111results about How to "Improve conduction ability" patented technology

The invention provides a sulfide electrolyte and a preparation method thereof, a solid-state battery and electronic equipment, the median particle size D50 and the specific surface area of the sulfide electrolyte are 10-5000 nm and 1-15 m < 2 > / g respectively, and the particle size distribution of the sulfide electrolyte meets the condition that (D90-D10) / D50 is greater than or equal to 0.9 and less than or equal to 2. The sulfide electrolyte provided by the invention is relatively small in particle size, relatively narrow in particle size distribution and relatively small in specific surface area, and the electrochemical performance of a solid-state battery can be effectively improved.

The invention belongs to the technical field of battery materials, and discloses modified asphalt-based hard carbon as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing asphalt and a nitrogen-containing compound, carrying out a first heating reaction in a protective gas atmosphere, cooling, and carrying out a second heating reaction to obtain doped asphalt, carrying out oxidation treatment on the doped asphalt to obtain an oxidized material; and carrying out pre-carbonization and carbonization treatment on the oxidized material in a protective gas atmosphere to obtain the modified asphalt-based hard carbon. The doping of the gradient heating nitrogen element is beneficial to the construction of a three-dimensional conductive network and a flexible skeleton, and the conductivity and the structural stability of the modified asphalt-based hard carbon are enhanced, so that the electrochemical performance of the modified asphalt-based hard carbon is improved.

The invention provides a perovskite-crystalline silicon laminated cell, which comprises a heterogeneous crystalline silicon cell, a tunnel junction, a conductive layer, a first carrier transport layer, a perovskite light absorption layer, a second carrier transport layer and a transparent electrode layer which are sequentially laminated, wherein the first carrier transport layer comprises a dendritic structure facing and extending into the perovskite light absorption layer, and the length of the dendritic structure is smaller than the thickness of the perovskite light absorption layer. According to the perovskite-crystalline silicon laminated cell provided by the invention, through the arrangement of the dendritic structure with a relatively good capillary effect in the first carrier transport layer, a high-quality perovskite absorption layer can be formed, so that the energy conversion efficiency of the perovskite-crystalline silicon laminated solar cell is greatly improved.

The invention relates to the technical field of railway line flaw detection, in particular to railway line automatic comprehensive flaw detection equipment which comprises two steel rails and a flaw detection car and further comprises a C-shaped mounting plate, a buffer assembly, a waist detection mechanism and a bottom detection mechanism. A first fixing rod is transversely arranged in the C-shaped mounting plate, fixing sleeves are slidably connected to the two ends of the first fixing rod correspondingly, and balance assemblies are arranged at the ends, away from each other, of the two fixing sleeves correspondingly. The device has the advantages that different detection assemblies are arranged for different detection areas, so that steel rail detection of different parts is more efficient and accurate, it is ensured that different types of defects can be detected, the detection period is shortened, the balance assembly and the buffer assembly cooperate with each other to enable the head detection assembly to keep a dynamic balance state, and the detection efficiency is improved. The probe is effectively protected from vibration damage, and the adaptability of the probe to the change of the steel rail and the detection stability of the probe are improved.

The invention provides a proton exchange membrane, a preparation method thereof and a fuel cell, and relates to the technical field of fuel cells. The proton exchange membrane comprises a base material with a porous structure, pores of the base material contain active components, and the active components comprise a heteropolyacid modified MOF material and sulfonated polyfluorene biphenyl indole; the weight ratio of the heteropoly acid to the MOF material is 1: (1-3). The proton exchange membrane provided by the invention has the characteristics of excellent mechanical durability, high proton conductivity and ultra-thinness, and can improve the mechanical strength, ductility and chemical stability of the membrane while reducing the expansion of the membrane.

The invention discloses a multi-storage-location aging test device, and relates to the technical field of new energy battery pack testing. The multi-storage-location aging test device comprises a base, the top of the base is fixedly connected with a test mechanism, and the outer wall of the base is fixedly connected with a U-shaped bin. According to the multi-storage-location aging test device, the flowing assembly is matched with the moving assembly, a heater generates heat, a fan blows airflow to perform all-dimensional uniform temperature rise on a battery pack in the test bin through an airflow hole, an electric sliding block drives the heater and the fan to change the airflow direction through the arc-shaped design of a sliding rail, and multi-angle temperature rise is achieved; the device can place a plurality of battery packs into the test bin to be tested, the test efficiency is improved, meanwhile, the electromagnetic mechanism is used for heating the side face of the test bin, the heater is combined with heat conduction of the bottom of the test bin, comprehensive heating of the battery packs is achieved, and the reliability of the test result is ensured.

The utility model provides an air-cooled closed case suitable for a 6U module. The air-cooled closed case suitable for the 6U module comprises a closed case body used for containing the 6U module and a fan module used for dissipating heat of the case body. A pair of oppositely-arranged ground box walls of the case is configured to be of a heat dissipation plate structure; the heat dissipation plate structure comprises a heat conduction mounting plate, and a plurality of heat dissipation fins are arranged on the side, facing the exterior of the closed cavity, of the heat conduction mounting plate and are arranged at equal intervals in the length direction of the heat conduction mounting plate; a plurality of heat conduction bosses are arranged on the side, facing the interior of the closed cavity, of the heat conduction mounting plate and are arranged at equal intervals in the length direction of the heat conduction mounting plate. Every two adjacent heat conduction bosses form a guide groove; the 6U module is fixedly connected in the guide groove through the module heat conduction plate and the auxiliary heat conduction plate. The air-cooled closed case is more reasonable in air duct design, optimized in heat dissipation path, improved in heat transfer efficiency and enhanced in heat dissipation capability, and provides good working environment conditions for functional modules.

The invention relates to the technical field of batteries, in particular to a battery. The battery comprises a positive plate, a negative plate, electrolyte and a diaphragm located between the positive plate and the negative plate, the diaphragm comprises a base material and a ceramic layer located on the surface of one side or two sides of the base material, the ceramic layer comprises inorganic particles, the ceramic layer is of a porous structure, the porous structure comprises holes with the diameter larger than or equal to 0.5 micrometer, and the inorganic particles are distributed in the range of 100 micrometers * 100 micrometers randomly selected on the surface of the ceramic layer. The number of the holes with the diameter larger than or equal to 0.5 micrometer is 10-800, and the coverage rate A1 of the holes with the diameter larger than or equal to 0.5 micrometer in the surface of the ceramic layer is 10%-50%; the electrolyte comprises an organic solvent, and the organic solvent comprises at least two of dimethyl carbonate, ethyl methyl carbonate, propylene carbonate, ethylene carbonate, diethyl carbonate, propyl propionate, ethyl propionate and ethyl acetate. The battery disclosed by the invention can have relatively high quick-charge cycle performance and rate capability under the condition that the safety performance is not influenced.

The invention belongs to the technical field of electrochemistry, and discloses a pi-d conjugated covalent organic framework material, and a preparation method thereof comprises the following steps: adding 2, 5-hydroxyterephthalic acid, 2, 3, 5, 6-tetra (amino) p-benzoquinone and nickel acetate tetrahydrate into a container, then adding N-methyl pyrrolidone, carrying out ultrasonic treatment for 0.5 h, transferring into a hydrothermal reaction kettle, carrying out a sealed reaction for 2-5 days, and carrying out vacuum drying to obtain the pi-d conjugated covalent organic framework material. And after the reaction is finished, naturally cooling to room temperature, filtering, collecting, washing and performing vacuum drying on the obtained precipitate to obtain the pi-d conjugated covalent organic framework material. The covalent organic framework material disclosed by the invention is rich in N / O chemical adsorption sites and Ni < 2 + > catalytic sites, so that shuttling of polysulfide can be effectively inhibited; on the other hand, catalytic conversion of polysulfide is promoted, the reaction kinetics of the lithium-sulfur battery is further accelerated, and compared with a traditional covalent organic framework, the conductivity is greatly improved, and the electron transmission capacity is improved.

The invention relates to the technical field of polyethylene film preparation, in particular to an antistatic polyethylene composite film and a preparation method thereof.The polyethylene composite film is sequentially provided with a heat sealing layer, a blocking layer and a surface layer from inside to outside, and the surface layer and the heat sealing layer are prepared from, by weight, 55-65 parts of low-density polyethylene, 5-10 parts of polyethylene, 5-10 parts of polyethylene, 5-10 parts of polyethylene and 5-10 parts of polyethylene. 9-12 parts of ultra-high molecular weight polyethylene, 1-3 parts of a compatilizer, 6-10 parts of an antistatic agent and 8-15 parts of a flame retardant; and the barrier layer is made of ethylene-vinyl alcohol copolymer resin. The antistatic polyethylene composite film provided by the invention realizes excellent and lasting antistatic performance, the antistatic agent uniformly distributed in the film ensures rapid conduction and dispersion of electrostatic charges, and the problem of non-uniform antistatic performance is effectively solved; meanwhile, by introducing benzotriazole groups and silver nanoparticles, a stable antistatic network structure is formed, and the durability of the antistatic effect is greatly improved.

The invention discloses a method for synthesizing a biomass-based carbon material by coupling activation through a molten salt method, which comprises the following steps: (1) crushing a biomass raw material into powder, and pre-carbonizing at high temperature in an inert atmosphere to obtain biochar; (2) mixing biochar, chlorate molten salt and an activating agent, and calcining at high temperature in an inert atmosphere to obtain a carbon material; and (3) washing the obtained carbon material with water, carrying out suction filtration after water washing, then carrying out acid washing, carrying out suction filtration after acid washing, then carrying out water washing until eluate is neutral, and then drying to obtain the biomass-based carbon material. The invention also discloses an application of the carbon material prepared by the method in preparation of a supercapacitor. The biomass-based capacitor carbon material prepared by the invention has a graded porous structure, micropores are beneficial to improving the surface adsorption capacity of ions, mesopores can provide more active sites and enhance the ionic conductivity, and macropores can provide a rapid substance transmission channel and reduce the mass transfer resistance; through an electrochemical performance test, when the material is used as a supercapacitor electrode material, the material has excellent capacity and cycling stability.

The diamond wire pre-plating structure comprises a pre-plating tank and a conductive tank, wherein the pre-plating tank and the conductive tank are used for allowing a diamond wire to pass through and are arranged at intervals; an anode material placed in the pre-plating tank is electrolyzed through current to form a pre-plating layer on the surface of the diamond wire; a power supply anode is connected in the pre-plating tank, and a power supply cathode is connected in the conductive tank to form a plurality of parallel pre-plating loops. The multiple pre-plating loops are arranged, so that the surface of the diamond wire is uniformly pre-plated, and meanwhile, the plating thickness is increased.

The invention provides a preparation method of a UiO-66-NH2-HSO3 / chitosan composite material, which comprises the following steps: simultaneously loading acid-base groups-NH2 / -HSO3 on a Zr-based metal-organic framework material by using a hydrothermal method to prepare a UiO-66-NH2-HSO3 framework material; and compounding the framework material with chitosan to obtain the UiO-66-NH2-HSO3 / chitosan composite material. The UiO-66-NH2-HSO3 / chitosan composite material disclosed by the invention can be used for a proton exchange membrane fuel cell, chitosan and UiO-66-NH2-HSO3 are compounded, so that the membrane material has relatively good water stability and mechanical tensile property, the chitosan has a long-chain structure,-NH2 is spread over the surface of the chitosan, a hydrogen bond network with higher density and more complex is formed in the whole membrane, and the performance of the membrane is improved. The acid-base pair effect is promoted, so that higher proton conduction performance is realized. Compared with other proton conductive materials, the UiO-66 series MOF disclosed by the invention is relatively mature, and the chitosan is relatively low in cost, so that the UiO-66 series MOF has a relatively good industrial utilization value.

This invention discloses an insulating encapsulation structure and connection method for a probe temperature sensor, relating to the field of temperature sensor technology. The insulating connection bracket has an outer insulating and thermally conductive protective layer, and contains insulating adhesive and a temperature-sensing component. The specific implementation is as follows: an insulating layer assembly, a built-in snap-fit ​​structure within the insulating connection bracket, and an eccentric cavity for housing the temperature-sensing component. A thermistor glass body is used as the insulator. In the insulation process, direct contact between the glass body and the inner wall of the bracket reduces one useless insulating layer. The cavity formed by the end of the insulating connection bracket and the insulating layer assembly houses the temperature-sensing component. The cavity contains a clearance structure for the thermistor pins and multiple layers of insulation between the pins and the conductive copper wires. A fluid insulating adhesive is used, and then the insulating connection is cured. Finally, the encapsulation is placed inside a metal shell containing insulating adhesive and cured, thus forming multiple layers of effective insulation and sufficient safe insulation thickness between the thermistor conductive pins and the metal shell.

This invention provides a composite electrode for the comprehensive recovery of valuable metals, its preparation method, and its application. The composite electrode comprises a positive electrode active layer and a modified matrix layer. The modified matrix layer includes a tubular solid electrolyte body and a modified material layer disposed on the surface of the tubular solid electrolyte body; the modified material layer comprises a conductive polymer. The electrochemical lithium extraction combined with chemical reduction leaching of nickel, cobalt, and manganese using this composite electrode not only achieves high-efficiency recovery of valuable metals such as lithium, nickel, cobalt, and manganese, but also significantly reduces wastewater treatment costs and environmental risks.

The present invention discloses a steel pipe gap detection device, which relates to the technical field of detection equipment. It includes a detection component, which includes a rotating ring, a scraper block and a detection module. The scraper block and the detection module are arranged in the inner cavity of the rotating ring. The scraper block can clean the outer surface of the steel pipe weld, and the detection module can perform ultrasonic detection on the steel pipe weld. The device has a small structure and light weight. It can be easily transported to the welding site and detect the welding pipeline without the help of tools, eliminating the link of transporting the welding pipeline, greatly facilitating the weld detection of the welding pipeline. The scraper block can clean the weld of the welding pipeline and remove the welding slag on the surface of the weld to prevent the welding slag from affecting the detection effect. The conduction component of the detection module can effectively conduct ultrasonic signals. The coupling water in the sealing tube further enhances the conduction effect of the conduction component, thereby improving the detection effect of the ultrasonic probe.

The invention belongs to the field of medical equipment, and particularly relates to a coupling agent smearing head for a color ultrasound instrument and a support thereof.The coupling agent smearing head comprises a probe body, the front end of the probe body is fixedly connected with a fixing shell, an extrusion mechanism is arranged in the fixing shell and comprises a mounting groove, and the mounting groove is formed in the fixing shell; the bottom end of the inner wall of the mounting groove is fixedly connected with a plurality of sets of connecting springs, the top ends of the connecting springs are fixedly connected with a fixing plate, the fixing plate is fixedly connected to an extrusion plate, the extrusion plate abuts against the bottom end of a hose, the hose is filled with a coupling agent, and the top end of the hose abuts against an abutting pipe. Through the structural design of the extrusion mechanism, the coupling agent can be smeared on a corresponding examination area along with the continuous movement of the probe main body, so that the coupling agent can be accurately smeared on the skin of an examinee, the waste of the coupling agent is reduced, and meanwhile, the discomfort of the examinee caused by the coupling agent can be relieved.

This invention belongs to the field of lithium battery material technology, specifically relating to a metal oxide / mesoporous manganese dioxide / conductive polymer composite material, its preparation method, and its application. The preparation method includes the following steps: 1) ball milling a commercial metal oxide; 2) mixing the metal oxide powder with an organic polymer monomer and a methyl orange solution and ultrasonically dispersing the mixture to obtain a liquid mixture; 3) adding a potassium permanganate solution to the liquid mixture and performing a high-pressure hydrothermal reaction under stirring to obtain the composite material; 4) subjecting the composite material to alkali treatment, filtering, washing with water, and drying to obtain the metal oxide / mesoporous manganese dioxide / conductive polymer composite material. This metal oxide / mesoporous manganese dioxide / conductive polymer composite material can be used to prepare lithium battery cathode materials with high specific capacity, high conductivity, and high stability in a simple, efficient, and low-cost manner. It is easy to industrialize and solves the problems of low conductivity and poor rate discharge performance of traditional metal oxide cathode materials.

This invention provides a CAN converter with a heat dissipation structure, including a CAN converter body and a heat dissipation shell on the outside of the CAN converter body. A heat dissipation cavity is formed between the heat dissipation shell and the CAN converter body. Support legs are installed at the four corners of the bottom side of the heat dissipation shell. The heat dissipation shell includes an inner thermally conductive layer and an outer heat dissipation fin layer. This invention is reasonably designed. By setting up a heat dissipation shell, the thermally conductive layer quickly conducts heat, the heat dissipation fin layer increases the heat dissipation area, and a cooling fan forms forced convection cooling. The combination of multiple heat dissipation methods significantly improves the heat dissipation efficiency of the CAN converter body, enabling it to quickly and effectively dissipate the heat generated by the CAN converter body and reduce the operating temperature of the device. The addition of a thermally conductive silicone pad reduces the thermal resistance between the CAN converter body and the heat dissipation shell, further improving the heat conduction effect and ensuring that heat is transferred to the heat dissipation shell for dissipation in a timely manner.

The invention relates to the technical field of batteries, and provides a positive electrode material and a preparation method thereof, a positive electrode plate and a secondary battery, the positive electrode material comprises an inner core and a coating layer coating at least part of the surface of the inner core; the inner core comprises a material with a chemical formula of LiCoxQ1-xO2-yZy, the element Q comprises at least one of Mg, Al, Ti, La, Y, Zr, Ni, Mn, Ce, Sc, W, Nb and V, the element Z comprises at least one of S, F and Cl, x is greater than or equal to 0.9 and less than or equal to 1, and y is greater than or equal to 0 and less than or equal to 0.1; and the material of the coating layer comprises organic acid metal salt. The positive electrode material has the characteristics of good conductivity, good structural stability and the like.

The utility model discloses a recoverable medicine-carrying stent with a keel, which comprises a self-expanding stent, the self-expanding stent can be actively or passively expanded and compressed along the radial direction of the self-expanding stent, medicine is coated on the self-expanding stent, the self-expanding stent comprises a bare stent and the keel, the keel is in the shape of a rod and is connected onto the bare stent, and the keel is connected onto the bare stent. The length direction of the keel is parallel to the length direction of the bare support. The bare stent is of a porous structure, has enough radial force, is reliably attached to the blood vessel and meanwhile has good conveying performance, the radial force is enhanced through the regular circulation design of the net-shaped structure, and the deformation resistance of the near end can be enhanced through the keel design.

The invention discloses a preparation method of a proton exchange membrane fuel cell membrane electrode and a membrane electrode, and the preparation method comprises the following steps: spraying a mixed solution of a platinum carbon catalyst and a PTFE emulsion on the surface of a transfer printing substrate, and drying to obtain the transfer printing substrate loaded with a catalyst layer precursor on the surface; calcining the transfer substrate loaded with the catalyst layer precursor on the surface to obtain a transfer substrate loaded with a catalyst layer on the surface; and spraying the ionomer solution to the surface of the catalyst layer on the transfer substrate, pasting a proton exchange membrane on the surface of the catalyst layer, and stripping the transfer substrate after hot pressing to obtain the proton exchange membrane fuel cell membrane electrode. The catalyst layer on the membrane electrode has higher mechanical strength, can prevent the carbon carrier from falling off and being corroded in the operation process, has a stronger carbon corrosion resistance effect after high-temperature treatment, is excellent in continuous operation stability and durability, and has a good application prospect in the field of proton exchange membrane fuel cells.

The invention discloses a polyimide covalent organic framework material based on truxene ketone, a preparation method and application, and belongs to the technical field of preparation of covalent organic framework materials, the covalent organic framework material is prepared by taking 2, 7, 12-triamino-5H-diindole [1, 2-A: 1 ', 2'-C] fluorene-5, 10, 15-triketone as an amino ligand, taking pyromellitic dianhydride or 2, 3, 6, 7-tetramethyl-4-piperidine as an amino ligand, taking 2, 7, 12-triamino-5H-diindole [1, 2-A: 1 ', 2'-C] fluorene-5, 10, 15-triketone as an amino ligand, taking 2, 7, 12-triamino-5H-diindole [1, 1, 7-naphthalenetetracarboxylic dianhydride is used as an aldehyde group connecting unit and is formed through acylation reaction condensation; according to the preparation method, a TRO ligand is introduced, high-activity sites with 18 carbonyl groups are formed in each pore channel of each layer, a shorter path is provided for rapid diffusion of Li < + >, and rapid reaction kinetics is achieved. And conjugate units are added and expanded in a COF framework through chain engineering, so that the electronic structure and the aperture are effectively adjusted, and the electron conductivity and the diffusion rate of Li < + > are improved. Due to the increase of the number of benzene rings, active sites are continuously activated under large current, and even under the current of 20A g <-1 >, the material still has the state that the active sites are continuously activated, so that high reversible specific capacity, high energy density and high power density under the large current are realized.

The application provides a battery, a battery pack and a power utilization device, the battery comprising a negative electrode sheet, the negative electrode sheet comprising a negative electrode current collector and a negative electrode active material layer arranged on at least one side of the negative electrode current collector; the negative electrode active material layer comprising a negative electrode active material; the negative electrode active material comprising a negative electrode active substance and a coating layer existing on the surface of the negative electrode active substance, the coating layer comprising amorphous carbon; and a SEI film existing on the surface of at least part of the negative electrode active material of the negative electrode active material layer, the SEI film containing fluorine elements and oxygen elements, and the atomic ratio of the oxygen elements to the fluorine elements in the SEI film being (1.5-7.5):1. The application can improve the fast charging performance, high-temperature storage and high-temperature cycle performance of the battery.

The utility model discloses a mattress which comprises a refrigerating assembly, and the refrigerating assembly comprises a refrigerating device, a heating device and a heating device, the radiating part comprises a plurality of radiating fins which are arranged in sequence; the number of the heat conduction parts is one or more, through holes corresponding to the heat conduction parts are formed in the cooling fins respectively, all the through holes corresponding to the same heat conduction part are coaxially formed, one end of each heat conduction part is fixed to the hot end of the refrigeration device, and the other end of each heat conduction part penetrates through the corresponding through hole and is fixed to the corresponding cooling fin. According to the refrigeration assembly, the heat conduction part is arranged to conduct heat generated by the refrigeration device to the heat dissipation part, heat dissipation is conducted through the heat dissipation part, on one hand, the heat dissipation device can be arranged away from the refrigeration device, the situation that the dissipated heat influences refrigeration of the refrigeration device is avoided, and the refrigeration effect is guaranteed. On the other hand, the heat conduction part is arranged to conduct heat, the heat conduction area is increased, the conduction effect is improved, and the heat dissipation effect is improved.

The invention belongs to the field of battery materials, and particularly relates to a preparation method of a clay / polyether artificial composite solid electrolyte, which is obtained by polymerizing a precursor solution containing a polyether monomer, a cross-linking agent, an initiator, an electrolyte salt and modified clay, the modified clay is clay which is firstly intercalated by metal M ions and then grafted and modified by a formula 1 # imgabs0 #; the metal M comprises at least one of Li, Na and K; r1 is alkyl of C1 to C6; r2 is a substituted alkyl group with a substituent group; the substituent group comprises at least one of an amino group, an epoxy group, a sulfydryl group, an acryloyloxy group, a vinyl group and an isocyanate group. The invention also discloses the clay / polyether artificial composite solid electrolyte prepared by the preparation method and application thereof. According to the invention, ionic conduction can be improved, and the problem of clay segregation can be improved, so that the electrochemical performance of the composite solid electrolyte can be remarkably improved.

The utility model provides a wear-resistant anti-slip rubber roller which comprises a motor and a driven shaft, the right side of the motor is provided with a group of supporting plates used for supporting the motor, the supporting plates are internally provided with transmission shafts used for transmitting power of the motor, and the right side of each transmission shaft is provided with a first transmission gear used for providing power for a transmission belt. And a transmission belt for providing power for the transmission gear II is arranged on the outer side of the transmission gear I. Compared with the prior art, the transmission device has the following beneficial effects that the driving shaft is used for driving the driving roller to rotate and transmitting a polarizer base film, and the driven gear I is used for transmitting the driven gear II; and the transmission effect is improved in the transmission process of the polaroid base film by using the driving roller and the anti-skid roller, and the anti-skid effect of transmission with the polaroid base film is improved by using the anti-skid rubber protrusions.

The present invention comprises: an over-lithiated layered oxide represented by the following Chemical Formula 1; and an ion-conductive coating layer on the surface of the over-lithiated layered oxide represented by Chemical Formula 1: rLi2MnO3. (1-r) LiaNixCoyMnzM11-(x + y + z) O2 (in Chemical Formula 1, 0 lt; r is less than or equal to 0.6, 0lt; a < = 1, 0 < = x < = 1, 0 < = y < lt; 1, 0 < = zlt; 1, 0lt; x + y + z < = 1, and M1 is one or more elements selected from the group consisting of Na, K, Mg, Al, Fe, Cr, Y, Sn, Ti, B, P, Zr, Ru, Nb, W, Ba, Sr, La, Ga, Mg, Gd, Sm, Ca, Ce, Fe, Al, Ta, Mo, Sc, V, Zn, Cu, In, S, B, Ge, Si, and Bi.

The utility model relates to the field of electrically-fused brick pouring molds, in particular to an electrically-fused brick pouring mold, which adopts the technical scheme that the electrically-fused brick pouring mold comprises a lower closing mold and an upper closing mold, a lower mold groove is formed in the top surface of the lower closing mold, an upper mold groove is formed in the bottom surface of the upper closing mold, a metal inner net is embedded in the lower closing mold, a material injection groove is formed in the lower closing mold, and the metal inner net is embedded in the material injection groove. And one end of the material injection groove extends to the top surface of the lower closing mold, and the other end of the material injection groove penetrates through the lower closing mold and extends to the top surface of the inner wall of the upper mold groove. The mold has the beneficial effects that a plurality of mold closing inner cavities are communicated through the inclined material injection groove, so that the effect of simultaneously injecting raw materials into the plurality of mold inner cavities through one material injection groove is achieved; the production efficiency of the electrically-fused bricks is greatly improved, the metal grids embedded in the mold are knocked, external vibration is conducted into the mold, the effects of improving the vibration conduction capacity of the mold and eliminating air holes generated in raw materials through vibration are achieved, and the quality of the finished electrically-fused bricks is greatly improved.

The invention relates to a chlorine-resistant electrode with a four-dimensional frame structure for hydrogen evolution of a high-current proton exchange membrane (PEM) tank. The chlorine-resistant electrode is mainly characterized by high brine electrolysis capacity. According to the electrode, a polyarylether high polymer material with a side chain containing a benzimidazole group is adopted as a base membrane, and a platinum ion injected cathode catalyst and a carbon nanotube enhanced gas diffusion layer are combined. According to the anode, an in-situ growth technology is adopted, a flexible three-dimensional organic metal framework composed of a rhenium-praseodymium metal core and a hydrogen bond ligand is constructed, and a dynamic four-dimensional structure is formed under the action of an electric field. Through derivation treatment, graphene surface modification and electrochemical stabilization treatment, the chlorine corrosion resistance and stability of the electrode are remarkably improved. The electrode is novel in structure, can stably and efficiently separate oxygen and assist in hydrogen separation under high current density, has excellent electrochemical performance and long-term operation stability, and is suitable for the new energy field of PEM water electrolyzers and the like.