358results about "Small-sized flat cells/batteries" patented technology

The present invention discloses a stack cell. The stack cell of the present invention includes an electrode stack; at least one fixing tape wrapped around the electrode stack to secure the electrode stack; and a step-leveling tape attached to the edge of the upper surface of the electrode stack to eliminate the step between the fixing tape and the upper surface of the electrode stack.

The invention relates to a method of coupling a battery cell to a battery cell monitoring and control circuit, the method comprising the steps of: providing a battery cell (10) comprising a multilayer structure comprising two electrode layers (11, 12) separated by a separator layer (17) and two electrically conductive outer faces (13, 14) extending parallel to the layers of the multilayer structure; providing a microcircuit (MC) comprising two connection pads (21, 22) respectively formed on opposite faces or on the same face of the microcircuit, the microcircuit being inserted into a volume defined by two planes respectively comprising an electrically conductive outer face of the battery cell; an electrically conductive connection (25, 26) is formed between each connection pad of the microcircuit and a respective electrically conductive face of the battery cell.

A battery manufacturing apparatus includes a negative electrode notching device configured to assign a first electrode ID to individual notched electrodes; a first cutting device for separating individual negative electrodes assigned the first electrode ID; a positive electrode notching device configured to assign a second electrode ID to individual notched electrodes; a second cutting device for separating individual positive electrodes assigned the second electrode ID; a stacking device configured to stack the individual positive electrodes and the individual negative electrodes with a separator therebetween; and a roll map creating device.

Flexible electronic devices may be provided. A flexible electronic device may include a flexible display, a flexible housing and one or more flexible internal components configured to allow the flexible electronic device to be deformed. Flexible displays may include flexible display layers, flexible touch-sensitive layers, and flexible display cover layers. The flexible housing may be a multi-stable flexible housing having one or more stable positions. The flexible housing may include a configurable support structure that, when engaged, provides a rigid support structure for the flexible housing. The flexible internal components may include flexible batteries, flexible printed circuits or other flexible components. A flexible battery may include flexible and rigid portions or may include a lubricious separator layer that provides flexibility for the flexible battery. A flexible printed circuit may include flexible and rigid portions or openings that allow some rigid portions to flex with respect to other rigid portions.

This application relates to batteries with an asymmetric design. At least some batteries described herein include two sections having different shapes and / or sizes, thus having different volumes. Having a battery formed with a relatively larger sections allows for several advantages. For example, the larger section can accommodate bending of a tab used to connect several electrodes together. Additionally, with the larger section providing space for the bent tab, the electrodes can be extended in, for example, the relatively smaller section. As a result, the battery can provide additional energy storage.

A battery and an electronic device are disclosed. The battery includes: a first bare cell portion and a second bare cell portion. The first bare cell portion has a first surface and a side surface connected to the first surface, the first surface is configured to face towards a same direction as that of an opening of a battery compartment of an electronic device when the battery is installed in the battery compartment, and the side face is configured to face towards an inner side surface of the battery compartment of the electronic device when the battery is installed in the battery compartment. The second bare cell portion is located on a side that the first surface faces, and an orthographic projection of the second bare cell portion on the first surface overlaps the first surface.

The present disclosure relates to a battery pack manufacturing device and a method of manufacturing a battery pack, and a technical object to be achieved is to provide a battery pack manufacturing device which includes a core molding jig having a plurality of molding parts on which a core pack is seated to minimize a melting cycle, thereby increasing productivity and reducing a mold cost by standardizing the core molding jig, and a method of manufacturing a battery pack. To this end, a battery pack manufacturing device includes a core molding jig including a molding part on which a core pack of which a bare cell and a protection circuit part are coupled is seated, a mold part which fixes the core molding jig, and an injection part which is provided at the mold part and performs a hot-melting process on the molding part to form a resin molding portion on the core pack, wherein the molding part is formed as a plurality of molding parts so that a plurality of core packs are seated on the plurality of molding parts.

To provide a rechargeable battery suitable for personal digital assistants or wearable devices. , novel electronic devices having various external shapes, and secondary shapes suitable for those shapes We provide batteries. [Solution] The film has recesses or protrusions that relieve the stress generated when an external force is applied. The secondary battery is sealed using a film. The film is press-formed, for example, E The embossing process creates a pattern composed of recessed or raised areas.

Disclosed is a stack cell. The stack cell of the present invention comprises: an electrode stack; at least one fixing tape that wraps around the circumference of the electrode stack and fixes the electrode stack; and a step-removing tape that is attached to each of the edge portions of the upper surface of the electrode stack so as to remove a step portion between the fixing tape and the upper surface of the electrode stack.

According to the method of the application: manufacturing a stack (I) comprising, in plan view, x rows and y columns so as to form (x*y) cells, this stack being formed by a succession of alternating layers (SA, SC) respectively of anode layers (SA) and cathode layers (SC), each layer (SA, SC) comprising a plurality of respective anode primary blanks (111') and cathode primary blanks (141'), a plurality of respective anode secondary blanks (112') and cathode secondary blanks (142'), these blanks forming primary and secondary bodies of the cells and so-called "empty" zones (80", 70") between these primary and secondary bodies; in plan view, making a pair of main cuts (DYn, DY'n) between two adjacent empty zones (80", 70") so as to expose an anode connection zone (1002) and a cathode connection zone (1006) of each cell and to separate a given cell formed by a given row from at least one other adjacent cell formed by at least one adjacent row.

A thin-film battery (100) with several electrochemical cells (10) is provided. The electrochemical cells (10) are mounted on a carrier film (50) as a common substrate. The electrochemical cells (10) are stacked on top of each other. Each electrochemical cell (10) is separated from an adjacent electrochemical cell by a fold edge (11) in the carrier film. The electrochemical cells (10) are electrically connected to each other by at least one conductive layer (12; 51) of the carrier film. The thin-film battery is further characterized by the fact that the carrier film has weakening lines (510) in the region of the fold edges (11).

A battery includes an electrode assembly, a housing accommodating the electrode assembly, and a first layer including an insulating material. The electrode assembly includes a first electrode sheet and a second electrode sheet that are stacked and adjacently disposed along a fourth direction. The first electrode sheet includes a first edge extending along a first direction, a second edge extending along a second direction perpendicular to the first direction, and a third edge extending along a third direction intersecting both the first direction and the second direction, the third edge including a first end connected to the first edge and a second end connected to the second edge. The first layer is adhered to the first electrode sheet and includes a first border extending along the first direction and a second border extending along the second direction and connected to the first border.

The present invention relates to an apparatus for manufacturing an electrode assembly, the apparatus including a fixing part configured to grip and fix a stack in which one or more first electrodes, one or more separators, and one or more second electrodes are stacked, and a press part configured to heat and press the fixing part, in which the fixing part includes two or more portions having different properties.

The present invention relates to a pouch-type secondary battery manufacturing device, and more specifically, relates to an adsorption device holding a pouch in an electrolyte injection process, and a pouch-type secondary battery manufacturing device comprising the same. According to one example of the present invention, a pouch-type secondary battery manufacturing device may be provided, which comprises: a base; a pad assembly provided at the front of the base and having an adsorption pad adsorbing a pouch in a horizontal direction to form an electrolyte injection path into the inside of the pouch; and a pad cover covering the upper part and front of the pad assembly and having a nozzle spraying air toward the adsorption pad.

A device for producing an electrode stack containing flat electrode elements includes a stacking wheel, which is mounted to rotate about a stacking wheel axis and has a plurality of stacking wheel fingers, which define respective intermediate spaces for receiving the electrode elements, and a wiper unit, which is designed to remove the electrode elements one after the other from the respective intermediate spaces through interaction with a rotational movement of the stacking wheel about the stacking wheel axis. The device furthermore includes a receiving unit for successively receiving the electrode elements removed from the intermediate spaces. The receiving unit has a base structure, on which the electrode elements received in the receiving unit can be stacked, and a delimiting element, which forms an end stop for the electrode elements received in the receiving unit and which is arranged statically in relation to the stacking wheel axis.

The present invention relates to an electrode assembly set including a connecting part that electrically connects a plurality of electrode assemblies inside a pouch to each other, and is movable according to a change in volume of each of the electrode assemblies to be capable of being prevented from being damaged. The electrode assembly set according to an embodiment of the present invention may include a plurality of electrode assemblies which include a plurality of negative electrodes, positive electrode, and separators, and a connecting part which electrically connects the electrode assemblies to each other, wherein the connecting part includes a plurality of folding parts, each of which has a portion folded at a predetermined angle, and the predetermined angle is changed so as to allow the electrode assembly to move.

Battery comprising at least one anode and at least one cathode, arranged on top of one another in an alternating manner, the battery comprising lateral edges and longitudinal edges, in which the anode comprises a current collector substrate, —at least one anode layer, and —optionally, a layer of an electrolyte material, and the cathode comprises: —a current collector substrate, at least one cathode layer, and —optionally a layer of an electrolyte material such that the battery comprises successively at least one anode layer, at least one layer of an electrolyte material and at least one cathode layer, characterized in that each anode and each cathode comprises a respective main body, separated from a respective secondary body by a space that is free of any electrode, electrolyte and / or current collector substrate material, the free space joining or extending between the opposite longitudinal edges of the battery.

Disclosed are a pouch-shaped secondary battery pressing jig including a first pressing unit including a first pressing plate configured to seat a second surface of a pouch-shaped secondary battery thereon, a second pressing unit including a second pressing plate having an air hole configured to allow a fifth surface and a sixth surface to communicate with each other, the second pressing unit being configured to press a first surface of the pouch-shaped secondary battery, and an air injection unit configured to inject air to the first surface of the pouch-shaped secondary battery through the air hole and a pouch-shaped secondary battery inspection method using the same.

A system and method for producing a porous electrode with a high level of porosity, preferably mesoporosity, without the use of a binder. The electrode is formed by depositing a layer on a substrate from a colloidal suspension containing aggregated or agglomerated nanoparticles. Deposition methods include electrophoresis, ink-jet printing, doctor blade, roll coating, curtain coating, or dip-coating. The process includes drying and may involve additional consolidation steps such as pressing and / or heat treatment to enhance structural integrity, electrical conductivity, and adhesion. The heat treatment induces partial coalescence of nanoparticles, creating a three-dimensional porous structure that facilitates ion mobility. A thin coating of an electrically insulating or ion-conductive material may be applied to reduce interfacial reactions. The resulting porous electrode may be used in energy storage applications, such as lithium-ion batteries. The invention also includes a method for manufacturing batteries utilizing these electrodes and related battery designs.

A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly, the case having a bottom surface and long and short sidewalls that extend upwardly from the bottom surface; a cap plate coupled to an upper portion of the case and sealing the case; and an insulation member attached to an outer surface of the case. The insulation member includes a first layer in contact with the outer surface of the case and made of a heat-resistant material, a third layer exposed to the outside and made of a stretchable material, and a second layer between the first and third layers and made of an insulating material.

A formation jig according for performing a formation process of one or more battery cells is provided. The formation jig has first and second pressurizing plates disposed to face each other at a predetermined gap for receiving an inserted battery cell and for pushing both ends of the battery cell. A gap maintenance part is provided on either the first or second pressurizing plates to maintain the gap between the first and second pressurizing plates when a battery is not inserted.

A battery cell includes a casing provided with an accommodation space; and an electrode assembly accommodated in the accommodation space and contacting the casing. The electrode assembly may include a negative electrode including a first current collector and a negative electrode mixture applied to the first current collector; a positive electrode including a second current collector and a positive electrode mixture applied to the second current collector; a separator interposed between the positive electrode and the negative electrode; and a guide member accommodating at least one of the negative electrode and the positive electrode and pressurized or stretched by at least one of the negative electrode and the positive electrode to contract or expand.

A method of manufacturing an all-solid-state battery includes forming an anode active material layer on surfaces of an anode current collector, forming a first solid electrolyte layer covering exposed surfaces of the anode active material layer to form a symmetrical electrode structure, pressing the structure at a preliminary pressing pressure lower to form an anode, forming a cathode active material layer on a surface of cathode current collectors, the cathode active material layer being smaller than the cathode current collectors, forming a second solid electrolyte layer covering the cathode active material layers and the cathode current collectors to form first and second cathodes, forming a laminate by laminating the cathodes on opposite surfaces of the anode, the second solid electrolyte layers of the cathodes facing the anode, and pressing the laminate at the final pressing pressure.

A unit cell inspecting device according to the present invention includes an inspection unit which captures an image of an edge of a unit cell by using long-wave infrared rays and measures a position of an edge of an electrode provided in the unit cell. The inspection unit includes: a main heating part configured to heat the edge of the unit cell, thereby raising a temperature of the edge of the electrode provided in the unit cell; and an image capturing part configured to capture the image of the edge of the unit cell by using the long-wave infrared rays, thereby acquiring a thermal image of the edge of the electrode provided in the unit cell; and an inspection part configured to measure the edge of the electrode in the thermal image captured by the image capturing part, thereby measuring the position of the electrode by using the measured edge of the electrode.

Disclosed is a battery manufacturing method. A first stack part (10) is formed by applying a positive active material on one of two main surfaces of a first separator sheet (2.1) and applying a negative active material on the other one of the two main surfaces of the first separator sheet. A second stack part (20) is formed by applying the positive active material onto one of two main surfaces of a second separator sheet (2.2) and applying the negative active material onto the other one of the two main surfaces of the second separator sheet. The first stack part and the second stack part are stacked upon each other with a current collector plate interposed between the first stack part and the second stack part.

A secondary battery includes an electrode assembly, a pouch accommodating the electrode assembly, and a cover tape attached to the pouch so as to at least partially cover at least two surfaces of the pouch. The cover tape includes a fixed region attached to the first surface of the pouch, a dot region attached to the second surface of the pouch, and an adhesive on the fixed region and the dot region, and the adhesive has different adhesive forces.

The present invention relates to a pouch-type secondary battery manufacturing apparatus, and more specifically, to an adsorption device for gripping a pouch in an electrolyte injection process, and a pouch-type secondary battery manufacturing apparatus including the same. According to one embodiment of the present invention, a pouch-type secondary battery manufacturing apparatus may be provided, comprising: a base; a pad assembly provided in front of the base and having an adsorption pad that horizontally adsorbs a pouch and forms an electrolyte injection path into the pouch; and a pad cover covering the top and front of the pad assembly and having a nozzle that sprays air toward the adsorption pad.

A solid-state battery cell fabrication apparatus includes a clamping platform, a shaping fixture, and a side-sealing fixture. The clamping platform includes a lower base and an upper base. The shaping fixture includes an upper shaping mechanism and a lower shaping mechanism. The upper shaping mechanism is fitted outside the upper base and includes an edge-receiving element with a tapered wedge plate. The lower shaping mechanism is fitted outside the lower base and includes a folding element with multiple tapered wedge plates, wherein the inner diameter of the folding element is larger than the inner diameter of the edge-receiving element. The side-sealing fixture includes multiple adhesive-applying grippers arranged laterally around the shaping fixture. This solid-state battery cell fabrication apparatus can reliably and efficiently complete the packaging of cell stacks, and the thickened side edges enhance the protection of the cell stack's side surfaces, thereby improving the safety of solid-state battery use.

An electrochemical cell is described comprising an electrode layer having an electrode layer thickness wherein the electrode layer comprises an electrode material and an electrolyte material; and a ventilation assembly comprising a breathable material. The vent assembly is disposed adjacent to the electrode layer thickness such that, in use, the vent assembly retains electrolyte within the electrode layer and allows gases formed within the electrode layer to exit from the electrode layer.

An apparatus (10) for coupling electrode tabs (7) of an electrochemical cell semi-finished product (1) comprises a pressing mechanism (20) movable in a transverse direction between a resting configuration and a pressing configuration, wherein in said pressing configuration said pressing mechanism (20) is configured to press together in the transverse direction said tabs (7) and wherein said pressing mechanism (20), when in the pressing configuration, defines a gap (40), extended in a longitudinal direction, comprising an end opening (41) and configured to contain said pressed tabs (7); a punch (50) movable in the longitudinal direction in at least one compacting position in which the punch (50) is inserted in said gap (40) through said end opening (41), wherein in the compacting position the punch (50) is configured to press at least some tabs (7) of said plurality of tabs (7) in the longitudinal direction.