12 results about "High-pressure electrolysis" patented technology

The application discloses a tin terminal semiconductor material and a preparation method thereof. The preparation method first carries out hydrogenation treatment, so that a hydrogen terminal is formed on the surface of the semiconductor material, at this time, carbon-hydrogen bonds are formed between the semiconductor material and hydrogen atoms, and the semiconductor surface is mainly composed of hydrogen atoms; then, the semiconductor surface is subjected to tinization treatment by high-pressure electrolysis of a tin-containing aqueous solution, in the tinization treatment process, enough tin atoms replace a large number of hydrogen atoms, so that carbon-tin bonds can be formed on the semiconductor surface, and then the semiconductor material is tin terminal; the preparation method of the application uses hydrogen atoms as an intermediate medium, so that tin atoms can be combined on the surface of the semiconductor material. The method first realizes the preparation of the tin terminal surface of the semiconductor, and is a high-efficiency, clean and safe surface tinization method, the tin terminal semiconductor surface obtained by the method has high tinization degree and good stability.

The invention relates to a high-voltage water electrolysis hydrogen production temperature compensation system and method, and the system comprises an electrolysis hydrogen production unit which comprises a water storage tank, and the water storage tank conveys an electrolyte in the water storage tank to an anode port of an electric pile module through a water supply pipeline; the flow control unit comprises a flow meter and a metering pump which are connected in series on the water supply pipeline; the temperature control unit comprises a heater for heating the electrolyte and a first temperature sensor for detecting the temperature of the electrolyte; and the high-order polynomial function model is configured to calculate an electrolyzed water temperature compensation value according to the target temperature value and the current flow value, and adjust the heating power of the heater based on the temperature compensation value to heat the electrolyte in the water storage tank to a preset temperature. The high-order polynomial function model calculates the electrolyzed water temperature compensation value according to the target temperature value and the current flow value, the heating power of the heater is adjusted based on the temperature compensation value so that the electrolyte in the water storage tank can be heated to the preset temperature, and set target value control over the water inlet flow and the water inlet temperature is achieved.

The utility model relates to a high -pressure electrolysis hydrogen -making electrolytic cell group convenient to dismouting, including electrolytic cell, tank cover, electrode stick, buckle device, hinge, spring buckle and ion membrane, electrolytic cell and tank cover's same end install the hinge and install spring buckle at electrolytic cell and tank cover's another end, spring buckle includes rocker, card slot board, card slot board mounting bracket, tank cover is installed electrolytic cell's top, two electrode sticks are installed on tank cover, install three buckle devices on each electrode stick, buckle device is installed on tank cover simultaneously, the bottom of electrolytic cell is provided with two liquid injection hole and is provided with water pump below liquid injection hole, the ion membrane installation groove is installed with ion membrane, the buckle device can make electrode stick steady and fast install on tank cover and can be convenient for fast dismouting.

A method of compressing carbon dioxide, CO2, including a) generating a stream of high-pressure oxygen gas and a stream of high-pressure hydrogen gas using a high-pressure electrolyser, b) feeding a reciprocating positive displacement pump comprising a reciprocating member, with a stream of CO2, and with the stream of high-pressure oxygen gas as drive gas to actuate the reciprocating member and compress the CO2 to obtain a stream of high-pressure CO2.

This disclosure discloses an aqueous high-voltage electrolyte and its preparation method, as well as a supercapacitor, belonging to the field of supercapacitor technology. The preparation method of the aqueous high-voltage electrolyte includes: adding an electrolyte salt to deionized water and stirring until the electrolyte salt is completely dissolved to obtain a mixed solution; adding a high-voltage additive and a hydrogen-eliminating additive to the mixed solution, and stirring to obtain the aqueous high-voltage electrolyte. This disclosure utilizes the synergistic effect of two additives, which preferentially adsorb at the electrode / electrolyte interface. By adjusting the interfacial double-layer structure, disrupting the hydrogen bond network of water molecules, or forming a protective layer, these additives effectively increase the water decomposition overpotential, thereby achieving a stable widening of the operating voltage window without significantly altering the basic composition and physicochemical properties of the electrolyte.

The invention provides a carbon dioxide corrosion test device and method. The device comprises a testing unit used for carrying out a corrosion test on injected carbon dioxide; the test unit comprises a first control assembly, a high-voltage electrolytic tank, a temperature control jacket wrapping the periphery of the high-voltage electrolytic tank and a monitoring assembly, the high-voltage electrolytic tank is provided with a containing cavity, a test electrode is installed in the containing cavity, a first test piece is installed on the test electrode, the test electrode is connected with the monitoring assembly through a signal line, and the monitoring assembly is connected with the high-voltage electrolytic tank. The monitoring assembly is used for monitoring the change of the first test piece, and the first control assembly is used for controlling the temperature control jacket to heat or cool the high-voltage electrolytic tank. According to the invention, monitoring of various carbon dioxide phase states and even test piece corrosion parameters at the moment of carbon dioxide phase change can be realized.

The invention provides an aqueous high-voltage electrolyte, a preparation method thereof and a supercapacitor, and belongs to the technical field of supercapacitors. The preparation method of the aqueous high-voltage electrolyte comprises the following steps: adding electrolyte salt into deionized water, and stirring until the electrolyte salt is completely dissolved to obtain a mixed solution; and adding a high-voltage additive and a hydrogen elimination additive into the mixed solution, and stirring to obtain the aqueous high-voltage electrolyte. Through the synergistic effect of the two additives, the additives can be preferentially adsorbed on an electrode / electrolyte interface, and the decomposition overpotential of water is effectively improved by adjusting an interface double-electric-layer structure, destroying a water molecule hydrogen bond network or forming a protective layer, so that on the premise that the basic composition and physicochemical properties of the electrolyte are not obviously changed, the potential of the electrolyte is effectively improved, and the service life of the electrolyte is prolonged. And stable widening of a working voltage window is realized.

The utility model relates to an electro-Fenton device for treating high-concentration wastewater based on high-voltage electrolysis, which comprises a treating pond, a power supply, an acid adding system and a hydrogen peroxide adding system, and a front pH adjusting area, an electro-Fenton reaction area and a mud-water separation area are sequentially arranged in the treating pond from one end to the other end; the upper portions of the side walls of the front pH adjusting area, the electro-Fenton reaction area and the mud-water separation area are communicated in sequence, iron polar plates are arranged at the two ends in the electro-Fenton reaction area respectively, a plurality of sub-polar plates are arranged between the two iron polar plates at intervals, the iron polar plates and the sub-polar plates between the adjacent sub-polar plates are separated, the two iron polar plates are connected with a power source through lines respectively, and the power source is connected with the mud-water separation area. The acid adding system is used for adding acid into the electro-Fenton reaction zone, a first sludge discharge port is formed in the bottom of the electro-Fenton reaction zone, and the hydrogen peroxide adding system is used for adding hydrogen peroxide into the front pH adjusting zone. The device has the advantages that the pH value in the electro-Fenton reaction zone can be maintained in a Fenton reaction demand value range through the acid adding system, and the oxidation efficiency is greatly improved.

A high-pressure electrolyzer assembly includes a pressure vessel having two dome-shaped ends, and an electrolyzer arranged inside the pressure vessel. The pressure vessel is pressurized using an inert gas or a process gas of the electrolyzer. A vehicle may include at least one such electrolyzer assembly.

The invention discloses a high-voltage electrolysis system and method for solid oxides, solves the problem that in the prior art, an existing preparation means cannot guarantee high-pressure hydrogen production, and has the beneficial effects that high-pressure hydrogen can be produced, and compressor model selection is facilitated. The electrolytic bath is arranged in the pressure-bearing container; one end of the air-side heat balance component is connected with the fan, the other end of the air-side heat balance component is communicated with the pressure-bearing container so that the air-side heat balance component is communicated with the anode of the electrolytic cell, and a first pressure regulating valve is arranged at the tail exhaust end of the air-side heat balance component; a second pressure regulating valve is arranged at the tail exhaust end of the steam side heat balance component, and it is guaranteed that a first pressure difference limit value exists between the steam side and the operation environment and between the air side and the operation environment in the operation process of the electrolytic cell by adjusting the opening degree of the first pressure regulating valve, the opening degree of the second pressure regulating valve and the opening degree of the switching valve; and a second pressure difference limit value exists between the steam side and the air side during the operation of the electrolytic cell.

This invention relates to an IrO2@NiRuO3 formulation for PEM water electrolysis. x This invention relates to an anode catalyst, its preparation method, and its application, belonging to the technical field of catalysts for hydrogen production via water electrolysis. The method involves mixing ruthenium salt, nickel salt, and carbon material in an acid solution, followed by rotary evaporation and drying. The mixture is then successively calcined under a reducing atmosphere and calcined in air, followed by immersion in an acid solution, and finally washed and dried to obtain NiRuO. x Add iridium precursor and NiRuO to the alcohol solvent system x After stirring and impregnation for 1-4 hours, nitrate is added and stirring and impregnation continues for 0.25-1 hour. The solvent is then removed to obtain NiRuO supported on the iridium precursor. x Finally, the anode catalyst is obtained by calcining at 480-520℃ for 10-60 minutes in air, followed by washing and drying. The anode catalyst of this invention achieves high catalytic activity and improved long-term stability under high current density conditions in high-pressure PEM electrolysis.

The utility model relates to a kind of high-pressure PEM electrolysis system, belong to high-pressure electrolytic device technical field.The system includes high-pressure PEM electrolytic cell, hydrogen side electrolyte storage tank, oxygen side electrolyte storage tank and circulating pump, the bottom of hydrogen side electrolyte storage tank and oxygen side electrolyte storage tank is equipped with electrolyte outlet and electrolyte back mouth, gas balance tank is equipped with the slider of gas balance tank is divided into two chambers and is equipped with electrolytic liquid supplementing port, electrolytic liquid supplementing port is communicated with the electrolyte outlet of oxygen side electrolyte storage tank by second pipeline;The top of hydrogen side electrolyte storage tank and oxygen side electrolyte storage tank is equipped with gas balance outlet, and gas balance outlet is communicated with the two chambers of gas balance tank by third pipeline.The system avoids hydrogen gas bubble and oxygen gas bubble mutual stringing in and can balance the electrolytic alkali pressure balance of hydrogen side electrolytic alkali storage tank and oxygen side electrolytic alkali storage tank.