer surface of the bottom of the battery housing from a first side of the body portion; an inner flange portion configured to extend toward an inner surface of the bottom of the battery housing from a second side of the body portion; and a flat portion provided to an inner side of the inner flange portion.

Abstract: A calendering roll press for manufacturing a dry electrode in which a plurality of calendering crown rolls are arranged to stretch a dry electrode sheet, includes a calendaring crown roll including a center roller in which an inner wheel drive shaft protrudes in the longitudinal direction at the center of both sides surface, and a first side roller and a second side roller with inner surfaces facing both side surfaces of the center roller, respectively. The first side roller and the second side roller have hollow outer wheel drive shafts protruding from the center of their outer surfaces in the longitudinal direction through which the inner wheel drive shaft passes, and a motor that independently and rotatably drives the center roller, the first side roller and the second side roller.

Abstract: Discussed is a battery including an electrode assembly having a first electrode, a second electrode and a separator wound about an axis, and each of the first electrode and the second electrode has a first portion including an active material corresponding to the separator, and a second portion exposed beyond the separator and not coated with the active material, a housing having a first end with a first opening and a second end with a second opening opposite the first end, the housing accommodating the electrode assembly, a terminal electrically connected to the second portion of the first electrode and exposed out of the housing through the first opening of the housing at the first end, a cap at the second end of the housing, and an insulating gasket having an extended shape to cover the outer circumferential surface of the terminal.

Abstract: Discussed is a pouch type secondary battery including an electrode assembly in which one or more positive electrode plates and negative electrode plates are stacked, an electrode tap that extends from the electrode assembly, an electrode lead bondingly connected to the electrode tap, and a pouch exterior that surrounds and seals the electrode assembly such that a portion of the electrode lead is exposed. The electrode lead includes a first weld area electrically coupled to the electrode tap. The electrode tap includes a second weld area electrically coupled to the first weld area, an electrode connection part distinguished from the second weld area by a rupture portion connecting area, and electrically connected to the electrode assembly. The rupture portion connecting area connects the second weld area and the electrode connection part, and is ruptured when stress occurs and separates the second weld area from the electrode connection part.

Abstract: An electrode assembly, a battery, a battery pack and a vehicle including the same are provided. The first electrode of the electrode assembly includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction, the first uncoated portion includes a plurality of segments independently bendable along the winding direction and exposed beyond a the separator of the electrode assembly, the plurality of segments are aligned along a radial direction of the electrode assembly to define a plurality of segment alignments spaced apart in a circumferential direction of the electrode assembly, and an electrolyte impregnation portion in which an end of the first active material portion is exposed between winding turns of the separator is included between adjacent segment alignments of the first uncoated portion in the circumferential direction.

Abstract: Discussed is a battery including an electrode assembly having a first electrode, a second electrode and a separator between the first electrode and the second electrode, a battery housing having a first end with a first opening and a second end with a second opening opposite the first end, the battery housing accommodating the electrode assembly and electrically connected to the second electrode to have a second polarity, a terminal electrically connected to the first electrode to have a first polarity, the terminal being exposed out of the battery housing through the first opening of the battery housing at the first end, and a cap covering and sealing the second opening at the second end of the battery housing. The cap overlaps the battery housing at the second end and has no polarity.

Abstract: An electrode assembly, a battery, and a battery pack and a vehicle including the same is provided. At least one of the first electrode and the second electrode includes an uncoated portion at a long side end, a part of the uncoated portion is exposed to the outside of the separator along a longitudinal direction of the electrode assembly, at least a part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface, and the bending surface may include a region in which the number of overlapping layers of the uncoated portion is substantially kept constant as a criterion layer number along the radial direction The welding region of the current collecting plate welded to the bending surface may overlap with the region in which the number of overlapping layers of the uncoated portion is kept as the criterion layer number.

Abstract: A battery module includes: a battery cell assembly having a plurality of battery cells; a top plate configured to cover an upper side of the battery cell assembly; a bottom plate configured to cover a lower side of the battery cell assembly; a sensing assembly disposed to cover a front side and a rear side of the battery cell assembly; a pair of side plates disposed at side surfaces, respectively, of the battery cell assembly; and a pair of compression pads disposed between the pair of side plates and the battery cell assembly, respectively.