A method of making an anti-thermal propagation cell includes providing a longitudinal base film web with first and second sides, the first side having an adhesive layer. A plurality of insulation pads, each with top and back faces, front and back edges, and left and right sides, is provided. The…
According to an embodiment of the present disclosure, a bipolar battery comprising: a frame extending in a first direction and a second direction and partitioning a plurality of regions; and unit cells respectively disposed in the plurality of regions, each of the unit cells including a first…
According to exemplary embodiments of the present disclosure, a battery cell aging device is provided. The battery cell aging device may comprise a plastic cover having an opening for inserting an electrode terminal; and a moisture supply layer within the plastic cover.
The present application provides roll-to-roll type electrode assembly manufacturing equipment comprising: a sheet supply unit (100) including a first sheet supply unit for supplying a first separator sheet and a second separator sheet and a second sheet supply unit for supplying a lithium metal…
A battery cell according to an embodiment of the present disclosure includes an electrode assembly obtained by winding a first electrode and a second electrode around a winding axis with a separator interposed therebetween to define a core and an outer surface, wherein the first electrode includes…
A secondary battery according to the present invention comprises: an electrode assembly; and a battery case including an accommodation portion, which accommodates the electrode assembly together with an electrolyte, and a side portion, which extends from the accommodation portion. The side portion…
The present application provides a battery pressurizing device and a battery production system. The battery pressurizing device comprises a bearing mechanism and pressurizing assemblies. Each pressurizing assembly comprises a pressurizing plate and a plurality of pressurizing units; the…
A battery module includes a plurality of battery cells, a module case configured to accommodate the plurality of battery cells, wherein at least a part of one surface of the module case is perforated to form a venting hole, and a retainer is provided on an inner peripheral surface of the venting…
Provided in the present disclosure are an insulating film for a battery cell housing, a battery cell, and a secondary battery. A first insulating film is used for covering a first side surface; a second insulating film is used for covering a second side surface; a third insulating film is used for…
A battery cell manufacturing device according to certain embodiments of the present disclosure may comprise: a support plate on which a battery cell is placed, and a pressing unit that presses a surface of the battery cell while advancing in an advancing direction over an area of the battery cell…
The present application discloses a tab-through device, assembly apparatus, and assembly method for a battery. The battery includes a housing and an electrode assembly. The housing is provided with an accommodation chamber, and a through hole is formed in the housing. The electrode assembly is…
The present application discloses a tab-through device, assembly apparatus (3), and assembly method for a battery. The battery includes a housing and an electrode assembly. The housing is provided with an accommodation chamber, and a through hole is formed in the housing. The electrode assembly is…
The present disclosure relates to a secondary battery that can be charged and discharged and a method for manufacturing such a secondary battery. A secondary battery according to the present disclosure may include an electrode assembly; a pouch-type exterior material having an internal space that…
Provided is a current collecting plate that is connected to an electrode tab provided at one end among the two ends of the electrode assembly in the axial direction, wherein the one end is inserted into a can while facing the bottom thereof. The current collecting plate comprises: a terminal joint…
A battery module that is easily mountable in a pack case and a battery pack including the same are disclosed. A battery module according to an embodiment of the present disclosure includes a battery cell stack in which a plurality of battery cells are stacked, and a busbar frame on one side of the…
Embodiments of the present application provide a battery cell and a manufacturing method thereof, a battery, and an electric apparatus. The battery cell includes: a housing (1), including a first wall (13); an electrode assembly (3), disposed within the housing (1), where the electrode assembly (3)…
The purpose of the present invention is to reduce a gap between electrode plates in the vicinity of a winding start end part of a positive electrode generated by charging and discharging, and to suppress deterioration of charge/discharge cycle characteristics. This secondary battery is provided…
In a positive electrode, which is an example of an embodiment, a positive electrode mixture layer (31A) has a tail region (33A) in which there are formed a plurality of tail portions (34A) extending in the length direction of a positive electrode core body (30) from one edge of a core body exposed…
A battery cell, a battery, and an electric device. The battery cell comprises a housing, an electrode assembly, and electrode terminal. The housing is provided with a wall portion. The electrode assembly is accommodated within the housing. The electrode terminal is riveted on the wall portion, and…
Disclosed in the present application are an electrode plate laminating apparatus (100), a bare cell winding device, and a bare cell winding method. The electrode plate laminating apparatus (100) comprises: a first laminating roller assembly (20), which comprises a first laminating roller (21) and a…
A battery cell, a battery, and an electric device. The battery cell comprises: a shell; at least one electrode assembly, which is disposed inside the shell; and at least one elastic buffer pad, which is arranged on at least part of the surface of the electrode assembly and/or inside the electrode…
The present invention relates to a method of manufacturing an all-solid-state battery, comprising: (1) manufacturing an all-solid-state battery by stacking a positive electrode current collector, a positive electrode layer, a solid electrolyte layer, a negative electrode layer, and a first negative…
A method of controlling a cycling pressure of a secondary battery can include assembling the secondary battery by stacking a cathode, a separator, and an anode in order; activating the secondary battery by applying a pressure of 5 MPa or less; and cycling the secondary battery by applying the…
A battery cell stack according to an embodiment of the present disclosure may include a plurality of battery cells arranged parallel to each other, each battery cell including an electrode assembly having an electrode tab and an outer packaging accommodating the electrode assembly; and a…
A battery activation process facility according to the present disclosure includes a plurality of charging and discharging devices for charging and discharging battery cells; a container rack configured to load the plurality of charging and discharging devices in multiple stages; a catwalk…
A battery activation process facility according to the present disclosure may include a plurality of charging and discharging devices disposed in a horizontal direction and a vertical direction; and duct modules connected to the plurality of charging and discharging devices, wherein the charging…
A degassing process device according to an embodiment disclosed in this document may include an information acquisition unit that acquires an atmospheric pressure, and a controller that corrects a vacuum pressure during a degassing process of a battery based on the atmospheric pressure, and the…
A battery cell and a manufacturing method therefor are disclosed. The battery cell comprises: a can housing in which an electrode assembly is accommodated, and which has a terminal hole; a current collector plate disposed at an axial end of the electrode assembly; an insulator interposed between…
According to exemplary embodiments, a method for manufacturing a secondary battery is provided. The method includes applying a first electrode slurry to the current collector sheet such that active guide lanes are formed on the current collector sheet; applying a second electrode slurry to the…
The present invention relates to a secondary battery. The secondary battery according to the present invention comprises a secondary battery, which comprises an electrode assembly, an electrolyte, and a battery case configured to accommodate the electrode assembly and the electrolyte, wherein the…