596 results about "Isolation membrane" patented technology

The application relates to a stack-layered magnesium-air batteries, which is characterized in that a plurality of assembly units is connected in series or in parallel to form the stack layer structure, electrolyte is injected before using, the assembly unit comprises an isolation air feed plate, an air electrode, an isolation membrane, an anode; a plurality of units are repeatedly stacking ordered, winded integrally by a fastener, and assembled into a outer shell; liquid injection pores are disposed on the outer shell, an electrolyte storage slot is disposed on the bottom of the shell, wherein the liquid injection pore is also used as an air inlet pore; the anode is made form magnesium alloy; the electrolyte storage slot is pre-filled with water absorption material; the isolation membrane is made from water absorbing paper dried after water absorbing resin dipping; structure of the isolation air feed plate a hollow plate or a comb-shaped plate with sieve pores, which not only is used as the insulation between batteries, but also functions as a channel for delivering air from external space to the air electrode. The electrolyte needed for the batteries are inputted from the liquid injection pore, stored in the electrolyte storage slot, and distributed to each assembly unit by capillary action of the isolation membrane.

The invention discloses a polyolefin composite modified asphalt wet-laid waterproof roll and a production method thereof. The polyolefin composite modified asphalt wet-laid waterproof roll comprises a modified asphalt binding layer, a binding isolation membrane protecting layer and a polyolefin thermoplastic elastomer material layer which can achieve a chemical crosslinking reaction and a physical mortise-and-tenon collaborative binding action in cooperation with concrete; and the interlayer structure is as follows: the first layer is the polyolefin thermoplastic elastomer material layer, the middle layer is the modified asphalt binding layer, and the lower layer is the isolation membrane protecting layer, and the layers are subjected to thermocompression binding in the production process. The waterproof performance of the waterproof roll is excellent; and the waterproof roll is wriggled and seeped into capillary bores in cement gel and concrete in cement and concrete setting processes by using modified asphalt with reactivity, and has a chemical crosslinking reaction at a contact interface, so that a basal plane reaction layer which is large in binding force, irreversible in binding, concurrently pliable and hard in binding, lasting in binding is formed, thereby achieving a closely and firmly combined and irreversible binding effect as closely linked as flesh and blood.

The invention discloses a self-adhesive waterproof asphalt coil material. The coil material comprises a mineral aggregate layer, a first high-heat-resistant elastomer modified asphalt size layer, a polyester base layer, a second high-heat-resistant elastomer modified asphalt size layer, a self-adhesive high-heat-resistant asphalt size layer and an isolation membrane layer, which are arranged sequentially from top to bottom. According to the coil material, the remarkable high-temperature resistance of the product is realized by using the mineral aggregate layer, the two high-heat-resistant elastomer modified asphalt size layers and the polyester base layer; the bottom layer is coated with the self-adhesive high-heat-resistant asphalt size layer, so that the construction is convenient, and meanwhile, the high-temperature resistance of the product is further improved.

An air-conditioning condensate drainage system for mounting to the roof membrane of the roof structure of buildings or for constructing directly onto the roof membrane of a building structure. The air-conditioning condensate drainage system has an isolation membrane having a bottom surface for assembly to a roof membrane. A pair of ridge structures are disposed in fixed relation with the isolation membrane and are disposed in spaced relation with one another and cooperate with the isolation membrane to define an air-conditioning condensate drainage channel between the spaced ridge structures. Each of the ridge structures has one or more ridge defining elements which is fixed to the isolation membrane and projects above the isolation membrane sufficiently to define a condensate drain channel therebetween. One or more upper membranes may be disposed in covering relation with the ridge defining elements and are conformed to suitable configuration by the ridge forming structures to define spaced condensate containment ridges. The upper membranes are also fixed to the upper surface of the isolation membrane to form an integral condensate drainage unit to conduct a/c drainage from a/c units to an in-roof mounted drain.

The invention discloses a preparation method of meta-aramid nano-nets fiber membranes, which comprises the steps that meta-aramid is dissolved in halons and then mixed with organic solvent, thereby obtaining meta-aramid electrospinning material from the prepared ionic liquid solvent system; and the meta-aramid electrospinning material is put into an electrospinning device for electrospinning, thereby obtaining the meta-aramid nano-nets fiber membrane. The preparation method has the advantages that the process of the preparation method is simple, and the prepared meta-aramid nano-nets fiber membrane has smaller fiber diameter, larger specific surface area, smaller bore diameter and higher porosity than the fibers of the common electrospinning fiber membrane, has outstanding high temperature resistance and fire retardancy and good dimensional stability of meta-aramid, and can be widely used in the fields of high temperature filtration, protection, battery isolation membranes, sensing, biomedicine, etc.

The invention provides a vacuum assistant resin casted protection coating, system and method of a permanent magnet motor rotor. The provided protection coating comprises an enhancing phase, demoulding cloth, and a flow guide net, wherein the enhancing phase, the demoulding cloth and the flow guide net are paved on the surfaces of the magnetic poles of a rotor in sequence. The end part of a resin injection pipeline and the end part of an air suction pipe are fixed on the exterior of the flow guide net. The rotor is hermetically connected to a vacuum isolation membrane, and the vacuum isolation membrane covers the enhancing phase, the demoulding cloth, the flow guide net, the end part of the resin injection pipeline, and the end part of the air suction pipe. Vacuum assistant resin casting and moulding equipment is applied to the magnetic pole protection of permanent magnet motor rotor so as to form a resin coating on the magnetic pole surfaces of a permanent magnet motor rotor; moreover the thickness of the resin coating is easily controlled, and mould sleeve tools are not required. The provided system and method can achieve a good casting effect, and thus the mechanical performance and anticorrosion grade of rotor magnetic poles can be enhanced.

The invention discloses a polyolefin battery isolation membrane after lfonation modifying, wherein the weight ratios of raw material of the invention are: 60 to 90 percent of polyethylene or polypropylene fiber, graft monument acrylic acid, meth-acrylic acid, 2 to 10 percent of propylene peptide amine or meth-acrylic peptide amine, 5 to 15 percent of enhanced fiber, 1 to 10 percent of sulfonation agent. The polyolefin after lfonation modifying has good hydrophilicity, strong preserving liquid ability, high alkali uptake rate, good chemical stability and strong anti-oxidation property after washing, and can improve electrical property of nickel battery significantly.

A semiconductor device comprises: a semiconductor substrate including an active region defined as a device isolation film; a bit line contact hole obtained by etching the semiconductor substrate; a bit line contact plug having a smaller width than that of the bit line contact hole; and a bit line connected to the upper portion of the bit line contact plug, thereby preventing a short of the bit line contact plug and the storage node contact plug to improve characteristics of the semiconductor device.

Semiconductor devices including STI liners are provided. The semiconductor devices may include a STI trench that defines an active region in a substrate, a STI liner that extends conformally along side walls and a bottom surface of the STI trench, a device isolation film that is on the STI liner and fills up at least a part of the STI trench, a first gate structure that is disposed on the active region, and a second gate structure that is spaced apart from the first gate structure. The second gate structure may include a gate insulating film contacting the device isolation film, a gate electrode on the gate insulating film, and spacers on both sides of the gate electrode. Lower surfaces of the spacers may contact an upper surface of the STI liner.

An air-conditioning condensate drainage system for mounting to the roof membrane of the roof structure of buildings or for construction thereof directly onto the roof membrane of a building structure. The air-conditioning condensate drainage system is defined by one or more strips of material having an isolation membrane having a bottom surface for assembly to a roof membrane. A pair of spaced ridge elements project upwardly from the isolation membrane and cooperate with the isolation membrane to define an air-conditioning condensate drainage channel. In the alternative, ridge strips may be disposed in spaced relation and fixed directly to a roof membrane to define condensate drain channels along the roof membrane to in-roof drains. The condensate drain strip or ridge strips maybe molded or extruded and maybe formed directly on and adhered to or fixed to the roof membrane to define the condensate drain channels.

The invention provides a lithium battery isolation membrane and a method for manufacturing same. The lithium battery isolation membrane comprises a porous support substrate made of fibers, and porous polyolefin resin filled into gaps of the substrate. The invention also provides the method for manufacturing the lithium battery isolation membrane, which comprises the following steps: mixing polyolefin with a pore-forming agent to form the polyolefin mixed resin; coating the polyolefin mixed resin on the porous support substrate; pressing the polyolefin mixed resin and the support substrate to fill the polyolefin mixed resin into the gaps of the support substrate; and removing the pore-forming agent to form the porous isolation membrane.

The invention belongs to the field of lithium-sulfur batteries and particularly relates to a lithium-sulfur battery and a preparation method thereof. The lithium-sulfur battery comprises a cathode, an anode, an isolation film, an electrolyte and an outer packing, wherein the cathode and the anode adopt lithium-deficient electrode materials; by using a carbon material, an alloy type material and other anode active substances, many problems of a lithium metal anode are solved, and through a lithium-rich technology, lithium-rich treatment is performed on the electrode, so that the problem that the sulfur cathode cannot provide a lithium source is solved; and a film-forming additive is introduced into the electrolyte, so that the anode active substance, such as the carbon material, the alloy type material and other particles can form a high-quality solid electrolyte film (SEI film) on the surface, and the lithium-sulfur battery with excellent performance is finally prepared.

The invention provides a preparation method of a lamination battery cell. The preparation method of the lamination battery cell comprises the following steps: a lamination pile comprising n lamination groups is arranged, wherein each lamination group comprises m pole piece elements, n is more than or equal to 2, and m is more than or equal to 2, and gaskets are arranged between the adjacent lamination groups; the pole piece elements of all the lamination groups of the lamination pile and the gaskets between the adjacent lamination groups are sequentially positioned in a Z-shaped isolation membrane along the piling direction; each gasket separates the upper and lower parts of the adjacent isolation membranes; forming a lamination battery cell is formed, namely, the isolation membranes are disconnected at one end of each gasket, positioned in the isolation membranes, so that each gasket and each lamination group can be separated, and further, the lamination battery cell formed by the pole piece elements in each lamination group and corresponding isolation membrane can be obtained, wherein each lamination battery cell comprises an anode pole piece and a cathode pole piece, or a monomer battery cell, or a monomer battery cell, or the combination of the monomer battery cell and the anode pole piece and/or cathode pole piece, so that the efficiency of the lamination battery cell is improved greatly.

The invention discloses a method for continuously producing jelly of ultra-high molecular weight polyethylene porous membrane, which is characterized in that the method uses the following steps to complete manufacture continuously: (1) mixing ultra-high molecular weight polyethylene, solvent, and additive into homogeneous material; (2) preparing obtained homogeneous material into jelly membrane; (3) stretching the obtained jelly membrane along two directions to prepare jelly thin membrane; (4) dragging the obtained jelly thin membrane to an extraction tank, removing the solvent by extracting agent, and preparing porous thin membrane; (5) drying; and (6) dragging membrane along two directions to carry out heat shaping, preparing the porous membrane, and finally winding the membrane into a roll. The method for continuously producing jelly of ultra-high molecular weight polyethylene porous jelly membrane can produce continuously and can be controlled easily, the prepared porous membranes features high strength, strong corrosion resistance, low density, low temperature resistance, high alcohol resistance, strong anti-swelling capacity, thereby being widely applied to proton exchange membrane fuel cells, capacitor isolation membrane, various separation membranes and water treatment membrane and other fields.

The combination of a container of a first volume and a fluid containment and dispensing apparatus includes a flexible bag having an inner wall, an outer wall and a collar. The collar comprises a plurality of components, including a collar body, a flange that is attached to the bag, and a top plate having a first aperture therein configured to for connection to a first fluid carrying conduit, the fluid carrying conduit providing for egress of fluid from the bag. The container comprises walls the walls having inner and outer surfaces, and the collar body extends from a wall of the container. The container provides at least one second aperture providing for ingress and egress of fluid to and from a space situated between the outer surface of the bag and the inner surface of the container and the apparatus further comprises fastening means to fasten the collar components together.

The invention discloses a rapid heating battery, which mainly comprises a battery shell, a battery core (comprising a positive plate, a negative plate, an isolation membrane, an electrolyte and the like), a metal foil body heating plate, a working terminal and a heating terminal, wherein the battery core is an electrochemical working system; the battery core completes conversion between electric energy and chemical energy in charging and discharging processes; the working terminal is a channel through which the electric energy and the chemical energy can pass in and out of the battery core; the metal foil body heating plate, the heating terminal and the battery shell are auxiliary components of the battery; the metal foil body heating plate is mainly used for heating the battery core; the heating terminal is a current channel of the metal foil body heating plate; and the battery shell is mainly used for packaging the battery core and the metal foil body heating plate. When the temperature of the battery core is relatively low, an external power supply provides the metal foil body heating plate with the electric energy through the heating terminal and the metal foil body heating plate converts the electric energy into heat energy for heating the battery core. The rapid heating battery has the advantages that the battery core and the metal foil body heating plate are packaged in the battery and the heating efficiency is high; and the working terminal of the battery core and the heating terminal of the metal foil body heating plate are mutually independent and input and output can be independently controlled.

The invention provides a composite isolation membrane and a formation method thereof, and the method comprises the following steps: transforming a SO2F group or a H-type sulfonic group in perfluorosulfonate resin into a SO3Li group to obtain a perfluorosulfonate ion exchange resin with a SO3Li functional group; dissolving the obtained perfluorosulfonate ion exchange resin in a solvent to obtain a resin solution; performing surface treatment of a polyolefin micropore diaphragm to obtain a treated micropore diaphragm; soaking the polyolefin micropore diaphragm after surface treatment in the resin solution, taking the diaphragm out and drying to obtain a composite isolation membrane. According to the invention, by combining the perfluorosulfonate ion exchange resin which has a Li ion exchange function after ion transformation with the polyolefin micropore diaphragm after surface treatment, the polyolefin micropore diaphragm is modified; because of the high thermal stability, hydrophilicity, and ion exchange capability of the perfluorosulfonate ion exchange resin, the liquid absorption capacity, heat resistance and ion penetration capability of the isolation membrane are increased.

The invention provides a preparation method of an electric core. The method comprises the following steps: cutting a first gap of a linear array at the edge of and / or in a first current collector along the longitudinal direction, coating a first paste containing a first active material, drying, and conducting cold pressing to obtain a first pole piece; cutting a second gap of the linear array along the vertical direction of a second current collector, wherein the a second gap is on a position on the second current collector and corresponding to the first current collector, and corresponds to and matches with the gap of the first current collector, coating a second paste containing active material, drying, and conducting cold pressing to prepare a second pole piece; arranging a first pole ear and a second polar ear; arranging an isolation membrane to form a laminated body; reeling the laminated body into an electrical core, so that corresponding first gap of the first pole piece and the second gap of the second pole piece form a cut loss portion, and the corresponding first gap of the first pole piece and the second gap of the second pole piece have aligned corresponding edges. The preparation method of the electric core is simple and low in cost and ensures the performance of the electric core.

The invention relates to a preparation method of a polymer separation membrane with antibacterial and anti-biological pollution properties for widely applying into water treatment, and belongs to the field of water treatment science and technique. A modifying method comprises the following steps of soaking the polymer separation membrane into a polyphenol compound solution, and forming a layer of polyphenol compound on the surface thereof; soaking the separation membrane into a silicon source solution, and growing a nanometer silicon dioxide carrier on the surface of the polymerizing isolation membrane in situ through the silicification action; crosslinking and coupling the nanometer silicon dioxide carrier on the surface of the membrane and a quaternary ammonium salt solution, so as to obtain the polymer separation membrane with antibacterial and anti-biological pollution properties. The modified polymer separation membrane has the advantages that the antibacterial ability and anti-pollution ability are obviously improved, the obvious inhibiting function on the propagation of bacteria and microorganisms is realized, and the service life of the membrane is prolonged; the chemical method is used for modifying, the reaction is uniform, the technology is simple, the operation is easy, the high-cost instrument is not needed, and the popularizing is easy; the modifying layer of the prepared quaternary ammonium salt modified polymer separation membrane is firm, the antibacterial ability and anti-pollution ability are good, and the potential wide application value is realized in the field of water treatment.

The present invention discloses hyperelastic silica gel vibrating diaphragm materials. The hyperelastic silica gel vibrating diaphragm materials are made of silicone rubber and other auxiliary materials for mixing, upper and lower isolation membranes form a sandwich structure, a sandwich layer formed through hot press molding is the silica gel vibrating diaphragm materials through the hot press molding. The hyperelastic silica gel vibrating diaphragm materials are used for vibrating diaphragms of a loudspeaker and a receiver, are low in elasticity modulus and good in damping effect, and the made loudspeaker product is lower in the resonant frequency F0 compared to a loudspeaker made of other traditional materials, is better in the low-frequency distortion rate, and is lower than 10%.