57results 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).

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 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.

Aspects relate to patterned nanostructures having a feature size not including film thickness of below 5 microns. The patterned nanostructures are made up of nanoparticles having an average particle size of less than 100 nm. A nanoparticle composition, which, in some cases, includes a binder, is applied to a substrate. A patterned mold used in concert with electromagnetic radiation function to manipulate the nanoparticle composition in forming the patterned nanostructure. In some embodiments, the patterned mold nanoimprints a pattern onto the nanoparticle composition and the composition is cured through UV or thermal energy. Three-dimensional patterned nanostructures may be formed. A number of patterned nanostructure layers may be prepared and joined together. In some cases, a patterned nanostructure may be formed as a layer that is releasable from the substrate upon which it is initially formed. Such releasable layers may be arranged to form a three-dimensional patterned nanostructure for suitable applications.

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 method of 3D printing a battery includes extruding a first electrode ink formulation through a first deposition nozzle moving relative to a substrate, and depositing one or more continuous filaments comprising the first electrode ink formulation on the substrate to print a first electrode. A separator ink formulation is extruded through a second deposition nozzle moving relative to the substrate, and one or more continuous filaments comprising the separator ink formulation is deposited on the first electrode to print a separator precursor, which is then cured to form a separator. A second electrode ink formulation is extruded through a third deposition nozzle moving relative to the substrate, and one or more continuous filaments comprising the second electrode ink formulation is deposited to print a second electrode on the separator. The first and second electrodes and the separator are enclosed in a package, thereby forming a battery with thick electrodes.

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 solid-state secondary battery with high safety is provided. The solid-state secondary battery includes a first film that has a function of releasing and accumulating a lithium ion and is over a negative electrode current collector layer, a second film that has a function of transporting a lithium ion and is over the first film, a third film that has a function of releasing and accumulating a lithium ion and is over the second film, and a positive electrode current collector layer over the third film. The total thickness of the first to third films is the same before and after charging.

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 device may include a battery electrode including a substrate having one or more polymeric materials and a layer disposed on the substrate. The layer may include one or more conductive materials, have a thickness of no greater than 12 microns, and have a porosity of at least 5% in volume. In addition, the electrode layer including the seed layer may include a plurality of fused nanoparticles. The electrode layer may also include a lithium metal layer disposed on the plurality of fused nanoparticles. The electrode layer may be formed by creating a seed layer including nanoparticles on the polymer current collector layer. The formulation forming the seed layer may include nanoparticles having ligands, and then the ligands are removed using one or more thermal treatment processes and / or one or more chemical treatment methods. The seed layer may be electrically conductive and act as a current collector when disposed on a polymer substrate.

A method for determining one or more characteristics of a stack of energy storage devices, comprising obtaining a stack of energy storage devices, the stack comprising one or more layers; laser ablating the stack to form incisions through the one or more layers, thereby generating one or more laser ablation products; analyzing the laser ablation products using a mass spectrometry-based analytical technique to thereby determine one or more characteristics of the stack. Also disclosed is an apparatus for determining one or more characteristics of a stack of energy storage devices.

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.

Aspects relate to patterned nanostructures having a feature size not including film thickness of below 5 microns. The patterned nanostructures are made up of nanoparticles having an average particle size of less than 100 nm. A nanoparticle composition, which, in some cases, includes a binder, is applied to a substrate. A patterned mold used in concert with electromagnetic radiation function to manipulate the nanoparticle composition in forming the patterned nanostructure. In some embodiments, the patterned mold nanoimprints a pattern onto the nanoparticle composition and the composition is cured through UV or thermal energy. Three-dimensional patterned nanostructures may be formed. A number of patterned nanostructure layers may be prepared and joined together. In some cases, a patterned nanostructure may be formed as a layer that is releasable from the substrate upon which it is initially formed. Such releasable layers may be arranged to form a three-dimensional patterned nanostructure for suitable applications.

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.

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 discloses a lithium electrode. The electrically conductive structure layer has a recess with one-side opening, and the lithium metal layer is disposed on the bottom of the recess. The solid electrolyte layer and the electrolyte storage layer are disposed thereon sequentially. When the lithium metal is plated, the plated lithium metal is restricted by the solid electrolyte layer to push and compress the electrolyte storage layer. Therefore, the growth of the lithium dendrites is limited efficiently. The penetration through issue of the lithium dendrites will not be occurred so that the safety of the lithium metal battery is improved greatly.

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 may include an anode, a cathode, and a molded electrolyte composition disposed between the anode and the cathode. Implementations of the electrochemical device may include where the cathode and / or the anode are disposed in a stacked geometry. The electrolyte composition may include a gel polymer electrolyte, which can include a hydrogel of a copolymer and a salt dispersed in the hydrogel of a copolymer. The electrolyte composition may alternatively include a crosslinker or a photoinitiator. A method of producing an electrolyte layer of an electrochemical device is also disclosed, including preparing a substrate having an electrode for an electrochemical device, preparing a gasket to form a cavity on the substrate for the electrolyte layer, and depositing an electrolyte composition onto the substrate

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.

A thin-film energy storage device having a substrate; a first electrode containing a fuse portion; a second electrode; an electrolyte between the first electrode and the second electrode; and an electrical connector, different from the first electrode, connected to the first electrode by the fuse portion.