A cover for an electrochemical cell, a method for producing it and a cell comprising the cover are provided. The cover includes a ring with an outer circumference and an inner circumference, a crown-shaped boss located between the inner circumference and the outer circumference, two or more…
The present invention provides a cap assembly (210), a secondary battery including the same, and a method for manufacturing the cap assembly (210). The cap assembly (210) includes a cap plate (212) having a through hole and including a coating layer (213) disposed on at least a portion of an upper…
A secondary battery according to various embodiments of the present disclosure includes: a battery can including a first curved part formed to be curved to have a first radius of curvature on an inner circumferential surface of a side wall; an electrode assembly accommodated inside the battery can…
A cap assembly for a secondary battery, including a top cap electrically connected to the outside and a gasket surrounding an outer peripheral portion of the top cap is provided. The top cap has a thermally conductive layer provided on a surface.
A secondary battery is provided and includes a battery device, a container, and a cover part. The container contains the battery device. The container includes a first end part including a crimp part, and a second end part positioned on an opposite side to the first end part in a first direction…
A secondary battery includes a battery device, a container, and a cover part. The container contains the battery device. The cover part includes a cover member and a valve member. The cover member includes a first flange. The valve member includes a second flange, and is positioned between the…
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, a separator between the first and second electrodes, and first and second electrode tabs respectively coupled to the first and second electrodes; a case accommodating the electrode assembly and…
A cylindrical secondary battery includes: an electrode assembly including a positive electrode plate, a separator, and a negative electrode plate; a cylindrical can accommodating the electrode assembly and being electrically connected to the negative electrode plate, a lower end of the cylindrical…
A cap assembly includes a base portion having a through-hole, a protrusion joined to the base portion, the protrusion extending downward from a lower end of the through-hole, an electrode terminal at least partially inserted into the protrusion, the electrode terminal sealing the through-hole, and…
A cap assembly includes a vent deformable in response to a change in pressure, a cap-up on the vent and connected to an external terminal, the vent surrounding a portion of an upper surface and a side surface of an outer edge of the cap-up, a cap-down that is below the vent, and a plurality of…
Disclosed is a safe cylindrical battery, including a battery housing, wherein a core assembly is arranged in the battery housing, and the core assembly includes an electrode sheet, a compact full electrode lug, and a channel full electrode lug; the compact full electrode lug is vertically arranged…
Disclosed is a cap assembly having an improved structure to block or reduce the discharge of heated active material in a situation such as gas release. The cap assembly is coupled to an open end of a battery can, and includes a top cap disposed on an uppermost portion of the cap assembly in a…
Embodiments of the present application provide a battery cell, a battery, an electrical device, and a manufacturing method and device for the battery cell, which belong to the technical field of batteries. Herein, the battery cell comprises an electrode assembly, a housing and an end cap. The…
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, a separator between the first and second electrodes, and first and second electrode tabs respectively coupled to the first and second electrodes; a case accommodating the electrode assembly and…
This disclosure presents a cylindrical secondary cell lid () for a cylindrical secondary cell (), the cylindrical secondary cell lid () comprising a number of recessed contact portions () to be arranged in direct electrical contact with an electrode roll () arranged inside the cylindrical secondary…
Provided is a battery including a case and a cap plate. The case is a cylindrical groove structure, a top end face, facing towards the case, of the cap plate is provided with an annular protrusion, the annular protrusion has a central axis coinciding with the central axis of the cap plate, an edge…
A secondary battery includes an electrode assembly having a first electrode tab and a second electrode tab, a battery can electrically connected to the second electrode tab and having an opening portion accommodating the electrode assembly, a top cap covering the opening portion of the battery can…
Embodiments provide a battery cell, a battery, an electric apparatus, and a manufacturing method and system of battery cell. In those embodiments, the battery cell includes a housing, an electrode assembly, and an end cover assembly. The housing provides an opening. The electrode assembly is…
A battery cell may include an electrode assembly, a housing and an end cap. The electrode assembly may have a first tab. The housing may have an opening for receiving the electrode assembly. The end cap may include a cap body and a first convex part. The end cap may be provided with a liquid…
The present invention relates to a secondary battery. The secondary battery comprises: an electrode assembly; a can configured to accommodate the electrode assembly; an electrolyte impregnated into the electrode assembly while being injected into the can; and a cap assembly mounted on an opening of…
A battery cell may comprise: an electrode assembly, a housing and an end cap. The electrode assembly may have a first tab. The housing may have an opening for accommodating the electrode assembly. The end cap may be configured to connect with the housing and cover the opening. The end cap may have…
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, a separator between the first and second electrodes, and first and second electrode tabs respectively coupled to the first and second electrodes; a case accommodating the electrode assembly and…
A rechargeable battery includes: an electrode assembly including a first electrode, a second electrode, a separator between the first and second electrodes, and first and second electrode tabs respectively coupled to the first and second electrodes; a case accommodating the electrode assembly and…
A battery cell includes an electrode assembly, a housing, and an end cap. The electrode assembly includes a tab. The housing has an opening and includes a limit part, and is configured to accommodate the electrode assembly. The end cap includes a cap body and a convex part. The cap body is…
A secondary battery including a cylindrical can, an electrode assembly in the cylindrical can and including a plurality of first substrate tabs extending from one side of the electrode assembly along a longitudinal direction of the cylindrical can, and a plurality of second substrate tabs extending…
The all-solid-state battery includes: an exterior can with a bottom ; a seal can having a flat portion and facing the exterior can ; and a power generation element contained between the exterior can and seal can , where at least one of the inner surface of the bottom of the exterior can and the…
The present invention relates to a secondary battery, wherein the length of a second bending portion of a safety plate covering an extension portion of a cap-up can be adjusted to prevent deformation of the safety plate and improve the sealing force of the secondary battery, even when a crimping…
A cylindrical battery includes a metal can, an electrode assembly located in the metal can, a cap assembly containing a current interruptive device located on a top of the electrode assembly, an upper insulator located between the cap assembly and the electrode assembly, and at least one spring…
The present application discloses an insulating sheet of a cylindrical battery, including an insulating sheet body. A tab through hole or a tab notch is formed in the insulating sheet body, the tab through hole or the tab notch is arranged to be eccentric. The insulating sheet of the cylindrical…
The present application discloses an improved aluminum cover plate of a battery, including a cover plate, a metal sheet and an electrode column. The electrode column penetrates and is arranged in rivet holes of the cover plate and the metal sheet, and is riveted with the metal sheet. A first…