Abstract: An electrode assembly includes an electrode stack having a first electrode, a first separation layer, a second electrode and a second separation layer consecutively stacked, the electrode stack being wound around a winding axis in a winding direction, and a first electrode tab electrically connected to the first electrode, the first electrode tab protruding in an axial direction away from a first end of the first electrode. The second electrode includes a second electrode uncoated portion where an active material is not coated, the second uncoated portion being exposed at a second end of the second electrode in the axial direction, the second uncoated portion being configured to be a second electrode tab. A battery cell including the electrode assembly is also provided.

Abstract: An electrode assembly including a positive electrode sheet having a positive electrode active material portion that is an area on which a positive electrode active material is stacked on a positive electrode collector and a positive electrode non-coating portion, a positive electrode tab disposed on the positive electrode non-coating portion, a negative electrode sheet having a negative electrode active material portion that is an area on which a negative electrode active material is stacked on a negative electrode collector and a negative electrode non-coating portion; a negative electrode tab disposed on the negative electrode non-coating portion, and a separator insulating the positive electrode sheet and the negative electrode sheet from each other is provided. The positive electrode non-coating portion includes a first positive electrode non-coating portion and a second positive electrode non-coating portion, which are provided on two portions spaced apart from each other on the positive electrode sheet.

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 secondary battery including: an electrode assembly; a case opened on one side and configured to accommodate the electrode assembly therein; a vent coupled to the opening of the case; and a first current collecting plate electrically connected to the electrode assembly, in which the first current collecting plate is welded and electrically connected to at least one of the case and the vent.

Abstract: According to various embodiments, an aerosol generating device includes a plurality of pad units, each including a first end surface, a second end surface formed an opposite side of the first end surface, a front surface formed between the first end surface and the second end surface, and a rear surface formed on an opposite side of the front surface, a heating unit disposed on the front surface of each of the plurality of pad units, and a hinge unit disposed between the plurality of pad units, wherein the aerosol generating device is transformable such that the front surface of each of the plurality of pad units faces toward a central axis.

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: 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 cylindrical battery cell includes an electrode assembly including a first electrode tab and a second electrode tab, a battery can in which the electrode assembly is received, the battery can being electrically connected to the second electrode tab, a top cap to cover a top opening of the battery can, the top cap being electrically connected to the first electrode tab and electrically insulated from the battery can, and a terminal extension member coupled to a top of the battery can and electrically insulated from the top cap.

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 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: A battery includes an electrode assembly including a first electrode, a second electrode and a separator between the first electrode and the second electrode, the first electrode, the second electrode and the separator being wound around a winding axis to define a core and an outer peripheral surface. The first electrode and the second electrode include a first uncoated region and a second uncoated region along a winding direction, respectively, and an active material layer coating is absent in the first uncoated region and the second uncoated region. The battery further includes a housing receiving the electrode assembly through an opening formed at a bottom, a first current collector coupled to the first uncoated region and disposed within the housing, a cap covering the opening, a spacer interposed between the cap and the electrode assembly to fix the electrode assembly and seal the housing, and a terminal electrically connected to the second uncoated region.

Abstract: A method of manufacturing a battery according to the present disclosure includes (a) preparing a battery housing having an opening at one side and a bottom having a through-hole at the other side; (b) fixing an electrode terminal to the through-hole; (c) preparing an electrode assembly including a first electrode tab formed of a first uncoated portion and a second electrode tab formed of a second uncoated portion at upper and lower parts, respectively; (d) inserting the electrode assembly into the battery housing through the opening at one side of the battery housing such that the first electrode tab faces the bottom; (e) electrically connecting the first electrode tab to the electrode terminal; and (f) covering the open end with a cap plate.

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.