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 frame includes a middle unit, a first unit and a second unit. Each of the middle, first and second units includes pivotally connected longitudinal members. Each of the first and second units also includes lateral members pivotally connected to its longitudinal members and the middle unit. The lateral and longitudinal members of the middle, first and second units are foldable onto each other, making the frame very compact when folded. The lateral members of at least one of the first and second units are adjustable in length, allowing the frame to adjust its dimension in a lateral direction when unfolded. Additionally or optionally, at least one longitudinal member of the first unit and at least one longitudinal member of the second unit are adjustable in length, allowing the frame to adjust its dimension in a longitudinal direction when unfolded.

Abstract: A foldable unit includes a first section, a second section and a connection section. The first and second sections are pivotally coupled with each other at their proximal sides. The connection section has a first side pivotally coupled with a peripheral bar of the first section and a section side for detachably coupling the connection section with a structure. The foldable units can be used to make frames at different widths when unfolded to meet different needs of users and stackable when folded to save spaces.

Abstract: A table includes a supporting frame and a panel assembly supported by the supporting frame. A panel assembly includes a panel, a plurality of connectors, and one or more elongated members connected to the panel by the plurality of connectors. The one or more elongated members include a first elongated member disposed adjacent to but spaced apart from a first portion of the outer periphery of the panel, creating a gap in between. The presence of the gap allows one to hang objects, such as water bottles, bags, umbrellas, directly or indirectly to the first elongated member.

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 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, 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 foldable structure includes an elongated shaft having at least one non-circular portion. The foldable structure also includes a first mounting assembly with a proximal side fixedly connected to the shaft to restrict rotation of the first mounting assembly relative to the shaft and a second mounting assembly with a proximal side rotatably connected to the shaft to allow rotation of the second mounting assembly relative to the shaft. A first panel is fixedly connected to the first mounting assembly, and a second panel is fixedly connected to the second mounting assembly. The at least one non-circular portion of the shaft has an upper surface that remains in contact with a proximal side of the first panel, and when the foldable structure is unfolded, abuts upwardly against the proximal sides of the first and second panels to help to level the first and second panels.

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: 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, 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: 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: A foldable table includes first and second panels, first and second mounting assemblies coupled respectively with the first and second panels, and first and second leg assemblies coupled respective with the first and second mounting assemblies. Each of the first and second panels is formed with upper and lower panel surfaces spaced apart at a first distance. Each of the first and second panels is also formed with a ridge or protrusions or both of the ridge and protrusions. A lower surface of the ridge is spaced apart from the upper panel surface at a second distance equal to or less than two times the first distance. A lower surface of each protrusion is spaced apart from the upper panel surface at a third distance equal to or less than 1.5 times the first distance. Thus, when folded, the table has a minimized thickness.

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: Disclosed are pivoting mechanisms, sliding mechanisms, frames and tables. A pivoting mechanism includes a first coupling piece, a second coupling piece and a rod. The first and second coupling pieces are pivotally coupled with each other. The rod is operated by gravity to automatically lock or unlock the first and second coupling pieces. A sliding mechanism generally includes a slider and a locking member. The slider includes a sleeve to be slidably coupled with a bar. The locking member includes a restriction piece, operated by an elastic piece to be disposed inside of the bar, to automatically lock the sleeve at a certain position of the bar.

Abstract: A foldable rocking chair frame includes a left side stand and a right side stand. Each stand includes a rocking structure and a plurality of supports interconnected and foldable into each other. The rocking structure includes an arched member, a slider, and one or more links. When the frame is unfolded, the arched member has an end portion disposed at the rear side of the frame and extends from the rear side of the frame toward the front side of the frame. The slider is disposed at the arched member and slidable along the arched member. Each of the one or more links is pivotally connected to the arched member and a support in the plurality of supports. The left and right side stands are connected by a connecting assembly that allows the left and right side stands to fold into each other.