263 results about "Coin cell" patented technology

The application provides a button cell structure, a manufacturing method thereof and a button cell, wherein the button cell structure comprises a winding core formed by winding a laminated structure and having a hollow inner hole, the laminated structure comprises at least one positive electrode sheet, at least one negative electrode sheet and a separator separating the at least one positive electrode sheet and the at least one negative electrode sheet, and at least two ends of the winding core are provided with a separator bonding layer wrapping the winding core, which is used for fixing the positive electrode sheet and the negative electrode sheet. The application provides a button cell structure, a manufacturing method thereof and a button cell, which at least solve the technical problem that the positive electrode sheet and the negative electrode sheet are prone to shifting, avoid short circuit caused by the contact between the positive electrode sheet and the negative electrode sheet and the shell in the button cell, and improve the use safety of the button cell.

The invention provides a method for analyzing a main failure mechanism of a battery with an electrolyte leakage fault. The method comprises the following steps of: performing calendar aging, cyclic aging and reference performance test on a normal battery and a leakage battery; comparing the external characteristics of the normal battery and the leakage battery, and obtaining the difference between the leakage battery and the normal battery in the aspect of external characteristic performance; carrying out deep analysis on the dynamic degradation mechanism of the liquid leakage battery by utilizing an in-situ analysis means; obtaining a normal battery pole piece and a fault battery pole piece, and characterizing the battery pole pieces by using an electrochemical characterization means; battery regeneration is realized by using a battery pole piece, re-supplementing electrolyte and manufacturing a button battery; performance testing and aging testing are performed on the regenerated battery; the performance of the regenerated battery is evaluated; and a failure mechanism of the battery with liquid leakage is disclosed. And comparing the performance difference between the regenerative battery and the normal battery, and determining the irreversible influence of the fault on the battery. According to the invention, the main way of failure of the battery with liquid leakage and the irreversible influence of the liquid leakage fault on the battery can be revealed.

A mechanism for controlling light in a rotating mode comprises an installation base, the center of the installation base is provided with a round battery groove for a button battery to be arranged in, and the central axis of the battery groove is recorded as a first axis; the central axis of the annular rotating main body is the first axis, and the rotating main body is arranged on the periphery of the battery groove in a circumferential rotating mode; a gear ring which is arranged along the circumferential direction and can rotate along with the rotating main body is arranged on the circumferential wall of the rotating main body; the circuit board is used for being electrically connected with the lamp, is fixed relative to the mounting seat and is provided with a toggle switch arranged corresponding to the gear ring, and the toggle switch is positioned on a rotating path of each tooth of the gear ring and is arranged to be capable of being scanned by each tooth in sequence along with the rotation of the gear ring so as to record the scanning direction and / or frequency of the teeth. According to the utility model, the arrangement of the circular battery jar is beneficial to alignment between the central axis of the rotating main body and the rotating axis, so that the rotating main body rotates more smoothly, and the gear ring on the rotating main body can be matched with the toggle switch more accurately.

The utility model discloses a high-strength anti-theft padlock and key combination, which comprises a padlock and a key, the key comprises a key handle and a key head, the key handle is provided with a battery jar and a protective cover, a button battery is installed in the battery jar, the button battery is electrically connected with an electromagnet, the key head is provided with a groove, a contact switch is arranged in the groove, and the contact switch is electrically connected with the electromagnet. The control module is used for controlling electromagnet energization; the padlock comprises a lock body, a lock beam and a lock cylinder. A lock tongue is arranged above the lock cylinder; a sliding groove A is eccentrically formed in the top face of the lock cylinder, and the sliding groove A and the groove are complementary in shape. A sliding groove B matched with the sliding groove A is formed in the bottom face of the spring bolt. A magnetic block is arranged in the sliding groove A. A sliding groove C is formed in the contact position of the bottom face of the spring bolt and the inner wall of the lock body, a sliding groove D matched with the sliding groove C is formed in the inner wall of the lock body, and a positioning pin is arranged in the sliding groove D. The anti-theft padlock has the advantages that the anti-theft function of the padlock is enhanced, and the maintenance cost is low.

The utility model discloses a disposable dental handpiece quick-connection electric connector, which comprises an adapter block, a terminal and an adapter seat, the adapter block is provided with a plurality of plugging holes and an electric mounting hole, and the plurality of plugging holes are used for plugging an air inlet pipe, a water inlet pipe and an atomizing pipe of a dental handpiece; the terminals are inserted into the electric mounting holes; the adapter seat is provided with an inserting groove for inserting a dental handpiece handle, the bottom of the inserting groove is provided with an air inlet groove, a water inlet groove, an atomizing groove and an electric inserting groove, the terminal is inserted into the electric inserting groove, and the adapter block is clamped at the bottom of the inserting groove. When the disposable dental handpiece is used, the terminal is inserted into the adapter block, then the adapter block is sleeved at the connecting end of the disposable dental handpiece, the adapter seat is inserted into the connecting end of the disposable dental handpiece, external electricity is conducted to a handpiece handle of the disposable dental handpiece, and the disposable dental handpiece does not need to be provided with a button battery.

This invention relates to the field of cathode material technology for lithium-ion batteries, specifically a method for in-situ construction of ultrathin amorphous nano-coating materials. The method involves the in-situ construction of ultrathin amorphous nano-coating layers using sol-gel, co-precipitation, and electrodeposition combined with hydrothermal methods. 2 MnO 3 The cathode material is coated to encapsulate Li. x MnO y The amorphous nanostructure is uniform and completely coated on Li. 2 MnO 3 The surface of the positive electrode material (Li x MnO y @Li 2 MnO 3 ), where Li x MnO y It is an amorphous coating layer with a thickness of 0.1-10 nm; this invention utilizes Li 2 MnO 3 The cathode material is coated with an ultrathin amorphous Li. x MnO y While ensuring the high discharge specific capacity of the material, it also significantly suppresses Li 2 MnO 3 The voltage decay was observed, and after assembling it into a coin cell and testing its performance, the coated Li was found to have... 2 MnO 3 The material exhibits zero voltage decay after 50 charge-discharge cycles.

This invention provides a coin cell battery and its manufacturing method. The method includes providing a first housing, the first housing including a conductive layer and an insulating layer, a first mounting groove in the middle of the first housing, a through hole in the insulating layer within the first mounting groove, and a conductive layer exposed outside the insulating layer through the through hole. An active material layer is coated on the surface of the conductive layer. A second electrode is inserted into a second mounting groove of a second housing, and a separator is placed inside. The edges of the first housing and the second housing are sealed, and the first mounting groove and the second mounting groove are sealed to form a mounting cavity, thus obtaining a coin cell battery. By pre-coating the active material layer onto the surface of the conductive layer of the first housing, the problems of uneven electrode thickness and active material layer detachment caused by rolling the active material layer onto the electrode are avoided, resulting in a more stable specific capacity and effectively improving battery performance.

A wearable device is disclosed. The wearable device may comprise: a speaker including a coil; a coin cell battery disposed on the speaker; and a conductive tab on a first surface of a case of the coin cell battery, the conductive tab being electrically connected to a portion of a first electrode positioned on the first surface of the case. The coin cell battery can include: the case that includes the first surface facing the speaker and a second surface opposite to the first surface; and a jelly roll. The conductive tab on the first surface of the case can extend in a second rotational direction opposite to the first rotational direction of the jelly roll so as not to overlap the coil of the speaker.

The invention relates to the technical field of button battery production, and particularly discloses an automatic button battery combining machine which comprises a combining mechanism, a positioning mechanism, a negative electrode conveying mechanism, a positive electrode conveying mechanism and a pressurizing mechanism. A first positioning notch is formed in a negative plate limiting groove formed in the adsorption plate, a second positioning notch is formed in a positive plate limiting block arranged on the jacking seat, positioning blocks at the two ends of the positioning mechanism can abut against the two ends of the negative plate and the two ends of the positive plate, and positioning blocks on the side face of the positioning mechanism can abut against one side of the negative plate and one side of the positive plate. The negative electrode conveying mechanism is used for conveying a negative electrode plate into the negative electrode plate limiting groove, the positive electrode conveying mechanism is used for conveying a positive electrode plate to the jacking seat, and the pressurizing mechanism is used for pressing a positive electrode and a negative electrode on the positive electrode plate. According to the automatic button cell combination machine, the assembly precision of button cells can be improved, and the yield of products is increased.

The utility model relates to the technical field of anti-counterfeiting, in particular to an anti-counterfeiting system with a dynamically changeable URL (Uniform Resource Locator) link, which is characterized in that a transparent plastic waterproof film is fixedly arranged on the inner side of the top of an outer nesting sleeve, a mounting component is arranged on the inner side of the outer nesting sleeve, a limiting groove is fixedly formed in the inner side of the outer nesting sleeve, and the mounting component is fixedly connected with the limiting groove. The inner side of the mounting groove is used for mounting an anti-counterfeiting mark, the arrangement of the transparent plastic waterproof film plays a waterproof role on the anti-counterfeiting mark, when a product is upgraded and the anti-counterfeiting mark needs to be updated, the first synchronous belt wheel can be pushed to enable the second synchronous belt to slide outwards along the first L-shaped sliding frame and the second L-shaped sliding frame, and then the second synchronous belt wheel is pushed to slide outwards along the first L-shaped sliding frame and the second L-shaped sliding frame. The first synchronous belt wheel can be pushed to drive the mounting groove to slide outwards, the anti-counterfeiting mark in the mounting groove can be conveniently updated, after updating, the first synchronous belt wheel can be pushed again, the mounting groove is reset, the button battery can supply power to the LED lamp, and the anti-counterfeiting mark in the mounting groove can be conveniently scanned through the transparent plastic waterproof film.

To provide a lithium primary button type battery having excellent discharge performance, good stability and reliability, its manufacturing method, and an electronic apparatus.SOLUTION: A lithium primary button battery comprises a battery case and a battery core module located inside the battery case, the battery core module comprises a negative electrode (3), a negative electrode modification membrane (4), a separator (5, 6) and a positive electrode (7) which are sequentially stacked, a surface of the negative electrode (3) close to the negative electrode modification membrane (4) is provided with a concave groove (9), and the negative electrode modification membrane (4) is tightly embedded in the concave groove (9).SELECTED DRAWING: Figure 2

To provide a button type battery capable of improving stability of an internal structure of the battery, a method of assembling the same, and a method of manufacturing a pad.SOLUTION: The present invention provides a button battery and an assembly method thereof, and a preparation method of a spacer, wherein the button battery comprises a positive electrode cover assembly comprising a positive electrode cover and a spacer, a positive electrode current collector and a positive electrode plate, wherein the spacer comprises a spacer portion and an elastic plate portion which are arranged in a staggered manner, and one or both of the elastic plate portion and the spacer portion are provided with a protrusion structure which passes through a through hole of the positive electrode current collector and is fixed to the positive electrode plate.SELECTED DRAWING: Figure 2

The utility model discloses a can replace fish float of tail light, including middle shell, the inner bottom wall fixedly connected with the lamp stand of middle shell, the inner wall fixedly connected with button cell of lamp stand, the top fixedly connected with the light source of lamp stand, the inner bottom wall fixedly connected with the cylindrical seat of middle shell, the inner wall fixedly connected with first magnet piece of cylindrical seat, the outer surface fixedly connected with the clamping point of cylindrical seat, the inner top wall fixedly connected with second magnet piece of lamp stand, the inner wall of lamp stand is seted up and has the lock catch groove, this can replace fish float of tail light, when replacing whole lamp stand, rotates the lamp stand, rotates along the lock catch groove, rotates the clamping point to the lock catch groove export place, then lifts the lamp stand and makes first magnet piece and second magnet piece separate, can take down whole lamp stand to when tail light appears damage, and fisherman does not need to replace whole fish float, only needs to replace tail light damage part, avoids causing resource waste, reduces use cost.

The utility model relates to the technical field of batteries, in particular to a battery and a button battery. The battery comprises a battery body, an adapter nickel sheet is arranged on a positive terminal of the battery body, the adapter nickel sheet protrudes out of the battery body in the height direction of the battery body, and the adapter nickel sheet is electrically connected with the positive terminal of the battery body. On one hand, the adapter nickel sheet provides a welding point for welding with the electronic equipment, and the welding reliability and the welding quality are improved; and on the other hand, tin used in the welding process and the transfer nickel sheet are easily tinned, so that the welding firmness and the welding efficiency are ensured, and the short circuit phenomenon is further prevented.

This invention relates to the field of computer integrated control technology, specifically an integrated triggering method and system for one-key recovery of a computer in a power-off state. The method involves monitoring user operations under power-off conditions via hardware circuitry. Under the constraint of the Recovery module's anti-accidental touch measures, the method arbitrates and determines user-triggered actions, generating a valid trigger signal and writing it to the wake-up register. Combining an RC delay circuit and trigger sampling analysis of power-on voltage changes, the system automatically enters Recovery mode upon the next power-on without needing to access the operating system or BIOS. After the device is powered off, power data in the power domain is read from the coin cell battery, and the PG distortion signal is reconstructed in the frequency domain. Based on this signal, stable power-on screening and CLRTC physical trigger detection are performed, automatically clearing the real-time clock data when conditions are met. The System Reset module identifies the actual system crash state by constructing a power-on anomaly variable domain and automatically triggers a system restart upon detecting a Reset signal, thus achieving one-key maintenance and recovery of the computer in a crash state.

The utility model discloses a button cell device for in-situ electrochemical test, which comprises a shell, a positive plate, an isolation component and a negative plate, a cell inner cavity is formed in the shell, and a transparent observation window is arranged on the shell; the positive plate is provided with a positive observation hole; the isolation assembly comprises a diaphragm layer and a transparent blocking layer, a diaphragm through hole is formed in the diaphragm layer, and the transparent blocking layer is used for covering or blocking the diaphragm through hole; the active material layer of the negative plate faces the transparent observation window; the positive plate, the isolation assembly and the negative plate are sequentially stacked, and the transparent observation window, the positive observation hole and the diaphragm through hole are overlapped on the axial projection. Therefore, the behaviors of zinc dendrite growth and gassing side reaction of the active material on the negative plate can be observed in real time, so that a traditional button cell is transformed into a cell device suitable for in-situ electrochemical testing. In addition, the active materials of the positive plate and the negative plate can be prevented from being in direct contact through the transparent barrier layer, so that the problems of battery short circuit and the like are avoided.

The utility model provides a button cell sealing machine, including casing, middle part mounting panel, top mounting panel, lift drive component, guide component, punch upper die and punch lower die, lift drive component includes rotation drive part, drive screw, bearing installation shell, thrust bearing, tapered roller bearing, lift platform and connecting block, the inside and outside both sides of tapered roller bearing respectively with upper screw outer end surface, bearing installation cavity inner wall contact. The advantage of this design is that: in the process of rotating, thrust bearing and tapered roller bearing bear axial load, make middle part convex ring not to move and can rotate smoothly in vertical direction, and tapered roller bearing also bears radial load, make the axis not to deviate when upper screw rotates, thereby ensure the accuracy of lift platform ascending distance, and ensure that lift platform is always in horizontal position, improve the effect of button cell sealing, improve the qualified rate.

A device includes a base and a depressible cover. The base defines a battery opening in which to receive a battery having the form factor of a coin-cell. The base includes a retainer located proximate to the battery opening. The depressible cover is disposed in the battery opening and is secured in place against the retainer to prevent removal of the battery from the base while the cover is coupled to the base. The cover includes a detent and a body portion, wherein the cover is releasably secured to the base upon engagement of the body portion with the retainer and engagement of the detent with a shoulder of the base.

The utility model discloses a button cell mounting structure of disposable dental handpiece, including handle, machine head, handle both ends are operating end and connecting end respectively, operating end is equipped with illuminating lamp, handle is inlayed and is equipped with battery compartment, battery compartment is equipped with the lid, the outer surface of lid and the outer peripheral wall of handle are smooth transition, battery compartment is equipped with button cell, battery compartment is equipped with the mouth, the mouth is long strip, the conductive sheet of battery compartment is electrically connected with illuminating lamp, machine head is connected with operating end. Button cell meets the manufacturing cost of disposable dental handpiece, compared with traditional button cell mounting mode, the button cell of the application is inlaid in handle, does not affect the original size of handle, is favorable to the operation of doctor. Secondly, the structure still does not affect the overall shape and appearance of handle, is favorable to improving the aesthetic property.

The utility model relates to the technical field of battery processing devices, in particular to an automatic feeding and discharging device for battery marking, and full-automatic marking operation of a button battery tray is achieved through cooperative layout of a feeding mechanism, a conveying mechanism, a laser marking mechanism and a discharging mechanism. The laser marking mechanism is arranged above the middle section of the conveying mechanism and matched with the feeding / discharging mechanisms arranged at the two ends to form a compact linear production layout. The feeding mechanism and the discharging mechanism are consistent in structure and operate independently, and are matched with a belt conveying line driven by a servo motor to improve the marking efficiency. The feeding and discharging mechanism is formed by combining a linear motion assembly driven by a gear and a rack and a lifting mechanism with a guide column, and accurate positioning movement of a grabbing assembly in the horizontal direction and the vertical direction is achieved. In addition, a focusing unit is arranged in the laser marking mechanism, and the focusing unit is integrated with a distance measuring sensor to monitor the marking distance in real time.

The present invention relates to a keychain device designed to provide illumination and personalization. The device includes a body shaped as a vehicle silhouette and a plurality of LED lights powered by a button-cell battery. A microcontroller is operably connected to the LED lights and controls various lighting patterns and button press functions. The device includes a programmable display for displaying a customizable slogan, which can be altered to customize the keychain device. Bluetooth functionality allows users to customize both the slogan and LED light colors using a smartphone application. The device also includes a button for activating the LED lights, with different press functions for varying brightness or energy-saving modes. Additionally, the keychain body is coated with phosphorescent material to glow the device in the dark even when the LEDs are inactive.

The utility model relates to vehicle electronic device technical field discloses a vehicle key with positioning function, including key shell, battery compartment, button cell, sealed storehouse cover, battery sealing mechanism and environmental adaptation mechanism, battery sealing mechanism includes the clamping structure of elastic connecting buckle and connecting groove, locating buckle, elastic contact piece, the fixed sealing ring of setting groove and water absorption cotton board, and the sealed storehouse cover is fixed through elastic connecting buckle and connecting groove clamping, and locating buckle and elastic contact piece stabilize battery position and realize reliable power supply, and sealing ring and water absorption cotton board form multiple waterproofs. The utility model passes through the combination of multiple sealing structure and heating insulation mechanism, solved the poor sealing after the existing key battery replacement, the problem of battery performance decline under low temperature environment, reached the effect that improved waterproof security and prolonged the service life of key.

The utility model discloses disassembling equipment for a button battery, which relates to the technical field of battery disassembling and comprises a case, guide posts are fixedly connected to the left side and the right side above the case, a fixing plate is fixedly connected to the upper portions of the two guide posts, an upper die holder is detachably connected to the middle of the bottom surface of the fixing plate, and an ejector pin is fixedly connected to the middle of the bottom surface of the upper die holder. A moving plate is slidably connected between the two guide columns through sliding sleeves, a fixing seat is detachably connected to the middle of the upper surface of the moving plate, a lower die holder is detachably connected to the upper portion of the fixing seat, a disassembling groove is formed in the middle of the upper portion of the lower die holder, disassembling steps are arranged in the disassembling groove, and a jacking assembly is fixedly installed at the position, below the moving plate, above the machine box. The device has the advantages that the jacking assembly is driven by the servo motor to accurately control the height of the moving plate, the disassembly strength and angle can be accurately controlled in cooperation with positioning of the ejector pin and the disassembly step, breakage or deformation of a battery shell caused by disassembly of traditional pliers is avoided, and it is ensured that the internal structure is complete.

This application provides a positive electrode material and its preparation method, a positive electrode sheet, a sodium-ion battery, and an electrical device, belonging to the field of batteries. The positive electrode material includes a core and a carbon-containing coating layer covering at least a portion of the surface of the core. The core contains sodium vanadium fluorophosphate. A coin cell is fabricated using the positive electrode material. The coin cell undergoes an Nth charge-discharge test. In the discharge curve of the Nth charge-discharge test, the discharge specific capacity is C0, and the total discharge specific capacity of the discharge plateau corresponding to a voltage of 3.3V to 3.4V is C1, where C1 / C0 < 6.7%, and N is an integer greater than or equal to 1. The conditions for the Nth charge-discharge test are: charging the coin cell to 4.3V at a constant current rate of 0.2C at 20℃ to 30℃, and then discharging it to 2V at a constant current rate of 0.2C. The positive electrode material provided in this application exhibits high discharge specific capacity and electronic conductivity.

The invention relates to a packaging unit for at least two button cells, in particular in a packaging unit (100; 200; 300; 400) for at least two button cells (50), the packaging unit comprising for each of the button cells a separate individual compartment (10) which encloses the button cell. The individual compartments (10) are each formed by a separate deep-drawn plastic cover (11) and a plastic film (12) fixed at the back thereof. The individual compartments (10) are constructed such that they cannot be opened toollessly. Furthermore, the packaging unit comprises a carrier (20) on which the individual compartments (10) are mounted, wherein the individual compartments are spaced apart from one another on the carrier. The invention furthermore comprises a method for producing such a packaging unit.

The utility model provides a small-sized wireless temperature measuring instrument and a wireless temperature measuring system comprising the same. The thermodetector comprises a housing which is provided with a first opening end and a second opening end which are opposite to each other; the heat conduction head is arranged on the first opening end and is internally provided with a temperature sensor; the temperature measuring instrument circuit is arranged in the shell, electrically connected to the temperature sensor and used for collecting, storing and transmitting temperature data; the button battery for supplying power to a circuit of the temperature measuring instrument can be installed in a vertical posture, and in the installation state, the two sides of the button battery are tightly attached to the inner wall of the shell so that the maximum diameter of the temperature measuring instrument can be limited to be the sum of the battery diameter and the two times of the wall thickness of the shell, or the two sides of the button battery are tightly attached to the inner wall of the shell. A first opening and a second opening are formed in the positions, corresponding to the two sides of the button cell, of the shell respectively, and the two sides of the button cell exceed the corresponding openings respectively or are located in the corresponding openings respectively; and the end cover is arranged on the second opening end. The small wireless thermodetector provided by the utility model is suitable for measuring the internal temperature of a small-caliber container due to the small diameter of the small wireless thermodetector.

To provide a positive electrode terminal for a compact button-type battery capable of surface mounting on a substrate and an electronic device including the same.SOLUTION: A positive electrode terminal 3 for a button-type battery has a contact 341 mounted on a substrate 1 and contacts a positive electrode side face 21 of a button-type battery 2. The positive electrode terminal 3 includes a base part 31 having a substrate bonding surface 31a to be bonded to the substrate 1, a protruding part 32 extending from the base part 31 toward the button-type battery 2 side and not bonded to the substrate 1, a body 33 provided to rise from an end part on the button-type battery 2 side of the protruding part 32, and an arm part 34 extending from the body 33 in a direction parallel to the substrate 1 and having a contact 341 at the tip end part.SELECTED DRAWING: Figure 2

This invention belongs to the field of hand sanitizer technology, and specifically relates to a hand sanitizer with a settable date. It includes a hand sanitizer bottle, a pressing head, and a suction tube. The pressing head is threaded onto the hand sanitizer bottle, and the suction tube is fixedly connected to and communicates with the pressing head. A trigger assembly is located inside the hand sanitizer bottle. A groove is provided on the outer wall of the hand sanitizer bottle, and a fitting block is located within the groove. A timing component is located within the fitting block, with one end extending to the outside of the fitting block and engaging with the trigger assembly. A button battery is installed on the fitting block. The advantages are: this invention allows setting the alarm date, eliminating the need for manual labeling and ensuring date accuracy while preventing overdue replacement.

The utility model relates to the field of button cells, and particularly discloses a high-sealing button cell which comprises a shell, an upper cover and a battery cell, the shell comprises a containing cavity, the battery cell is contained in the containing cavity, a limiting ring is arranged on the outer wall of the shell, and the limiting ring extends from the outer wall of the shell in the direction away from one side of the containing cavity. A limiting piece matched with the limiting ring in an embedded mode is arranged on the side wall of the upper cover, and the upper cover is buckled to the top of the shell through the connecting piece and the limiting piece. The limiting ring on the outer wall of the shell and the limiting piece on the side wall of the upper cover are matched in an embedded mode, a tighter closed structure is achieved, and under the effect of the arrangement of the limiting ring and the limiting piece, the orientation of a joint seam between the upper cover and the shell is opposite to the installation direction of the upper cover and is in a bent shape. And the risk that external liquid or gas permeates into the battery through the joint seam can be effectively reduced.