H01M10/0463

Electricity-storage module manufacturing method and electricity-storage module

A method for manufacturing an electricity-storage module includes: preparing a stacked body and first sealing portions; processing an extension portion of one or more first sealing portions included in an outer edge portion in a stacking direction of the stacked body so that an extension portion length of the one or more of first sealing portions becomes shorter than a length of the extension portions of the first sealing portions which are not included in the outer edge portion; and forming a second sealing portion that is provided at the periphery of the first sealing portions when viewed from the stacking direction and covers at least parts of outer surfaces of the first sealing portions located at stacking ends of the stacked body in the stacking direction by injection molding in which a resin material is caused to circulate in a mold frame.

Battery and battery manufacturing method

A battery includes a first current collector, a first electrode layer, and a first counter electrode layer. The first counter electrode layer is a counter electrode of the first electrode layer, and the first current collector includes a first electroconductive portion, a second electroconductive portion, and a first insulating portion. The first electrode layer is disposed in contact with the first electroconductive portion, and the first counter electrode layer is disposed in contact with the second electroconductive portion. The first insulating portion links the first electroconductive portion and the second electroconductive portion, and the first current collector is folded at the first insulating portion, whereby the first electrode layer and the first counter electrode layer are positioned facing each other.

SMD type solid state secondary battery for high energy density

Provided is a high-capacity SMD-type all-solid-state battery comprising: a stacked press body; a first external electrode formed on one side of the stacked press body; and a second external electrode formed on the other side of the stacked press body, wherein the stacked press body includes: a plurality of positive electrode sheets sequentially stacked and pressed so that an end of one side of each is connected to the first external electrode; a plurality of negative electrode sheets positioned between the positive electrode sheets crosswise with respect to the positive electrode sheets, and sequentially stacked and pressed so that an end of the other side of each is connected to the second external electrode; and a plurality of electrolyte sheets positioned between the positive electrode sheets and the negative electrode sheets and sequentially stacked and pressed.

Flexible battery

A method of fabricating a flexible battery comprises forming a first substrate on a first release liner, forming at least one current collector layer on each of the first and second substrate, forming an anode side of the battery by forming an anode on the current collector of the first substrate, forming a cathode side of the battery by forming a cathode on the current collector of the second substrate, depositing electrolyte on one or both of the anode and cathode, adhering and sealing the anode side and cathode side together such that the anode and cathode face one another with the electrolyte In between, and removing the flexible battery from the release liners. The battery may be a primary battery or a secondary battery. The method may be implemented using a roll-to-roll process.

Electronic device including interposer substrate carrying mica substrate with battery layer environmentally sealed thereto
11575172 · 2023-02-07 · ·

An electronic device includes a base substrate with a mica substrate thereon. A top face of the mica substrate has a surface area smaller than a surface area of a top face of the base substrate. An active battery layer is on the mica substrate and has a top face with a surface area smaller than a surface area of a top face of the mica substrate. An adhesive layer is over the active battery layer, mica substrate, and base substrate. An aluminum film layer is over the adhesive layer, and an insulating polyethylene terephthalate (PET) layer is over the aluminum film layer. A battery pad is on the mica substrate adjacent the active battery layer, and a conductive via extends to the battery pad. A conductive pad is connected to the conductive via. The adhesive, aluminum film, and PET have a hole defined therein exposing the conductive pad.

BATTERY-TYPE ELECTROCHEMICAL DEVICE COMPRISING IMPROVED SEALING MEANS AND METHOD FOR MANUFACTURING SAME
20230031684 · 2023-02-02 ·

A battery-type of electrochemical device including a unit stack formed by at least one unit cell, an electrical connection support, made at least in part of a conductive material, provided near a first frontal face of the unit stack, electrical insulation means enabling two distant regions of the electrical connection support to be insulated from one another, anode contact means enabling a first lateral face of the unit stack to be electrically connected to the electrical connection support, cathode contact means enabling a second lateral face of the unit stack to be electrically connected to the electrical connection support, an encapsulation system covering the other frontal face of the unit stack, the anode contact means, the cathode contact means, and at least in part the face of the electrical connection support that is facing the unit stack, and a mechanical stiffening system covering the encapsulation system opposite the electrical connection support.

POSITIONING DEVICE, STACKING DEVICE AND STACKING METHOD FOR REPEATING COMPONENTS OF A CELL STACK FOR BATTERY OR FUEL CELLS

Devices and methods to be used in large-scale production of battery cells or fuel cells when forming cell stacks, including a positioning device for positioning the repeating components of the cell stack. The positioning device includes at least one vibrating jaw having a vibrating jaw contact surface, and a positioning jaw which is rigid in operation and is arranged lower than an upper region of the vibrating jaw and has a positioning jaw contact surface. In one embodiment, the jaws engage each other by complementary protrusion-recess features on the contact surfaces. Alternatively or additionally, the vibrating jaw is provided to move along an arcuate path during oscillation, a tangent of the arcuate path lying on the positioning jaw contact surface.

Composite electrode assembly and lithium-ion secondary battery including the same

A flexible battery may include: a first electrode assembly including one or more unit cells, each having a pair of electrodes with a separator interposed therebetween; a single electrode; and a second electrode assembly connected to the first electrode assembly or to the single electrode and including a single electrode and a separator covering a top and bottom of the single electrode of the second electrode assembly.

Battery module

A battery module including a first battery group, a second battery group, a cooling plate, and a plurality of busbars electrically connected with a plurality of battery cells. The cooling plate is placed between the first battery group and the second battery group, and the two surfaces of the cooling plate are respectively bonded onto the first battery group and the second battery group with thermally conductive adhesive, the first battery group and the second battery group can be mounted close to the cooling plate, thus increasing the heat dissipation area and improving the heat dissipation effect.

BATTERY AND METHOD OF PRODUCING BATTERY
20230062772 · 2023-03-02 · ·

A plurality of first current collector parts (112a) are drawn out from a stacked part (100a). An exterior material (200) encloses a battery element (100). A first tab (310) is connected to the plurality of first current collector parts (112a). The plurality of first current collector parts (112a) between the stacked part (100a) and the first tab (310) have a first region (RG1). In the first region (RG1), a thickness of a bundle including the plurality of first current collector parts (112a) in a third direction (Z) decreases from the stacked part (100a) to the first tab (310), and a decrease rate of the thickness decreases from the stacked part (100a) to the first tab (310).