24results about "Electrode screen printing" patented technology

A method for manufacturing an electrochemical device that may be selected from the group consisting of: lithium ion batteries with a capacity greater than 1 mAh, capacitors, supercapacitors, resistors, inductors, transistors, photovoltaic cells, fuel cells, implementing a method for manufacturing an assembly comprising a porous electrode and a porous separator comprising a porous layer deposited on a substrate having a porosity comprised between 20% and 60% by volume, and pores with an average diameter of less than 50 nm.

The present invention relates to a liquid ejecting apparatus, an electrode forming apparatus, a multilayer separator forming apparatus, and a liquid ejecting method, which perform printing without causing liquid to adhere to a conveyance surface in marginless printing in which not only a surface of an electrode base but also a side surface is printed. In marginless printing in which not only a surface of an electrode base but also a side surface is printed, a liquid adhering member for performing printing without causing liquid to adhere to a conveyance surface can be provided with high accuracy with a small and simple apparatus. The apparatus includes a conveyance section that conveys a base, a liquid adhering member that is provided on the conveyance section and is partially sandwiched between an end portion of the base and the conveyance section, and an ejecting section that ejects a liquid composition toward the base and the liquid adhering member, the base being inclined to a conveyance surface of the base in the conveyance section.

The present disclosure is directed to electrochemical cells having injection molded or 3D printed components, such as cathodes, anodes, and / or electrolytes, and methods for making such electrochemical cells. The cathodes, anodes, and / or electrolytes can be formed from a binder resin and various conductive and active materials, mixtures of which are injected into a mold under heat and pressure to form the components of the electrochemical cells. The cathode can include conductive metallic powder, flakes, ribbons, fibers, wires, and / or nanotubes. Further, electrochemical arrays can be formed from multiple electrochemical cells having injection molded or 3D printed components.

A binder powder for a non-aqueous secondary battery electrode, comprising a particulate polymer having an average primary particle diameter of 0.3 µm or more, wherein a proportion of particles having a particle diameter greater than 250 µm is 10% by weight or less.

A positive electrode layer for an all-solid-state battery includes a positive electrode current collector, and first and second positive electrode active material layer disposed on opposing surfaces of the positive electrode current collector. The first and second positive electrode active material layers include positive electrode active material particles. When straight lines perpendicular to the positive electrode current collector are drawn from the positive electrode current collector in a direction of the first and second positive electrode active material layers, an average number of positive electrode active material particles crossing each straight line is greater than 0 and less than or equal to 8. A ten-point average roughness of a surface roughness of the positive electrode layer is greater than 0 μm and less than 25.2 μm, or a maximum height of a surface roughness of the positive electrode layer is greater than 0 μm and less than 24.4 μm.

Provided are electronic circuits, comprising electrochemical cells directly integrated with other devices of the circuits, and methods of manufacturing these circuits. The direct integration occurs during cell manufacturing, which allows sharing components, reducing operation steps and failure points, and reducing cost and size of the circuits. For example, a portion of a cell enclosure may be formed by a circuit board, providing direct mechanical integration. More specifically, the cell is fabricated right on the circuit board. In the same or other examples, one or both cell current collectors extend outside of the cell boundary and used by other devices, providing direct electrical integration without a need for intermediate connections and eliminating additional failure points. Furthermore, printing one or more components of electrochemical cells, such as electrolytes and current collectors, allows achieving higher levels of mechanical and electrical integration that are generally not available in conventional cells.

A method of manufacturing a component for an energy storage or energy conversion device includes providing a sheet having a plurality of thickness-wise openings, forming a slurry including particles of a ceramic material, depositing the slurry on the sheet having the plurality of thickness-wise openings, and sintering the slurry at a sintering temperature greater than 300°C and less than or equal to 900°C.

A method of manufacturing an electrode precursor (P) of an electrochemical cell comprises the steps of: - providing a powdered solid substance (S) comprising at least one electrode active material; 5 - feeding a current collector metal foil (2) to an inkjet printing station (3) along a transport direction (T); - inkjet printing a hardenable liquid substance (L) on said metal foil (2) to form a print pattern on the metal foil (2); - applying the powdered solid substance (S) on the hardenable liquid substance 0 (L) printed on the metal foil (2); and - hardening the hardenable liquid substance (L) so as to form on the metal foil (2) a layer of electrode active material comprising the electrode active material.

The present invention relates to a porous electrode for use in electrical energy storage or production devices, such as a lithium ion battery. Said porous electrode is a porous layer comprising at least an active electrode material P and an electronic conductive oxide material.

The invention provides devices for active modification of NIR radiation, the devices comprising: (i) a substrate; (ii) one or more polymeric permeable membranes comprising an ionic liquid electrolyte; (iii) one or more electrodes comprising carbon nanotubes and a transition metal oxide; and (iv) a protective encapsulation layer. The invention also provides methods of making such devices.

A battery (100) suitable for powering a wireless tag (119) includes a first sub-cell and a second sub-cell (114, 115) formed as a layer stack, each sub-cell having a negative electrode (107b, 107c) and a positive electrode (108b, 108c), a separator (117b, 117c) arranged between the positive and negative electrodes, and a plurality of separate electrical conductors (101, 102, 103), including a first conductor (101) in electrical contact with one of the electrodes (107b) of the first sub-cell (114); The device includes a second conductor (102) that electrically connects the electrode (108b) of the first unit cell (114) that is not in contact with the first conductor (101) to the electrode (107c) of the second unit cell (115) having the opposite polarity to form a series connection, a third conductor (103) that is in electrical contact with the electrode (108c) of the second unit cell (115) that is not in contact with the second conductor (102), and a first substrate (109a, 109b) between which the unit cells (114, 115) and the conductors (101, 102, 103) are arranged. The first conductor and the third conductor (101, 103) are arranged at a distance from each other on the first substrate (109a), while the second conductor (102) is arranged on the second substrate (109b). The electrically connected electrodes (108b, 107a) of the first and second sub-cells (114, 115) are arranged side by side in the form of layers on the second substrate (109b), each covering a partial area of ​​the second conductor (102) and separated from each other by a gap (110). The electrodes (107b, 108a) that are not connected to each other via the second conductor (102) are arranged in the form of layers on the first substrate (109a), such that the electrode (107b) in electrical contact with the first conductor (101) covers at least a portion of the first conductor (101) and the electrode (108c) in electrical contact with the third conductor (103) covers at least a portion of the third conductor (103). The separators (117b, 117c) of the single cells (114, 115), also in the form of layers, each have one surface contact with one of the electrically connected electrodes (108b, 107c) and their other surface contact with one of the non-electrically connected electrodes (107b, 108c).

The present invention relates to a porous electrode usable in electrical energy storage or production devices, such as a lithium-ion battery. This porous electrode is a porous layer comprising at least one active electrode material P and an electronically conductive oxide material.

Embodiments of the present disclosure include a screen-printed anode with three or more layers, where each layer is printed with a different porosity to optimize the electrode for maximum capacity. Embodiments of the present disclosure include a screen-printed anode wherein the anode comprises graphite with a porosity of 100 μm and edge-to-edge differences of 200 to 400 μm. Embodiments of the present disclosure include a LI based cell comprising a screen-printed anode comprising graphite with at least one layer with a porosity of 100 μm and edge-to-edge differences of 200 to 400 μm; a screen printed cathode comprising a Li-based active material with a pore diameter of about 1000 μm.

The present application relates to a method for producing an electrode for a lithium secondary battery, a transfer laminate, and a lithium secondary battery including the electrode.

A component for use in an energy storage device or an energy conversion device has a first part including particles of a ceramic material; and a second part at least partially embedded in the first pa

In one aspect, a method for manufacturing a battery includes forming a battery cell relative to a substrate using a layer-deposition sub-process, with the layer-deposition sub-process including: depositing a layer of first electrode material relative to the substrate; depositing a first layer of electrolyte material on top of the layer of first electrode material; depositing a layer of second electrode material on top of the first layer of electrolyte material; and depositing a second layer of electrolyte material on top of the layer of second electrode material. Additionally, the method includes cycling through the layer-deposition sub-process one or more additional times to form one or more additional battery cells relative to the substrate, with each additional battery cell being formed on top of a previously formed battery cell such that a battery cell stack is created relative to the substrate.

An electrochemical energy storage cell includes a first electrically insulating substrate and a first electrical conductor layer extending on an area of the first electrically insulating substrate, a second electrically insulating substrate and a second electrical conductor layer extending on an area of the second electrically insulating substrate, a first electrode layer composed of positive electrode material, a second electrode layer composed of negative electrode material, a first separator layer, a stacked arrangement of the layers: the first electrically insulating substrate—the first electrical conductor layer—the first electrode layer—the first separator layer—the second electrode layer—the second electrical conductor layer—the second electrically insulating substrate, a first electrolyte enabling an ion flow between the electrode layers, an electrode region with the stacked arrangement of the electrode layers and a supercapacitor region, a second separator layer, a second electrolyte enabling an ion flow between the supercapacitor layers.

In one aspect, a method for manufacturing a battery includes forming a battery cell relative to a substrate using a layer-deposition sub-process, with the layer-deposition sub-process including: depositing a layer of first electrode material relative to the substrate; depositing a first layer of electrolyte material on top of the layer of first electrode material; depositing a layer of second electrode material on top of the first layer of electrolyte material; and depositing a second layer of electrolyte material on top of the layer of second electrode material. Additionally, the method includes cycling through the layer-deposition sub-process one or more additional times to form one or more additional battery cells relative to the substrate, with each additional battery cell being formed on top of a previously formed battery cell such that a battery cell stack is created relative to the substrate.

1. A method for producing an electrode having a porosity comprised between 20% and 60% by volume and pores with an average diameter of less than 50 nm, the method comprising: (a) The substrate and the primary mean diameter D between 2 nm and 100 nm 50 and a colloidal suspension containing aggregates or agglomerates of monodisperse primary nanoparticles of an electrode active material, the aggregates or agglomerates having an average diameter D between 50 nm and 300 nm. 50 and (b) depositing a layer from said colloidal suspension onto said substrate by a technique selected from the group consisting of electrophoresis, printing techniques, and coating techniques; (c) drying the layer obtained in step (b) and solidifying it by applying pressure and / or heat to obtain a mesoporous layer; (d) depositing a coating of electronically conductive material on and within the pores of said porous layer; This porous electrode can be used in lithium-ion microbatteries.

The present invention relates to a porous electrode usable in electrical energy storage or production devices, such as a lithium-ion battery. This porous electrode is a porous layer comprising at least one active electrode material P and an electronically conductive oxide material.

The present invention relates to a porous electrode useful in an electrical energy storage device or an electrical energy production device, such as a lithium ion battery. The porous electrode is a porous layer comprising at least one electrode active material P and an oxide electron conductor material.

The invention relates to a method for printing a substrate (1) with a sealant and / or adhesive (2) using a template (3) which has an upper face (3.1), a lower face (3.2), and at least one recess (4) which extends from the upper face (3.1) to the lower face (3.2), comprising the steps ofproviding a substrate (1) which has a surface (1.1) to be printed comprising at least one local raised section (6),placing the template (3) on the at least one local raised section (6) such that a gap (5) remains between the lower face (3.2) of the template (3) and the surface (1.1) to be printed,applying the sealant and / or adhesive (2) onto the upper face (3.1) of the template (3),filling the at least one recess (4) of the template (3) with the sealant and / or adhesive (2) using a doctor blade (7) which is drawn over the upper face (3.1) of the template (3) in a specified doctor blade direction (8), wherein air present in the recess (4) can be forced out of the recess (4) via the gap (5).The invention additionally relates to an electrochemical cell comprising a printed seal (11).

An electrochemical energy storage cell (110) with a layered structure is proposed, comprising an electrode region (200) and a supercapacitor region (300). The energy storage cell comprises a first electrically insulating substrate, a first electrically conductive layer (101, 102, 111, 112) extending over an area of ​​the substrate, a second electrically insulating substrate, a second electrically conductive layer (101, 102, 111, 112) extending over an area of ​​the substrate, a first electrode layer (120) made of positive electrode material, a second electrode layer (130) made of negative electrode material, and a separator layer (160).In the supercapacitor region (300), a section of the first electrically conductive layer (101, 102, 111, 112) is covered with a first supercapacitor layer made of a supercapacitor material, and a section of the second electrically conductive layer (101, 102, 111, 112) is covered with a second supercapacitor layer made of a supercapacitor material. The electrode layers are arranged in a stacked sequence: first electrically insulating substrate – first electrically conductive layer (101, 102, 111, 112) – first electrode layer (120) – first separator layer (160) – second electrode layer (130) – second electrically conductive layer (101, 102, 111, 112) – second electrically insulating substrate.The supercapacitor layers are arranged in a stacked sequence: first electrically insulating substrate – first electrical conductor layer (101, 102, 111, 112) – first supercapacitor layer – second separator layer – second supercapacitor layer – second electrical conductor layer (101, 102, 111, 112) – second electrically insulating substrate. Furthermore, the electrochemical energy storage cell comprises at least one electrolyte that enables ion flow between the electrode layers (120, 130) and between the supercapacitor layers.

The present invention relates to a lithium secondary battery having excellent lifespan characteristics by including a negative electrode improved in protection against degradation due to volume expansion of a negative electrode active material at the time of charging and discharging the lithium secondary battery, and a method of manufacturing the same.