75results about "Printed batteries" patented technology

Various examples disclosed relate to a method of manufacturing a mechanically stabilized material that includes a nanostructure. The method includes providing a curable material disposed on a substrate. The curable material includes inorganic nanoparticles. The method further includes exposing the curable material and the substrate to pulsed electromagnetic radiation to form the mechanically stabilized material.

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.

Example embodiments relate to multiple battery configurations for space utilization. One embodiment includes a device. The device includes a primary battery. The device also includes an auxiliary battery configured to supply auxiliary electrical power. A first surface of the auxiliary battery is positioned along a first surface of the primary battery. The auxiliary battery is a thin-film battery. The first surface of the auxiliary battery has a smaller area than the first surface of the primary battery.

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.

Various embodiments disclosed relate to methods of manufacturing textured surfaces nanoimprint lithography with nanoparticulate inks. The present invention provides methods that allow flexible patterning of substrates with features having complex geometries.

A solid-state battery cell and a method of making the same are disclosed. The battery cell includes a substrate, a cathode on or over the substrate, a solid-state electrolyte on the cathode, an anode current collector (ACC) on the solid-state electrolyte, a conductive bump on the ACC, an insulator layer on the ACC and having a sidewall portion, and a conductive redistribution layer in ohmic contact with the conductive bump and on the insulator layer, including the sidewall portion. The insulator layer surrounds the conductive bump and exposes a surface of the conductive bump. The method includes printing the conductive bump on the ACC, printing the insulator layer on the ACC and a sidewall of the ACC, solid-state electrolyte, cathode and substrate, and forming the conductive redistribution layer on the exposed conductive bump and the insulator layer, including the sidewall portion.

To produce a zinc-manganese dioxide battery, a first and a second electrical conductor are applied onto an electrically non-conductive substrate. A layered negative electrode and a layered positive electrode are formed from a paste onto the electrical conductor, and then at least one electrolyte layer is applied onto the negative electrode and / or onto the positive electrode and / or onto the layered separator. A stack of layers with a continuous electrode / separator / positive electrode is then formed. In addition to the active material and the electrode binder, each electrode paste contains a solvent and / or a dispersant. The paste for producing at least one electrolyte layer contains, in addition to at least one water-soluble chloride-containing salt, mineral particles, and a solvent and / or a dispersant, the proportion of mineral particles in the paste being at least 5% by weight and at most 60% by weight. It can be supplied in a set with the electrode paste. In the finished battery, the mineral particles are located at the connection between the electrode and the separator and form a boundary layer permeable to the electrolyte.

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).

The electrolyte hydrogel (14) is based on a self-standing polymer network comprising a cross-linked nonionic polymer and a cationic polymer, and a salt in an aqueous solvent and / or dispersant. In the process of preparing the electrolyte hydrogel, a composition (100) is provided, comprising (i) a cross-linkable nonionic polymer; (ii) a cationic polymer; (iii) an aqueous solvent and / or dispersant; and (iv) a salt that is soluble in the aqueous solvent and / or dispersant. The composition is applied in the form of a layer onto a support (13). The electrolyte hydrogel is obtained by treating the layer to cause cross-linking of the nonionic polymer. The electrolyte hydrogel is suitable for use as an ion-conducting electrolyte in an electrochemical cell.

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

A method of processing a stack of layers to provide a stack of discrete layer elements, comprises the steps of: providing a stack of layers comprising: #a first layer (20) provided by a first material; #a third layer (16) provided by a solid electrolyte; and #a second layer (18) located between the first and third layers, the second layer having a thickness of at least 500 nm and being provided by a second material comprising at least 95 atomic % amorphous silicon; removing a through-thickness portion of the first layer (20) to form a first discrete layer element (20a) provided by the first material; removing a through-thickness portion of the second layer (18) to form a second discrete layer element (18a) provided by the second material, the second discrete layer element being located between the first discrete layer element (20a) and the solid electrolyte; and etching the third layer (16) using the second discrete layer element (18a) as an etching mask, to form a third discrete layer element (16a) provided by the solid electrolyte; wherein the first, second and third discrete layer elements provide the stack of discrete layer elements.