13 results about "Anode polarization" patented technology

The utility model discloses a metal material accelerated corrosion test device, include: box (1), be provided with electric control system (12) on the box, water collecting tank (2), set up in the lower part of box (1), sample stage (9), set up above water collecting tank (2), electrolyte water tank (6), set up above sample stage (9), have liquid outlet pipeline, be provided with throttle valve (16) and liquid outlet ware (22) on the liquid outlet pipeline, circulating water pump (3), set up between water collecting tank (2) and electrolyte water tank (6), electrode loop, including anode wire (19), cathode wire (20), graphite electrode (21) and direct current power supply, the utility model discloses through temperature control, oxygen enrichment, anodic polarization etc. means, carry out acceleration under the condition of low conductivity, and integrate ultraviolet and temperature and humidity control, realize to highland environment carries out simulation accelerated corrosion test to provide the basis for the selection and evaluation of material.

The application discloses a kind of based on the coupling of electrochemical parameter gap corrosion evaluation method and device, it is related to electrochemical corrosion evaluation technical field.Gap corrosion evaluation method includes the following steps: based on gap structure establishes oxygen concentration cell, determines anode, cathode and its surface area;In the oxygen-poor medium environment, the anodic polarization curve of target material is measured, the cathodic polarization curve of target material is measured in the oxygen-rich medium environment, obtains anode current density-potential relationship and cathode current density-potential relationship;According to the electrochemical balance formula that total cathode current is equal to total anode current, the coupling potential of oxygen concentration cell is calculated, and further the gap corrosion current density corresponding to coupling potential is obtained, and the gap corrosion rate is calculated according to gap corrosion current density.The gap corrosion evaluation method provided by the application is suitable for the rapid prediction of initial stage of gap corrosion, with the characteristics of convenient, high repeatability, the result is more accurate.

The purpose of the present invention is to provide an alkaline subcritical water composition, a water-containing composition, a device, and a container which are capable of inhibiting corrosion of a reaction device and capable of decomposing a polymer and the like. The present disclosure is an alkaline subcritical water composition having a pH of 13.7 or less and a potential of 400 mV or more when a current density exceeds 10 mA / cm2 in an anodic polarization curve in which a steel material is used in a test electrode.

To provide a simple method for electropolishing titanium or titanium alloys without using organic electrolytes containing perchlorates or alcohols. [Solution] A method for producing electropolished titanium or titanium alloy is provided, which includes a step of anodic polarization of titanium or titanium alloy using a dry ionic liquid containing halide ions.

The application discloses a kind of high-pressure polarization quantum dot electrode preparation process without attenuation, belongs to energy storage electrode preparation technical field.The process includes five core steps of quantum dot pretreatment, electrode coating, drying, two-way differentiation polarization, post-processing, by surface pretreatment to carbon quantum dots and silicon oxide quantum dots, optimize coating process, adopt two-way differentiation polarization of accurate temperature control, control field, combined with post-processing solidification, prepare anode polarization carbon quantum dot positive electrode and cathode polarization silicon oxide quantum dot negative electrode.The polarization quantum dot electrode prepared in the application has strong charge trap stability, non-decay charge density, complete electrode structure, no cracking, falling phenomenon when working in the range of 0.1V to infinite high voltage, adapts to infinite high-voltage energy storage device, solves the technical pain points of existing polarization electrode performance attenuation under high pressure, structure damage.

The application discloses a kind of integrated mechanism reconfiguration and electrolytic cell collaborative control method of knowledge decision drive, it is related to metallurgical automation and industrial artificial intelligence technical field.The method comprises: first, the temperature field in the interior of electrolytic cell and side department are constructed with physical information neural network online, and the self-adaptive adjustment of model parameter is realized by introducing reinforcement learning algorithm;Through the feature selection module of fusion self-attention mechanism, the working condition data is dynamically weighted, and the global state vector representing anode polarization and thermal field fluctuation is extracted;Design composite reward function containing expert knowledge constraint and carbon emission cost, guide reinforcement learning intelligent agent to generate discharging control strategy considering energy efficiency stability and advance emission reduction.The application reduces unnecessary anode adjustment action and alumina discharging action, realizes the deep cooperation of energy balance and material balance, significantly improves current efficiency and controls greenhouse gas emission intensity.

The invention discloses a pulse reversal-electroosmosis synergistic dechlorination system and method for bridge reinforced concrete, and relates to the technical field of corrosion prevention of reinforced concrete structures. The invention aims to solve the problems of large anode polarization, high steel bar secondary corrosion risk, difficulty in quantification of dechlorination efficiency, large anode rigidity, incapability of fitting a complex structure, no quantitative standard of regeneration efficiency, high anode cost, difficulty in replacement and no derivation basis of service life in the existing constant direct-current electric field dechlorination technology. Through optimization of pulse inversion parameters and electro-osmosis collaborative design, a chloride ion migration amount formula is established, efficient migration of chloride ions is achieved, and the stability of steel bars is guaranteed; the resource circulation value is quantitatively evaluated, and the cost and environment burden are reduced; a dissoluble chitosan frame is designed, an anode service life formula is deduced, automatic disintegration and overall replacement within 24 hours after the anode is used up are achieved, a universal and quantifiable dechlorination system is constructed, and the full demand from efficient dechlorination to low-cost maintenance is met through multi-technology cooperation and formulation evaluation.

This invention discloses a wide-voltage energy storage system based on quantum dot polarized electrets, belonging to the field of energy storage system technology. The energy storage system includes a quantum dot polarized electret energy storage unit, a series boost module, a charge / discharge control module, and a safety protection module. The quantum dot polarized electret energy storage unit consists of an anode-polarized carbon quantum dot electret positive electrode, a solid insulating layer, and a cathode-polarized silicon oxide quantum dot electret negative electrode. Stable electret charge and a built-in electric field are formed through bidirectional polarization, achieving wide-voltage energy storage. The series boost module connects multiple energy storage units in series, enabling flexible adjustment of the operating voltage from 0.1V to theoretically infinite voltage. The charge / discharge control module adjusts charge / discharge parameters, and the safety protection module ensures system safety. This invention can adapt to various high-voltage and extreme environment energy storage needs.

The invention discloses a composite reference electrode and a preparation method thereof, and relates to the technical field of reference electrodes. According to the method, firstly, a silver bar / silver mesh composite substrate is prepared through blue laser welding, so that the specific surface area is increased; then, a rare earth-nano particle doped silver halide functional layer is formed on the substrate through a melt impregnation and anodic polarization process, and the structural stability and ionic conductivity of the silver halide functional layer are enhanced. Secondly, preparing double-ion imprinted polymer powder capable of specifically capturing sulfur ions and heavy metal ions, and compounding the double-ion imprinted polymer powder with sulfonated polyether ether ketone, thiolated graphene oxide, imidazole ionic liquid and other components to prepare interface strengthening slurry; and finally, carrying out oxygen plasma treatment on an electrode, coating the slurry, and carrying out curing, heat treatment and activation to obtain a finished product electrode. The reference electrode prepared by the method has good foreign ion interference resistance.

The application discloses a kind of 0.1V to infinite high voltage bidirectional polarization quantum dot energy storage method and charge-discharge control method, belong to energy storage material technical field.Energy storage method includes: carbon quantum dot electrode is anodized, silicon oxide quantum dot electrode is cathodized, solid insulation layer is set between two poles to form electric field isolation, energy storage is realized by polarization charge trap and interface electrostatic field, work voltage is infinitely promoted by device unit series connection stacking, stable charge-discharge and high power output are maintained in 0.1V to infinite high voltage interval.Charge-discharge control method realizes low-voltage start, high-voltage energy storage and stable discharge by adjusting charging voltage and current and matching series connection unit quantity, and avoids performance degradation under high voltage.The application breaks through the voltage limit of traditional energy storage method, has high energy storage efficiency, fast charge-discharge speed and strong safety, and can be widely applied to various high-voltage energy storage scenes, to solve the technical problems of low voltage upper limit and complex control of existing energy storage method.

A basic subcritical water composition and a water-containing composition each capable of decomposing, for example, polymers while preventing or reducing corrosion of the reaction device, and a device and a container therefor. A basic subcritical water composition having a pH of 13.7 or lower and a potential of 400 mV or higher at a current density exceeding 10 mA / cm2 in an anodic polarization curve obtained using a steel material as a working electrode.

This invention relates to the field of water treatment technology and discloses an advanced oxidation treatment system for broad-spectrum removal of organic pollutants from water. The system includes a reaction module, a sensing module, a dosing module, a power supply module, and a control module. The reaction module is filled with a composite packing material composed of carbon-coated copper-doped two-dimensional titanium carbide catalyst particles, graphite particles, and quartz sand particles, and a three-dimensional volume electrode is constructed using a flow distribution network. The sensing module acquires redox potential and dissolved oxygen concentration data. The control module calculates the spatial decay gradient to determine the state of reaction path obstruction. By adjusting the opening frequency of the pulse dosing valve and the asymmetric pulse waveform output by the power supply module, which includes both cathode and anodic polarization output stages, divalent copper ions on the surface of the composite packing material are reduced by electron injection, and nascent oxygen is precipitated by water electrolysis, achieving spatiotemporal decoupling and reconstruction. This invention solves the problems of reduced treatment efficiency caused by catalytic activity passivation and uneven oxygen source distribution.