The present disclosure provides an electrical energy storage device including an electrode body, a case main body that includes an opening, a sealing plate that seals the opening, a welding joining part, and a shielding part that shields a gap between the welding joining part and the electrode body…
An apparatus to weld resin pieces of a battery together during manufacture of a battery cell includes a first hot plate that pressurizes and heats exterior materials forming a container of the battery cell and resin pieces in a layering direction at a position of an opening of the container…
A method for manufacturing an electricity storage device includes a case body preparing step, a closing plate preparing step, and a welding step. A closing plate prepared in the closing plate preparing step has a closing portion and a protruding portion. The closing portion covers an opening of the…
A battery cell includes a wound electrode assembly, a battery housing accommodating the electrode assembly therein, and a housing lid. The battery housing has a sidewall and an open end defining an opening, where the housing lid is coupled to the open end so as to cover the opening. An interior…
The present disclosure relates to a battery cell, a manufacturing apparatus for the battery cell, and a manufacturing method for the battery cell, and the battery cell according to one embodiment of the present disclosure may include: a case accommodating an electrode assembly; a cap plate…
The present disclosure provides a case for a secondary battery, and a secondary battery. The case includes: a body including an accommodation portion having an open end and a flange portion extending around the open end; a cover configured to be coupled to the flange portion to seal the open end…
A secondary battery includes an electrode assembly including a first electrode, a second electrode, and a separator, a case body accepting the electrode assembly through one opened side surface and including a first binding surface formed along a circumference of the one opened side surface, and a…
A method for manufacturing a pouch-type secondary battery according to an embodiment of the present invention may include: a first sealing operation of fusing a lead film, which is attached to an electrode lead of an electrode assembly, to a sealing portion of a pouch in which the electrode…
A method of manufacturing an electricity storage device includes a first preparing step of preparing a case body including an open end, a second preparing step of preparing a sealing plate for sealing the open end of the case body, an assembling step of attaching the sealing plate to the open end…
A battery shell, a single battery cell, and a battery pack are provided. The battery shell includes: a battery shell body, wherein the battery shell body is provided with an opening; and a top cover body, wherein the top cover body is covered on the battery shell body at the opening, an end…
A battery comprising a base including a base portion defining an interior volume and a base flange extending from the base portion. The battery also includes a battery cell stack positioned in the interior volume. The battery also includes a cover welded to the base flange with a plurality of welds…
A battery comprising a base including a base portion defining an interior volume and a base flange extending from the base portion. The battery also includes a battery cell stack positioned in the interior volume. The battery also includes a cover welded to the base flange with a plurality of welds…
A secondary battery is provided. The secondary battery includes an electrode assembly, a sub-plate assembly comprising a sub-plate connected to the electrode assembly and a current collector coupled to the sub-plate, and a terminal plate coupled to the current collector. The terminal plate defines…
A top cap assembly includes a top cap plate, a mounting piece, and a protection film. The top cap plate includes an inner side and an outer side disposed opposite to each other along a thickness direction of the top cap plate, the inner side and the outer side are spaced apart from each other to…
High voltage battery contactor welding prevention techniques for an electrified vehicle include, in response to a request to perform a high voltage connection procedure, utilizing a supervisory controller to monitor a voltage of the low voltage battery system to determine whether a low voltage…
A battery cell may include: a housing having an opening; an electrode assembly, accommodated in the housing; and an end cap, including a cap body and a protruding structure, where at least a part of the cap body may be disposed around the protruding structure and laser-welded to the housing so that…
A method for manufacturing a secondary battery includes preparing a lower can having an accommodation part to accommodate an electrode assembly, and an upper cover covering an upper opening of the lower can; gripping an end of a lower can circumferential portion and an end of an upper cover…
A battery cell may include: a housing, on which an opening is made; an electrode assembly, accommodated in the housing; and an end cap, configured to fit and cover the opening. The end cap may include a cap body and a protruding structure around the cap body, the protruding structure may protrude…
A battery cell may include: a housing, on which an opening is made; an electrode assembly, accommodated in the housing; and an end cap, configured to fit and cover the opening. The end cap may include a cap body and a protruding structure around the cap body, the protruding structure may protrude…
Provided are an electronic device and a manufacturing method therefor. The electronic device includes a first housing, a second housing, a cover plate, and a cell. The first housing includes a bottom plate and a first enclosure wall annularly disposed on a side of the bottom plate. The second…
Provided is a cap plate welding assembly for an electric vehicle secondary battery, the cap plate welding assembly including: an anode part cap plate provided with first horizontal planes formed long in left and right directions on a front surface and a rear surface thereof, respectively, and first…
(a) An electrode assembly is accommodated in a laminated casing. (b) A pressure-applied portion is formed by sandwiching at least a portion of a peripheral edge of the laminated casing between a first tool and a second tool. (c) A sealed portion is formed by applying ultrasonic vibration from at…
A battery case, a battery, and an electronic device include a case body, a first cover body, a first insulating part, and a second cover body, where the case body includes a bottom wall and a side wall connected to the bottom wall; the first cover body includes a first surface and a second surface…
A battery manufacturing method and a battery are provided. The battery manufacturing method includes: providing a first housing, including a bottom wall and a side wall, wherein the side wall extends upward from the bottom wall, the side wall encloses to form an opening, the side wall extends…
A high voltage battery protection pack according to one embodiment of the present invention includes an upper case including a coupling plate protruding along an outer circumferential surface of the upper case and a plurality of coupling holes formed in the coupling plate to be spaced apart from…
A battery and a battery manufacturing method are provided. The battery includes a main body portion, a cover plate assembly, a tab portion, and a connecting piece. The cover plate assembly is located on a top surface of the main body portion and includes a pole. The tab portion extends out from a…
A rechargeable battery and a welding method of a rechargeable battery are disclosed, and a rechargeable battery according to an exemplary embodiment of the present invention includes: a case in which an electrode assembly is accommodated in an inner space and one side is opened; a cap plate closing…
A secondary battery according to an embodiment includes a container having a pouring hole through which an electrolyte is poured, and housing the electrolyte, poured through the pouring hole, together with an electrode body; and a sealing lid (8) which is fixed to the container and is closing the…
Provided is an electric storage device that can ensure seal in a peripheral area of a portion in a defining wall of a case through which a rivet passes even when a rivet is inserted through the defining wall of the case and the rivet is caulked. The electric storage device includes: an electrode…
The provided battery (1) includes a sheathing can (2) housing an electrode (3) immersed in a liquid electrolyte (6); a sealing cap (7) to block an aperture formed on one end face of the sheathing can (2); an insulating plate (12a) to electrically separate the electrode (3) from the sealing cap (7)…