101 results about "Metal foam" patented technology

A bipolar plate-gas diffusion layer (GDL) assembly for a polymer-electrolyte-membrane fuel cell includes a flat metallic bipolar plate and a porous metal GDL adjacent to and in direct contact with the flat metallic bipolar plate. The porous metal GDL includes flow channels defined by flow channel walls with flow channel surfaces. The flow channel walls and flow channel surfaces have an average porosity generally equal to an average porosity of an interior of the porous metal GDL.

The invention discloses an integrated battery module integrated with a thermal management device, which belongs to the field of thermal management of lithium ion batteries and comprises a shell, an outer wall, an inner wall, a micro-channel, an inlet, an outlet, an accommodating bin, a bare roll core upper cover plate and a tab lead-out port. According to the invention, the heat dissipation shell is used as a battery core packaging shell, and as only one layer of water-cooled jacket (micro-channel) thin wall is arranged between the cooling liquid and the bare roll core for producing heat, the heat resistance is extremely small, and the heat dissipation path is shortest, the fastest heat dissipation rate and the optimal temperature uniformity can be realized, the heat management performance is improved, and the battery is particularly suitable for ultrahigh-rate charge and discharge scenes; a battery cell independent shell and a part of module structural members are omitted, high function integration is realized, the weight is reduced from the source of the system, and the potential of light weight is larger; the integrated heat dissipation shell serves as a main force bearing structure, and the compression resistance and impact resistance of the integrated heat dissipation shell are far better than those of a traditional liquid cooling plate only serving as an additional part in combination with the enhancement effect of metal foam. Redundant parts are reduced, and the mass energy density and the volume energy density of the battery pack are improved.

The invention discloses a protection device for electrical installation, and relates to the technical field of electrical equipment installation auxiliary devices, the protection device comprises a protection shell, heat continuously generated by a cable joint is absorbed through a heat conduction seat, graded heat dissipation action is triggered through the thermal driving characteristic of a shape memory alloy spring, when the temperature rises, a rotating plate turns over to form a directional air guide channel, and the heat dissipation effect is improved. Under the high-temperature extreme working condition, the self-adaptive structure further focuses the airflow, the metal foam and the phase-change material cooperatively cool the airflow, deep heat dissipation is achieved, heat is prevented from being accumulated in the protective shell and around the connector, the whole heat dissipation process does not need external energy, driving is completely depended on heat generated by the cable, and the service life of the cable is prolonged. And meanwhile, the rainproof and dustproof effects are guaranteed through the graded sealing design, the thermal aging speed of insulating glue, a heat-shrinkable sleeve and other insulating materials at the joint is effectively delayed, the insulating protection effect is enhanced, and the safety risk caused by high temperature is reduced.

Metal-foam mesh structures are used in a variety of applications where flexible mesh structures are utilized, such as steam chamber wicks and various diaphragms and energy electrodes. The new metal-foam mesh hybrid material has a three-dimensionally connected microporous structure and has improved mechanical properties, including good strength, ductility, flexibility, and other properties.

This application relates to the field of trace detection technology, and more specifically, to a method for detecting trace gaseous substances, a thermal desorption pre-concentrator, and its preparation method. The preparation method of the thermal desorption pre-concentrator includes: sequentially cleaning, acid-activating, drying, and cutting a metal foam sheet; immersing a metal foam substrate in an adhesive and then removing it; dispersing a particulate adsorbent phase on the surface of the metal foam substrate; guiding the particulate adsorbent phase into and adhering to the internal pore surface of the metal foam substrate through negative pressure filtration to obtain a metal foam substrate loaded with the particulate adsorbent phase; applying a DC voltage to the metal foam substrate loaded with the particulate adsorbent phase; placing the metal foam adsorbent in a housing with an airflow channel, and electrically connecting the metal foam adsorbent to a conductive electrode. This application is advantageous for achieving rapid and complete desorption of the target analyte, improving pre-concentration efficiency, and increasing detection response speed.

The invention relates to the technical field of trace detection, in particular to a trace gaseous substance detection method, a thermal desorption preconcentrator and a preparation method of the thermal desorption preconcentrator. The preparation method of the thermal desorption preconcentrator comprises the following steps: sequentially carrying out cleaning treatment, acid activation treatment, drying treatment and cutting treatment on a metal foam sheet; the method comprises the following steps: dipping a metal foam substrate in a binder, taking out the metal foam substrate, dispersing a granular adsorption phase on the surface of the metal foam substrate, and guiding the granular adsorption phase to enter and be attached to the internal pore surface of the metal foam substrate through negative pressure suction filtration, so as to obtain the metal foam substrate loaded with the granular adsorption phase; applying a direct current voltage to the metal foam substrate loaded with the granular adsorption phase; the metal foam adsorption body is arranged in the shell with the airflow channel, and the metal foam adsorption body is electrically connected with the conductive electrode. According to the invention, rapid and sufficient desorption of the target object is realized, and the pre-concentration efficiency and the detection response speed are improved.

A capacitor and supercapacitor design are based on metal-foam electrodes. An electrolytic capacitor has a metal foam dielectric (e.g., aluminum oxide, titanium oxide, iron oxide, or others). An electric double-layer supercapacitor has an electrode with metal foam (e.g., copper, nickel, titanium, iron, steel alloy, or aluminum) filled with activated carbon, or graphene, or metal foam with activated carbon foam, or any combination of these to enhance the electrical conductivity and thus the power and capacity of the cell. A pseudocapacitor device has an electrode with metal foam (e.g., iron, cobalt, nickel, copper, titanium, aluminum, magnesium, tin, manganese, and stainless steel, and their alloy foams) coated with an oxide-or hydroxide-based material containing highly active zones. The pseudocapacitor metal-foam electrode can also be filled with activated carbon in the form of a slurry to further enhance its capacity.

The invention relates to a safety heat exchanger 1 with a first flow channel 2 for a first medium and with a second flow channel 3 for a second medium, wherein the two flow channels 2, 3 are separated from each other by a double wall 7, wherein the double wall 7 has a first wall 8 and a second wall 9 which define a leakage space 11 between them, wherein an open-pore metal foam 12 is arranged in the leakage space 11, which is in contact with both walls 8, 9.

The present invention relates to a method for preparing catalyst powder for electrolysis of aqueous ammonia, comprising the steps of: (A) immersing a metal foam support as a working electrode in an electrolyte solution containing a precursor of an active metal; (B) forming active metal crystal particles on the metal foam support by applying cyclic voltage and current, to form a metal foam-catalyst composite; and (C) physically pulverizing the metal foam-catalyst composite to form metal foam-catalyst composite powder.

The application discloses a water-based foam extinguishing agent performance test integrated device and a test method, which comprises a foaming device, a glass foam pipe and a metal foam pipe arranged in the foaming device, an operation terminal and an air compression device connected with the foaming device; the upper part of the glass foam pipe is provided with an opening, the opening is connected with a foam tank through a pipeline, and a feeding pump and a valve F1 are further arranged between the foam tank and the opening; the upper part of the metal foam pipe is provided with a first opening and a second opening, the first opening is connected with the foam tank through a pipeline provided with a valve F3, and the foam in the foam tank flows into the glass foam pipe and the metal foam pipe through the valve F1 and the valve F3 respectively; and the second opening is connected with a foam gun through a pipeline. The application simplifies the test equipment, concentrates three foam performances (foaming, stable foaming and extinguishing performance) in one device, and can measure the foaming multiple, liquid separation time and extinguishing time and other parameters of the foam extinguishing agent in sequence through simple parameter setting and valve switching.

The invention discloses a battery pole piece and a preparation method thereof, and belongs to the technical field of batteries. Mixing and compacting metal powder and a pore-forming agent, and sintering at different temperatures in an inner layer and an outer layer to obtain a metal foam frame with different pores in the inner layer and the outer layer; performing hot-pressing compounding on the current collector base material and the metal foam frame, and controlling the porosity of one side of the metal foam frame close to the current collector to be high and the porosity of one side far away from the current collector to be low; and sequentially coating a composite conductive coating and an active material layer on one side, far away from the current collector, of the metal foam frame to obtain the battery pole piece with the optimized structure and process. According to the pole piece, collaborative optimization of volume expansion buffering, mechanical strength improvement and ion transmission efficiency enhancement is realized through gradient pore distribution design and a composite conductive coating process.

A display module and a display device which can improve a heat-dissipation performance and a shock absorption function while reducing a bezel area include a cushion plate with a metal foam that has both a heat-dissipation function and a cushion function, so that both of an effective heat-dissipation function and an effective cushion function can be realized only using the metal foam without addition of a separate heat-dissipation layer or cushion layer. Further, the metal foam of the cushion plate has very excellent heat-dissipation function and cushioning function at only a small thickness thereof, so that a total thickness of the cushion plate can be greatly reduced, and the bezel area can be reduced.

A power storage module (10) comprises: a plurality of power storage devices (20); and a housing (30) for accommodating the plurality of power storage devices (20). In a case of abnormality, the power storage devices (20) discharge an internal gas to one side in a first direction. Inside the housing (30), a protective member (40) is provided on the one side in the first direction of the power storage devices (20) located on the one side in the first direction, and a metal / foamed body (50) is provided on a surface, facing the power storage devices (20), in the first direction of the protective member (40).

The present application provides a method for manufacturing a metal foam. The present application can provide a method for manufacturing a metal foam, which is capable of forming a metal foam including uniformly formed pores and having excellent mechanical properties as well as the desired porosity, and a metal foam having the above characteristics. In addition, the present application can provide a method capable of forming a metal foam in which the above-mentioned physical properties are ensured, while being in the form of a thin film or sheet, within a fast process time, and such a metal foam.

In order to provide a heating device which has a compact design, low manufacturing costs and a fast heating time at a low surface temperature of a heating element of the heating device, a heating device (100) is proposed comprising a coolant line section (10) wherein an induction coil (11) and a metal foam heating element (12) are arranged within the coolant line section (10), wherein the induction coil (11) is arranged within the metal foam heating element (12).

The invention relates to a heating device (10), in particular for infrared cabins, saunas, steam baths or the like, and a method for carrying out an infusion with a heating device, in particular for infrared cabins, saunas, steam baths or the like, wherein the heating device has a heating device (11) for emitting heat energy and a storage device (12), wherein the storage device has at least one storage medium (13) for storing heat energy, wherein a liquid for carrying out an infusion can be supplied to the storage device in such a way that the liquid can be applied to the storage medium, wherein the storage medium is made of a metal foam, ceramic foam, sintered metal or a sintered ceramic.

According to a first example of the present disclosure, there is presented a semiconductor device comprising: a die constituting a top layer of the semiconductor device, preferably made of silicone; a lead frame constituting the underlying layer of the semiconductor device, having a high conductivity in the range between 6.3 * 107 Siemens and 1 * 106 Siemens, more preferably 1 * 107 Siemens (the conductivity is typically measured as Siemens / meter S / m, the conductivity of the Cu alloy lead frame is in the range between 5 * 107 S / m and 6 * 107 S / m), for example made of L / F C19210 material; a first layer formed of a metal foam, the first layer positioned between the lead frame and the die, having a thickness preferably in the range of 500 nm to 5000 nm, more preferably 2000 nm, and having a porosity in the range of 30% to 90%, preferably 60%; and a second layer positioned between the die and the lead frame, only partially in surface contact with the first layer.

The invention discloses a composite phase change energy storage and heat management system and an optimization method thereof. The system comprises a TPMS metal support structure module, a phase change energy storage module, a temperature field monitoring module, a field driving optimization control module, a heat flow regulation and control module and an energy recovery module. A temperature field driving design strategy is introduced, a non-linear mapping relation between a temperature field and porosity distribution is established by utilizing nTopology software, a multi-scale porosity gradient which continuously changes from low to high is formed, and dynamic balance between the heat-conducting property and the energy storage capacity is achieved. The system obtains the internal temperature distribution in real time through the sensing module, and calculates the optimal porosity distribution and heat flow path through a field-driven algorithm, thereby achieving the self-adaptive adjustment of the thermal performance. Compared with a traditional uniform-pore metal foam composite material, the heat conduction efficiency and the melting rate are remarkably improved, the phase change time is shortened by 20% or above, and the total energy storage capacity is improved by about 10%. The device can be widely applied to electronic device cooling, solar heat storage, heat management and intelligent energy systems.

The invention provides a preparation method of a foam metal composite hydrogen storage material, which comprises the following steps: mixing vanadium-containing alloy powder, a pore-forming agent and an organic binder, carrying out compression molding, and carrying out heat treatment to densify the alloy so as to obtain an inner-layer pressure-bearing framework; depositing a magnesium-titanium nano composite layer through a magnetron co-sputtering technology; growing a graphene layer through chemical vapor deposition; immersing the framework on which the graphene layer grows into a solution containing palladium salt, and generating and loading palladium nanoparticles on the surface of graphene in situ to form a surface catalyst layer, so as to obtain a metal foam framework; and immersing in a solution containing zircon salt and an organic ligand, and growing a metal organic framework on the surface in situ through solvothermal reaction to obtain the foam metal composite hydrogen storage material. The mechanical strength, the hydrogen storage capacity and the dynamic performance of the material are improved, the stability of the material in hydrogen absorption and desorption circulation is improved, and the defects of a traditional hydrogen storage material in the aspects of mechanical performance, hydrogen storage efficiency, circulation stability and the like are overcome.

A golf ball composition is disclosed herein that includes at least one layer formed from metal foam. The metal foam can provide lightweight, durable, and high strength design parameters for golf ball constructions in order to provide greater adaptability and customizability, among other advantages. In other aspects, the metal foam can be filled with a polymeric foam, or a liquid.

A vibrating feeder having a feeder plate comprising a layered structure of a solid material and a material comprising voids, such as a metal foam, a sintered metal or glass, a ceramic, a foam polymer, an aerogel or an arrangement of spacers. Also particularly described is a mitre plate.

The invention provides a sea urchin-shaped high-temperature-resistant functional composite material as well as a preparation method and application thereof. The high-temperature-resistant functional composite material has ultrahigh heat resistance and metal performance; the high-temperature-resistant composite material is a high-temperature-resistant composite material prepared from an organic polymer material and composite metal foam, or a high-temperature-resistant composite material prepared from an inorganic non-material and composite metal foam; the metal foam is a hollow metal ball or a hollow metal rod, and the size of the metal foam is micropore, mesopore or macropore; the metal foam is a metal foam of various metals or a composite metal foam (CMF). The preparation method is simple, low in cost, green and environment-friendly. The high-temperature-resistant composite material is used for aerospace, nuclear reactors, the automobile industry, the building industry, the communication industry, the shoemaking industry, the ship industry, the clothing industry, the electronic industry, batteries, the fitness industry, low-altitude economy, the humanoid machine industry, the military industry, the agricultural industry or the daily use industry and the like.

The invention relates to a method for producing a metal-foam body, comprising the steps of (a) providing a metal-foam body A, which consists of nickel, cobalt, copper, or alloys or combinations thereof, (b) applying an aluminum-containing material MP to metal-foam body A so as to obtain metal-foam body AX, (c) thermally treating of metal-foam body AX, with the exclusion of oxygen, to achieve the formation of an alloy between the metallic components of metal-foam body A and the aluminum-containing material MP so as to obtain metal-foam body B, wherein the duration of the thermal treatment is chosen in dependence on the temperature of the thermal treatment and the temperature of the thermal treatment is chosen in dependence on the thickness of the metal-foam body AX. The invention also relates to the metal-foam bodies obtainable by the methods according to the invention and to the use thereof as catalysts for chemical transformations.

An electrochemical cell stack includes first and second separators, an electrochemical cell disposed between the first and second separators, a first metal foam disposed between the first separator and the electrochemical cell, and a cell frame surrounding side surfaces of the first and second separators and the first metal foam.

This invention relates to the field of laser thermotherapy target technology, and particularly to a laser thermotherapy target with a thermally conductive material, the thermally conductive material, and a method for preparing the same. The thermally conductive material comprises W... A V B O2@SiO2, carbon nanotubes, a polymer matrix, and a metal foam, with an adjustable tungsten doping ratio, induces a reversible phase transition at a specific temperature. Preparation involves first synthesizing W through hydrothermal, annealing, modification, and coating processes. A V B O2@SiO2 powder is then used to enhance interfacial bonding by acidifying and amination of carbon nanotubes. Finally, it is composited with a polymer solution, filled into a metal foam framework, and cured. A laser thermotherapy target head constructed based on this material utilizes its thermally induced phase change for passive temperature limitation. Real-time monitoring of reflected light power via a dual-cavity fiber optic cable, combined with closed-loop control by a data processor, enables precise and safe active temperature control. This target head combines the advantages of passive safety, uniform thermal field, compact structure, and low cost, making it suitable for minimally invasive thermotherapy of diseases such as tumors.

A system includes a sealed enclosure comprising: an outer layer comprising a metallic foam; a radiation shielding layer; one or more heat transfer elements comprising one or more active heat transfer element disposed on one or more inner faces of the sealed enclosure, and configured or configurable to extract heat from the interior of the sealed enclosure; one or more electronic related components inside the sealed enclosure.

A golf ball composition is disclosed herein that includes at least one layer formed from metal foam. The metal foam can provide lightweight, durable, and high strength design parameters for golf ball constructions in order to provide greater adaptability and customizability, among other advantages. In other aspects, the metal foam can be filled with a polymeric foam, or a liquid.

The present disclosure relates generally to packing materials for high gravity devices and, more particularly, to reticulated, non-metal foam packing materials for use in rotating packed bed apparatus.

This invention provides an electrically internally heated Pt / CeO2 / Foam monolithic catalyst, its preparation method, and a method for dehydrogenating methylcyclohexane. The catalyst preparation method includes: mixing a CeO2 dispersion with a Pt precursor solution, followed by static aging, drying, and calcination to obtain a Pt-CeO2 composite; mixing the Pt-CeO2 composite with a solvent to obtain a slurry, coating it onto a metal foam, and then vacuum drying and reduction pretreatment to obtain the electrically internally heated Pt / CeO2 / Foam monolithic catalyst. The electrically internally heated Pt / CeO2 / Foam monolithic catalyst provided by this invention has a highly dispersed active component Pt, and the CeO2 surface has abundant and tunable oxygen defect structures. Pt and CeO2 exhibit strong interactions, and the geometric and electronic structures of Pt are tunable. Furthermore, as a monolithic catalyst, it possesses excellent electrical and thermal conductivity, as well as good mass and heat transfer performance.

A golf ball composition is disclosed herein that includes at least one layer formed from metal foam. The metal foam can provide lightweight, durable, and high strength design parameters for golf ball constructions in order to provide greater adaptability and customizability, among other advantages.