594results 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.

The present application discloses a battery cell, a secondary battery, and an electric device. The battery cell comprises a plurality of electrode sheets; each electrode sheet comprises a current collector and active substance coatings; the electrode sheet has a first region covered with the active substance coatings and a second region not covered with the active substance coatings; the first region is provided with a clearance notch; the second region forms a tab of the battery cell; among the plurality of stacked electrode sheets, for two adjacent electrode sheets, the first region of one electrode sheet is provided with a clearance notch so as to expose the second region of the other electrode sheet; the width of the electrode sheet is W mm, the area of the clearance notch is S1 mm2, the area of the second region is S2 mm2, and the thickness of the battery cell is H; when H is greater than 7 mm, S1+S2＜A*W is satisfied, and A is 3.6 mm; or, when H is less than or equal to 7 mm, S1+S2＜B*W is satisfied, and B is 1.6 mm. By means of such design, when a bare battery cell is formed by stacking, the tabs are accommodated in the main body region of the bare battery cell, and there is no need to perform multi-tab transfer welding, thereby improving space utilization; moreover, by setting the maximum value of S1+S2, it is ensured that the overall energy density of the battery cell is increased.

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.

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.

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 invention provides a method for deactivating a pair of outermost negative electrodes disposed at the uppermost end and the lowermost end of an electrode assembly including a plurality of positive electrodes, a plurality of negative electrodes, and a plurality of separators, respectively, the method for deactivating the outermost layer negative electrode includes: a deactivating step of forming a deactivating region having a predetermined width (w) along an edge of one side of the outermost layer negative electrode; the width (w) is determined on the basis of the horizontal length of the outermost negative electrode, the vertical length of the outermost negative electrode, and the number of individual cells in the electrode assembly consisting of the separator, the negative electrode, the separator, and the positive electrode, whereby a clear guidance can be provided for the deactivation operation of the outermost negative electrode of the electrode assembly.

Discussed is a lamination apparatus for a secondary battery. The lamination apparatus for the secondary battery includes: an electrode transfer part configured to transfer at least one or more electrodes; a separator transfer part configured to transfer at least one or more separators; a combination part configured to combine and transfer the electrodes and the separators that are to be alternately disposed; and a position correction part configured to correct a position of an uppermost electrode disposed at an uppermost side among combined electrodes and the separators to align the position of the electrode with a set position of the separator among the combined electrodes and separators.

An electrode assembly according to an embodiment of the present invention may be provided by alternately stacking elenglisctrodes and separators in a predetermined stacking direction, wherein, when an electrode, which is disposed at the outermost side, of the electrodes is defined as the outermost electrode, and a separator, which is disposed at the outermost side, of the separators is defined as the outermost separator, a distal end portion of the outermost separator may be provided to press a distal end portion of the outermost electrode inward in the stacking direction.

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.

The present invention relates to an electrode manufacturing device and an electrode assembly manufacturing device including the electrode manufacturing device, the electrode manufacturing device including: a first electrode conveying unit, which is configured to convey a first electrode with an electrode coating formed on one surface or two opposite surfaces; a first cutter, which is configured to cut the first electrode conveyed by the first electrode conveying unit to form a first unit electrode; a first diaphragm conveying unit arranged on one side of the first electrode conveying unit, the first diaphragm conveying unit being configured to convey the first diaphragm; a first sensor unit, which is configured to sense the position of the first unit electrode; and a first alignment unit, which is configured to adjust the conveying speed of the outer periphery of the first unit electrode parallel to its conveying direction so as to adjust the interval between the first unit electrodes placed on one surface of the first diaphragm, wherein before the process of stacking and laminating electrodes with different polarities, it is determined whether the positive electrode and the negative electrode are aligned with each other, and then the positive electrode and the negative electrode are stacked, thereby preventing defective electrodes from being generated due to misalignment between the positive electrode and the negative electrode.

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.

An electrode assembly manufacturing apparatus according to one embodiment of the present disclosure comprises a first separator supply unit that supplies a first separator sheet, a second separator supply unit that supplies a second separator sheet, a first electrode supply unit that supplies a plurality of first electrode pieces so as to be located between the first separator sheet and the second separator sheet, a lamination unit that forms a first electrode-separator assembly including a plurality of first electrode pieces located between the first separator sheet and the second separator sheet, a second electrode supply unit that supplies a plurality of second electrode pieces laminated so as to be located on the outer side surface of the separator of the first electrode-separator assembly, a stack unit on which an electrode assembly formed by laminating the first electrode-separator assembly and the second electrode piece is seated, and a holding unit that holds the second electrode piece and moves the second electrode piece to the stack unit.

A method is provided for fabricating a component material for a battery cell. The method comprises the steps of: providing a partially-fabricated battery cell, the partially-fabricated battery cell comprising a substrate having a planar deposition surface consisting of a first face of the substrate and a first battery component layer provided on the planar deposition surface, the substrate having a plurality of further surfaces, the planar deposition surface and the plurality of further surfaces defining the body of the substrate therebetween; wherein: the first battery component layer contains charge-carrying metal species and has an exposed surface; one or more electrically conductive or semi-conductive pathways extend through at least a portion of the substrate, each of the one or more pathways connecting the planar deposition surface to one of the plurality of further surfaces; and the partially-fabricated battery cell is held in position within a deposition chamber by a holding structure and each site of connection between one of the one or more pathways and the holding structure is electrically insulating; the method further comprising the step of depositing a second battery component layer on the first battery component layer, wherein the depositing comprises forming a plasma within the deposition chamber.

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 circuit board assembly (8) includes a wiring board (81), a coin-type secondary cell (1) that is a lithium secondary cell electrically connected to the wiring board (81) by reflow soldering, and a wireless communication device (82) electrically connected to the wiring board (81). The coin-type secondary cell (1) includes a positive electrode including a sintered body, a negative electrode including a sintered body, an electrolyte layer provided between the positive electrode and the negative electrode, and a cell case having an enclosed space in which the positive electrode, the negative electrode, and the electrolyte layer are housed. When C is given as the capacity of the positive electrode and A is given as the capacity of the negative electrode, 1.03 < C / A < 1.60 is satisfied.

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.