252 results about "Thin metal" patented technology

The invention belongs to the field of secondary battery manufacturing, and particularly relates to a composite foil current collector welding method.The composite current collector comprises an upper aluminum conducting layer, a middle high-molecular polymer layer and a lower aluminum conducting layer, and the welding method comprises the following steps that S1, micropore machining is carried out on a tab area of the composite current collector, forming a through micropore array; s2, laying a first pure metal foil on the upper surface of the tab area, and laying a second pure metal foil on the lower surface of the tab area; and S3, welding the tab area on which the pure metal foil is laid, so that the first pure metal foil, the upper aluminum conductive layer, the lower aluminum conductive layer and the second pure metal foil form through metallurgical bonding at the position of the micropore. According to the composite foil current collector welding method, ultrasonic energy is highly concentrated on a metal interface at the edge of a micropore, local metallurgical connection is achieved, overall heat input is low, hot melting and carbonization of a middle high-molecular polymer layer are effectively avoided, and an ultrathin metal layer is protected against heat damage.

The utility model relates to vertical annealing equipment for a metal ultra-thin strip and an operation method, and belongs to the related technical field of metal ultra-thin strip hot working, the vertical annealing equipment comprises a furnace body device, a tension measuring device, a direction roller, an unwinding device, a winding device, a straightening device and a deviation rectifying device, the furnace body device comprises a muffle tank and a furnace body shell, a plurality of groups of elastic brackets fixedly connected with the furnace body shell are arranged on the outer side of the muffle tank in the length direction of the muffle tank, and the top of the muffle tank is fixedly connected with the top of the inner side of the furnace body shell through the top elastic bracket, so that the service life of the muffle furnace is prolonged; one side of the furnace body shell is respectively connected with a molecular pump and a gas inlet through steel pipes, the other side of the furnace body shell is provided with a gas outlet, and pipelines for connecting the molecular pump, the gas inlet and the gas outlet are respectively provided with a gas valve, so that the conversion between vacuum annealing and atmosphere annealing in the muffle furnace is realized; and the straightening device comprises a plurality of straightening rollers, so that high-precision straightening can be carried out on the annealed metal ultra-thin strip, and the strip shape quality of the strip is effectively improved.

Provided herein are low resistance metallization stack structures for 3D-NAND applications and related methods of fabrication. In some embodiments, thin metal oxynitride nucleation layers are deposited on dielectric material followed by deposition of a pure metal conductor using process conditions that increase non-molybdenum component element content at the oxynitride-dielectric interface. Certain embodiments of the methods described below convert less than all of the metal oxynitride nucleation layer to a pure metal layer, further lowering the resistivity.

The invention provides an X-ray absorption spectrum characterization system and an X-ray absorption spectrum characterization method for electrochemical reaction under a high-current working condition. A high-current electrochemical workstation provides current density not lower than that of a working condition electrolytic tank; the working condition electrolytic tank comprises a working electrode chamber and a counter electrode chamber which are oppositely arranged, and an ion exchange membrane arranged between the working electrode chamber and the counter electrode chamber; the working electrode chamber comprises a current-conducting plate made of a metal sheet, a working electrode loaded with a catalyst is arranged on one side, facing the ion exchange membrane, of the current-conducting plate, and a hollow flow channel is formed in the central area of the working electrode chamber; the working electrode chamber further comprises an X-ray window sheet for transmission of incident X-rays and fluorescent X-rays generated by the catalyst; the counter electrode chamber is provided with an electrolyte flow channel, and a counter electrode is arranged on one side, facing the ion exchange membrane, of the counter electrode chamber; and the electrolyte control system is used for realizing circulating flow of the electrolyte. Under the working conditions of high current density, strong bubble effect and high X-ray absorption, in-situ, real-time and high signal-to-noise ratio characterization of the microstructure of the catalyst can be realized.

The invention provides a miniature corrugated pipe machining technology and application, a miniature corrugated pipe is formed based on metal material machining, the miniature corrugated pipe is provided with a main body part, a plurality of extension parts are formed at one end of the main body part, and the extension parts are symmetrically arranged according to the axis of the main body part. According to the method, a metal material is machined into a designed shape through machining, then a thin metal coating is formed on the periphery of the metal material through an electrochemical process, useful parts are cut off through machining, and finally, original metal in the middle of the useful parts is thoroughly corroded through the electrochemical process, so that a final finished product is obtained. The miniature corrugated pipe is easy to install, use, replace and discover abnormities, and the installation space is small.

The utility model discloses a kind of thin metal sheet welding anti-deformation positioning tool, including placing table, the lower end surface of placing table is fixed with metal base, the both sides of metal base upper end surface are equipped with a slide rail;The front and rear of placing table are equipped with multiple down pressure bars, the both sides of the lower end surface of down pressure bar are fixed with a metal rod, the outer surface of metal rod is equipped with spring, the lower end surface of spring is connected with the metal ring of fixed sleeve in the outer surface of metal rod, the outside of metal ring is equipped with the slider of sliding installation in the inner wall of slide rail, the inside of slider is equipped with cylindrical groove.Through the utility model can be cooled on thin metal sheet except welding position on thin metal sheet by small radiator when welding thin metal sheet, by the above technical scheme, it can prevent thin metal sheet from deforming due to absorbing too much heat during welding, thereby improving the quality when welding thin metal sheet.

The utility model discloses a domestic ceramic drying treatment device which comprises a drying box body. An electric heating wire is arranged in the drying box body; the placing frame is arranged in the drying box body, the placing frame comprises a rotating pipe, a plurality of supporting discs are detachably installed on the outer side of the rotating pipe, and an air blowing pipe is in threaded connection with the portion, located below the supporting discs, of the outer side of the rotating pipe; the dehumidification device has the advantages that the fan sucks air in the drying box into the dehumidification box to make contact with the metal sheets, hot air is liquefied when meeting the cold metal sheets and moisture, left on the metal sheets and condensed into water drops, the water drops move downwards along the inclined metal sheets and enter the collecting tank through the water outlet holes to be collected, and the dehumidification efficiency is high; the draught fan absorbs heat generated by air in the dehumidification box and the heating end of the semiconductor chilling plate, meanwhile, the heating box is installed at the output end of the draught fan, the extracted air is heated again through the internal electric heating wire and then fed into the transmission pipe and the rotating pipe, heat recycling is achieved, and the energy utilization efficiency is improved.

The invention relates to the technical field of cables, and discloses a composite insulated corrosion-resistant cable, which comprises a plurality of thin metal sheets, and the outer walls of the plurality of thin metal sheets are fixedly connected with the outer wall of a filling elastomer; when current passes through a wire, energy loss is generated due to the resistance of the wire, the lost electric energy is converted into heat energy, and because special fillers such as flame-retardant fillers are arranged in the cable, the heat generated by the wire is difficult to dissipate in time, so that the use effect of the cable is influenced. At the moment, the filling elastomer is filled with a plurality of thin metal sheets, and a part of the thin metal sheets are located between the wire insulation sleeves on the outer walls of the wires and are in contact with the armoring, so that after the wires generate heat, the thin metal sheets can conduct a part of generated heat to the armoring, and the armoring is large in area and is close to the outside; and the influence of heat generated by the wire on the cable can be effectively reduced.

This invention relates to a composite bellows compensator inner wall protection structure, the bellows compensator itself, and its design method. The inner wall protection structure is a composite layer structure, including an anti-erosion functional layer, a transition fixing layer, and a bellows substrate. The anti-erosion functional layer includes an outer ceramic plate and an inner ceramic plate. The transition fixing layer includes an outer ring plate and an inner ring plate, which are spaced radially and staggered axially, forming a non-rigid connection structure. The inner walls of the outer and inner ring plates are respectively provided with the outer and inner ceramic plates. The bellows substrate is made of thin metal sheet and has a corrugated structure, used to realize the displacement compensation function of the bellows compensator. One end of the outer ring plate is fixedly connected to the inner wall of the bellows substrate. This invention effectively improves the wear resistance, deformation coordination, and overall operational reliability of the bellows compensator under complex working conditions by constructing a composite protection system on the inner wall of the bellows that combines high erosion resistance and good deformation adaptability.

The utility model provides a novel cardiac pacemaker lead fixing device belongs to medical appliance technical field, this novel cardiac pacemaker lead fixing device, include: lead body, the inside of lead body is equipped with thin metal wire, and the surface is provided with rotating handle. The utility model: the lead body is passed through the protection sheath pipe, and the anchor head end structure of lead body one end is moved to the inside of heart, until the main helical silk of nickel titanium alloy is made on the anchor head end and is fixed with the outer layer of myocardium, further adjusts the rotating handle on the surface of lead body to make the electrode end continue to move, the diameter between a plurality of inner layer's auxiliary micro helical silk changes in the process of rotating to drive a plurality of anchor block rotation and move and pass through endocardium, cooperate a plurality of anchor block surface's anchor hook and enhance the stability of lead body fixed, realize the purpose of anchor head end grading anchor operation.

The application belongs to the technical field of precision laser processing, and specifically discloses a laser micro-drilling and cutting device and method for a metal foil lead frame, which comprises a processing platform, a clamp, a three-axis motion system, a scanning galvanometer and an ultraviolet nanosecond pulse laser. The clamp applies a pre-tension to the metal foil through a screw rod mechanism and integrates a laser displacement sensor to monitor thermal deformation in real time. The three-axis motion system and the scanning galvanometer cooperate to realize three-dimensional accurate positioning, and a reflection system dynamically regulated by multiple mirrors is combined to ensure that the laser is vertically incident. The method comprises clamping and focusing, image processing and path planning, multi-directional scanning processing and post-processing. The application solves the problems of thermal deformation suppression and micron-level feature accuracy maintenance in large-format processing through optical-mechanical coupling multi-axis linkage control, has the advantages of high precision, environmental protection and high efficiency, and is suitable for the preparation of ultra-thin metal foil lead frames.

The invention discloses a composite enhanced thermoelectric module based on a Tesla valve structure and a manufacturing method thereof. The module comprises a fan, a heat dissipation module, a thermoelectric module and a control unit. The heat dissipation module is characterized in that the heat dissipation module is formed by superposing a plurality of ultrathin metal fins, the surfaces of the ultrathin metal fins are provided with flow guide concave bags and flow collecting cavities, the flow guide concave bags and the flow collecting cavities jointly form a bionic Tesla valve airflow channel, and efficient and low-resistance heat dissipation is achieved; the surface of the metal fin is provided with a rigidity enhancing and radiation enhancing coating; the hot end of the thermoelectric module is in eutectic combination with the heat dissipation module through a micro-anchoring interlocking structure, so that the interface thermal resistance is remarkably reduced; the temperature of the refrigeration surface of the thermoelectric module is independently controlled in a partitioned mode, the control unit cooperatively regulates and controls the power of all the areas with the lowest temperature in all the areas as the reference, and it is ensured that the surface temperature is highly uniform. According to the invention, the heat dissipation performance, the connection reliability and the temperature control precision of the module are systematically improved, and the module is suitable for the high-requirement precise temperature control field.

The durability of the protective parts portion of a human body protection inner protector, which consists of a protective sheet and multiple protective parts sewn onto the protective sheet, is improved. [Solution] The protective part of the inner protector for protecting the human body consists of a protective sheet and a plurality of protective parts sewn to the protective sheet in a predetermined arrangement and overlapping state, comprising a protective material made of a thin metal plate of a predetermined shape, two pieces of cloth material of the same shape but larger by predetermined dimensions than the protective material, and two heat-welded sheets of the same shape and dimensions as the two pieces of cloth material, wherein the entire protective material is welded and integrated between the two pieces of cloth material via the two heat-welded sheets.

Provided is a rotor core (10) comprising: a plurality of annular electromagnetic steel plates (11) having reduced-thickness portions (200) where the plate thickness is reduced; and magnet holes for installing a plurality of magnets constituting a plurality of magnetic poles (100). The rotor core (10) is characterized in that: the plurality of magnetic poles (100) each include a first magnet hole (110) for installing a first magnet (101) disposed at the center of each magnetic pole (100) in the circumferential direction of the electromagnetic steel plates (11), a second magnet hole (120) for installing a second magnet (102) disposed on the front Rf side in the rotational direction with respect to the first magnet (101), and a third magnet hole (130) for installing a third magnet (103) disposed on the rear Rr side in the rotational direction with respect to the first magnet (101); and the reduced-thickness portion (200) includes a first reduced-thickness portion (210) provided in at least a part between the first magnet hole (110) and the second magnet hole (120).

The application is a kind of dense crack nondestructive testing evaluation method and its testing device, which is used for detecting a large number of dense small cracks formed by metal coating layer and other ultra-thin metal surface, and is suitable for detecting and evaluating metal coating layer on any metal or non-metal substrate. The application is characterized in that high-frequency eddy current sweep technology is adopted, the frequency / amplitude curve obtained when a standard workpiece without defect cracks is swept is taken as a calibration value, the frequency / amplitude data curve in the sweep process is analyzed, and the relevant equivalent value of crack density and depth of the detected metal workpiece is obtained, so as to realize the evaluation of the defect crack condition of the detected object.

This invention belongs to the technical field of high-speed finishing shearing equipment for metal strips, and specifically relates to an airflow edge stabilization and anti-clogging device and method for high-speed shearing. The device includes a streamlined waste edge guide chute, with multiple sets of guide holes on the top plate of the upper chute. These guide holes are connected to a graded pressure pneumatic control module and are evenly arranged along the length of the guide chute. The outlet direction is downward and inclined towards the discharge direction, forming an angle of 25°–35° with the strip's running direction. The graded pressure pneumatic control module outputs an adjustable air pressure of 0.2–0.6 MPa, forming a constrained air curtain that suspends and constrains the waste edge in the middle of the guide chute, suppressing waste edge swaying, flying, entanglement, and clogging. This invention is installed behind the disc shear, supplying air to the guide hole sets to form an inclined constrained air curtain that stabilizes the waste edge in the middle of the guide chute without contact. It is suitable for thin metal strips with a thickness of 0.15–0.55 mm and a linear speed of 400–1000 m / min, and has advantages such as simple structure, no need for vacuum or mechanical clamping, strong adaptability, and stable operation.

This invention relates to the field of heat treatment technology for thin metal strips, and particularly to a multi-stage relaxation-controlled heat treatment equipment and process for Fe-based and Co-based amorphous alloy strips; it includes a feeding device, a multi-stage relaxation control device, a quenching device, a temperature control device, and a winding device arranged sequentially; the multi-stage relaxation control device includes n+1 sets of high thermal conductivity rollers, where n is an integer greater than or equal to 1, each set of high thermal conductivity rollers includes two high thermal conductivity roller bodies arranged in parallel, and each set of high thermal conductivity rollers is connected to the temperature control device. The multi-stage relaxation-controlled heat treatment equipment for metal strips of this invention can not only accurately control the structural relaxation process of amorphous alloys to obtain the expected performance, but also realize automated continuous and rapid production of amorphous / nanocrystalline strips through programmable control.

The present invention aims to provide a metal layered substrate with a carrier layer which maintains low adhesion between the carrier layer and an extremely thin metal layer while ensuring high adhesion of the extremely thin metal layer and a low dielectric film. In a metal layered substrate with a carrier layer 1A, an extremely thin metal layered foil 10 composed of three layers including a carrier layer 11, a separation layer 12, and an extremely thin metal layer 13 is layered on at least one side of a low dielectric film 20, characterized in that the bonding strength of the extremely thin metal layer 13 and the low dielectric film 20 is greater than the separation strength of the carrier layer 11 and the extremely thin metal layer 13.

This utility model discloses a forced vibration fatigue testing device for thin metal sheets, belonging to the field of fatigue life testing technology for thin metal sheet materials. It addresses the problems of low vibration frequency, poor adaptability, and bulky structure in traditional testing devices. The device includes a trapezoidal impact platform base, a housing, a modular support frame, and a drive and detection mechanism. The support frame consists of an experimental support, a test piece platform, and limiting blocks, achieving rapid positioning and height adjustment of the test piece via bolts. The drive and detection mechanism includes symmetrically distributed motor and encoder assemblies. The motor drives the roller shaft via a coupling, causing the rollers to rotate at high frequency. The encoder records data in real time and provides feedback via a touchscreen. The trapezoidal base incorporates a shock-absorbing layer to improve stability, the modular structure reduces structural weight, it is adaptable to thin metal sheets of varying thicknesses, and the integrated touchscreen interface provides convenient operation. This device is suitable for high-precision fatigue life testing of ultra-thin materials such as aerospace flexible components.

The application provides a circuit board and a manufacturing method thereof, relates to the technical field of circuit boards, and aims to solve the technical problem of poor high-frequency signal transmission of the circuit board. The manufacturing method comprises the following steps: providing a to-be-processed board piece, the to-be-processed board piece comprising a metal layer, the metal layer having a thick metal area and a thin metal area; forming a first dry film on the thick metal area and the thin metal area; placing a convex pressing plate on the first dry film, the convex pressing plate having a protrusion matched with the thin metal area, and the protrusion extrudes and adheres the first dry film to the thin metal area. The protrusion matched with the thin metal area extrudes and adheres the first dry film to the thin metal area, so that there is no gap between the first dry film and the thin metal area, and the circuit pattern of the thin metal area and the thick metal area can be manufactured by the first dry film once, the circuit pattern is complete, the manufacturing process is simplified, and high-frequency signal transmission is good. In addition, the circuit pattern of the thin metal area and the thick metal area is smoothly connected, so as to ensure the docking accuracy and thus good high-frequency signal transmission.

To suppress reduction in light transmittance even when a sensor is overlapped with a parallax barrier.SOLUTION: A display device includes a display region that displays an image, a parallax barrier that allows an image output from the display region to be visually recognized as a parallax image, and a sensor provided to overlap the parallax barrier, the parallax barrier including a light shielding body and a plurality of slits that do not include the light shielding body, extend in a predetermined direction, and transmit light, the sensor including an electrode and a wiring line electrically coupled to the electrode, at least the electrode having a mesh structure formed of a plurality of thin metal wires extending in a predetermined direction. The wiring includes the thin metal wire in a connected state adjacent to the thin metal wire in a non-connected state, and an extending direction of the thin metal wire and an extending direction of the slit are different from each other.SELECTED DRAWING: Figure 17

The present invention provides a method for manufacturing joints for thin strip metal sheets that improve tensile strength and bending strength. [Solution] The cut edge shape of the first strip-shaped metal sheet 1 has a first edge 1d extending from one side edge 1a to a first widthwise midpoint 1c, an intermediate edge 1f extending from the first widthwise midpoint 1c to a second widthwise midpoint 1e located a predetermined distance along the length of the first strip-shaped metal sheet 1, and a second edge 1g extending from the second widthwise midpoint 1e to the other side edge 1b. The cut edge shape of the second strip-shaped metal sheet 2 has a shape that matches the cut edge shape of the first strip-shaped metal sheet 1, and is spot-welded around the first widthwise midpoint 1c and around the second widthwise midpoint 1e.

An overflow recess for assisting in manufacturing a wick and a wick manufacturing method, relating to the technical field of wick manufacturing. The overflow recess comprises a second recess body, a liquid inlet pipe (2-2) and a frame body (1); the liquid inlet pipe (2-2) communicates the outside of the second recess body with the overflow recess; two surfaces of the frame body (1) that are not adjacent to each other are hermetically connected to two surfaces of the second recess body that are not adjacent to each other; gaps are provided between the other two surfaces of the frame body (1) and the other two surfaces of the second recess body; the gaps are used for accommodating a workpiece (2) to be processed when the manufacturing of a wick is assisted; an overflow port is provided on the frame body (1); during manufacturing, by means of coupling between the high-speed movement of a laser galvanometer and the movement of the workpiece (2) and coupling between continuous liquid and air processing, a large-format recess structure can be manufactured, and the recess size is easy to adjust. The design of the overflow recess allows for an one-step wick manufacturing process, and achieves high-surface-quality, highly flexible and efficient processing of a large-aspect-ratio primary recess structure on an ultra-thin metal surface, thereby improving the processing efficiency of multi-stage recess structures.

The utility model discloses an encoder rotor, an encoder and a motor, the encoder rotor comprises a code disc support, a rigid transparent member and a metal code disc, a glass plate is provided with a first surface and a second surface, and the first surface is adhered to the code disc support; the metal code disc is adhered to the second surface; at least the second surface of the glass plate is a smooth plane. The glass plate has excellent rigidity, and the first surface and the second surface of the glass plate are planes with extremely high flatness, so that the glue layer coated on the second surface can be uniformly distributed, stress is further eliminated or reduced, the possibility of deformation or even damage of a thin metal code disc due to uneven stress is avoided, and the service life of the metal code disc is prolonged. And the reliability of the encoder is improved.

This invention relates to the field of CPU heat dissipation, and more particularly to a high-efficiency CPU heat dissipation structure and method, comprising a frame assembly, auxiliary components connected to the frame assembly, a heat dissipation assembly connected to the frame assembly, and a protective assembly connected to the frame assembly. This invention provides efficient heat dissipation under different load conditions through contact air cooling and liquid circulation cooling. The heat dissipation assembly's vapor chamber rapidly and evenly diffuses the heat generated by the central processing unit and transfers it to the heat-conducting fins. Stacked fins formed by thin metal sheets, along with directional airflow generated by a first cooling fan, effectively remove heat from the air, achieving rapid heat dissipation. The cold head transfers heat to the circulating medium, which then flows through a radiator with multiple internal water channels. A second cooling fan powerfully blows air across the surface of the radiator, efficiently dissipating heat from the cooling medium to the external environment, thus ensuring continuous heat dissipation.

The invention relates to the technical field of semiconductor manufacturing, in particular to an edge forming method and processing equipment for a metal sheet, and the method comprises the steps: placing the edge of the metal sheet in an oxidizing solution for soaking so as to carry out oxidation treatment; in the soaking process, the metal sheet is rotated, the total soaking time of the metal sheet is set to be S0, the edge soaking time of the metal sheet is set to be S1, the size of the metal sheet is set to be D1, the soaking depth of the metal sheet is set to be H1, and S0 is calculated based on S1, D1 and H1. By means of the arrangement, the double-sided width with the chamfered edge can be formed for the thin metal sheet, the integral stress of the metal sheet can be protected, and the yield of an original device is not prone to being affected by the edge fluctuation problem when the original device is attached.

This invention provides a slip-prevention device that can be easily attached to and detached from various mask shapes, is reusable, and also prevents glasses from fogging up. [Solution] The anti-slip device 1 is a single unit consisting of a plastically deformable metal plate 2 made of thin metal and attachments 3 on both ends of one side of the metal plate. It is attached to the mask with the attachments and fixed by pressing it against the bridge of the nose together with the mask, so as not to be affected by the tension acting on the mask toward the ears or the pulling force due to the movement of the jaw, it prevents the entire mask from slipping down and seals the gap at the upper edge of the mask, preventing glasses from fogging up. It is made of thin material and does not bulge out and stand out compared to thick plastic. It does not take up much space when stored in a small pouch and can be returned to its flat state even after being bent, making it convenient to carry around and contributing to improved convenience.

The utility model discloses an anti-collision display label, and belongs to the technical field related to warehouse logistics consumables. Comprising a base and a shell, the shell is fixedly installed on the base, the device further comprises two cantilever beams, the two cantilever beams are installed at the two ends of the base, the two cantilever beams are arc-shaped elastic thin metal sheets, a marking plate is fixed to one end of each cantilever beam, a plurality of check blocks are fixed to the upper end of the base, and the check blocks are fixed to the lower end of the base. And the two sides of the two cantilever beams are respectively placed on the stop blocks. According to the anti-collision display label, through the arrangement of the marking plate and the indication window, when goods are collided, the marking plate can move downwards due to bending of the cantilever beam, so that the display state in the indication window is changed, and when a receiver receives the goods, no extra equipment is needed; whether the goods are bumped or collided in the transportation process can be clearly known by directly observing the indication window, and the intuition and convenience of collision monitoring are improved.

The invention belongs to the technical field of ferroelectric storage, and particularly relates to an ultra-thin HfO2-based ferroelectric capacitor and a preparation method and application thereof, and the ultra-thin HfO2-based ferroelectric capacitor comprises a bottom conductive electrode layer, a bottom ultra-thin metal layer, a ferroelectric dielectric layer, a top ultra-thin metal layer, a top conductive electrode layer and a mask layer, the thermal expansion coefficient of a metal material adopted by the bottom ultra-thin metal layer is smaller than that of a dielectric material adopted by the ferroelectric dielectric layer; the thermal expansion coefficient of a metal material adopted by the top ultra-thin metal layer is smaller than that of a dielectric material adopted by the ferroelectric dielectric layer. Compared with the prior art, the problem that ferroelectricity and reliability are reduced due to the fact that a depolarization field is generated by an interface oxide layer (interface layer) between the insertion layer / electrode and the ferroelectric medium layer in the prior art is solved. According to the scheme, the enhanced ferroelectricity without wakeup is realized, and meanwhile, the operation voltage is reduced.

The invention relates to the technical field of super-capacitors, discloses a tab-free structure of an internal series intermediate unit of a super-capacitor and a preparation method, and aims to solve the problems of complex structure, high proportion of inactive parts, limited energy density and the like caused by dependence on intermediate double collectors and tabs of an existing series module of the super-capacitor. The structure comprises a plurality of super capacitor units which are stacked in sequence, and a thin metal isolation layer is arranged between every two adjacent super capacitor units; the thin metal isolation layer naturally has dual functions of electron conduction and ion barrier, balances the charge difference of the active layers on the two sides and completes electrical connection between units; after charging is stable, the electric field is kept static, the metal isolation layer maintains series connection between the units through the established charge balance state, traditional double collectors are replaced, and the middle unit does not need to be provided with a tab. The structure is simplified, the inactive proportion is reduced, the energy density and the production efficiency are improved, and the method has a good industrialization prospect.