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198results about How to "Play a conductive role" patented technology

Composite current collector, and lithium ion secondary battery applying current collector

The invention discloses a current collector, and an application of the current collector in a lithium ion battery, and concretely relates to a composite current collector, and a lithium ion secondary battery applying the current collector. The composite current collector comprises an upper metal layer, a lower metal layer and a nonmetal layer arranged between the upper metal layer and the lower metal layer, vacuum electroplating, electrolytic electroplating or composite bonding compounding is carried out between the upper metal layer and the nonmetal layer and between the nonmetal layer and the lower metal layer, and the thickness of the nonmetal layer is controlled to be 2-20 [mu]m; and the thickness of each of the upper metal layer and the lower metal layer is controlled to be 1-10 [mu]m. The above structure reduces the weight of the current collector and guarantees that the composite current collector have excellent tensile strength and excellent flexibility; the outer layer of the current collector is the metal layer, and has a conductive effect; and the above reasonable structure design substantially improves the mass energy density of the produced lithium ion secondary battery and effectively prolongs the cycle life of the battery.
Owner:JIANGSU DAOYING TECH CO LTD

Hanging tool for wafer electroplating

The invention discloses a hanging tool for wafer electroplating. The hanging tool comprises an upper cover, a lower plate and a metal conductive ring, wherein an inner thread is arranged on the inner wall of the upper cover, a wafer groove is formed in the lower plate, an electroplating hole is formed in the middle of the wafer groove, and an outer thread engaged with the inner thread is arranged on the outer wall of the wafer groove; a platform is arranged between the inner wall of the wafer groove and the electroplating hole; the metal conductive ring is arranged on the platform. The upper cover of the hanging tool for the wafer electroplating is locked in a rotary mode, and the need of manually disassembling screws is eliminated, so that the hanging tool is convenient to operate, uniform in force, good in electrical conductivity and sealing performance and uniform in water coating, thereby greatly saving the manpower and reducing the wafer scrapping risk.
Owner:江苏矽智半导体科技有限公司

Making method of proton exchange film fuel cell electric piling

ActiveCN101079494AIncrease contact areaDoes not affect chemical and physical propertiesFuel cells groupingFinal product manufactureConductive polymerEngineering
The invention discloses a making method of proton exchange film fuel battery pile in the fuel battery technical domain, which comprises the following steps: (1) pressing plane MEA into wave shape under heating condition; (2) adopting micro-fine pushing technique to punch the hyperthin plane metal plate; punching the plate with hole into wave shape to mate wave-shaped MEA; obtaining monopole board; (3) adopting laser welding technique to weld a couple of monopole board into double-pole board; (4) plating a layer of conductive polyaniline on the metal surface through circulating volt-ampere method. The invention improves the reacting efficiency and energy density, which lightens the weight and resists corrosion.
Owner:上海氢晨新能源科技有限公司

LCD

The present invention relates to a liquid crystal display which comprises a first base and a second base, which are arranged oppositely; a liquid crystal layer is arranged between the first base and the second base; a first alignment layer is arranged on the surface of the first base which is close to the liquid crystal layer and the surface of the first alignment layer which is close to the liquid crystal layer has a plurality of paralleled first grooves; a second alignment layer is arranged on the surface of the second base which is close to the liquid crystal layer and the surface of the second alignment layer which is close to the liquid crystal layer has a plurality of paralleled second grooves; and the orientation of the first grooves of the first alignment layer is perpendicular tothat of the second grooves of the second alignment layer. Wherein, at least one alignment layer inside the liquid crystal display comprises a carbon nano tube layer which consists of at least one carbon nano tube film comprising a plurality of carbon nano tubes of end to end connection and directional arrangement.
Owner:TSINGHUA UNIV +1

An electrochemical corrosion test device that realizes multiple in-situ monitoring

InactiveCN102288536ACorrosivity researchResearch FeaturesWeather/light/corrosion resistanceSpectroscopyOptical observation
The invention belongs to the field of material electrochemical corrosion test monitoring, more precisely, relates to a kind of electrochemical corrosion test device for realizing multiple in-situ monitoring, and solves the in-situ in-situ monitoring of material surface corrosion morphology existing in the prior art. information, and is not suitable for issues such as long-term online monitoring. The device is mainly composed of three parts: electrochemical test device, acoustic emission test device, and optical observation system. The working electrode is connected to the waveguide rod, and forms a three-electrode system with the counter electrode and reference electrode. Electrochemical (polarization curve, impedance spectrum, etc.) tests can be performed through the electrochemical workstation; the acoustic emission probe is fixed on the waveguide rod and can be collected synchronously. The acoustic emission signal during the corrosion process of the working electrode; the long focal length microscope can observe the corrosion morphology of the surface of the working electrode in situ. The device can realize various in-situ monitoring such as electrochemistry, acoustic emission, and long-focus microscope at the same time, and realize electrochemical corrosion monitoring of materials at room temperature.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Water-based adhesive used in silicon anode of lithium ion battery and preparation method of silicon anode

The invention discloses a water-based adhesive used in a silicon anode of a lithium ion battery and a preparation method of the silicon anode. The adhesive is one or more than one mixture of carbonylation Beta-cyclodextrin, poly 3 and 4-ethylene dioxy thiophene, polystyrene sulfonate and gum arabic. The invention further relates to the preparation method of the silicon anode. The preparation method comprises the following steps: firstly uniformly dispersing a silicon material, the adhesive and conductive carbon in water; and then coating the mixture on a copper collector to obtain a final product of the silicon anode of the lithium ion battery after drying. According to the adhesive, Beta-cyclodextrin is adopted, so that the solubility of the adhesive in water can be improved after the carbonylation treatment of the Beta-cyclodextrin; at the room temperature and under the condition of 0.05 C, the silicon anode starts to charge and discharge, the first time discharge specific capacity can reach up to 4440.2 mAh / g, the charging specific capacity can reach up to 3238.7 mAh / g, the charge and discharge efficiency is 72.9 percent, the charge and discharge specific capacity in one hour is 1770 mAh / g, and the cycle performance is very stable. The water-based adhesive and the silicon anode provided by the invention have the advantages of low costs, environmental friendliness, obvious effects, good conductivity, good recycling and good application prospects.
Owner:SHANGHAI JIAO TONG UNIV

Multi-component composite anode material and preparation method thereof

The invention relates to a multi-component composite anode material and a preparation method thereof. The multi-component composite anode material is characterized by comprising the following components in mass fraction: 15 to 30% of nano silicon powder, 5 to 9% of carbon nano tube, 19 to 40% of expanded graphite, and 37 to 55% of amorphous carbon. The multi-component composite anode material is prepared by carbonizing polyving akohol or polyethylene glycol at high temperature. The nano silicon powder serving as a core active material is used for storing energy; the carbon nano tube is used for conducting electricity; the expanded graphite is dual-functional, including effects of serving as a massive and rigid buffer space and a conductive additive during charging and discharging through silica powder; the amorphous carbon is prepared by carbonizing polyving akohol or polyethylene glycol at high temperature and can be used as a flexible buffer space. The composite material is outstanding in electrochemical properties.
Owner:CHINA FIRST AUTOMOBILE

Conductive module, preparation method thereof, substrate and display device

The embodiment of the invention provides a conductive module, a preparation method thereof, a substrate and a display device, relating to the technical field of display. When the conductive module is applied to a metal wiring equivalent-electrode structure in the display device, a black matrix cannot be needed to additionally arranged, and the problems of increase on process flows due to the arrangement of the black matrix, difficulty in alignment, effective reduction on display area and the like are avoided. The conductive module comprises a metal layer, a light absorption layer and an antireflection layer, wherein the light absorption layer and the antireflection layer are sequentially arranged on at least one side surface of the metal layer, the refractive index of the light absorption layer is greater than that of the antireflection layer, and the antireflection layer is far away from a first surface of the light absorption layer and close to a light incident direction. The preparation method is used for preparation of the conductive module, the substrate containing the conductive module and the display device containing the conductive module.
Owner:BOE TECH GRP CO LTD

Method for preparing benzaldehyde through phenylcarbinol oxidation

The invention provides a method for preparing benzaldehyde through phenylcarbinol oxidation. According to the method, ionic liquid serves as a supporting electrolyte, acetonitrile serves as a cosolvent, a high-pressure reactor provided with electrodes is used for performing electrochemical electrolysis in a supercritical CO2 environment with a reaction temperature of 25-70 DEG C (system pressure is 10-25MPa), and the phenylcarbinol is converted to the benzaldehyde through selective oxidation. According to the method, features of the supercritical CO2 such as small viscosity, zero surface tension and friendly environment are utilized, advantages of the ionic liquid such as stable physicochemical properties and high electrical conductivity are combined, a constant potential electrolysis technology is adopted to control the efficient selective oxidation of the phenylcarbinol to the benzaldehyde effectively, and the yield and the selectivity of the benzaldehyde can reach above 99.8% under an optimum condition.
Owner:BEIJING UNIV OF CHEM TECH

A method for recovering waste lithium ion batteries

A method for recovering waste lithium ion batteries comprises the following steps: 1) discharging the waste lithium ion batteries and burying the waste lithium ion batteries in solid conductive powder; 2) pulverizing the waste lithium ion batteries, and then calcinating the pulverized waste lithium ion batteries at temperature of 400 DEG C- 600 DEG C without oxygen; 3) performing separation; 4) collecting powder sieved by a vibrating screen for standby use; 5) adding the powder of step 4) to excess NaOH; 6) adding the filter residue obtained in the step 5) into a mixed solution of sulfuric acid and H2O2, and filtering to obtain a solution; 7) adding excess sodium carbonate into the solution of the step 6), and washing and drying the precipitate obtained. The recovery method of the waste lithium ion batteries has high recovery efficiency; when discharging the waste lithium ion batteries, the method adopts the form of buried micro-discharge to be safe, high-efficient and pollution-free.
Owner:GUANGDONG JIANA ENERGY TECH CO LTD +1

Preparation method of single crystal film bulk acoustic wave resonator and bulk acoustic wave resonator

The invention relates to the technical field of preparation of acoustic resonators, in particular to a preparation method of a single crystal film bulk acoustic resonator and the bulk acoustic resonator. The invention aims to solve problems that by using a preparation method of a single crystal film cavity type bulk acoustic wave resonator, through the design that a lower electrode which covers the lower surface of the whole single crystal thin film layer and has conductive and isolation effects is prepared on the lower surface of the single crystal thin film layer, in a binding process, bubbles generated by the bonding layer cause cracks to be generated on the single crystal film layer, so that the single crystal film layer is warped or sunken or even broken, and the overall performance of the cavity type bulk acoustic wave resonator is influenced.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Polishing solution for electrochemical polishing of nickel-titanium alloy and application

The invention provides a polishing solution for electrochemical polishing of a nickel-titanium alloy, and belongs to the field of nickel-titanium alloy surface treatment. The polishing solution is composed of the following matter of, by volume, 22%-43% of concentrated sulfuric acid, 37%-50% of ethylene glycol, 5%-10% of an additive agent and the balance water. The invention further discloses a method for electrochemical polishing of the nickel-titanium alloy, the nickel-titanium alloy is treated as the anode, a stainless steel plate is treated as the cathode, the anode and the cathode are placed into the electrical polishing solution, and electrochemical polishing is conducted. The electrochemical polishing solution and the polishing method can be used for polishing a medical nickel-titanium alloy, the nickel-titanium alloy which is subjected to polishing treatment is good in corrosion resistance. The formula of the nickel-titanium alloy electrochemical polishing solution is not proneto volatilizing, stable and environmentally friendly, low in cost and good in operating environment.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Conductive binding agent and lithium ion battery

The invention provides a conductive binding agent and a lithium ion battery. The conductive binding agent comprise, by weight, 0.5-5% of a conventional binding agent, 0.5-5% of a conductive conjugated polymer, 0.001-2% of a dopant and 89-98% of an organic solvent. According to the invention, the conductive binding agent for lithium ion batteries is prepared with a mature conductive polymer system. The conductive binding agent has adhesiveness and also electronic conductivity. With the redox properties of the conductive binding agent, the binding function can be performed, and the conducting function can be performed between the positive and negative electrodes of the lithium ion battery. Therefore, the dose of a traditional conductive additive can be reduced, and lithium ion battery specific capacity can be improved.
Owner:DONGGUAN CHUANGMING BATTERY TECH

Liquid crystal display screen

The invention relates to a liquid crystal display screen, which comprises a first substrate, a second substrate, a liquid crystal layer, a first alignment layer and a second alignment layer, wherein the first substrate and the second substrate are arranged oppositely; the liquid crystal layer is arranged between the first substrate and the second substrate; the first alignment layer and the second alignment layer are respectively arranged on the surfaces of the first substrate and the second substrate close to the liquid crystal layer; the surfaces of the first alignment layer and the second alignment layer close to the liquid crystal layer are correspondingly provided with a plurality of first grooves and a plurality of second grooves respectively; and the arrangement direction of the first grooves is vertical to the arrangement direction of the second grooves. At least one alignment layer of the liquid crystal display screen comprises a carbon nano tube layer and a fixing layer, wherein the carbon nano tube layer comprises at least one carbon nano tube film which is obtained by directly drawing from a carbon nano tube array; and the fixing layer is arranged on the surface of the carbon nano tube layer close to the liquid crystal layer.
Owner:TSINGHUA UNIV +1

High-specific capacity lithium-sulfur secondary battery composite cathode and preparation method thereof

The invention discloses a high-specific capacity lithium-sulfur secondary battery composite cathode and a preparation method thereof. The method comprises the following steps: (1) weighing elemental sulfur, copper powder, a conductive agent and a binder, and mixing the raw materials to prepare a sulfur cathode; and (2) putting the sulfur cathode prepared in the step (1) into a vacuum oven for drying at the temperature of 40-80 DEG C for 24-72 hours, so as to obtain the lithium-sulfur secondary battery composite cathode containing the elemental sulfur and copper sulphate. According to the composite cathode disclosed by the invention, the first discharge specific capacity reaches 1400mAh / g-S; the discharge capacity is kept at 997.8mAh / g-S after 30 cycles; and the lithium-sulfur secondary battery composite cathode also displays relatively good cycling stability. According to the preparation method disclosed by the invention, the manufacturing process is simplified; the cost is reduced; and the copper sulphate generated by a chemical method has relatively high reaction activity, and is conducive to improvement of the discharge capacity of a lithium-sulfur battery.
Owner:SHANGHAI INST OF SPACE POWER SOURCES

Color filter and preparation method thereof, as well as liquid crystal display device

The invention relates to the technical field of displaying and provides a color filter and a preparation method thereof, as well as a liquid crystal display device. According to the invention, the color filter comprises a substrate, a black matrix layer, a color filter layer, a flattened conductive layer and a spacer, wherein the flattened conductive layer is formed by laminar di-hydroxyl hydroxide stripping liquid. According to the invention, in the color filter, a flat protective layer and a conductive layer of the traditional color filter layer are replaced with the flattened conductive layer. According to the invention, in the preparation process of the color filter, a conductive layer forming process and a flat protective layer forming process are combined into a one-step process, so that the technical cost of the sputtering conductive layer is reduced; moreover, as the laminar di-hydroxyl hydroxide stripping liquid is used as the flattened conductive layer, the material cost is reduced, which greatly reduces the cost.
Owner:BOE TECH GRP CO LTD

Process for manufacturing stainless steel by using high-phosphorus nickel-chromium pig iron

The invention relates to a process for manufacturing stainless steel by using high-phosphorus nickel-chromium pig iron, which comprises the steps of charging, electrification, oxygen blowing, flushing, refining and the like. By the process provided by the invention, high-phosphorus nickel-chromium pig iron is dephosphorized in an electric furnace, stainless steel is produced by smelting, the high-phosphorus nickel-chromium pig iron with low cost is adopted as a raw material, the manufacturing cost of each ton of stainless steel can be lowered by about 200 dollars, the use field of the raw material of the stainless steel can also be further expanded, and the nickel-chromium pig iron with high phosphorus content can be applied to the smelting production of the stainless steel in a large scale.
Owner:ZHANGJIAGANG POHANG STAINLESS STEEL

Thin film transistor and fabrication method thereof

The invention proposes a thin film transistor and a fabrication method thereof. A source and a drain of the thin film transistor are respectively provided with a first metal layer, a second metal layer, a third metal layer, the first metal layer is in contact with an indium gallium zinc oxide layer, and a metal diffusion layer is arranged on a contact surface of the first metal layer and the indium gallium zinc oxide layer. The invention simultaneously proposes the fabrication method of the thin film transistor. The fabrication method comprises the following steps of sequentially depositing to obtain the first metal layer, the second metal layer and the third metal layer, depositing to obtain a PV layer on the basis of a chemical vapor deposition (CVD) mode, performing high-temperature annealing processing on the PV layer so that metal in the first metal layer is diffused to the indium gallium zinc oxide layer to form the metal diffusion layer. The first metal layer and the indium gallium zinc oxide layer form ohmic contact by the metal diffusion layer, a destitute region of an interface becomes narrow, and more chances are provided for direct tunneling of electrons.
Owner:TCL CHINA STAR OPTOELECTRONICS TECH CO LTD

Preparation method of multilayer transparent conductive thin film as well as prepared thin film and application thereof

The invention relates to the field of preparing semiconductor materials and provides a preparation method of a multilayer transparent conductive thin film as well as a prepared thin film and an application thereof. The method comprises the following steps: mixing SiO2 powder with ZnO powder and sintering to serve as an SZO target, wherein the mass ratio of the SiO2 powder to the ZnO powder is 2 / 199-1 / 6; providing an Ag target; and putting the SZO target and the Ag target into a magnetic-control sputtering cavity, orderly sputtering a first SZO layer, an Ag layer and a second SZO layer on a substrate so as to obtain an SZO-Ag-SZO transparent conductive thin film which is of a sandwich structure. The invention also provides the multilayer transparent conductive thin film obtained by using the method and the application of the film in semiconductor photoelectric devices.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Shielding motor for pump capable of transporting liquid containing particles

The invention discloses a shielding motor for a pump capable of transporting liquid containing particles. The shielding motor for the pump comprises a motor cavity, a pump cavity and negative pressuresuction devices, wherein the output end of the motor cavity is connected with the pump cavity, the negative pressure suction devices comprise the first negative pressure suction device and the secondnegative pressure suction device, and the first negative pressure suction device and the second negative pressure suction device are arranged at the top end and the bottom end of the pump cavity respectively; and the shielding motor further comprises a cooling device, and one end of the cooling device is connected with the motor cavity. According to the shielding motor for the pump capable of transporting the liquid containing the particles, extraction and discharge operations of liquid can be effectively realized, meanwhile, the motor can be applied to the liquid medium containing the particles which cannot be conveyed by a common shielding pump, and the practicability is better; and the structure is reasonable in design, the influence of the particles on the whole assembly can be reduced in the transportation process, the sealing performance of the motor cavity and the pump cavity is ensured, the cooling effect of the motor cavity can be achieved, and higher practicability is achieved.
Owner:常州市江南三翔电机有限公司

EFB start-stop battery positive and negative electrode with high charging acceptance capacity and preparation method thereof

The invention relates to an EFB start-stop battery positive and negative electrode with high charge acceptance capacity and a preparation method thereof, belongs to the technical field of EFB start-stop batteries, and mainly solves the problem that the high-temperature life of a battery is reduced due to carbon fibers contained in existing lead paste. The main features are as follows: an anode lead paste formula includes 0.2% -- 0.4% of expanded graphite, 0.08% - 0.12% of short fiber, 0.1% - 0.3% of metal sulfate additive, 0.6% - 1.0% of 4BS seed, 9% - 12% of pure water, 8% - 10% of 1.38 g / cm3sulfuric acid solution and the balance of lead powder; a cathode lead paste formula includes 0.1 to 0.2 percent of carbon nanotube slurry, 0.1 to 0.2 percent of carbon black A, 0.02 to 0.06 percent of carbon black B, 0.08 to 0.12 percent of short fiber, 0.15 to 0.25 percent of organic additive A, 0.08 to 0.12 percent of organic additive B, 0.5 to 0.8 percent of nanometer barium sulfate, 8 to 10 percent of pure water, 8 to 10 percent of 1.38 g / cm3 sulfuric acid solution and the balance of lead powder. The invention has the characteristics of greatly improving battery charging acceptance capacity and further prolonging the battery life, and is mainly used for EFB starting and stopping batteries with high charging acceptance capacity.
Owner:CAMEL GRP XIANGYANG BATTERY

Preparation method of multilayer transparent conductive film, film prepared thereby, and application thereof

The invention relates to the preparation field of semiconductor material, and provides a preparation method of a multilayer transparent conductive film, the film prepared thereby, and the application thereof. The preparation method comprises the steps of: mixing Ga2O3 powder and ZnO powder, sintering the mixture and taking the product as GZO target material, wherein the mass ratio between the Ga2O3 powder and ZnO powder is 1 / 99-1 / 19; providing Cu target material; putting the GZO target material and the Cu target material into a magnetron sputtering cavity; vacuumizing and alternately sputtering a GZO layer and a Cu layer on a substrate; and finally obtaining the GZO-Cu-GZO transparent conductive film with a sandwich structure. The invention also provides the multilayer transparent conductive film prepared by the method, and the application of the film in a semiconductor photoelectric device.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

A precharged high-efficiency liquid injection process for lithium ion batteries

The invention relates to a precharged high-efficiency liquid injection technology of a lithium ion battery, comprising the following steps: first liquid injection, wherein the liquid injection amountis 20-60% of the total liquid injection amount; The batteries after the first injection are precharged with a charge rate of 0.1 C -1.7 C and a charge time of 30 -300s. 40 to 80 percent of the total liquid injection amount; High temperature activation is performed, activation temperature is 30-90DEG C, activation time is 8-15h; Formation. A first injection solution of the present invention is injected into a part of the electrolyte, then the electrostatic adsorption between the pole piece and the diaphragm is opened by precharging, the pole piece and the diaphragm are loosely separated, the electrolyte is injected into the battery for the second time, and the electrolyte can smoothly penetrate into the middle of the coil core, the electrolyte is completely absorbed by the pole piece through the high-temperature static electrolyte, and the SEI membrane is formed after the electrolyte is formed; It not only shortens the injection time and improves the injection efficiency, but also improves the first efficiency and cycle life of the battery.
Owner:江西安驰新能源科技有限公司

Electrochemical polishing solution for zinc alloy devices and polishing method thereof

The invention relates to an electrochemical polishing solution for zinc alloy devices and a polishing method thereof, particularly an electrochemical polishing solution for zinc alloy products and a polishing method thereof, belonging to the field of zinc alloy material surface treatment. The electrochemical polishing solution for zinc alloy devices is composed of the following substances in percentage by volume: 10-40% of phosphoric acid, 20-85% of ethylene glycol butyl ether and 5-50% of acetic acid. The polishing solution has the characteristics of low toxicity, high component stability and the like, and can be used for electrochemical polishing of zinc alloy products. The polished zinc alloy product has the advantages of high brightness and smooth surface. The electrochemical polishing solution is free of environmentally harmful components and biologically toxic components, can not introduce toxic substances onto the zinc alloy surface, and is especially suitable for electrochemical polishing of medical zinc alloy instruments. The electrochemical polishing solution has low component volatilization rate, and thus, is beneficial to shortening the polishing solution replacement period.
Owner:XIAN ADVANCED MEDICAL TECH

Connection method of power battery pack and battery pack produced thereby

The invention relates to a power battery pack. The positive electrode and negative electrode of the power battery pack are respectively provided with a copper-aluminum composite plate. One surface of the copper-aluminum composite plate is a copper plate, and the other surface is an aluminum plate. The copper plates face the electrodes of the power battery pack. The back of the aluminum plates face the electrodes of the power battery pack. The single cells (1) in each row are parallelly connected and welded through one fuse (2); the electrodes of the single cells (1) and the fuse (2) are welded through ultrasonic waves, and the aluminum plates and the fuse (2) are welded through ultrasonic waves. The processing becomes convenient, the cost is reduced, after adopting the abovementioned technical scheme, moreover, the parallel connection of the battery pack is stable and reliable, and the conductive performance is excellent.
Owner:周伟

Flexible substrate and preparation method and application thereof

A flexible substrate comprises a thin polymer film substrate, a first metal aluminum layer is arranged on one surface of the thin polymer film substrate, a second metal aluminum and a thin polyimide film layer are alternatively arranged on the other surface of the thin polymer film substrate, the two ends of the thin polymer film substrate are provided with metal aluminum layer structures, and the material of the thin polymer film substrate is selected from at least one of polyethylene terephthalate, polyether sulfone, polyethylene naphthalate and transparent polyimide. The flexible substrate has low water oxygen permeability. The invention also provides a preparation method and an application of the flexible substrate.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +2

Li-FeS2 battery

The invention relates to a Li-FeS2 battery comprising an anodal structure, a double-layered diaphragm, a cathodic structure, an anodal upper lid combined body and a battery case, wherein the anodal structure, the double-layered diaphragm, and the cathodic structure are stacked together to form a battery electrical core through rolling; an insulation belt is arranged between the anodal structure and the diaphragm, or between the cathodic structure and the diaphragm, and the insulation belt at least covers the overlapped part of the anodal structure and the cathodic structure; and the chemical reaction taken place at the part of the anodal structure or the cathodic structure covered by the insulation belt is later than the non-covered part, so that the covered cathodic structure can play a role of transferring electrons. By adopting the Li-FeS2 battery comprising an anodal structure, the problems that the active substances in the battery is not fully utilized and the battery voltage suddenly falls are solved, and the problems are caused by the reason that the cathodic structure fracture and the conductive base body loss in the non-reacted part of the cathodic structure because reaction is taken place earlier at the end of the cathodic structure far away from a negative tab.
Owner:FUJIAN NANPING NANFU BATTERY

Anode electric-conducting device used for aluminum electrolysis

The invention discloses an electric-conducting anode device used in aluminum electrolysis. A guide rod in the electric-conducting device is composed of an upper guide rod body and a lower guide rod body. The section of the upper guide rod body is at least provided with two parallel sides, and the section of the lower guide rod body is circular, an external thread is arranged on the portion, abovethe lower end surface of the lower guide rod body, of the lower guide rod body, the external thread segment of the lower guide rod body is connected with a steel sleeve provided with an internal thread, the lower end surface of the lower guide rod body is combined with the upper surface of a steel claw cross beam in a friction welding mode, and the steel claw cross beam is in welding combination with the steel sleeve. By means of the electric-conducting anode device provided by the invention, shortcomings in the prior art are overcome, the service life of the device is more than two times thatof a device made through a traditional technology, and existing resources can be fully utilized.
Owner:师建军

Asymmetric-structure in-situ ultrasonic anti-pollution membrane with piezoelectric material as support body and preparation method thereof

The invention relates to an asymmetric-structure in-situ ultrasonic anti-pollution membrane with a piezoelectric material as a support body. The membrane is characterized in that the support body is a porous piezoelectric ceramic with an average pore size of 100 to 3000 nm; and a separating layer is a porous inorganic film with an average pore size distribution of 1 to 1000 nm. The preparation method comprises the following steps: preparing the ceramic support body with a porous structure from piezoelectric ceramic powder and preparing the porous inorganic separating layer on the surface of the ceramic support body; subjecting a wet membrane to air-drying, stoving, calcining and natural cooling successively so as to prepare an asymmetric-structure membrane; and subjecting the asymmetric-structure membrane to high-voltage polarization so as to obtain the asymmetric-structure in-situ ultrasonic anti-pollution membrane. The pore size of the separating film prepared in the invention is adjustable in a range of 1 to 1000 nm so as to meet demands of different separation systems; meanwhile, the piezoelectric support body can generate ultrasonic vibration in the process of separating, so substantial anti-pollution effect is obtained.
Owner:NANJING UNIV OF TECH

LED filament lamp

The invention relates to an LED filament lamp. The LED filament lamp comprises a core column and at least two LED filament strips; each LED filament strip comprises a first electrode end and a second electrode end; the LED filament lamp further comprises connecting structures; a first connecting platform and a second connecting platform are sequentially arranged on the core column from top to bottom; at least two conductive parts matched with the connecting structures are arranged on each of the first connecting platform and the second connecting platform; the connecting structures are arranged at the first electrode ends of the at least two LED filament strips; the first electrode ends of the at least two LED filament strips are connected with the conductive parts of the first connecting platform through the connecting structures; the connecting structures are arranged at the second electrode ends of the at least two LED filament strips; and the second electrode ends of the at least two LED filament strips are connected with the conductive parts of the second connecting platform through the connecting structures. The LED filament lamp has the advantages of being stable and convenient to connect, simple in structure, convenient to produce and capable of saving the cost.
Owner:LEEDARSON IOT TECH INC
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