15results about How to "Rapid infiltration" patented technology

This invention discloses a special consumable for a double-layer cat litter box and its preparation and usage method, relating to the field of pet cleaning products technology. The invention's upper layer of cat litter and lower layer of absorbent and deodorizing granules, through synergistic design of formula and process, form a complete pet excrement treatment system. The upper layer of cat litter is responsible for trapping and encapsulating feces and draining urine, while the lower layer of absorbent and deodorizing granules is responsible for absorbing and treating odors generated by urine and feces. The combined use of these two layers achieves a highly efficient usage mode with automatic urine seepage, direct feces removal, no need for stirring the upper layer, and regular replacement of the lower layer. This significantly simplifies daily maintenance procedures, reduces the labor intensity of pet ownership, and significantly improves the user experience for family pet cat owners.

The utility model discloses a Mylar film structure for aluminum shell battery, aluminum shell battery and electronic product belong to battery technical field, including Mylar film body, Mylar film body includes first cladding piece, second cladding piece and the connecting cladding piece of first cladding piece and second cladding piece are connected respectively, recesses is formed in first cladding piece and is used to store the first liquid storage groove of electrolyte, recesses is formed in second cladding piece and is used to store the second liquid storage groove of electrolyte, first liquid storage groove and second liquid storage groove all are located on the side surface of battery roll core. The utility model reaches the technical effect of improving diffusion efficiency, and promotes the long -term cycle performance of battery.

The application discloses a soft package sodium ion battery electrolyte infiltration method and relates to the technical field of lithium batteries, and has the beneficial effect that compared with the high-temperature standing / conventional standing of the traditional scheme, the application adopts the operation process of alternately rolling the battery soft package TD and MD directions under a certain pressure, makes the electrolyte quickly infiltrate the surface of the battery cell in the up-down and left-right directions in a large area, and then vibrates at a certain frequency and amplitude, so that the electrolyte fully penetrates into the core body corner position, the traditional electrolyte infiltration difficult area can be quickly infiltrated, the standing time is significantly reduced, and the infiltration effect is improved.

The scheme discloses the technical field of lithium ion capacitor preparation, and relates to a lithium ion capacitor high-temperature pressure formation process, which comprises the following steps: (1) performing first charging on the battery after liquid injection and standing, charging the electric core to 40% SOC for the first time, the pressure of the first charging is 3000-4000N, the current is 0.02C-0.1C, and the temperature is 30-40 DEG C; (2) performing second charging on the electric core after the first charging and charging to 60% SOC, the pressure of the second charging is 1500-2500N, the current is 0.1C-0.2C, and the temperature is 30-40 DEG C; (3) performing third charging on the electric core after the second charging and charging to 80% SOC, the pressure of the third charging is 500-1000N, the current is 0.2C-0.4C, and the temperature is 40-50 DEG C. The process can significantly improve the cycle life and rate performance of the lithium ion capacitor.

The application discloses an asymmetric hybrid mesoporous material and a preparation method and application thereof, and belongs to the technical field of mesoporous materials; the preparation method comprises the following steps: taking a template agent, a pore expanding agent and an organic silicon source as the basis, combining SiO2 nanospheres and an organic silane capping agent to prepare superstructure silicon spheres; then, the superstructure silicon spheres are dispersed in an alcohol-water mixed solvent, dopamine hydrochloride is added, and in-situ polymerization is carried out under the action of ammonia water to obtain an asymmetric mesoporous material. The material has a high specific surface area and a rich hierarchical pore structure, and the mesoporous superstructure silicon sphere constructed by the SiO2 nanospheres is one end, and the polydopamine layer is the other end. The application has the advantages of simple process and mild conditions, and the material morphology and size can be controlled by adjusting reaction parameters. When the material is applied to a water-based zinc ion battery negative electrode, the specific capacity, cycle stability and rate performance of the battery can be significantly improved, the zinc dendrite growth and side reactions can be effectively inhibited, and the material has important energy storage application value.

The application provides an electrolyte infiltration method. The electrolyte infiltration method comprises the following steps: S1, cooling a roasted battery cell; S2, placing the cooled lithium ion battery cell in a vacuum environment, and then introducing carbon dioxide gas; S3, introducing the battery cell into a liquid injection process, performing vacuum extraction treatment, and then performing liquid injection treatment; S4, pressure treatment; S5, vacuum extraction treatment; S6, repeating steps S4-S5 at least once; S7, introducing a protective gas to atmospheric pressure, adding a carbon dioxide additive to the battery cell after liquid injection, and obtaining an electrolyte-infiltrated battery cell. The electrolyte infiltration method provided by the application ensures that the electrolyte is fully infiltrated into the small pores inside the lithium ion battery, the infiltration time is short, high-temperature storage is not required, the production efficiency of the lithium ion battery is improved, and the electrochemical performance of the lithium ion battery is improved.

The utility model discloses a new dam apron in the technical field of water conservancy, including dam body, the water flow below of dam body is provided with apron main slope body, the both sides of apron main slope body are provided with the side waterfalls of a plurality of layers of layerwise under superimposed, the middle part of apron main slope body is provided with the intermediate waterfalls of a plurality of layers of layerwise downward superimposed, is provided with the buffer slope between intermediate waterfalls and below main river course, the left and right sides of apron main slope body all are provided with landscape footpath, the fishway is repaired between apron main slope body and one side bank, and the fishway communicates the water flow of dam body upstream and apron main slope body downstream. The utility model discloses form transverse turbulence through side dragon scale shape waterfalls, and the impact force of dispersion side wing water flow is protected bank base, and the central wave shape waterfalls longitudinal ladder type broken main stream, and cooperate end buffer slope energy dissipation. Special fishway connects dam body upstream and downstream, and guarantees fish migration channel, and restores aquatic ecological chain.

This invention discloses a PVDF nanofiber membrane with an in-situ grown strong acid cation exchange layer, its preparation method, and its applications. The preparation method includes: electrospinning to prepare the PVDF nanofiber membrane; after surface activation, in-situ polymerization of a polymer containing sulfonic acid groups (such as polystyrene sulfonic acid) onto the fiber surface. This invention fixes the ion exchange layer to the fiber surface through chemical bonding, ensuring complete exposure of all sulfonic acid groups and eliminating the risk of detachment. The lipophilic segments in the grafted polymer chains significantly improve the wettability of the membrane to organic solvents (such as PGMEA and cyclohexanone), promoting rapid diffusion of metal ions to the exchange sites. When used in semiconductor photoresists or electronic-grade organic solvents, this membrane can deeply remove trace metal ions such as sodium, iron, copper, aluminum, and zinc to below 1 ppb, exhibiting advantages such as fast adsorption rate, high removal rate, and good cycle stability. It has broad application prospects in the field of ultrapure semiconductor wet electronic chemicals.

This invention provides a thick electrode, its preparation method, and its applications. The thick electrode includes a current collector and at least two electrode layers located on the surface of the current collector. An electrospun layer is disposed between the electrode layers. The active material in the electrode layer closer to the current collector surface is a large-particle-size active material, while the active material in the electrode layer farther from the current collector surface is a small-particle-size active material. This invention improves the electrode loading and thickness by designing at least two electrode layers and optimizing the particle size distribution of the main active material in each layer, thereby increasing the specific capacity and energy density of the battery. Simultaneously, the electrospun layer connects the electrode layers, creating a porosity gradient distribution along the direction perpendicular to the electrode, constructing efficient ion diffusion and conduction channels and electron transport channels. This results in good ion diffusion and conduction, reduces polarization during charging and discharging, and ensures high energy density and power performance of the battery.

The invention relates to a composite current collector, a preparation method thereof and a battery, the composite current collector comprises a net-shaped substrate and a metal layer, and the metal layer covers one surface of the net-shaped substrate along the thickness direction and the inner walls of meshes of the net-shaped substrate; the net-shaped matrix is composed of nanofibers, and the nanofibers comprise a polymer, a polyoxometallate solid electrolyte and a conductive agent; the net-shaped base body comprises a main body part and an edge part, the edge part is located on at least one side of the main body part in the width direction of the net-shaped base body, and meshes of the edge part are filled with metal materials. Therefore, the mass energy density and the safety performance of the battery can be improved.

A liquid storage component and atomizing device for an atomizing apparatus are disclosed, relating to the field of aerosol technology. The liquid storage component includes: a liquid storage body, one end of which has a liquid outlet, and the other end of which has an opening; a cover, assembled on the liquid storage body and covering the opening; the cover and the liquid storage body enclose a liquid storage cavity for storing an atomizing matrix, the liquid storage cavity being in liquid communication with the liquid outlet, and the cover and the liquid storage body being relatively movable to reduce the volume of the liquid storage cavity, allowing the atomizing matrix in the liquid storage cavity to be pushed out of the liquid storage component through the liquid outlet. During use, the relative movement of the cover and the liquid storage body reduces the volume of the liquid storage cavity, allowing the atomizing matrix to be pushed out from the liquid outlet to wet the liquid storage component. This enables rapid wetting of the liquid storage component when it is first installed in the atomizing device, reducing the user's waiting time.

The invention discloses a high-wettability gradient aperture composite diaphragm and a preparation process thereof. The diaphragm comprises a polyolefin base membrane layer and a synthetic fiber web layer prepared by a spunlace process, the overall thickness of the diaphragm is 8-12 [mu] m, the aperture of one side facing the positive electrode is 30-50 nm, and the aperture of one side facing the negative electrode is 50-100 nm; and the synthetic fiber web layer contains a tannic acid modifier. The tannic acid modified synthetic fiber web layer in the composite diaphragm can provide better wettability for the composite diaphragm, and polar functional groups on the surface of the tannic acid modified synthetic fiber web layer can homogenize lithium ion flow, guide uniform deposition of lithium and inhibit generation of lithium dendrites. The polyolefin layer mainly provides mechanical strength, and forms a gradient aperture structure with the spunlace modified polyethylene layer, so that the uniformity of current density is improved, the uniform deposition of lithium is effectively induced, and the growth of lithium dendrites is reduced.

The utility model relates to a coffee barrel, especially to a continuous brewing type large -scale coffee barrel. The diffusion sheet support structure in the prior art large -scale coffee barrel is prone to displacement or deformation, causes the uneven water flow distribution of coffee powder layer surface, the uneven coffee powder layer consumption causes the same batch coffee beverage to appear the taste fault of early rich, later light. A continuous brewing type large -scale coffee barrel, including coffee barrel etc. The bucket body is opened to the upward and brews the groove, the liquid outlet pipe is located one side in the lower part of bucket body and with the bucket body penetrates, the storage tray bottom is opened a plurality of leak hole, the storage tray is located the bucket body brews the groove top and with the bucket body inside connection, the water inlet assembly vertical is located the bucket body brews the groove center and with the bucket body bottom connection. The autorotation of rotary shower head drives the rotation of shunt sleeve, so that the water flow is uniformly dispersed to the storage tray and improves the uniformity of water and coffee powder infiltration.

This invention discloses a carbon fiber warp-knitted fabric for rail transit, belonging to the field of carbon fiber composite material technology. It solves the problems of interlayer misalignment and wrinkles, low resin impregnation efficiency, weak interfacial bonding, and redundant processes in existing carbon fiber fabrics. The preparation method of the carbon fiber warp-knitted fabric involves sequentially laying at least four layers of carbon fiber yarn from bottom to top, introducing a functional layer during the laying process; using warp knitting yarn at a stitch density of 4-14 yarns / inch, the carbon fiber yarn and functional layer are stitched together, with the stitch tension of the warp knitting yarn being 1.5-2.5 times the rated stitch tension. The described carbon fiber warp-knitted fabric for rail transit can significantly improve resin impregnation efficiency and shorten the molding cycle while ensuring high tensile strength and interlayer shear strength; it can also incorporate functional layers in situ, taking into account properties such as flame retardancy, corrosion resistance, or electromagnetic shielding, meeting the requirements of lightweight, high reliability, and multi-functional integration for rail transit vehicle structures.

The utility model relates to the technical field of composite current collectors, and discloses composite current collector fusing characteristic test equipment, which comprises a box body, a fixed table is fixedly connected in the box body, a fixed seat is fixedly connected at the top of the fixed table, a movable block is slidably connected in the fixed seat, and one end of the movable block is fixedly connected with a movable seat. The positive and negative screw rod is driven by the motor to rotate, the positive and negative screw rod drives the moving block and the moving seat to move, the clamping block is adjusted, the clamping block is matched with the composite current collector to be tested, then the composite current collector is placed on the clamping surface of the clamping block, the two sides of the composite current collector are located at conductive blocks on the clamping block, and then the air cylinder extends out of the push block; when the device is used, the push block drives the push rod to slide in the sliding groove in the connecting block, the connecting block drives the sliding block to slide on the moving seat, and meanwhile, the connecting block drives the clamping block to clamp the composite current collector, so that the device can adapt to the composite current collectors with different sizes, and the practicability of the device is improved.