1115 results about "Membrane layer" patented technology

The invention discloses a preparation method of a ceramic membrane with efficient separation and catalysis functions as well as a product prepared by the preparation method and application of the ceramic membrane. The preparation method comprises the following steps: preparing a ceramic membrane support body by taking large-particle-size ceramic particles as a raw material, and preparing a transition layer by taking transition metal oxide nanofibers as a raw material by adopting a dip coating method; small-particle-size ceramic particles are used as raw materials to prepare a separation membrane layer by adopting a dip-coating method, and the ceramic membrane with a sandwich structure is formed through one-step co-firing. The transition layer with high porosity and specific surface area is formed by adopting the transition metal oxide nanofibers, so that the number of catalytic active sites and the permeation flux are improved; small-particle-size ceramic particles are adopted to form a separation membrane layer with uniform pore size distribution and a flat membrane surface, so that the separation efficiency of particulate matters and organic matters in water is improved, the accumulation of the particulate matters and the organic matters on the membrane surface is reduced, and meanwhile, the particulate matters and the organic matters in water are prevented from covering active sites of the catalytic ceramic membrane; therefore, the separation efficiency and the catalytic degradation efficiency of the ceramic membrane are synchronously improved.

The invention provides a back contact solar cell and a preparation method thereof, and relates to the technical field of back contact solar cells. The preparation method of the back contact solar cell comprises the steps that an isolation area, a P area and an N area are arranged on the back face of a silicon wafer, and the isolation area is located between the P area and the N area; forming a silicon dioxide mask layer only on the isolation region; after a silicon dioxide mask layer is formed on the isolation region, a P-type polycrystalline silicon layer is formed in the P region; after a silicon dioxide mask layer is formed on the isolation region, an N-type polycrystalline silicon layer is formed in the N region; and removing the silicon dioxide mask layer after the P-type polycrystalline silicon layer and the N-type polycrystalline silicon layer are formed. According to the scheme, high-temperature diffusion of impurity atoms can be blocked, and the problem that the photoelectric conversion efficiency of the battery is reduced due to the fact that boron and phosphorus impurity atoms exist at the junction of the P region and the N region at the same time is effectively solved.

The invention discloses application of a metal ion doped graphene oxide film in catalytic synthesis of Schiff base. The metal ion doped graphene oxide film comprises a graphene oxide film and metal ions loaded on the surface and between layers of the graphene oxide film. Metal ions in the metal ion-doped graphene oxide film induce reactant molecule orientation through a cation-pi effect, and a confinement channel formed between the metal ions and GO is combined, so that a front line molecular orbit of a reactant for catalytic synthesis of the Schiff base is better matched, the molecular freedom degree is reduced, and the Schiff base catalytic synthesis efficiency is improved. And the molecules are subjected to bond breaking and bond forming reactions in a specific orientation. Molecules are orderly arranged among layers and flow to pass through a two-dimensional nano confinement channel provided by the graphene oxide nanosheets among the film layers, so that the reaction activation energy is reduced, and efficient catalytic synthesis of various Schiff bases is realized at room temperature. Meanwhile, by regulating and controlling the chemical microstructure of the membrane material, the catalytic reaction efficiency and the reaction selectivity can be effectively improved.

The invention discloses a method for realizing pure pore size regulation and control of a silicon carbide ceramic membrane, which comprises the following steps of: a) adding silicon carbide, sodium carboxymethyl cellulose and a dispersing agent into water, and uniformly ball-milling to obtain spraying slurry; and b) spraying the spraying slurry to the surface of a silicon carbide ceramic membrane to be regulated and controlled, naturally airing, carrying out vacuum drying at 75-85 DEG C for 2-5 hours, putting into a high-temperature furnace, carrying out vacuum sintering at 800-1200 DEG C for 1-3 hours, putting into a muffle furnace, and carrying out oxidation sintering at 700-900 DEG C for 25-45 minutes. According to the method, the pore size of the silicon carbide ceramic membrane can be subjected to pure regulation and control, operation is easy, cost is low, large-scale production is easy to achieve, the influence on the thickness of an original membrane is small, the membrane layer firmness is good, the filter flux of pure water is still high, and the application value of the silicon carbide ceramic membrane in water treatment is remarkably improved.

The invention provides a secondary battery and an electric device, and relates to the field of batteries. The secondary battery comprises a positive pole piece, a negative pole piece and an isolating membrane, the positive pole piece comprises a positive current collector and a positive membrane layer arranged on at least one side surface of the positive current collector, and the compaction density of the positive membrane layer is 2.0-3.0 g / cm < 3 >; the negative pole piece comprises a negative current collector and a negative film layer located on at least one surface of the negative current collector, and the compaction density of the negative film layer is 1.4 g / cm < 3 >-1.85 g / cm < 3 >; the isolating membrane comprises a base membrane, the thickness of the base membrane ranges from 4 micrometers to 12 micrometers, the base membrane is provided with nanopores, and the average pore size of the nanopores ranges from 10 nm to 300 nm. The secondary battery has high energy density and improved safety performance.

The invention relates to a wafer probe test calibration method, device and equipment, a medium and a product, and relates to the field of semiconductor equipment, and the method comprises the steps: obtaining an initial OD value of a wafer test machine in a zero-pressure contact state between a probe on a probe card and a contact point on a wafer, and a length value of the probe; acquiring a first height difference between a first reference measurement point above the wafer and a second reference measurement point below the wafer; acquiring a second height difference between the first reference measurement point and the top surface of the wafer; acquiring a third height difference between the bottom surface of the probe card and the second reference measurement point; calculating a measurement distance value between the bottom surface of the probe and the contact point according to the first height difference, the second height difference, the third height difference and the length value; according to the method, the influence of the WAT machine difference and the product film thickness on OD value setting can be eliminated, and meanwhile, the product film layer change and the equipment state are monitored according to the target displacement value obtained through calibration.

The invention provides an ultra-wideband low-absorption low-stress high-reflection thin film based on a gradual change chirp structure, and belongs to the technical field of optical thin films. Different from a mode of mutually combining and superposing high and low refractive index materials of a traditional structured film system to control the reflection bandwidth, the invention provides a logarithmic function gradient chirp structure, the reflectivity index is adjusted by adjusting the total number of film layers, and the reflection bandwidth is adjusted by adjusting head and tail optical thickness coefficients. The problem that the reflectivity is suddenly reduced in a multi-reflection-band superposition reflection gap area when the broadband high-reflection dielectric film is designed is effectively avoided, and the problem of surface distortion caused by thin film stress is reduced by adjusting the film thickness ratio of the stress regulation and control layer to the gradual change main reflection layer. From the perspective of membrane system design, the thickness of the membrane layer is reduced, the preparation period and difficulty are reduced, problems and risks caused by stress are reduced, membrane layer absorption is effectively reduced, and the absorption and stress can be controlled within a proper range in combination with a post-treatment means to effectively support safe and stable operation of the system.

A working wire for a biological sensor is disclosed. The working wire includes a substrate comprising cobalt-chromium (Co—Cr) alloy or Nitinol alloy, a platinum layer comprising platinum on the substrate, and a membrane layer comprising a biological membrane applied over the platinum layer.

A pervaporation composite membrane belongs to the technical field of membrane separation. The pervaporation composite membrane comprises a porous substrate, a middle membrane layer and a separation membrane layer which are sequentially stacked, the average pore size of the porous substrate is greater than or equal to 250nm; the average pore size and porosity of the middle film layer are smaller than those of the porous substrate, and the middle film layer has the organic matter affinity characteristic; the separation membrane layer has the hydrophobic characteristic and the organic matter selective permeation characteristic. The middle membrane layer is beneficial to improving the problems of seepage holes, difficulty in spreading, uncontrollable thickness of the separation membrane layer and the like in the solid-liquid interface preparation process, ensures the defect-free preparation of the separation membrane layer, and is beneficial to improving the permeability of the pervaporation composite membrane to organic matters.

The present application relates to a hybrid membrane for an electrochemical device, the hybrid membrane comprising: a membrane layer comprising: a modified metal-organic framework (MOF) material wherein the modified MOF material is a MOF material modified with one or more of a lithium salt, a carboxylic acid, or an amino acid, and a binder material, the adhesive layer is used for adhering the modified MOF material to the porous supporting layer so as to form a film layer on the porous supporting layer; and the porous support layer is used for providing mechanical support for the membrane layer. The present application also relates to a method for preparing the hybrid membrane, an electrochemical device comprising the hybrid membrane and the use of the hybrid membrane for inhibiting Lewis acid by-products in an electrochemical device.

The present application provides a preparation method for a biological membrane, and a product and an application thereof. The preparation method for the biological membrane comprises the following steps: (1) treating animal cavity tissues by using a collagenase inhibitor; (2) removing a membrane layer which accounts for more than 40% of the total fat content of the animal cavity tissues; (3) using a first enzyme solution to treat a product obtained in step (2); (4) using an alkali solution to treat a product obtained in step (3); (5) using a decellularized solution to treat a product obtained in step (4); (6) using a degreasing fluid solution to treat a product obtained in step (5); (7) using a second enzyme solution to treat a product obtained in step (6); and (8) using supercritical carbon dioxide to clean a product obtained in step (7) to obtain a biological membrane. In the present application, the integrity of a multi-layer space structure, elastic fibers and a collagen network of the biological membrane can be reserved to a great extent, the mechanical strength is high, residues of organic matters and reagents in the product can be removed, and the tissue regeneration inducing effect of the product is better.

The invention discloses a Fe / C loaded membrane module, a PN / A-MABR autotrophic nitrogen removal device, a preparation method and a sewage treatment method, and belongs to the technical field of sewage treatment. According to the invention, the problem that the treatment effect is influenced by NO3 <->-N accumulation in the existing membrane aeration coupling partial nitrification-anaerobic ammonia oxidation process is solved. Comprising a frame and a membrane body attached to the outer portion of the frame, the membrane body comprises a hydrophobic organic membrane layer, an iron-carbon material layer and a biological membrane layer which are sequentially arranged, and the hydrophobic organic membrane layer is attached to the outer portion of the frame. The iron-carbon material is added between the hydrophobic organic membrane layer and the biological membrane layer, the iron-carbon micro-electrolysis process is coupled with the dissimilatory process of nitrate generated by microbial metabolism, the removal of NO3 <->-N generated by anaerobic ammonia oxidation is enhanced, and the total nitrogen removal efficiency is improved.

The present invention belongs to the field of plating technology and specifically relates to an ALD-Parylene composite film layer, a deposition device, and a deposition method thereof. By reserving a vacuum gap between a heating plate and the outer wall of a cavity, a barrier is formed to isolate the heating plate from heat conduction to the outside of the cavity as the vacuum degree in the cavity increases during the reaction process, thereby avoiding heat loss caused by direct contact and damage to seals, thereby improving the coating effect. The ALD reaction and the Parylene reaction are combined in the same reaction chamber, and different pipeline designs and time-sharing control are used to form a composite film layer structure of alternating ALD film layers and Parylene film layers on the surface of the substrate. The density of the ALD film layer is conducive to enhancing the water resistance of the film layer and sealing the defects of the original Parylene film layer. The softness of the original coating is maintained, and it will not break when subjected to impact and thermal shock, which is conducive to improving the stability of the film layer.

The invention discloses a fabric with a breathable film, which is prepared by the following steps: S1, selecting a chinlon spandex or polyester spandex four-way stretch fabric to make a surface fabric layer, using a nanofiber material based on polyurethane to prepare a breathable film layer, using a special fiber fabric with moisture absorption, sweat releasing and light heat storage functions to prepare a base fabric layer, and using the breathable film layer to prepare a breathable film layer; selecting an environment-friendly water-repellent additive as a waterproof layer of the shell fabric, and selecting a hot melt adhesive for bonding different layers; according to the invention, the nylon spandex or polyester spandex four-side elastic shell fabric layer with a telescopic characteristic is selected, then an environment-friendly water-repellent auxiliary agent is applied to form a waterproof layer, the breathable nanofiber membrane layer is prepared by an electrospinning technology, the base fabric layer with moisture absorption and sweat releasing functions is combined, and specific material selection and a fine process flow are adopted, so that the moisture absorption and sweat releasing performance of the fabric is improved. The fabric creatively integrates the characteristics of wind resistance, air permeability, water resistance and good elasticity keeping, effectively solves the contradiction between the heat retention property and the air permeability of the traditional fabric, and improves the wearing comfort and practicability at the same time.

The invention discloses a preparation method of a novel acid and alkali resistant organic tubular nanofiltration membrane, particularly discloses a process of coating first and then butting edges of a straight roll type tubular membrane, and solves the problems of non-uniform flow channels, easy damage of a membrane layer, low production efficiency and the like of the tubular membrane in the prior art. Preparing polysulfonamide by utilizing an interfacial polymerization reaction, and then sequentially immersing the polysulfonamide into a glutaraldehyde solution and a polyethylene glycol solution; compared with a C = O bond of polyamide, oxygen of an S = O bond of polysulfonamide is more difficult to erode by acid; the polysulfonamide tubular nanofiltration membrane is chemically modified by adopting a polyethylene glycol functional material, an aldehyde group in glutaraldehyde reacts with an unreacted amino group on the surface of a PSA base membrane, the crosslinking degree of an active layer is enhanced, and the antifouling property of the membrane is remarkably improved by combining the unreacted aldehyde group with a hydroxyl group of PEG. Not only is the structural stability of the membrane optimized, but also the durability and the cleaning efficiency of the membrane in practical application are effectively improved.

To provide an analysis element and a manufacturing method thereof that can prevent an object to be analyzed from being unable to be analyzed appropriately.SOLUTION: A manufacturing method of this analysis element 100 includes the steps of forming a mask layer 20, forming a membrane layer 30, exposing a substrate 10, forming an introduction hole 13 and forming a protrusion 14 at the inlet end 13a of the introduction hole 13, and removing the protrusion 14 by wet etching the protrusion 14.SELECTED DRAWING: Figure 13

The invention discloses a green construction of a porous separation membrane and an efficient uranium separation / enrichment method thereof.The method comprises the steps that firstly, mixed-dimension attapulgite clay acid etching powder is modified through phytic acid and then added into a saponin plant extracting solution, and then the mixture is mixed with a sodium alginate-chitosan double-network matrix; a film-forming solution with a high-mechanical-stability gas-liquid interface is obtained through a Pickering foam template method, and then the porous separation film is controllably constructed through cooperative strategies such as film casting, calcium cross-linking and carboxylation. Based on the advantages of a rod / sheet mixed dimension structure of minerals, synergistic interaction of plant derivatives and a spatial orientation regulation and control synergistic mechanism of functional groups, a porous separation membrane with a specific porous structure, excellent mechanical properties and uranium separation efficiency is constructed in a green manner, and the uranium separation efficiency is improved by combining optimization of membrane layer stacking and elution strategies. A high-efficiency uranium separation / enrichment method is developed, and a new normal form is provided for solving uranium pollution prevention and control and resource recovery and enrichment by a membrane separation technology.

The invention discloses a double-layer piezoelectric sensor and an application and method of the double-layer piezoelectric sensor in representing beta-phase polyvinylidene fluoride membrane adsorptive pollution, a piezoelectric beta-phase polyvinylidene fluoride membrane is a porous membrane formed by a blending system of polyvinylidene fluoride and ionic liquid and has a beta-phase crystal structure and a piezoelectric response characteristic, and the piezoelectric beta-phase polyvinylidene fluoride membrane is prepared by spin-coating a PVDF solution on a chip. The double-layer piezoelectric sensor containing the beta-phase polyvinylidene fluoride membrane is obtained, and QCM-D detection is carried out to characterize the adsorptive pollution condition of the beta-phase polyvinylidene fluoride membrane. Adsorption and desorption behaviors of organic matters with different dissolvability and mixtures thereof on the beta-phase PVDF membrane layer are represented, the adsorption result is matched with the hole blocking resistance in the actual membrane pollution process, and the hole blocking resistance is calculated by monitoring the fifth overtone of the piezoelectric quartz sensor. And the quality of soluble organic matters adsorbed on the PVDF surface and the property of an adsorption layer can be evaluated by using a frequency change value and a dissipation value, and a scheme is provided for researching the pollution behavior of the beta-phase polyvinylidene fluoride membrane.

The air film structure with the cooling function comprises an air inflation film layer, a heat insulation layer and an air supply device, an air film space is formed between the air inflation film layer and the ground, and the heat insulation layer is arranged on the air inflation film layer; the heat insulation layer comprises a plurality of air rib pipe sections which are sequentially arranged on the air inflation film layer. One or at least two communicated air rib pipe sections form an air duct, so that a plurality of air ducts are formed on the heat insulation layer; each air duct is provided with an air inlet and an air outlet, the air inlets are connected with the air supply device, and the air ducts are used for receiving cold air of the air supply device so as to mix the cold air with heat of the inflatable film layer to cool the air film space; and the air outlet is used for discharging cold air and heat mixed in the air duct to the outside. According to the air film structure, cold air and heat of the air inflation film layer are mixed to cool the air film space through cooperation of the multiple air channels, the air inlets in the air channels, the air outlets in the air channels and the air supply device, and therefore the safety and reliability of the air film structure are improved.

The embodiments of the present disclosure provide a method for mounting a membrane-type containment system carrying cryogenic liquid cargo. A membrane-type containment system comprises a primary membrane layer, fastening engagement plates, a primary insulation layer, a secondary membrane layer and a secondary insulation layer, which are sequentially connected and fixed to a hull structure by means of penetrating fasteners, wherein the primary membrane layer, the primary insulation layer, the secondary membrane layer and the secondary insulation layer enclose to form a cryogenic liquid cargo storage tank for containing an ultra-low-temperature medium. In a planar area, the method comprises: mounting spacer plates on a bulkhead of the hull structure according to set marked lines, and mounting secondary insulation modules on the spacer plates; performing fixation by means of the penetrating fasteners; after mounting is completed, mounting the secondary membrane layer and primary insulation modules in sequence; then mounting each fastening engagement plate disposed above a gap formed by two adjacent primary insulation modules; and mounting the primary membrane layer, wherein the boundary of each primary membrane is welded and fixed to fixing welding plates and sealing metal pieces provided on the fastening engagement plates disposed on the primary insulation modules.

The present invention relates to a composite separator for a lithium metal battery, a preparation method for a composite separator, and a lithium metal battery. The composite separator for a lithium metal battery comprises a separator layer and an NF@MOF membrane layer, wherein the NF@MOF membrane layer is an NF membrane on which an MOF material is grown in situ. In the present invention, the separator layer is combined with the NF@MOF membrane layer, and the in-situ grown MOF material provides high ionic conductivity and low interfacial impedance, such that the prepared composite separator integrates high mechanical strength, high flexibility, high electrolyte wettability, a high liquid retention rate and excellent ionic conductivity; and the synergistic effect exerted by the components of the composite separator can promote the uniform deposition and stripping of lithium metal, suppress the growth of lithium dendrites, and prevent separator penetration that may lead to a short circuit or even fire and explosion accidents, thereby prolonging the cycle life of the lithium metal battery and improving the safety performance thereof. Thus, the composite separator of the present invention has broad application prospects in terms of lithium metal batteries.

The composite membrane comprises a base membrane layer and a functional layer, the functional layer comprises at least two material layers which are arranged in a stacked mode, and the at least two material layers are selected from an inorganic ceramic layer, a solid electrolyte layer and a high-temperature-resistant polymer layer. The at least two material layers are arranged on at least one side of the base film layer; wherein the functional layer comprises a high-temperature-resistant polymer layer, and the high-temperature-resistant polymer layer is arranged on the surface of the base film layer; when the functional layer does not comprise the high-temperature-resistant polymer layer, the solid electrolyte layer is arranged on the surface of the base film layer. According to the composite diaphragm, the heat resistance of the diaphragm is improved, and the use safety of the lithium battery is improved.

The invention provides a biological nanopore sensor and a preparation method thereof. The method for preparing the biological nanopore sensor comprises the following steps: a) preparing hydrophilic protein into lipidosome; and b) mixing the lipidosome with the membrane layer to promote the lipidosome to be inserted into the membrane layer to obtain the biological nanopore sensor, and the hydrophilic protein has a nanopore channel. The method can solve the problem that the hydrophilic protein is difficult to prepare into the biological nanopore sensor in the prior art, and is suitable for the field of nanopore sequencing.

The invention provides a preparation method of a metal-based ceramic composite membrane with a catalytic ozone function. The preparation method comprises the following steps: preparing functional powder by taking tetrabutyl titanate as a titanium source and silver nitrate or ferric nitrate as a catalytic active metal source and adopting a sol-gel method; a porous metal pipe is used as a supporting body, metal powder and functional powder which are made of the same material as the supporting body are mixed to prepare functional slurry, the functional slurry is evenly deposited on the inner wall of the supporting body through vacuum filtration, and powder particles which are not firmly combined are removed through back flushing; and finally, the binding force between the functional film layer and the metal matrix is improved through high-temperature heat treatment. Wherein the thermal expansion coefficient difference between the metal supporting body and the functional film layer can be reduced by adding the metal powder, the metal powder is melted and diffused in the high-temperature heat treatment stage, and metallurgical bonding is formed between the functional powder and the metal substrate. The method is simple in process, and the prepared metal-based ceramic composite membrane has the advantages of being high in membrane layer binding force, not prone to falling off, high in catalytic activity, high in anti-pollution capacity, stable in operation and the like.

The invention provides an intelligent response nano-film and application thereof in waste lead-acid storage battery electrolyte recycling, and relates to the technical field of waste lead-acid storage battery electrolyte recycling, the intelligent response nano-film breaks through performance limitation of an existing film system through a specific intelligent material structure, and when heavy metal ions such as Pb < 2 + >, Fe < 3 + > and Cu < 2 + > enter the film, the intelligent response nano-film can be recycled, and the service life of the intelligent response nano-film is prolonged. The metal ligands are combined with metal ions to cause local shrinkage or closing of pore channels, so that the active defense and intelligent blocking effects of blocking heavy metals are achieved; and when SO4 < 2-> and H < + > pass through the channel, membrane pore channels are kept in an open state, so that rapid acid flux (namely the amount of substance passing through the membrane layer in unit time) of sulfuric acid is realized. The intelligent response nano film has a programmable aperture of a polymer liquid crystal network and an intelligent response valve mechanism of metal, and selective separation of heavy metal and sulfuric acid is realized by stimulating reversible adjustment of an induced film structure.

An implantable device for delivery of a macromolecular drug compound is provided. The device comprises a core having an outer surface and a membrane layer positioned adjacent to the outer surface of the core. The core comprises a core polymer matrix within which is dispersed a drug compound having a molecular weight of about 5 kDa or more, the polymer matrix containing a hydrophobic polymer. The membrane polymer matrix includes from about 70 wt. % to about 99 wt. % of an ethylene vinyl acetate copolymer.

The present invention provides an artificial dura mater and a preparation method thereof, and relates to the technical field of medical repair materials. The artificial dura mater is mainly composed of a degradable repair membrane layer and an anti-seepage protective layer composited on the degradable repair membrane layer, wherein: the degradable repair membrane layer is composited by a plurality of fiber-oriented sheets, and the orientation direction of the oriented fibers in the fiber-oriented sheets is consistent. The oriented fibers with the same orientation direction are conducive to the attachment of cells, have high biocompatibility, and have good repair and regeneration effects; at the same time, the patch composited by fiber-oriented sheets with different orientation directions in the present application has better mechanical strength. In addition, the anti-seepage protective layer can play a good anti-seepage role, and can also prevent fibroblasts, muscles, and vascular tissue cells from growing into the artificial dura mater to cause adhesion. Therefore, the artificial dura mater of the present application has the advantages of high biocompatibility, good mechanical strength, and excellent anti-seepage and adhesion performance.

Provided in the embodiments of the present application are a secondary battery and an electric device. In the secondary battery provided in the embodiments of the present application, the thickness Hc of a positive membrane layer of a battery, the contact angle θ of an electrolyte on a positive current collector, the weighted value a of a dielectric constant of an organic solvent in the electrolyte, and the total lithium-ion concentration M in the electrolyte are controlled, and the following relational expression is satisfied: 0.450≤(cosθ×a) / (M×Hc)≤0.792, so that the prepared secondary battery has lower self-discharge performance and better kinetic performance and cycle performance while meeting the requirement of high energy density.

The invention provides a battery electrolyte film-forming additive, a battery electrolyte and application of the battery electrolyte film-forming additive, the battery electrolyte film-forming additive is one or more of alkyl phosphonate alkoxy silane compounds, the compound has a chemical structure shown in a formula (I), R1, R2, R3, R4 and R5 are independently selected from one of C1-C10 alkyl groups, n is larger than or equal to 1 and smaller than or equal to 10, and n is an integer. P with electrophilic property in the formula shows relatively high reduction potential; oxygen atoms react with active points of a silicon negative electrode, so that the activity of a passive film layer can be reduced; the high-bond-energy Si-O bond and chain alkyl structure can endow the passivation film with flexibility and stability. Under the synergistic cooperation of the structures, the battery electrolyte film-forming additive can generate a compact passive film layer with flexible and stable characteristics on a silicon negative electrode, the continuous consumption of the battery electrolyte caused by the expansion of silicon particles in the circulation process is inhibited, the interface impedance is reduced, and the battery performance is improved. # imgabs0 #

A method of interlaying a metal core for a dual-layer electronic metal payment card. The metal core includes a metal layer having one or more openings formed therein (such as to receive a payment module or another electronic component or aesthetic feature). To interlay the metal core, the metal layer is laminated with a heat activated film layer and a release liner, and the laminated structure is subsequently placed on a heating plate. A polymer is applied only to the one or more openings. Using a containment structure placed over the metal core layer and a combination of heat, vacuum pressure, and pressurized inert gas, the method includes adhering and curing the polymer to the heat activated film to complete the lamination process. After curing, excess polymer is removed via a finishing edge (such as a grinder, a sander, a milling machine, or as similar edge).