202 results about "Flexible battery" patented technology

The invention discloses a high-precision distance expanding device and method for a flexible assembly battery piece, and belongs to the technical field of flexible batteries. The device comprises a supporting frame, a vacuum adsorption assembly, a transverse crank distance expanding assembly and a longitudinal sliding piece distance expanding assembly; the vacuum adsorption assembly is used for adsorbing a plurality of battery pieces which are tidily laid and close to each other through the bottom surface; the transverse crank distance expansion assembly is used for driving the vacuum adsorption assembly to be split from a first direction so as to separate the plurality of battery pieces at equal intervals; the longitudinal slip sheet distance expansion assembly is used for driving the vacuum adsorption assembly to be split from a second direction so as to separate the plurality of battery pieces at equal intervals; according to the device, transverse distance expansion and longitudinal distance expansion are synchronously completed through the integrated device, the three independent procedures of transverse distance expansion, circulation and longitudinal distance expansion in the prior art are effectively simplified, the production period is shortened, distance expansion is directly completed in a single device, dislocation, deviation or damage caused by circulation after transverse distance expansion of a battery piece is avoided, and the production efficiency is improved. And thus, the battery yield is improved.

The invention discloses a montmorillonite-doped composite solid polymer electrolyte as well as a preparation method and application thereof. According to the preparation method, a commercial silane coupling agent taking amino as a main functional group reacts with montmorillonite to prepare amino-functionalized modified montmorillonite. The modified montmorillonite is then compounded with polyoxyethylene and a lithium salt to form a solid electrolyte material. The preparation method provided by the invention has the characteristics of simple operation and high safety, and is suitable for large-scale industrial continuous production. The prepared composite solid polymer electrolyte has the characteristics of excellent ionic conductivity, wide electrochemical stability window and excellent compatibility with an electrode material, and the safety of the lithium ion battery is effectively improved through the combined action of the characteristics. Besides, the composite solid polymer electrolyte prepared by the method disclosed by the invention is particularly suitable for development and production of flexible batteries due to high mechanical strength and good chemical stability.

The invention discloses a passive electronic cigarette, and relates to the technical field of electronic cigarettes, and the passive electronic cigarette comprises a base, a lithium battery, a flexible battery and a cigarette rod; the lithium battery and the cigarette rod are vertically arranged on the upper surface of the base and are electrically connected; the flexible battery wraps the outer surface of the lithium battery and is electrically connected with the lithium battery; the flexible cell comprises a flexible substrate and a weak light response material. The flexible substrate is wound on the outer surface of the lithium battery, and the weak light response material is arranged on the flexible substrate; and the weak light response material is electrically connected with the lithium battery. The use convenience of the electronic cigarette is improved.

Flexible electronic devices may be provided. A flexible electronic device may include a flexible display, a flexible housing and one or more flexible internal components configured to allow the flexible electronic device to be deformed. Flexible displays may include flexible display layers, flexible touch-sensitive layers, and flexible display cover layers. The flexible housing may be a multi-stable flexible housing having one or more stable positions. The flexible housing may include a configurable support structure that, when engaged, provides a rigid support structure for the flexible housing. The flexible internal components may include flexible batteries, flexible printed circuits or other flexible components. A flexible battery may include flexible and rigid portions or may include a lubricious separator layer that provides flexibility for the flexible battery. A flexible printed circuit may include flexible and rigid portions or openings that allow some rigid portions to flex with respect to other rigid portions.

The invention discloses a silicon wafer and a preparation method thereof, and a solar cell, the silicon wafer comprises a silicon substrate, the side edge of the silicon substrate is coated with a protective coating, and the protective coating integrally extends to the front edge and / or the back edge of the silicon substrate; according to the invention, the edge of the silicon wafer is prevented from being chemically corroded and mechanically damaged by arranging the protective coating, so that the silicon wafer maintains the original bendable performance in the process of manufacturing the solar cell, and the reliability of the bendable silicon wafer is powerfully guaranteed; and therefore, the production qualification rate of the manufactured bendable solar cell (namely a flexible cell piece) is ensured.

The present disclosure generally relates to a non-aqueous polymer electrolyte precursor. In particular, the non-aqueous polymer electrolyte precursor of the present disclosure comprises a liquid electrolyte and a solvated polymer matrix. The present disclosure also relates to a non- aqueous polymer electrolyte obtained from the non-aqueous polymer electrolyte precursor. The present disclosure also relates to methods for preparing a non-aqueous polymer electrolyte and a non-aqueous polymer electrolyte, and the use of these in electrochemical cells.

Flexible electronic devices may be provided. A flexible electronic device may include a flexible display, a flexible housing and one or more flexible internal components configured to allow the flexible electronic device to be deformed. Flexible displays may include flexible display layers, flexible touch-sensitive layers, and flexible display cover layers. The flexible housing may be a multi-stable flexible housing having one or more stable positions. The flexible housing may include a configurable support structure that, when engaged, provides a rigid support structure for the flexible housing. The flexible internal components may include flexible batteries, flexible printed circuits or other flexible components. A flexible battery may include flexible and rigid portions or may include a lubricious separator layer that provides flexibility for the flexible battery. A flexible printed circuit may include flexible and rigid portions or openings that allow some rigid portions to flex with respect to other rigid portions.

The utility model relates to the technical field of biological information monitoring, and discloses a thin biological information monitoring device convenient to assemble, which comprises a flexible circuit board, a biological electrode and a flexible battery, an electronic element is arranged on the top surface of the flexible circuit board, the flexible battery is attached to the bottom of the flexible circuit board, the biological electrode is attached to the bottom of the flexible battery, and the flexible battery is located between the flexible circuit board and the flexible battery; a connecting end extends out of the peripheral side of the flexible circuit board, and the connecting end is bent and extends to one surface of the biological electrode along the peripheral side of the flexible battery; the connecting end is provided with a fifth power supply bonding pad group, and the flexible circuit board is electrically connected with the biological electrode through the fifth power supply bonding pad group; and a sixth power supply bonding pad group of the flexible circuit board is electrically connected with the flexible battery. According to the design, ultra-thin glue is adopted for attaching and packaging, the product size is reduced, the flexible circuit board layer, the annular flexible battery layer and the biological electrode layer are sequentially assembled in a laminated mode and electrically connected through the conductive bonding pad set, assembling is convenient, and the production efficiency is improved.

The flexible battery comprising multiple power generation elements. Each of the power generation elements comprises a positive electrode, a negative electrode, and a solid electrolyte layer arranged between the positive and negative electrodes. The positive electrode comprises a positive electrode composition layer and a conductive substrate in a form of a sheet arranged on the surface of the positive electrode composition layer. The negative electrode comprises a negative electrode composition layer and a conductive substrate in a form of a sheet arranged on the surface of the negative electrode composition layer. The multiple power generation elements are arranged on a flexible substrate. Each positive electrode is directly connected to a current collector, thereby connecting the positive electrodes to each other via the current collector. Each negative electrode is directly connected to a current collector, thereby directly connecting the negative electrodes to each other via the current collector.

Provided is a flexible battery module. The battery module includes a flexible substrate part and a battery part. The flexible substrate part includes a metal layer that functions as electrical wiring. The battery part has: an exterior body; and electrodes (positive electrode and negative electrode) and connection terminals (positive electrode terminal and negative electrode terminal), which are provided in a space surrounded by the exterior body. Inside the battery part, the electrodes are connected to the connection terminals, and in addition, the connection terminals and the metal layer included in the flexible substrate are connected in an opening in the exterior body provided at a position overlapping the flexible substrate.

An electronic device according to an embodiment of the disclosure may include a battery. The battery may include: an electrode assembly including a cathode substrate coupled to a cathode tab, an anode substrate coupled to an anode tab, and a separator sheet disposed between the cathode substrate and the anode substrate, and a pouch accommodating the electrode assembly, wherein the pouch includes a bonding portion provided along an edge of the electrode assembly, a first damage detection circuit configured to detect damage to the battery, and a circuit board to which the cathode tab, the anode tab, and the first damage detection circuit are electrically coupled. The battery may include a first portion, a second portion foldable with respect to the first portion, and a folding portion which couples the first portion and the second portion. The first damage detection circuit may extend from a first point of the circuit board to a single point of the second portion by crossing the first portion and the folding portion along an inside of the bonding portion, and extend from the single point of the second portion to a second point of the circuit board by crossing the folding portion and the first portion along the inside of the bonding portion.

This invention discloses a flexible battery module thermoforming bracket and protection method with adaptive cell expansion, belonging to the field of thermoforming bracket technology. It includes a thermoforming bracket body, cell positioning cavities, an adaptive mechanism, an adjustment mechanism, a detection and movement mechanism, and a buffer mechanism. Sixteen cell positioning cavities are located at the top center of the thermoforming bracket body. The adaptive mechanism uses springs, electrical springs, resistance strain gauges, telescopic rods, and spherical blocks to actively and adaptively buffer cell expansion, preventing permanent failure of the springs and monitoring the expansion force to avoid cracking and deformation of the thermoforming bracket body. The adjustment mechanism dynamically adjusts the internal dimensions of the cell positioning cavities according to the cell expansion state by inflating and deflating the airbags, actively adapting to cell expansion and contraction, preventing cracking and deformation of the thermoforming bracket body, maintaining pre-tight positioning of the cells, preventing short circuits, and improving the structural protection of the thermoforming bracket body.

The utility model provides a power conversion device and system for an electric ship, relates to the technical field of electric ships, and aims to solve the technical problems of inflexibility, complex structure and high cost of power conversion equipment in the prior art. The battery replacing device comprises a battery replacing vehicle support, a battery fork assembly and a lifting assembly, the battery replacing vehicle support is arranged on one side of the battery replacing vehicle support and slidably connected with the battery replacing vehicle support, the lifting assembly is arranged on the battery replacing vehicle support, one end of the lifting assembly is connected with the battery fork assembly, and the other end of the lifting assembly is connected with the battery replacing vehicle support. The battery replacement device can realize flexible battery replacement of the electric ship.

The invention provides an integrated flexible paper electrode containing a paper-based current collector, a preparation method of the integrated flexible paper electrode and a battery, the paper electrode comprises the paper-based current collector, and the paper-based current collector is located in the paper-based electrode and is covered by the paper-based electrode. A part of one end of the paper-based current collector extends out of the paper-based electrode to serve as a tab connected with an external circuit. The preparation method comprises the following steps: firstly, carrying out suction filtration on a mixed solution of cellulose and a carbon-based material to a filter membrane, covering a part of area by using the filter membrane, then carrying out suction filtration treatment on the mixed solution containing the cellulose, the carbon-based material and an electrode active material, and carrying out vacuum drying treatment to obtain the integrated structure flexible paper electrode containing the paper-based current collector. And finally, the integrated flexible paper battery containing the paper-based current collector is obtained by combining a flexible battery packaging technology, so that the problem that a flexible paper electrode cannot be externally connected with a tab is solved.

This invention discloses a colorless polyimide film with high fluorine content, high heat resistance, and low expansion, as well as its preparation method and applications. Specifically, a series of high-fluorine terphenyl dianhydride (structure I) and high-fluorine terphenyl diamine (structure II) are copolymerized (or homopolymerized), cast, and heat-treated to prepare CPI optical film materials with excellent properties. This type of CPI film exhibits excellent optical transparency, high glass transition temperature, high thermal decomposition temperature, low coefficient of thermal expansion, high mechanical properties, and low dielectric loss, making it highly suitable for applications in flexible displays, wearable devices, flexible batteries, and 5G high-frequency communications.

The invention discloses an immersed liquid cooling energy storage unit, and belongs to the technical field of battery thermal management. The unit comprises an energy storage box and at least one battery packaging body arranged in the energy storage box, wherein the battery packaging body comprises a flexible shell, a battery module contained in a sealed containing cavity of the flexible shell and internal immersion liquid for immersing the battery module; a flowing space allowing an external cooling medium to circulate is jointly defined between the flexible shell and the inner wall of the energy storage box, and therefore a double immersion cooling and physical isolation structure of internal immersion liquid, the flexible shell and the external cooling medium is formed. According to the invention, through the design of the modularized flexible battery packaging body, the battery module and the special immersion liquid thereof are independently sealed, so that the risk of cross contamination caused by thermal runaway is fundamentally isolated, and rapid maintenance of the module level is realized; meanwhile, decoupling of internal and external cooling media is achieved through the framework, high-performance insulating liquid can be adopted inside, low-cost cooling media can be adopted outside, and the system economy and the supply chain safety are remarkably improved.

A flexible battery, comprising: one or more cathodes; one or more anodes; a stretchable electrolyte in ionic communication with the one or more cathodes and the one or more anodes, the stretchable electrolyte defining a cathode contact area with the one or more cathodes, the stretchable electrolyte defining an anode contact area with the one or more rigid anodes, the stretchable electrolyte optionally comprising a hydrogel; and (1) the one or more cathodes defining a sliding interface with the stretchable electrolyte, (2) the one or more anodes defining a sliding interface with the stretchable electrolyte, or both (1) and (2). A method, comprising powering a device that comprises a stretchable battery according to the present disclosure. A method, comprising effecting operation of a device that comprises a stretchable battery according to the present disclosure.

This invention discloses a secondary battery with a transfer electrode and an electrical device thereof. The secondary battery with the transfer electrode includes a positive electrode, a negative electrode body, a negative current collector layer, an extended negative current collector, and an electrolyte. The positive electrode and the negative electrode body are in contact with the electrolyte. The positive electrode, the negative electrode body, and the extended negative current collector are spaced apart. The extended negative current collector is positioned above the positive electrode. The distance between the positive electrode and the negative electrode body is greater than the distance between the positive electrode and the extended negative current collector. The negative electrode body is electrically connected to the negative current collector layer, and the negative current collector layer is used to electrically connect to the extended negative current collector. The secondary battery with the transfer electrode disclosed in this invention can solve the technical problem that existing flexible batteries are prone to forming metal dendrites during charging and discharging, which can cause short circuits and other faults, severely reducing battery life and posing safety hazards.

The invention belongs to the field of synthesis of electrode materials, and particularly relates to a one-dimensional chain polymer with multiple active sites as well as a preparation method and application of the one-dimensional chain polymer. The polymer is prepared by carrying out dehydration condensation reaction on 1, 8, 4, 5-naphthalene tetracarboxylic anhydride and 2-nitro-1, 4-phenylenediamine in an inert atmosphere, and after the reaction is finished, washing with deionized water and carrying out suction filtration to obtain a target product. The molecular structure of the material simultaneously contains multiple oxidation-reduction active centers such as carbonyl and nitryl, so that efficient Zn / collaborative storage can be realized. When being used as a positive electrode of a zinc ion battery, the composite material shows high discharge capacity and long cycle stability, and an assembled flexible battery also has high volume energy density, excellent repeated bending resistance and chemical self-charging capacity in air, and has wide application potential in the field of wearable electronic equipment. The synthesis process is simple, raw materials are easy to obtain, reproducibility is good, and the method is suitable for large-scale production.

This invention relates to the field of perovskite solar cell materials technology, specifically a method for preparing acid-modified SnO2 transport layer perovskite solar cells. The method for preparing the SnO2 transport layer material includes: sequentially subjecting Sn(OH)4 to hydrothermal treatment, washing, drying, and calcination to obtain SnO2 nanoparticles; dispersing the SnO2 nanoparticles in a dispersant, and adjusting the pH of the system to 2-8 with acid to obtain the final product. This invention uses acid to regulate the pH value of SnO2 particles to prepare an electron transport layer material. This material can improve the energy level matching, conductivity, and surface quality of the electron transport layer, thereby enhancing the photoelectric conversion efficiency and stability of perovskite solar cells and meeting the industrial production requirements of large-area and flexible cells.

The application relates to the technical field of flexible batteries, in particular to a flexible battery for a wearable digital device and a battery management method thereof, which solves the problems that the built-in battery of an existing electronic watch occupies large space, is not convenient for the arrangement of electronic components, and is not conducive to the miniaturization development of the electronic watch, and the flexible battery comprises two flexible battery packs, an electronic watch body is mounted on the outer side of the two flexible battery packs, a protection monitoring mechanism and an elastic ventilation mechanism are respectively mounted at the two ends of the electronic watch body, the two flexible battery packs are arranged between the two protection monitoring mechanisms and the elastic ventilation mechanisms, and the two protection monitoring mechanisms, the elastic ventilation mechanisms and the flexible battery packs are symmetrically mounted relative to the electronic watch body. The battery of the electronic watch is externally arranged, and the flexible battery is used for power supply, the internal space of the watch is effectively increased, the miniaturization of the watch is facilitated, and the flexible battery can be multidirectionally monitored and managed.

The invention discloses hydrogel and a preparation method thereof, hydrogel electrolyte, a flexible battery and wearable intelligent equipment, and relates to the technical field of batteries, the hydrogel is prepared from chitin, polyvinyl alcohol and alpha-helix protein, through the synergistic effect of the three materials, by means of the chemical and physical double-crosslinking stable structure of the chitin, the hydrogel electrolyte is prepared, and the hydrogel electrolyte is prepared. According to the preparation method disclosed by the invention, a high-efficiency ionic conduction network structure can be finally formed by using the alpha-helical protein and the unique alpha-helical structure of the alpha-helical protein, and the network structure also has excellent mechanical properties, so that the hydrogel with high ionic conductivity and strong mechanical properties is prepared.

The invention discloses a flexible assembly battery piece distance expanding device and a distance expanding method, and belongs to the technical field of flexible batteries. The distance expanding device comprises a suction block assembly and a driving assembly; the driving assembly drives the multiple driving suction blocks to synchronously get away from the center of the square matrix structure along the diagonal lines of the square matrix structure, and the multiple driving suction blocks synchronously drive the multiple driven suction blocks to move through the transverse guide rods and the longitudinal guide rods, so that the multiple battery pieces are mutually expanded. The driving assembly drives the driving suction blocks on the diagonal lines to be linked, the driven suction blocks are synchronously driven by combining the transverse / longitudinal guide rods, transverse and longitudinal equal-interval expansion of the battery piece array is completed at a time, the production efficiency is greatly improved, and the dislocation risk in the circulation process is thoroughly avoided. By adjusting the preset included angle between the two horizontal guide rods, non-equal-proportion distance expansion of the transverse distance expansion amount and the longitudinal distance expansion amount is achieved, and the layout requirements of different battery pieces are met.

The invention discloses a flexible assembly battery piece vibration breaking device and a vibration breaking method, and belongs to the technical field of flexible batteries. The vibration breaking device comprises a vibration assembly and a platform assembly. The vibration assembly comprises a vibration frame, a vibration plate, a first driving part and a plurality of first elastic parts; the platform assembly comprises a platform bottom plate, a plurality of follower plates and a plurality of second elastic pieces; multiple rows of small battery pieces of the battery pieces are vertically clamped by the multiple vibration parts and the multiple follow-up plates, the multiple vibration parts are driven by the first driving piece and the first elastic piece to vertically vibrate, and the multiple follow-up plates synchronously move along with the multiple vibration parts through the multiple second elastic pieces so as to synchronously break adhesive glue among the multiple rows of small battery pieces. Through the synergistic effect of the vibration assembly and the platform assembly, the adjacent rows of small battery pieces generate staggered shear stress through high-frequency vibration, and all bonding glue is broken at a time. And compared with a traditional splitting shaft which needs to press down one by one, the production efficiency is greatly improved, and the splitting shaft is suitable for mass production of small-size battery pieces.

A battery set comprises a housing, at least one first battery cell, in particular a pouch cell arranged inside the housing, and at least one expansion sensor, wherein an outer shell of the first battery cell comprises an electrically conductive material.The at least one expansion sensor is arranged between the electrically conductive material of the outer casing of the first battery cell and a contact surface adjacent to the first battery cell and comprises at least one flat inductor circuit arranged on a flexible substrate, wherein the at least one flat inductor circuit is arranged in a contact zone between the first battery cell and the contact surface adjacent to the first battery cell, at least one first compressible buffer layer arranged between the flexible substrate with the inductor circuit and the electrically conductive material of the outer casing of the first battery cell, and a detection circuit coupled to the at least one flat inductor circuit by means of respective connecting leads arranged on the flexible substrate in order to detect a change in the inductance of the at least one flat inductor circuit.

The present application relates to the technical field of zinc metal battery, in particular to a multifunctional composite gel electrolyte, its preparation method and application. The present application provides a composite gel electrolyte, which comprises a polymer gel matrix, a zinc salt and a ZnHA filler; wherein the ZnHA filler is a hydroxyapatite material doped with zinc ions. The electrolyte is prepared by polymer dissolution, zinc salt addition, ZnHA dispersion, three-dimensional printing forming, low-temperature gelation and zinc salt solution activation, and has good shear thinning characteristics, self-supporting property and printability. Further, a three-dimensional printed interdigital structure electrode is constructed, and the electrolyte is covered to form an ion transmission channel, and a flexible zinc metal battery is assembled; multiple monomers can be connected in series to increase the output voltage. The flexible battery has excellent ion transmission, cycle stability, flexibility and safety, and can be used in the fields of flexible electronics, wearable devices and intelligent sensing.

A heterogeneous graphene oxide wet generator and a preparation method are provided. A heterogeneous graphene oxide wet generator includes an integrated forming heterostructure composed of the first part and the second part arranged in the left-right position or the up-down position, the material of the first part is graphene oxide, and the material of the second part is reduced graphene oxide. The heterogeneous graphene oxide wet generator provided by the invention has high open circuit voltage, excellent cycle stability, and has the potential to be applied to flexible batteries, after a series-parallel connection, a generator set with a high voltage can be obtained, and a reduction device can be installed on the industrial coating line for preparing graphene oxide, which is expected to be mass-produced.

This invention relates to a two-stage collaborative scheduling method for forest fire emergency material delivery that considers flexible battery swapping for drones. The method includes constructing an attention-weighted priority evaluation system based on fire point accessibility and urgency; building a truck-drone two-stage collaborative delivery model that combines offline global planning with online dynamic adjustment; designing an attention-weighted ant colony-tabo search hybrid algorithm to solve for the optimal path in the model; establishing an adaptive two-layer emergency allocation and rescue mechanism to dynamically allocate tasks to newly added demand points; using trucks as mobile charging stations for drones to achieve flexible battery swapping for drones and seamless vehicle-drone takeoff and landing coordination; and simultaneously updating vehicle and demand point status in real time through a rolling update mechanism to respond to abnormal situations and continuously execute the scheduling plan until delivery is completed. This invention can adapt to complex forest fire emergency material delivery scenarios with road blockages and dynamically changing demands, effectively reducing operating costs and shortening task completion and material delivery response times.

The utility model belongs to battery pack installation technical field, and disclose a kind of flexible battery pack installation slot of adjustable installation angle, including platform, the bottom right side of the platform is fixedly provided with limit frame, the inside of the platform is equipped with adjusting assembly, the bottom left side of the platform is fixedly provided with fixed block, the inside of the fixed block is rotatably equipped with pivot column, the both sides of the pivot column are fixedly provided with pivot frame, the bottom of the pivot frame is fixedly provided with base, the rear end top of the base is equipped with support assembly, the top of the platform is fixedly provided with workbench, the inside of the workbench is slidably equipped with installation assembly, realize the flexible adjustment of battery pack installation assembly installation angle, solve the problem of existing installation seat angle fixed, ensure that the adjustment process is stable and does not deviate.