6 results about "Oxygen deficient" patented technology

The invention relates to an oxygen-deficient nano material and a solid-phase melting zinc thermal reduction preparation method and application thereof, zinc powder is taken as a reducing agent, target metal oxide such as anatase type TiO2 and zinc powder are uniformly mixed, then mild high-temperature annealing treatment is carried out in an inert gas atmosphere, a product is washed by dilute acid / alkali, and the oxygen-deficient TiO2-x nano material is obtained. Similarly, oxygen deficient SnO2-x, ZrO2-x, and BaTiO3-x materials can be produced by such methods. Compared with the existing technologies of high-temperature hydrogen reduction, complex structure carbonization, solvothermal reduction and the like for preparing the oxygen-deficient nano material, the preparation method disclosed by the invention adopts a solid-phase molten zinc thermal reduction technology, takes environment-friendly and low-cost zinc powder as a reducing agent, and prepares the oxygen-deficient nano material by utilizing a solid-phase molten zinc thermal reduction process at a mild high temperature; the preparation method has the advantages of simple process, no special requirement on production equipment, processing universality and industrial production compatibility, successfully prepares a series of defect nanometer materials with adjustable oxygen defect concentration, and effectively prolongs the cycle life of the zinc battery by applying the defect nanometer materials to the negative electrode protection of the zinc ion battery.

The present disclosure relates to a method and a system to increase the dissolved oxygen content in a water body having a dissolved oxygen content of between 0 mg / l and 4 mg / l, or to anticipate a future drop of a dissolved oxygen content of a water body to between 0 mg / l and 4 mg / l, wherein the water body is non-stratified, or is stratified and comprises at least an epilimnion, wherein the method comprises a step a, wherein a stream of diluted aqueous nitrate containing liquid droplets of which at least part are diluted oxygenated aqueous nitrate containing liquid droplets are formed, and a subsequent step b, wherein the diluted aqueous nitrate containing liquid droplets of which at least part are oxygenated diluted aqueous nitrate containing liquid droplets are further spread, in case of a non-stratified water body, in a part of the water body or in the whole water body, and in case of a stratified water body, in a part of the epilimnion of the water body or in the whole epilimnion of the water body.

A method (100) of producing commercially pure carbon dioxide can include providing (110) a body of rubblized carbon based ore. The body of rubblized carbon based ore can be heated (120) at an elevated temperature under an oxygen deficient atmosphere to produce water, carbon dioxide, a residual mineral ore, and optionally hydrocarbon products. The carbon dioxide can be separated (130) from the water and optional hydrocarbon products. The carbon based ore can include oil shale, coal, tar sands, peat, tasmanite, or a combination thereof.

The present disclosure relates to a method to increase the dissolved oxygen content in a water body having a dissolved oxygen content of between 0 mg / l and 4 mg / l, or to anticipate a future drop of a dissolved oxygen content of a water body to between 0 mg / l and 4 mg / l, wherein the water body is non-stratified, or is stratified and comprises at least an epilimnion, wherein the method comprise dispersing a diluted oxygenated aqueous nitrate containing liquid in the form of droplets in the non-stratified water body or in the epilimnion of the stratified water body. The present disclosure further relates to a system configured for performing the method of the present disclosure.

The present disclosure discloses provides a method for forming a supercapacitor. The method includes the steps of applying dough of a predefined quantity on at least two conductive substrates. The method further includes creating cavities in the dough applied on the at least two conductive substrates at a first temperature range for a threshold time interval. Further, the method includes carbonizing the dough applied on the at least two conductive substrates at a second temperature range for a predetermined time at a predetermined heating rate, to form at least two electrodes. Carbonizing the dough applied on the at least two conductive substrates is performed in an oxygen deficient condition. Furthermore, the method includes forming the super capacitor by assembling the at least two electrodes in at least one electrolyte.

The present application relates to the technical field of target material preparation. Provided are a MOS target material, a preparation method therefor, and a thin-film transistor. The preparation method comprises: subjecting a mixed salt solution of In, Ga, and Sn ions, a precipitant, and a complexing agent to a coprecipitation reaction, then performing cleaning and concentration to obtain a high-purity indium gallium tin hydroxide colloid; subjecting the high-purity indium gallium tin hydroxide colloid and an auxiliary agent to a hydrothermal reaction, then performing cleaning and drying to obtain a first indium gallium tin oxide powder; calcining the first indium gallium tin oxide powder to obtain a second indium gallium tin oxide powder; subjecting the second indium gallium tin oxide powder, a dispersant, a defoaming agent, and pure water to ball milling and mixing so as to obtain a slurry; performing slip casting using the slurry to obtain a green body; and sintering the green body under high-oxygen conditions to obtain a MOS target material. The present application combines a coprecipitation reaction, a hydrothermal reaction, and calcination, precisely controlling the oxygen content of the powder and making the powder slightly oxygen deficient, and preventing In2O3 from losing oxygen and generating In2O or InO during sintering of the green body and affecting the conductivity of the target material.