226results about How to "Reduce passivation" patented technology

Provided is a flexible organic light-emitting display device. The flexible display device includes a flexible substrate having a display area, a non-display area, and a bending area. On the flexible substrate, a first insulation layer is formed in a part of the non-display area. The first insulation layer includes a zigzag pattern. A plurality of wirings are electrically connected to the display area and are extended to traverse the non-display area and the bending area and are disposed on the first insulation layer. On the first insulation layer and the plurality of wirings, a passivation layer is formed. By virtue of a zigzag pattern of the first insulation layer, the frequency of occurrence of cracks in the passivation layer is reduced.

The invention belongs to the electrochemical technical field, and relates to a preparation method for a tantalum-contained interlayer metallic oxide electrode. The electrode is suitable for occasions including steel plate high-speed electroplating, seawater electrolysis marine life pollution and damage prevention devices, sodium hypochlorite electrolysis production devices, sewage treatment, cathode protection and the like in the electrochemistry industrial field. The main process comprises three steps, namely substrate pretreatment, tantalum-contained interlayer preparation and oxide coatingpreparation: firstly, a tantalum-contained interlayer is prepared on a titanium substrate by adopting a thermal decomposition method, and then a mixed metallic oxide electro-catalysis coating is prepared on the tantalum-contained interlayer; the mass percent purity of the metallic titanium substrate is larger than 99%; and the process is simple and convenient to carry out, the metallic oxide electrode with larger size or more complicated structure can be prepared, and the tantalum-contained interlayer can better protect the titanium substrate, delay the titanium substrate inactivation, improve the stability of the oxide electrode and prolong the service life.

A transmitter circuit for use in a display device of the type having a transmission line consisting of aluminum or copper conductor formed on a glass substrate includes a driver circuit, which has a non-inverting output terminal and an inverting output terminal, for outputting a signal current, which has a loop direction that changes based upon an input signal, to the non-inverting and inverting output terminals; and an output-waveform control circuit for detecting the edge of the waveform of the input signal and responding by increasing the signal current temporarily.

The invention relates to an integrated electrolysis nitrogen and phosphorus removal wastewater treatment method, which realizes to remove the nitrogenous and phosphorus nutrition salt and organic pollutants in wastewater in same electrolytic tank. The invention adopts graphite and iron plate as electrodes, alternates electrolysis phosphorus removal and electrolysis nitrogen removal process by alternating the electrode polarities to remove the nitrogenous and phosphorus nutrition salt and organic pollutants in wastewater. The invention performs optimization and integration according to the change characteristics of the parameters including electrolysis time, current density, pH value, pollutants removal rate in the electrolysis phosphorus removal and electrolysis nitrogen removal process, can remove the nitrogenous and phosphorus nutrition salt and organic pollutants in wastewater in high efficiency in short time without adding any medicament in the process, achieves the advantages of small occupation area, short treatment time and high pollutants removal efficiency.

The invention discloses a method for preparing citrate nano zero-valent iron and a method of activated persulfate thereof for treating organic wastewater. The method for treating organic wastewater comprises the following steps: adding persulfate and stable citrate nano zero-valent iron into wastewater containing organic pollutants; uniformly mixing the stable citrate nano zero-valent iron with the persulfate, wherein the stable citrate nano zero-valent iron releases ferrous ions to react with zero-valent iron and the persulfate to generate free radicals with oxidizability, the free radicals degrade the organic pollutants in the wastewater, and the method is used for solving the problem in the prior art that activating conditions of activating the persulfate via heating activation and optical radiation activation are complicated; when the ferrous ions are used for activating the persulfate, the ferrous ions react with the active free radicals to reduce the utilization rate of peroxydisulfate and generate a large amount of iron sludge; the technical problem that the nano zero-valent iron is unlikely to recover when the nano zero-valent iron is used for activating the persulfate is at least partially overcome.

The invention discloses a negative plate of a secondary nickel-iron battery, a preparation method of the negative plate and a secondary nickel-iron battery of using the negative plate and belongs to the technical field of negative electrode materials for secondary nickel-iron batteries. According to the main points of the technical scheme, a negative active material in the negative plate of the secondary nickel-iron battery comprises an additive zinc-based multilayered hydroxide [ZnxMyM'z(OH)2].[(A<a->)n.mH2O]. The invention further particularly discloses a preparation method of the negative plate of the secondary nickel-iron battery and the secondary nickel-iron battery of using the negative plate. By adopting the novel negative plate of the secondary nickel-iron battery, the energy density and the rate capability of the secondary nickel-iron battery can be greatly improved and the cycle life of the secondary nickel-iron battery can be greatly prolonged.

The invention discloses a carbon-plate negative-plate sealed lead acid battery which comprises positive plates and negative plates, wherein parts of the negative plates are carbon plates, and each of the carbon plates comprises a metal substrate, the mixture of porous carbon materials and graphite materials coated on the metal substrate, and composite materials of the mixture. The invention is based on the principle of super-capacitor interfacial electrochemistry double-electrode layers, adopts the carbon plates with the energy storage of electrochemistry double-electrode layers, and the electrochemistry double-electrode stored energy on the two-phase interface of electrolyte / electrode materials has the characteristics of the performance of super-capacity and the capacity energy storage of batteries. The carbon-plate negative-plate sealed lead acid battery has the advantages of high specific power, rapid large-current discharge, corresponding lower discharge depth of batteries, long process of large-grain lead sulfate crystal accumulation on the negative plates, and long service life of the battery.

The invention discloses a vulcanized modification method for a Ni-Fe LDH electrode material. Urea is used as a precipitant and ferrous chloride is used as an iron source. Ni-Fe LDH grows on a nickel net substrate; and with a solvothermal method, vulcanization is carried out on the Ni-Fe LDH by using thiourea, sodium sulphide, or thioacetamide as a vulcanizing agent to obtain Ni-Fe LDH-S growing uniformly on the surface of the nickel net based on a cellular structure. Electrochemical performance evaluation is carried out on the Ni-Fe LDH-S in a 1M KOH electrolyte; and a potential window range is stabilized to be -1.1 to 0V. When constant-current charging and discharging are carried out in the potential window, the specific capacitance of the Ni-Fe LDH-S can reach 340 F / g, wherein the specific capacitance of the sample being Ni-Fe LDH without second-step vulcanization is only 45F / g. The result demonstrates that the specific capacity of the Ni-Fe LDH can be improved substantially.

The invention relates to a method for preparing anti-hardening granular burning-free iron-carbon microelectrolysis filler. The method comprises the following steps of: using scrap iron, charcoal, coal ash, cement, quick lime and clay as materials, mixing the materials respectively according to the mass fraction of 32-26%, 8-10%, 32-35%, 9-12%, 5-7% and 5-7%, granulating and curing to obtain the anti-hardening granular burning-free iron-carbon microelectrolysis filler. The particle diameter of the prepared anti-hardening granular burning-free iron-carbon microelectrolysis filler is 5-7mm. The method has the advantages that when a product is used for sewage treatment, the CODCr and the chromaticity of waste water can be reduced in shorter time, the toxicity of the waste water can be reduced and the biodegradability can be improved; in the use process, the hardening is not easy to occur, the maintenance cost is low and the usage period is long; in the preparation process, waste resources are fully utilized and a burning-free process is adopted, so that the purposes of saving energy, reducing emission and treating wastes with wastes are achieved.

The present invention provides a selenium-rich rice compound fertilizer. The compound fertilizer comprises the following raw materials in parts by weight: 400-600 parts of a nitrogen-phosphorus-potassium fertilizer, 50-70 parts of nitro humic acid, 2-8 parts of organic trace elements, 3-7 parts of inorganic trace elements, 10-20 parts of biomass slag, and 1-2 parts of inorganic selenium salt. The organic trace elements comprise a sucrose sugar complex and a humic acid complex. The selenium-rich rice compound fertilizer provided by the present invention has the advantages that the selenium-rich rice compound fertilizer is high in rice yield, high in plant disease resistance and suitable to be applied in large area; rice ears are relatively large and heavy; and because selenium-rich rice contains selenium that is essential for human bodies and animals, the selenium-rich rice is high in nutritional value and beneficial for health.

The invention discloses a method and device for treating high-concentration nonbiodegradable organic wastewater. The method comprises the following steps: (1) adjusting pH (Potential of Hydrogen) of the wastewater to be 3; (2) feeding the adjusted wastewater into an Fenton reactor, and simultaneously adding an Fenton agent to perform Fenton reaction; (3) enabling the wastewater containing the Fenton agent to flow through an electric flocculation device; continuously performing Fenton reaction under the effect of a pulsed power electric field, and simultaneously performing electrochemical reaction and electric catalytic oxidation reaction, in order to further degrade organic matters in the wastewater as well as generate flocculates and precipitates; scrapping the flocculates through a slag scraper in an air flotation area of the electric flocculation device; and (4) enabling the wastewater with the precipitates to flow into a precipitation tank, adjusting the pH to be 7 to 8, and then removing the precipitated wastewater from the precipitation tank. Compared with the prior art, the method for treating the high-concentration nonbiodegradable organic wastewater, disclosed by the invention, can improve the removal efficiency of nonbiodegradable organic pollutants.

The invention relates to a bath solution preparing method and a low-concentration weakly alkaline cyanide-free copper plating which can ensure that the bonding force exists between a plating layer and a matrix, the plating solution has best stability, better dispersing capacity and deep plating capacity and simple process maintenance. The low-concentration weakly alkaline cyanide-free copper plating comprises a main salt, a conductive salt, a main complexing agent and a secondary complexing agent, wherein the main salt is copper chloride, the conductive salt comprises a mixture of sodium chloride, potassium chloride and ammonium chloride, the main complexing agent is a mixture of tartrate, citrate, nitrilotris(methylene)]tris-phosphonic acid salt, (1-Hydroxyethylidene)bis-phosphonic acid tetrasodium salt and ethylenediamine tetra(methylenephosphonic acid) salt; and the secondary complexing agent is a mixture of ortho-hydroxybenzoic acid, succinimide and derivatives thereof and dimethyl hydantoin. The invention has the advantages of capability of ensuring the bonding force of the plating and the matrix, best stability and better dispersing capacity and deep plating capacity and simple process maintenance.

The invention provides a special fertilizer for rice. The special fertilizer is prepared from the following raw materials: nitrogen-phosphorus-potassium fertilizer, animal amino acid, nitrohumic acid, organic trace elements, inorganic trace elements, medium elements, biomass ash and lime powder, wherein the ratio of nitrogen fertilizer, phosphorus fertilizer to potassium fertilizer in the nitrogen-phosphorus-potassium fertilizer is (15-20):(8-12):(10-15); and the organic trace elements include sucrose complex copper, sucrose complex iron, sucrose complex zinc, sucrose complex manganese, sucrose complex magnesium, silicon humate fertilizer, sodium humate, magnesium humate, zinc humate and urea iron humate. With high nitrogen content and high-quality humic acid, the special fertilizer for rice provided by the invention improves the soil fertility, promotes quick growth of rice plants, increases the utilization rate of fertilizer, reduces fertilizer loss and obviously increases the rice yield.

The invention relates to a microwave electro-Fenton method for processing organic wastewater and a device thereof. Under the action of microwave, a boron-doped diamond film electrode is used as an anode material for electrochemical degradation processing, and organic pollutant containing wastewater is processed efficiently by an electrochemical method. According to the invention, the boron-doped diamond film electrode is utilized to continuously generate hydroxyl radical with strong oxidation capacity in a wastewater system containing divalent iron ions, and in-situ activation of the boron-doped diamond film electrode is carried out by means of thermal effect and non-thermal effect of microwave so as to increase activity of the electrode and promote mass transfer process during the degradation process of organic pollutants. Therefore, the oxidation capacity of the electro-Fenton reaction is enhanced, and mineralization reaction rate is effectively accelerated. In comparison with traditional Fenton and electro-Fenton methods, the processing effect of the microwave electro-Fenton method provided by the invention is effectively enhanced. The method provided by the invention is simple to operate, has a good effect of processing organic wastewater, and has a wide application prospect as well as development potential.

The invention discloses an electrochemical synchronous nitrogen and phosphorus removal apparatus and a municipal sewage treatment method, and belongs to the technical field of sewage treatment. A dimensionally stable electrode, an iron electrode, an aluminum electrode, a magnesium electrode and a copper modified stainless steel electrode which are commonly used in an electrochemical water treatment technology are combined to realize the nitrogen and phosphorus removal treatment of the municipal sewage in a same electrolytic cell. The apparatus has the advantages of simple structure, operation convenience, high efficiency, stable indexes of discharged water, and realization of the large-scale automatic sewage treatment. The municipal sewage method has the advantages of simple technology, operation convenience, manpower and material resource saving, low energy consumption, high removal rate of sewage pollution indexes, and realization of the removal rate of each of the municipal sewage indexes comprising the chemical oxygen demand, nitrate nitrogen, ammonia nitrogen and total phosphorus to reach above 92%.

The invention discloses an electrolyte for a lithium battery. The electrolyte contains a pyridine ionic liquid, and the pyridine ionic liquid contains cations and anions; the cations are N-alkylpyridine; the anions are one kind of the anions of a group consisting of aluminum tetrachloride acid radical ions, gallium tetrachloride acid radical ions, tetrafluoroboric acid anions, hexafluorophosphoric acid anions, bis(trifluoromethanesulphonyl)imine anions, lactic acid anions, p-methyl benzene sulfonate acid radical anions, acetyl sulfonyl imide anions, saccharin anions, amino acids anions, sulfuric acid ester anions, succinic acid diisooctyl ester sulfonate radical anions, 4,5-dimetridazloe anions, and 5-nitrotetrazolato anions. The electrolyte can inhabit increasement of a metal lithium surface passivatin layer (an SEI film) in the lithium battery, and can significantly improve storage performance of the battery. Furthermore, the invention further discloses a preparation method for the electrolyte and the lithium battery containing the electrolyte.

The invention relates to a bentonite-loaded sulfurized nanoscale zero-valent iron composite material and a preparation method and application thereof. According to the composite material, sulfurized modified nanoscale zero-valent iron is loaded on bentonite; the mass ratio of bentonite to total iron is (0.85-1.2):1, and the molar ratio of a sulfur element to total iron is (0.05-0.065):1. The bentonite-loaded sulfurized nanoscale zero-valent iron composite material is more stable and efficient, and is suitable for treatment of multiple pollutants; electron transfer on the surface of the nanoscale zero-valent iron can be accelerated through sulfurized modification and corrosion is promoted, thereby greatly improving the reaction activity of the material; furthermore, the sulfuration process is simple and is free of pollution; and the material is not easy to reunite when loaded on bentonite and the activity can be kept for a long period of time. The removal rate of the material on 4-nitrophenol within 2min reaches over 97.5%, and the removal rate on orange I is close to 100%.

The invention relates to an electrolyte for a lithium-sulfur battery containing a sulfide solubilizer. The electrolyte mainly comprises an electrolyte salt and an organic solvent, wherein the organic solvent comprises an ether organic solvent and the sulfide solubilizer. The invention discloses a determination method for the solubility of the sulfide in the organic solvent. The invention further discloses a composition method of the sulfide solubilizer. The invention provides the lithium-sulfur battery containing the electrolyte; a negative active material is a lithium metal or a lithium-containing alloy, a positive electrode is formed by alloying and ball-milling of the positive active material, a conductive agent and an adhesive at the ratio, and a positive active material is element sulfur or a sulfur-containing compound. The product provided by the invention has the advantages of being available in raw materials, simple in process and the like, and the rate capability of the lithium-sulfur battery can be improved.

The invention provides a liquid-state electrolyte-based secondary lithium battery without a negative electrode. The secondary lithium battery without the negative electrode comprises a lithium-embedded positive electrode material, a diaphragm, a liquid-state electrolyte, a positive current collector and a negative current collector, wherein a seed crystal layer is deposited on a surface of the negative current collector, and the liquid-state electrolyte comprises non-lithium metal ions. The invention also provides preparation method and application of the liquid-state electrolyte-based secondary lithium battery without the negative electrode. In the secondary lithium battery without the negative electrode, provided by the invention, a liquid-state electrolyte system is employed, the secondary lithium battery without the negative electrode can work in a circulation way, and dendrite generation can be effectively prevented; and moreover, a metal mechanical blocking layer of the secondarylithium battery without the negative electrode is not needed to be fabricated and packaged, and the secondary lithium battery without the negative electrode is simple in technology and is suitable for industrial production.

An eutrophication water body in-situ electromagnetic coupling flocculation precipitation device comprises a storage battery, a solar cell panel and a buoy connected with the solar cell panel. The solar cell panel is connected with the storage battery, a sewage pump, a sludge pump, the storage battery, an air compressor and a magnetic seed feeder are arranged on the upper portion of the buoy, the sewage pump, the sludge pump, the air compressor and the magnetic seed feeder are connected with the storage battery, a flocculation reaction zone is arranged in the middle of the buoy, a sludge settling zone is located below the flocculation reaction zone, a precipitation separation zone is located at the two sides of the sludge settling zone, an eutrophication water body outside the buoy is pumped into the flocculation reaction zone through the sewage pump, the flocculation reaction zone is provided with multiple pairs of anodes and cathodes which are used for electric flocculation, a perforated pipe sparger which is connected with the air compressor is installed on the lower portion of the flocculation reaction zone, the magnetic seed feeder is used for feeding magnetic seeds into the flocculation reaction zone, and powerful magnets are installed on the two side surfaces of the sludge settling zone. According to the eutrophication water body in-situ electromagnetic coupling flocculation precipitation device, the running cost is low, the maintenance is simple, pharmaceutical pollution and solid waste are not produced, the magnetic seeds are easy to recycle, and concentrated sediment can be used as fertilizer directly.

The invention relates to a device for preparing liquid ferrate through an electrolysis method. The device is characterized in that an electrolyzer is a U-shaped pipe electrolyzer, an alkali liquor inlet of an alkali liquor storage tank is communicated with the alkali liquor inlet of the U-shaped pipe electrolyzer through an alkali liquor delivery pump and an alkali liquor control valve which are arranged on a pipeline, the liquid ferrate outlet of the U-shaped pipe electrolyzer is communicated with a liquid ferrate storage tank through a liquid ferrate control valve and a liquid ferrate delivery pump which are arranged on the pipeline, a side pipeline of the alkali liquor inlet of the U-shaped pipe electrolyzer is a cathode chamber, a cathode electrode is arranged in the cathode chamber of the U-shaped pipe electrolyzer, a side pipeline of the liquid ferrate outlet of the U-shaped pipe electrolyzer is an anode chamber, at least one anode electrode is arranged in an enlarged containing groove of the anode chamber of the U-shaped pipe electrolyzer, and the cathode electrode and the anode electrode are connected with a direct current power source. The device is simple in structure, economical and applicable, scientific and reasonable in technologic process, and low in operation cost, has high current efficiency and good effect, and can be widely used for interval or continuous production.

The invention provides a method and device for deeply treating heavy metal wastewater. Heavy metal wastewater flows into a chemical reaction tank after being adjusted by medicating in an adjusting tank; a surfactant is added into the chemical reaction tank; particle size of heavy metals and micromolecule pollutants is increased through combined action of anionic and nonionic surfactants; after ultrafiltration separation, permeated liquor is exhausted or recycled by reaching standards through air flotation; concentrated liquor is electrically flocculated by adopting high-voltage pulses, and effluent reaches emission standards or is recycled for a production process. The heavy metal wastewater treated by the method disclosed by the invention has stable effluent water quality; meanwhile, power consumption is low and is only 1 / 5-1 / 20 that of a common electrolytic process.

The invention discloses a special fertilizer for corn. The special fertilizer is prepared from the following raw materials: nitrogen fertilizer, phosphate fertilizer, potash fertilizer, zinc fertilizer, nitrohumic acid, organic trace elements, inorganic trace elements, medium elements, biomass ash and lime powder, wherein the organic trace elements include tartaric acid complex copper, sucrose complex iron, sucrose complex zinc, sucrose complex manganese, sucrose complex magnesium, humic acid complex potassium, humic acid complex magnesium, humic acid complex zinc, humic acid complex calcium and humic acid urea iron. Through reasonable collocation of organic fertilizer and inorganic fertilizer and with high-quality humic acid, the special fertilizer for corn disclosed by the invention promotes the growth and maturity of corn, enhances quick growth of corn plant, greatly enhances the soil fertility, increases the corn yield and improves the utilization rate of fertilizer.

Etching compositions and method of using the etching compositions comprising potassium hydroxide; one or more than one additional alkaline compounds selected from the group consisting of TEAH, TMAF and NH4OH; and water; or etching compositions comprising one or more than one inorganic alkali basic hydroxides selected from the group consisting of potassium hydroxide, cesium hydroxide, sodium hydroxide, rubidium hydroxide, or lithium hydroxide; optionally one or more than one additional alkaline compounds; water; and optionally one or more corrosion inhibitors; wherein the composition preferentially etches silicon present on a substrate as compared to silicon dioxide present on said substrate.

The invention discloses a preparation method of a crystalline silicon solar cell. In the passivation process technology of the back surface of a silicon wafer, because aluminum oxide has constant negative charge, the composition of the back surface can be lowered, and the same time, because silicon nitride in rich in hydrogen, passivation can be realized effectively, and in addition, the passivation overlapping layers of aluminum oxide and silicon nitride act as a back reflector, the absorption of long beam waves can be improved greatly, the passivation overlapping layers are positioned between a back surface electrode and the silicon wafer, the warping degree of the crystalline silicon solar cell can be lowered greatly, and the influence on the lifetime of a minority carrier in the silicon wafer can be lowered effectively; and when the back surface electrode is manufactured, because the passivation overlapping layers for the corrosion depth in the corrosion region is just removed, the problem that the back surface electrode and the silicon wafer have less possibility of forming favorable ohmic contact due to the back surface passivation of the silicon wafer can be solved effectively, at the same time, a dense network structure is formed by connecting all the adjacent electric conducting materials by utilizing a silver wire, and the network structure is especially favorable for the collection and conduction of back surface current carriers of the silicon wafer.

The invention discloses an aluminum anode material for a seawater power battery, which adopts aluminum as a base body, and comprises the following components in percentage by weight: 0.01 to 1.0 percent of activating element mercury, 0.05 to 2.0 percent of gallium, 0.05 to 2.0 percent of magnesium, 0.01 to 1.0 percent of tin and 0.01 to 1.0 percent of zinc. By designing the alloy composition and researching the electrochemical performance and the element activating mechanism, the alloy elements and compositions which can reduce the passivation and polarization of the aluminum anode and can improve the electrochemical activity and corrosion resistance of the aluminum anode material are selected, and the aluminum anode material for the large-power seawater-activating power battery with the advantages of short activating time, high current efficiency, stable discharging, less hydrogen evolution quantity, long service life and the like is prepared.

A cassette (10) for holding a tissue sample includes a body having a bottom wall (28) and a plurality of side walls (26) extending upwardly with respect to the bottom wall to define an interior space for receiving the tissue sample. A lid (24) is configured to be received in the interior space, and the cassette (10) is sectionable in a microtome. Sensing elements (12) are associated with the body (16) or lid (24) and configured to allow an automated sensing system to determine at least one characteristic of the cassette (10). A flange (14) extends along upper portions of at least two of the side walls (26) and includes a plurality of holes (12, 20). Other features are included to more effectively and efficiently manufacture and use the cassette (10).

The invention discloses a method for preparing a permeable reactive barrier for relieving passivation of zero-valent iron. The permeable reactive barrier is prepared from an oxygen-releasing nutrientlayer and a hydrolyzed microorganism-zero-valent iron layer at a volume ratio of 1 to 1. The oxygen-releasing nutrient layer is prepared from oxygen-releasing agent CaO2 particles and cheap soil slow-release fertilizer Woshibao particles at a volume ratio of 3 to 2. The hydrolyzed microorganisms in the hydrolyzed microorganism-zero-valent iron layer are prepared from biochar-immobilized microorganisms. The microorganism is Lactobacillus acidophilus. Biochar is prepared from corn straw by anoxic burning at 300 DEG C for 2 hours. The invention also discloses a method of immobilizing microorganisms by biochar. The method adopts microorganisms for hydrolyzing a passivation film on the surface of the zero-valent iron for the first time. The reaction condition is mild, the cost is low, and no secondary pollution is caused. The permeable reactive barrier provided by the invention has better removal effects on heavy metals and chlorine-containing organic pollutants. The method is simple in operation, low in cost and environmentally-friendly, and has a broad application prospect.