245 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 flexible battery piece slitter edge removing equipment, a flexible battery piece slitter edge removing method and a battery production line, and relates to the technical field of flexible batteries. The flexible battery piece slitter edge removing equipment comprises a rack, a conveying device and a slitter edge removing device, wherein the conveying device and the slitter edge removing device are installed on the rack. The flexible battery piece is clamped through the jacking mechanism and the pressing and holding mechanism, then the waste edge of the flexible battery piece is subjected to bidirectional pushing and breaking through the first pushing and breaking mechanism and the second pushing and breaking mechanism in sequence, so that the waste edge is broken along a waste edge crack on the flexible battery piece, the waste edge removing efficiency is effectively improved, the labor cost and the time cost are reduced, the automation degree is high, and the production efficiency is improved. And moreover, the pushing and breaking force is uniform, and the quality of the flexible battery piece is ensured.

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.

A watchband for a smart watch is provided. The watchband for a smart watch includes: a first band having at least one positioning hole; and a second band including a cover member, a flexible battery, and a position-fixing fastening member, wherein an exterior material of the flexible battery can include a first portion for packing the electrode assembly together with the electrolyte, and a second portion extended from the first portion by a predetermined and to which the position-fixing fastening member is coupled.

The invention discloses a preparation method of a carbon fiber cloth coated SixFe1-xO2 nanorod material, which comprises the following steps: dissolving a silicon source and an iron source in a mixed solution of ethanol and ethylene glycol, adding hexamethylenetetramine and urea step by step, stirring and dissolving to obtain a mixed solution, then putting the mixed solution and carbon fiber cloth into a high-pressure reaction kettle together, and stirring for 30-60 minutes to obtain the carbon fiber cloth coated SixFe1-xO2 nanorod material. The preparation method comprises the following steps: adding a carbon fiber cloth coated SixFe1-x (OH) 4 nanorod material into a reaction kettle, reacting at a certain temperature in a constant-temperature drying box, then naturally cooling to room temperature, washing and drying to obtain the carbon fiber cloth coated SixFe1-x (OH) 4 nanorod material, putting the carbon fiber cloth coated SixFe1-x (OH) 4 nanorod material into a muffle furnace, and annealing in an air environment to obtain the carbon fiber cloth coated SixFe1 The synthesis process is simple, the cost is low, the requirement for equipment is low, the controllable degree is high, and the obtained product is uniform and novel in morphology, has high charging and discharging capacity and long cycle life as a flexible negative electrode material, and has wide application in the fields of flexible batteries, photoelectric devices and the like.

The invention relates to the technical field of solar cells, in particular to a laser cutting method for a flexible cell module, which comprises the following steps of: bonding glass and a cell piece together through an adhesive layer; cutting the glass by using a first laser, and synchronously cutting the battery piece by using a second laser; a laser beam emitted by the first laser device and a laser beam emitted by the second laser device are configured to be coaxially focused, so that a first cutting path formed by cutting the glass by the first laser device is aligned with a second cutting path formed by cutting the battery piece by the second laser device; the laser emitted by the first laser forms a plurality of first laser cutting points distributed at intervals on the glass, and the laser emitted by the second laser forms a plurality of second laser cutting points distributed continuously on the battery piece. According to the method, the cutting lines of the glass and the battery piece can be accurately aligned, the subsequent piece cracking and expanding operation is facilitated, the better piece cracking effect is achieved, the production efficiency and the product yield are greatly improved, and the process is simple and easy to operate.

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.

The invention discloses a production method and system for slitter edge removal, splitting, shaping, distance expansion and film covering of a flexible assembly battery piece, and the production method sequentially comprises a full-automatic slitter edge removal process, a primary splitting process, a secondary splitting process and a shaping, distance expansion and film covering process, so that a large-size battery piece is split into hundreds of small-size battery pieces. And shaping, distance expanding and film covering operations are completed, and finally arrangement and distance expanding production of the battery pieces are achieved. According to the invention, the key process of splitting the complete large-size battery piece can be realized, hundreds of battery pieces can be arranged in order at equal intervals through two-time distance expansion operation, and compared with a traditional manual piece arrangement mode, the production efficiency can be obviously improved by dozens of times, so that the automatic production of the flexible battery piece is realized. The production method has the remarkable advantages of improving the production efficiency, reducing the cost, improving the product quality, achieving the high automation degree and the like.

Flexible battery management system (BMS)-gateways and modular energy management systems for second-life electric vehicle (EV) batteries in energy storage systems are disclosed. In one aspect, the system includes a plurality of EV battery packs, and a plurality of BMS-gateways each coupled to at least one of the EV battery packs. Each of the BMS-gateways is configured to communicate with the at least one EV battery pack via a communication protocol. The system also includes a modular energy management system (MEMS) configured to control the EV battery packs via the BMS-gateways.

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.

The utility model relates to the technical field of ear tags for animal husbandry, and discloses a flexible ear tag which comprises a front cover and a rear cover, the rear cover is embedded in the front face of the front cover, a flexible solar cell panel is embedded in the front cover, and the left side of the front face of the flexible solar cell panel is connected with a temperature measuring resistor. The flexible solar cell panel is externally connected with a flexible cell, the top of the front cover is connected with a first clamping piece, the front face of the first clamping piece is connected with a second clamping piece in a clamped mode, and a display panel is embedded in the front face of the front cover. According to the flexible ear tag, when a breeder manages the ear tag, the number of the ear tag can be seen clearly from a farther distance, and when the flexible ear tag is assembled to the ear of an animal through the additionally arranged second clamping piece and the first clamping piece, the junction of the first clamping piece and the second clamping piece is automatically shielded and protected; bacteria and dust are prevented from entering the junction of the first clamping piece and the second clamping piece, and then ear inflammation of the livestock is avoided.

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.

The invention discloses a heat insulation and heat dissipation system for an aerostat solar cell array and a control method thereof. The invention relates to the technical field of solar cell thermal management, and comprises a plurality of sections of solar cell panels connected at the end, wherein the solar cell panels at both ends are attached to the skin of the aerostat, the solar cell panels in the middle section are flexible solar panels, and a movable heat dissipation device is arranged between the flexible solar panel and the skin of the aerostat; a driving assembly for driving the heat dissipation device to move along the radial direction of the aerostat is arranged at the bottom of the aerostat; a plurality of temperature sensors and a plurality of radiation sensors are also arranged on the solar cell panels; the control method uses the highest temperature of the solar cell array and the strongest radiation on the surface as criteria, which is conducive to timely heat dissipation and effective prevention of the high temperature area of ​​the solar cell, thereby ensuring the safe operation of the airship and the high performance output of the solar cell; a movable heat dissipation device is installed under the solar cell in the top area of ​​the aerostat, and is combined with a heat insulation layer, which can reduce the heat transfer of the solar cell to the airship capsule, and increase the channel for timely convection heat exchange between the high temperature area of ​​the solar cell array and the atmosphere.

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.