47results about "Electrode screen printing" patented technology

Systems, methods, and other embodiments associated with high speed, high precision direct deposition of patterned dry powder. In one embodiment, an example apparatus includes a patterning device and a powder delivery system delivering dry powder onto an interior surface of the patterning device. The interior surface of the patterning device is configured to include a screen having top and bottom surfaces and a plurality of openings positioned between the top and bottom surfaces, whereby each opening is configured to contain a portion of the received dry powder. The bottom surface of the screen forming the exterior surface of the patterning device. The interior surface includes a blade configured to be positioned adjacent to the interior surface of the screen to force the portion of dry powder through the interior surface and into a corresponding opening of the screen thereby patterning each portion of dry powder.

Systems, methods, and other embodiments associated with high speed, high precision direct deposition of patterned dry powder. In one embodiment, an example apparatus includes an intermediate substrate having an exterior surface configured to move patterned dry powder towards a target substrate, the exterior surface further configured to move and enclose a volume, a patterning device communicably coupled to the intermediate substrate and configured to form patterned dry powder on the exterior surface of the intermediate substrate, and a pressing mechanism configured to apply heat and pressure to the patterned dry powder positioned vertically above an upper surface of the target substrate to disrupt the adhesion of the patterned dry powder positioned vertically above the upper surface of the target substrate and transfer and adhere the patterned dry powder to the upper surface of the target substrate as a fused patterned layer.

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.

To provide an all-solid battery capable of achieving improvement of battery characteristics, improvement of reliability and yield rate improvement.SOLUTION: An all-solid battery comprises a multilayer chip configured by laminating solid electrolyte layers and internal electrode layers alternately in a first direction. The plurality of internal electrode layers are alternately drawn to two end faces opposed to each other in a second direction, which is orthogonal to the first direction, in the multilayer chip and a blank part is provided around the internal electrode layer. In a view in the first direction, an overlap part is formed where a peripheral edge part and the blank part of the internal electrode layer partially overlap in a third direction which is orthogonal to the first direction and the second direction. In a case where an angle formed by a straight line connecting a tip end point E1 of the internal electrode layer on the side of the blank part with a tip end point E2 of the blank part on the side of the internal electrode layer in the third direction and a straight line connecting both ends of the internal electrode layer in the third direction is defined as θ, while a thickness of the blank part is defined as t1 and a length between the tip end point E1 and the tip end point E2 in the third direction is defined as d, a relation of 0.1×t1 / tanθ≤d≤2.0×t1 / tanθ is established.SELECTED DRAWING: Figure 6

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 for producing a bipolar electrode includes obtaining a bipolar electrode respectively having a positive electrode mixture layer and a negative electrode mixture layer at both surfaces of an electrode foil through: a positive electrode mixture coating step of coating a positive electrode mixture coating liquid on one surface of an electrode foil and drying the positive electrode mixture coating liquid, to form a positive electrode mixture coating film; a first pressing step of pressing the electrode foil having the positive electrode mixture coating film; a negative electrode mixture coating step of coating a negative electrode mixture coating liquid on another surface of the electrode foil by a screen printing method and drying the negative electrode mixture coating liquid, to form a negative electrode mixture coating film; and a second pressing step of pressing the electrode foil having the negative electrode mixture coating film.

A method for manufacturing an electrode for a lithium secondary battery is described, as well as an electrode intermediate, and a lithium secondary battery including the electrode. The method comprises forming an electrode current collector layer and an electrode active material layer on one surface or both surfaces of the electrode current collector layer; preparing a transfer laminate in which a base material film, a transfer force enhancing layer, and a lithium metal layer are sequentially stacked; forming a transfer start portion by removing the lithium metal layer in a transverse direction (TD); transferring the lithium metal layer having the transfer start portion formed thereon, on top of the electrode active material layer; and removing the base material film.

A binder powder for nonaqueous secondary battery electrodes, which contains a particulate polymer having an average primary particle diameter of 0.3 [mu] m or more, and in which the proportion of particles having a particle diameter greater than 250 [mu] m is 10% by weight or less.

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).

To provide a battery having lithiated or prelithiated components that are capable of rapid charging and have improved safety and efficiency, and further to provide a battery having a silicon anode that reduces volume expansion and irreversible capacity loss when lithium is alloyed with silicon.SOLUTION: A battery includes a cathode and an anode having a three-dimensional porous skeleton. The anode includes an anode active material lithiated with a lithium source. Lithium particles from the lithium source are alloyed or intercalated with the anode active material during diffusion to form a three-dimensional porous skeleton. The porous skeleton reduces electrode degradation due to volume expansion.SELECTED DRAWING: None

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.

An electrode for a lithium-ion battery is provided, which has an active layer containing a linear styrene-ethylene / butylene-styrene (SEBS) copolymer as a binder. The SEBS copolymer as a binder is characterized by a melt flow rate (MFR) of 4 to 220 g / 10 min measured at 230°C under a 2.16 kg load, a molecular weight of less than 100,000 g / mol, particularly 50,000 g / mol to 100,000 g / mol, and a styrene content of 10 to 20 wt%. An electrode, which can be a cathode or anode, and a method for preparing a Li-ion battery including such an electrode are also provided.

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

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.

The present application relates to a method for manufacturing an electrode for a lithium secondary battery, an electrode intermediate, and a lithium secondary battery including an electrode.

The invention relates to a solid state energy storage module featuring a cathode, solid electrolyte, and anode, all applied via screen printing. This module is designed for versatility and flexibility, characterized by a Young's modulus below 1 GPa. It uniquely excludes the use of certain hazardous and rare materials, such as lithium and cadmium, enhancing its environmental and safety profile. The energy storage module is adaptable for integration into a myriad of applications, including consumer electronics, vehicles, and energy systems, as well as photovoltaic systems like solar panels. It is also suitable for wearable technologies and industrial uses. The manufacturing method involves screen printing these components, with potential inclusion of a protective layer and photovoltaic elements. This approach not only enhances the module's functionality but also broadens its applicability across diverse sectors, emphasizing a sustainable and innovative solution for modern energy storage needs.

According to a method for producing an electrode for an electrochemical memory cell, a metal foil (10) is first provided. The metal foil (10) is masked with a masking foil (20), the masking foil (20) having a plurality of masking patterns (21). An electrode paste (30) is applied to the metal foil (10) masked by the mask foil (20) and then removed from the metal foil (10) such that an electrode region (31) having the electrode paste (30) remains on the metal foil (10) according to the mask pattern (21). The electrode region is separated into electrodes by separating the electrode region from the metal foil.

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.