37results about "Printed batteries" patented technology

An activatable dressing of the present disclosure comprises a biocompatible battery including a magnesium-based (Mg) anode; a silver / silver chloride-based (Ag / AgCl) cathode; and a sodium chloride (NaCl) impregnated separator disposed between the anode and cathode in a dry state, the separator comprising an inlet pad configured for introduction of a water-based fluid to the separator for activation of the battery. The activatable dressing further comprises stimulation electrodes electrically coupled to the Mg anode and Ag / AgCl cathode.

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).

The present disclosure presents in various aspects a battery cell structure, a battery structure, a method of forming a battery cell structure, and a method of forming a battery structure. In illustrative embodiments herein, a battery cell structure is provided, the battery cell structure comprising a cathode comprising a cathode-side current collector and a cathode-side active material over the cathode-side current collector, an anode having an anode-side current collector and an anode-side active material over the anode-side current collector, and an electrolyte layer over at least one of the cathode-side active material and the anode-side active material. At least one of the cathode-side current collector and the anode-side current collector comprises a wire routing embedded into or onto an electrically insulating substrate, the wire routing having a space filling routing portion over a respective active material in which a wire routing is routed in a shape of a space filling curve.

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.

The invention relates to a disposable transcranial electrical stimulation device based on an all-printing electronic technology and a preparation method thereof, and the device comprises a flexible printing zinc-manganese battery module which is used for providing a disposable and flexibly-attached low-voltage DC power supply for the device; the gradient resistance network module passively stabilizes and limits the output current to a safe and effective range through a precisely printed resistance pattern; the aluminum film electrochemical timer module is used for realizing automatic circuit break after a set time and forcibly stopping stimulation by utilizing the accurate corrosion rate of an aluminum film under current; and the current fusing protection module is used for fusing the printed wire in a specific geometrical shape through a Joule heating effect when the current exceptions exceed a safety threshold value, and providing rapid overcurrent protection. The wearable disposable tDCS device is ultralow in cost, sanitary, safe, simple in structure and convenient to use and has a passive safety protection function.

A battery cell structure (101, 201, 202) comprising a stack of at least : a first electrically insulating substrate (3), a cathode current collector (15), the first insulating substrate (3) being provided over the cathode current collector (15), a cathode active material layer (13), an electrolyte layer (9), a separator (7), an anode active material layer (17), an anode current collector (19), a second electrically insulating substrate (5) provided over the anode current collector (19). The stack is provided with at least one recess (33, 35, 37, 605) formed by a direct physical contact between the first electrically insulating substrate (3) and the second electrically insulating substrate (5) in at least one region of the stack. Alternatively, the stack is provided with at least one recess (33, 35, 37, 605) formed by a bonding of the first electrically insulating substrate (3) and the second electrically insulating substrate (5) by means of a bonding material (36).

To provide systems and methods for encapsulating thin film batteries and other electronic components that protect the components from the effects of air, moisture, and temperature.SOLUTION: A battery comprising an encapsulation system comprising a first coating layer deposited on the battery, a second coating layer deposited by atomic layer deposition on the first coating layer, and at least a third impermeable coating layer having a water vapor transmission rate (WVTR) of less than 10 - 5g / m2. d, made of a ceramic material and / or a low melting glass, deposited on the outer periphery of the battery or of the first coating layer.SELECTED DRAWING: None

Provided are printed electrochemical cells, which utilize zinc salts for ionic transfer, and methods of fabricating such cells. In some examples, a printed electrochemical cell comprises a positive electrode with a positive current collector having a two-dimensional shape and comprising an electrolyte-facing surface formed by the graphite. For example, the positive current collector may be a graphite foil or an aluminum foil with a graphite coating. The cell also comprises electrolyte comprising an electrolyte salt and an electrolyte solvent. For example, the electrolyte salt comprises a zinc salt with a concentration of at least 30% by weight in the electrolyte. The cell is fabricated by printing a positive active material layer over the positive current collector, printing one or more electrolyte layers on various cell components, and laminating a separator layer between the positive and negative electrodes while soaking the separator layer with the electrolyte.

A flux machine includes a stator and a rotor. A set of electrical coil assemblies with side surfaces and sets of plural permanent magnets are arranged circularly on the stator and the rotor. Pole faces of the magnets are positioned adjacent to and spaced apart from side surfaces of permeable cores of the coil assemblies. In each coil assembly a pair of like pole faces of the magnets mutually face across the permeable core and a third magnet pole face faces transversely relative to the mutually facing pole faces of the pair of magnets.

A biodegradable solid aqueous electrolyte composition, an electrochemical device comprising the electrolyte composition, and a method for preparing the same are provided. The electrolyte composition may include a copolymer hydrogel and a salt dispersed in the hydrogel. The copolymer may include at least two polycaprolactone chains connected to a central polymer block. The electrochemical device may include an anode, a cathode, and the electrolyte composition disposed between the anode and the cathode. The electrolyte composition may include a crosslinked biodegradable polymer material that is radiation-curable prior to crosslinking.

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).

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.

To provide a micro-battery device and a method for manufacturing the same.SOLUTION: A method for manufacturing a micro-battery is provided. The method includes forming a micro-battery device by: forming a first metal anode via and a first metal cathode via in a first substrate; forming a first metal layer on a bottom side of the first substrate; forming a first battery element on a top side of the first substrate; forming an encapsulation layer around the first battery element; forming trenches passing through the encapsulation layer and the first substrate on a plurality of different sides of the first battery element; and forming a metal sealing layer in the trenches so as to cover at least a plurality of sidewall surfaces of the first battery element. Here, the metal sealing layer is electrically connected to the battery element through the first metal layer and the first metal cathode via.SELECTED DRAWING: Figure 1I

An embedded electrode assembly (EMELA), comprising a substrate capable of conducting or storing a charge, wherein said substrate comprises one of a plurality of pores, a network of interconnected empty volumes, or an array of a plurality of pores extending into the substrate and a continuous conductive particle network (CCPN) comprising a plurality of conductive particles, wherein the conductive particles are dispersed within the pores or the interconnected empty volumes of the substrate.

The invention relates to a method of depositing a layer of an electrochemical half-cell or cell, the layer being selected from a group comprising a layer of an electrode, a layer of a solid electrolyte or a protective layer, wherein the method comprises the following steps: (a) producing a mixture comprising: - at least one material which constitutes the solid electrolyte or at least one material which constitutes the electrode or a material which constitutes the protective layer or a mixture of at least one material which constitutes the electrode and at least one material which constitutes the solid electrolyte, - at least one binding agent, and - at least one volatile solvent which is chemically inert with respect to components used; and (b) spraying the mixture produced in step (a) on a solid substrate by means of a spraying device, using an inert gas under a pressure falling within the range of 0.1 to 2 bar, to deposit the layer of an electrochemical half-cell or cell. The invention further relates to a method of producing an electrochemical half-cell or cell wherein at least one layer is deposited by the above-defined method, and to an electrochemical half-cell or cell comprising at least one layer deposited by the above-defined method.

A method for fabricating a multilayer all-solid-state battery is provided. The method involves preparing distinct mixtures for the cathode, anode, and solid electrolyte from particulate materials, metal ions, and a polymeric binder. These mixtures are sequentially screen-printed onto a conductive substrate to form a sandwich structure, where the electrodes cover at least 90% of the battery cell's surface area. The entire structure is then subjected to a low-temperature heat treatment that sinters the particles, creating a dense, fully integrated battery with strong interfacial contact. The resulting battery can achieve high voltages (2.5-28V) and large cell areas (up to 1m x 1m), with a core facilitating superior heat dissipation without additional cooling. The process enables the fabrication of batteries without toxic or flammable materials, enhancing safety and simplifying recycling, making them suitable for powering motor vehicles.

An electrochemical device is disclosed, which includes an anode and a cathode. The electrochemical device also includes an extruded electrolyte composition disposed between the anode and the cathode. The cathode and / or the anode of the electrochemical device may be disposed in a stacked geometry or in a lateral x-y plane geometry. The electrolyte composition may include a gel polymer electrolyte. The electrolyte composition is disposed between the anode and the cathode in a laterally non-continuous pattern. A method of producing an electrolyte layer of an electrochemical device is also disclosed.

The utility model discloses a thin film multi-electrode structure and a battery, relates to the battery technical field, the thin film multi-electrode structure comprises a plurality of electrode main bodies and at least one collector electrode part, the plurality of electrode main bodies are arranged at intervals along a first direction, each electrode main body comprises a plurality of electrode layers which are laminated along a second direction, the collector electrode part is arranged between the two adjacent electrode main bodies, the collector electrode part extends along the second direction so as to be connected with the plurality of electrode layers of the two adjacent electrode main bodies, the first direction and the second direction are arranged orthogonally, and each electrode main body is printed with a plurality of electrode layers, so that the thickness of the electrode main bodies can be increased, and the thickness of the electrode main bodies can be increased; according to the electrode structure, the thickness of a single electrode layer can be reduced, meanwhile, electrons of the multiple electrode layers in the two adjacent electrode bodies can be conducted out through the collector electrode parts, the internal resistance of the two adjacent electrode bodies can be effectively reduced, and therefore the problem of how to reduce the resistance of the electrode structure with the multiple electrode layers is solved.

Various embodiments disclosed relate to a method of forming a composite including a carbon composite structure. The method includes disposing a precursor composition on a substrate. The composition includes a porogen component, a carbon component, and a catalyst component. The method further includes irradiating the precursor composition to form the carbon composite structure.

To provide an improved battery.SOLUTION: The present invention provides a battery comprising: a cathode (3) which is continuously laminated onto a first surface (11) of a support body (1), and at least having a lower surface (32), an upper surface (33), and a side wall (31) directed to a lamination direction from the lower surface (32) to the upper surface (33) in the lamination direction; a solid electrolyte (4); an anode (5). In the battery, a coated part surrounding all of the side wall (31) of the cathode (3) without covering the upper surface (33) of the cathode (3) and contacted to them.SELECTED DRAWING: Figure 10

Micro-battery comprising: an architectural support comprising:. a substrate,. micro-pillars arranged on one face of the substrate, each micro-pillar having a free surface, and. nano-wires arranged on the free surface of at least a portion of the micro-pillars, a first current collector arranged on the architectural support, and a second current collector, a first electrode arranged on the first current collector, and a second electrode, the first and second electrodes being arranged between the first and second current collectors, and an electrolyte arranged between the first and second electrodes.

Screening for screening a material includes: providing active mixing direct-ink-writing of the material, providing in situ characterization substrates or probes that receive the material, and providing active learning planning for screening the material. The providing active mixing direct-ink-writing of the material prints five to ten films. The providing in situ characterization substrates or probes includes printing five to ten films on the substrates or probes with a first set of constituents. The providing active learning planning for screening the material includes providing machine learning that takes the first set of constituents and uses the first set of constituents to dictate a next batch of films to achieve improved additional sets of constituents.

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.

A micro-battery comprising: - a structured support comprising a substrate including micro-pillars disposed on one face of the substrate, each micro-pillar having a free surface, and nano-wires disposed on the free surface of at least a portion of the micro-pillars; - a first current collector disposed on the structured support and a second current collector; - a first electrode disposed on the first current collector, and a second electrode, the first and second electrodes being disposed between the first and second current collectors; and - an electrolyte disposed between the first and second electrodes.

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.

The utility model discloses a printing multi-electrode structure and a battery, relates to the battery technical field, the printing multi-electrode structure comprises a plurality of electrode main bodies and a plurality of collector electrode parts, the plurality of electrode main bodies are arranged along the first direction at intervals, each electrode is provided with two electric connection sides in the first direction, each electrode main body comprises a plurality of electrode layers which are stacked along a second direction, the plurality of collector electrode parts are respectively arranged corresponding to the plurality of electrode main bodies, at least one electric connection side of each electrode main body is provided with a collector electrode part, and each collector electrode part extends along the second direction so as to be connected with the plurality of electrode layers of the corresponding electrode main body; each collector electrode part and the adjacent electrode main body are arranged at an interval, and at least one electric connection side of each electrode main body is provided with the collector electrode part so as to be connected with a plurality of electrode layers of the corresponding electrode main body, so that the internal resistance of the corresponding electrode main body can be effectively reduced; therefore, the problem that the resistance of an electrode structure with a plurality of electrode layers is too high is solved.

To provide a solid secondary battery with high safety.SOLUTION: A solid secondary battery includes a first film with a function of releasing and accumulating lithium ions on a negative electrode current collector, a second film with a function of transporting lithium ions on the first film, a third film with a function of releasing and accumulating lithium ions on the second film, and a positive electrode current collector layer on the third film. The total film thickness of the first to third films is the same before and after charging.SELECTED DRAWING: Figure 2

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.

The present application relates to a laminating machine, including a first heating device, a first sheet material device, a second sheet material device, and a first combining device, the first combining device includes a heating mechanism and a rolling mechanism. A first sheet material, a first material strip, and a second sheet material are heated and pressed by the heating mechanism and the rolling mechanism, compared with a combination method of a PET film and an oven, it is not necessary to set arrange the PET film, cost of the PET film, arranging a PET film unwinding mechanism, and arranging a PET film winding mechanism is reduced, and occupied space is reduced, manufacturing cost is reduced, and there is no need to set up a longer oven, which improves combination efficiency and production efficiency, and further saves space and reduces device cost.