364 results about "Electrode potential" patented technology

The invention relates to the technical field of integrated circuit manufacturing, in particular to a precise electroplating control system and method for an electroplated layer of a double-layer circuit board, and the method comprises the steps: building a multi-physical field coupling simulation model, and simulating the internal current density and ion concentration distribution of a via hole; constructing a mapping relation between the current density and the side wall electroplating thickness based on a simulation result, and predicting the electroplating thickness; through thickness prediction feedback, a time sequence adjustable pulse current control strategy is designed, the pulse amplitude, the duty ratio and the on-off period are dynamically adjusted, and current distribution optimization is guided; the state of the electroplating process is sensed in combination with real-time monitoring and analysis of multi-source parameters of electrode potential, conductivity and fluid velocity; and based on the prediction model and the real-time parameters, adjusting the pulse waveform and the time sequence through closed-loop compensation. According to the method, the uniformity and controllability of the thickness of the electroplated layer on the side wall of the via hole can be remarkably improved.

An intelligent battery management system and method, and in particular a battery management system utilizing a method for the estimation of the instantaneous positive and negative electrode potentials used during a battery charging / discharging process. The intelligent battery management system and method may be used in a battery control system, such as a battery charging / discharging system to preserve the health of a connected battery over multiple cycles, or in a battery diagnostic system for predicting or modelling battery performance. During a battery charging / discharging process, one or more set points may be set for the electrode potentials on the negative and or positive electrodes. Using the battery overpotential in the determination of electrode potential, allows the battery management method and system to exhibit a high level of adaptivity to battery ageing and battery degradation.

The invention provides an electrochemical active oxygen supply device for a washing machine and a preparation method. The device comprises a shell, a single closed reaction chamber is formed in the shell, a bifunctional anode electrode and a bifunctional cathode electrode are integrated in the reaction chamber, and a compact and uniform reaction area is formed between the anode electrode and the cathode electrode. When water flows through the reaction area, hydrogen peroxide (H2O2) and / or hydroxyl radicals (OH) are / is electrochemically generated on the surface in situ by accurately adjusting the electrode potential of the difunctional anode, so that instant generation and instant utilization of active oxygen are realized. The active oxygen directly enters a washing system of the washing machine along with water flow, bacteria, viruses and fungi can be efficiently inactivated under the normal-temperature or low-temperature washing condition without additionally adding chemical disinfectants, organic stains and peculiar smell molecules are synchronously degraded, and green, efficient and intelligent healthy washing is achieved.

The invention provides a lithium iron phosphate battery fast charging strategy optimization method and system based on reinforcement learning, and belongs to the technical field of battery management. Three-factor characteristics and capacity attenuation characteristics are extracted, gating fusion characteristics are generated in combination with potential sensitive characteristics, and a potential boundary constraint activation function is designed to calculate a cathode potential estimation value, so that an estimation range of the aged battery is automatically tightened; meanwhile, negative electrode potential characteristics are extracted through a negative electrode potential estimation sequence, and aging state characteristics are generated in combination with the capacity fading rate; under a reinforcement learning framework, taking aging state characteristics as condition input of a strategy network, designing a comprehensive reward function including a charging efficiency reward function and a lithium precipitation risk penalty function, and realizing multi-objective optimization; and the finally generated charging current curve can be dynamically adjusted according to the actual aging state of the battery and the real-time charging parameters, so that the charging speed of the new battery is prevented from being limited, and the lithium precipitation risk of the aged battery is effectively prevented.

The invention relates to a construction method and system of a chemical plating solution preparation model based on RNAS, and belongs to the technical field of artificial intelligence control and chemical plating reduction fusion. The method comprises the following steps: acquiring formula data of a chemical plating solution to be prepared; obtaining a size data set of a plating layer area of a to-be-processed plating piece and electrode potential data of oxidation reduction strength of to-be-chemically plated metal, and calculating the modeling film thickness of the plating piece; actual chemical plating operation is carried out, and the actually measured film thickness of a plated part is measured; the plating piece modeling film thickness and the plating piece actual measurement film thickness which meet the preset relation are used for training of an RNAS model system so as to classify chemical plating solution formula data; according to the method, the formula data of the chemical plating solution is classified into an available formula or an unavailable formula by constructing the RNAS model, the use quantity of a reducing agent in the preparation of the chemical plating solution is strictly managed according to the standard, and the effect of accurately and rapidly screening the formula data of the chemical plating solution is achieved.

The invention discloses a method for testing the cycle performance of a hard carbon negative electrode material and application, and belongs to the technical field of sodium-ion batteries. The method for testing the cycle performance of the hard carbon negative electrode material comprises the following steps: S1, preparing a to-be-tested hard carbon material into a negative electrode plate, laminating a positive electrode plate, a diaphragm, the negative electrode plate and a reference electrode, and injecting an electrolyte to prepare a three-electrode battery; s2, discharging the three-electrode battery to a cut-off voltage at a current of 0.5-1 C, and then discharging the three-electrode battery to the cut-off voltage at a current of 0.01-0.1 C; and S3, charging the three-electrode battery, and recording the minimum potential value of the negative electrode relative to the reference electrode and the SOC of the corresponding battery when the potential of the negative electrode is zero. According to the test method provided by the invention, the three-electrode battery is used for testing, the reference electrode is introduced to monitor the real potential of the negative electrode in the charging process of the battery, and the cycle performance of the hard carbon negative electrode material is judged according to the lowest potential of the negative electrode, so that the test period is shortened, and the research and development time of the sodium ion battery is saved.

A battery system includes a non-reference battery cell; a reference battery cell including a cathode, an anode, and a reference electrode; a potential measuring means configured to measure a reference potential of the anode relative to the reference electrode, of the reference battery cell, and to generate a signal corresponding to the reference potential; and a controlling means configured to receive the signal and to reduce, during a charging process of the battery system, a charging current applied to the battery system when the signal indicates that the reference potential is below a predetermined threshold voltage. The non-reference battery cell may be disposed at a first position in the battery system, and the reference battery cell may be disposed at a second position in the battery system, the second position being a position that has a lowest temperature, among the first and second positions, during the charging process.

The invention belongs to the technical field of battery preparation, and particularly relates to a secondary battery and electric equipment. The secondary battery comprises a negative pole piece, wherein the negative pole piece comprises a negative current collector and a negative active material layer arranged on at least one surface of the negative current collector; the negative active material layer comprises a main body region and a thinned region arranged at the edge of the main body region, and the thickness of the thinned region is smaller than that of the main body region; the negative pole piece further comprises an ionic conductive composite material, the ionic conductive composite material makes contact with the thinned area, and the ionic conductive composite material comprises ionic liquid and at least one of a conductive polymer and a sodium ion manganese-based layered oxide. According to the invention, the ionic conductive composite material is added into the negative electrode plate and is in contact with the thinned region, so that the effect of protecting the electrode plate is achieved, the sodium ion conductivity and capacity of the thinned region can be improved, polarization and negative electrode side potential drop in the circulation process can be slowed down, sodium precipitation and side reaction are inhibited, the loss of active sodium is reduced, and the service life of the battery is prolonged.

The invention relates to a water-soluble plumbic acid static storage battery. The battery comprises a battery monomer, the battery monomer comprises an electrode plate, a static electrolyte and a container, the electrode plate is inserted in the electrolyte, the electrolyte comprises water-soluble lead salt, acid and water, and the battery monomer further comprises a lead dissolving agent or a structure extending the bottom end of a negative plate to the position below a positive plate. The lead dissolving agent can provide at least one water-soluble redox couple R oxidation and R reduction, and the redox couple electrode potential meets E theta (Pb < 2 + > / Pb) lt; e [theta] (R oxidation / R reduction) [lt]; e theta (PbO2 / Pb2 +). No diaphragm exists, the electrolyte is in a static state, facilities such as a circulating pump are not needed, lead ions are allowed to migrate under the concentration gradient effect, and meanwhile self-discharge caused by convection shuttling of the lead dissolving agent is greatly reduced. In the charging process, lead and lead dioxide can be flatly deposited on the surface of an electrode and can be completely dissolved in the discharging process, the cycling stability is good, and the components can be kept stable for a long time.

The invention discloses a rapid, stable and high-sensitivity underwater electric field signal detection device and a test method, and solves the problems that an electrode of an existing measurement device needs a long time to stabilize potential, rapid stabilization and real-time detection are difficult, and a test electrode has range difference and drifting. The device comprises a front-end electric field signal sensitive electrode, a rapid stabilization circuit, a signal processing circuit and an upper computer, and the testing method comprises the steps that fixed voltage is applied to the front-end electric field signal sensitive electrode, the state of a single-pole switch of the rapid stabilization circuit is controlled, the electrode range is actively stabilized, and baseline fluctuation of current response is reduced. According to the detection device and the test method, the stabilization speed of the sensing electrode can be optimized through the rapid stabilization circuit, and the electrode current signal is processed in real time and transmitted to the upper computer for display, so that rapid deployment of the sensing electrode is realized, and the efficiency of underwater electric field signal detection is improved.

The invention discloses a PH electrode intelligent calibration method and system based on a self-adaptive calibration algorithm, and relates to the technical field of intelligent calibration control, and the method comprises the steps: carrying out the preprocessing of an original potential signal of an electrode, and obtaining a standardized potential; constructing a two-channel Gaussian process model, and outputting a calibrated pH value and uncertainty in real time; inputting a reinforcement learning decision network, automatically selecting an execution action according to a comprehensive reward function of a prediction error and resource consumption, and obtaining a new sample increment; and the new sample increment is updated to the Gaussian process and reinforcement learning model, and data-driven closed-loop adaptive calibration is completed. According to the method, the calibration pH value and the uncertainty thereof are output in real time through the two-channel Gaussian process model, and automatic balance is performed between prediction errors and resource consumption in combination with the reinforcement learning decision network, so that lag and waste of fixed period calibration are avoided, reagent, energy consumption and manual maintenance cost are remarkably reduced, and the overall operation efficiency of the system is improved.

The invention provides a charging control method and device for a power battery without lithium precipitation and a vehicle, and the charging control method comprises the steps: correspondingly obtaining a battery parameter according to a to-be-estimated parameter in an equivalent circuit model based on the equivalent circuit model corresponding to the target power battery when the target power battery is charged; updating the battery parameters by using the parameter identification network model to quantify the aging characteristics of the target power battery to obtain target battery parameters corresponding to the battery parameters; and based on the target battery parameters, determining a state-of-charge estimated value and a polarization voltage predicted value of the target power battery, performing rolling optimization by using the prediction model, and determining a terminal voltage predicted value of the target power battery so as to control the cathode potential of the target power battery, so that the target power battery has no lithium precipitation phenomenon in the charging process. By means of the method, the effectiveness and safety of lithium precipitation-free charging control of the power battery are improved, and then the cost of charging control is reduced.

The invention discloses a secondary battery charging method based on SOC optimization, and belongs to the technical field of secondary battery charging, and the method comprises the steps: collecting and preprocessing battery pack data, determining historical charging and discharging state marks, and extracting a dynamic polarization time constant and dynamic polarization resistance; superposing a lag correction compensation amount on a preset open-circuit voltage-state-of-charge mapping curve, and determining an initial state of charge; outputting a real-time charge state by using an extended Kalman filtering algorithm model; a recursive least square method with a forgetting factor is adopted to update the capacity reference of the real-time charge state, and a corrected charge state is obtained; calculating a negative electrode surface potential estimation value through a negative electrode potential estimation model based on a single-particle model architecture; and judging to output a maximum allowable charging current instruction and a current limit value dynamic adjusting instruction. According to the method, SOC estimation is accurately optimized, battery aging is adapted, the lithium precipitation risk is evaluated in a mechanism level, dynamic adjustment of the charging current is achieved, and the charging efficiency and the cycle life of the secondary battery are both considered.

The invention relates to the technical field of power battery management, regulation and control, in particular to a battery system full-life-cycle optimal fast charge control method which comprises a frequency-band-divided cooperative control framework of high-frequency fast charge optimization, intermediate-frequency lithium precipitation detection and low-frequency parameter updating. According to the full-life-cycle optimal fast charge control method for the battery system, the battery system model is constructed to consider the inconsistency of parameters among the single cells, so that the situation that individual cells with parameter deviations reach the boundary in the charging process is avoided, and behaviors such as lithium precipitation and thermal runaway are prevented from being carried out to carry out health state estimation and model parameter (capacity and internal resistance) updating after the battery is aged; the problem that an aged battery system does not adapt to an original charging strategy can be avoided in time, online multi-target lossless optimal fast charging is achieved in a charging period, meanwhile, threshold constraints of internal negative electrode potential and external temperature are considered, other key side reaction problems such as lithium precipitation are avoided, and the service life of the battery system is prolonged. And the current is dynamically optimized by combining a closed-loop observer and an optimizer.

The invention relates to the technical field of fine chemical engineering, and discloses a fuel cell cooling liquid and a preparation method thereof, and the preparation method comprises the following steps: preparation of a basic liquid, construction of a corrosion inhibition system, ion inhibition treatment, addition of a functional auxiliary agent and post-treatment. According to the composite corrosion inhibitor, zinc ions are anchored to gap sites of a silicate framework through the surface loading effect of sodium silicate and nano-zinc oxide under the shear dispersion condition, a compact composite passivation film is formed on the surface of a metal pipeline, and an electrode potential active area is covered; meanwhile, molybdate ions are subjected to a self-repairing reaction at the defect position of a passivation film preferentially by virtue of the oxidation-reduction characteristic of the molybdate ions, and formation of a galvanic corrosion microbattery is blocked by dynamically filling microcracks, so that the integrity of a corrosion inhibition system is improved; all the components of the composite corrosion inhibitor generate a synergistic effect in a specific proportion, so that the cooling liquid can maintain stable corrosion resistance for a long time.

The invention relates to the technical field of new energy, in particular to a reference electrode, a three-electrode battery and a preparation method of the three-electrode battery. The reference electrode comprises a porous conductive substrate and a first attachment, and the first attachment is located in pores of the porous conductive substrate; the porous conductive substrate meets at least one of the following conditions 1)-2): 1) the density of the porous conductive substrate is rho0, the density of a solid conductive substrate made of the same material as the porous conductive substrate is rho1, and rho0 meets the condition that rho0 is greater than or equal to rho1 * 0.7; and 2) the specific surface area of the porous conductive substrate is S0, the specific surface area of the solid conductive substrate with the same shape as the porous conductive substrate is S1, and S0 is greater than or equal to S1 * 5. The reference electrode can stably monitor the positive and negative electrode potentials of the lithium ion battery so as to evaluate the positive and negative electrode performance of the battery, and is long in service life.

The invention discloses a method and device for preparing metallic iron and oxygen through electro-deposition of lunar soil in a three-electrode fused salt system, and belongs to the technical field of metallurgy. The device comprises a threaded pipe sealing structure, a gas inlet and outlet structure, a reaction cavity, a crucible, a reaction cavity sealing cover and a three-electrode potential control system. The method comprises the following steps: adding chloride molten salt, a cosolvent and lunar soil / simulated lunar soil into a crucible; raising the temperature to a drying temperature in a simulated moon atmosphere, and keeping the temperature to remove moisture; continuously raising the temperature to the electro-deposition temperature, so that iron-containing components in the lunar soil / simulated lunar soil are fully dissolved; a three-electrode system is adopted for electro-deposition, high-purity metal iron is obtained at a working electrode, and oxygen is efficiently separated out at an auxiliary electrode. The reduction potential is accurately regulated and controlled through a three-electrode system, and synchronous and efficient separation of metal iron and oxygen in lunar soil / simulated lunar soil is achieved.

The invention relates to a lithium ion charging control method and device, equipment, a medium and a product. The method comprises the following steps: acquiring state information of a lithium ion battery to be charged; the state information comprises a negative electrode potential value and a battery temperature value of the lithium ion battery to be charged; determining at least one charging current threshold value in the charging process of the to-be-charged lithium ion battery based on the state information and a preset mapping relation; the preset mapping relation comprises a mapping relation among a battery temperature value, a battery cathode potential value and a charging current value; the preset mapping relation is obtained by performing a charging test on the to-be-tested lithium ion battery according to negative electrode potential boundary values of the to-be-tested lithium ion battery at different charging rates at different battery temperatures; and controlling the charging current of the lithium ion battery to be charged according to the at least one charging current threshold value. By adopting the method, the charging current threshold value can be dynamically adjusted according to the charging state of the lithium ion battery, so that the safety of the lithium ion battery during fast charging is improved.

The invention provides a negative pole piece which comprises a metal layer and a silicon interface layer located on at least one side of the metal layer, the silicon interface layer comprises a material with the general formula of SiOx, x is larger than or equal to 0 and smaller than or equal to 2, and in the thickness direction of the silicon interface layer, the oxygen content of the portion, close to the metal layer, of the silicon interface layer is lower than the oxygen content of the portion, away from the metal layer, of the silicon interface layer. Compared with a metal layer, the silicon interface layer has higher negative electrode potential, formation and growth of dendritic crystals can be inhibited, and improvement of the cycle performance of the battery is facilitated.

The application relates to the technical field of a vanadium redox flow battery, in particular to a circular structure reference battery for monitoring electrode potential, which comprises an electrochemical unit and two circular units. The electrochemical unit comprises a proton exchange membrane and electrode assemblies symmetrically arranged on two sides of the proton exchange membrane; the two circular units are symmetrically arranged on the two sides of the proton exchange membrane, a closed electrode cavity is formed between the circular unit and the proton exchange membrane, the electrode assemblies are arranged in the electrode cavity, a plurality of liquid inlet hole groups uniformly distributed in the circumferential direction are arranged on the circular unit, the plurality of liquid inlet hole groups are communicated with the circumferential edge of the electrode cavity; a liquid outlet assembly is arranged on the circular unit, the liquid outlet assembly is communicated with the central area of the electrode cavity, one end of the liquid outlet assembly extends out of the circular unit, electrolyte enters from the circumferential edge area of the electrode cavity through the plurality of liquid inlet hole groups, flows radially to the central area of the electrode cavity, and then flows out from the liquid outlet assembly. The application has the effects of providing a uniform flow field and ensuring stable and reliable signals.

Disclosed are a negative electrode plate and use thereof. For the negative electrode plate provided in the present disclosure, a negative electrode active layer is coated with a safety function layer containing metal and ceramic, which effectively improve an electrode potential of a negative electrode and a nucleation energy barrier of metal lithium of a lithium-ion battery in a charging process at a low temperature and a high rate, thereby avoiding occurrence of a lithium precipitation phenomenon at the negative electrode. Because of good heat insulation performance of the ceramic, occurrence of a thermal runaway phenomenon in a nail penetration test may be effectively avoided, and safety performance of the battery may be improved. When the negative electrode plate is applied to the lithium-ion battery, the obtained lithium-ion battery has advantages of good cycling performance and high security.

The embodiment of the invention provides a charging method, electronic equipment, a battery pack and an energy storage product, and relates to the technical field of battery management, and the charging method comprises the steps: obtaining to-be-processed data of a target battery; processing the to-be-processed data by using a pre-trained first potential prediction model to obtain first predicted negative electrode potential values of the target battery at a plurality of future moments in a future time period after the current moment in the charging process; on the basis of the obtained multiple first predicted negative electrode potential values, whether lithium precipitation occurs in the target battery at multiple future moments or not according to the current charging condition is judged; in response to the situation that the target battery is charged according to the current charging condition, lithium precipitation occurs at multiple future moments, the charging condition is adjusted, and the target battery is charged according to the adjusted charging condition; the adjusting mode comprises the steps of reducing the charging rate and / or increasing the battery temperature so as to reduce the influence on the service life of the target battery and prolong the cruising ability of the target battery.

The invention discloses an electrocatalytic ammonia synthesis system, which comprises a power supply module; the electrode partitions in the electrolytic bath are arranged into a core area electrode in the middle and an edge area electrode on the peripheral edge, and a negative electrode is connected with an edge electrode in a cathode chamber of the electrolytic bath through a shunt; the dynamic sulfur circulating unit is used for monitoring the potential offset of an electrode in the electrolytic cell and dynamically injecting an ammonium thiocyanate solution into a cathode chamber of the electrolytic cell according to the potential offset; and the current density partition control unit is used for controlling the current density of the current output by the power supply module to the core area electrode and the edge area electrode respectively. According to the invention, the essential problem of high nitrogen activation energy barrier is solved, the technical bottleneck of unsustainable proton transmission is overcome, the engineering limit adapted to wind-light-electricity fluctuation is broken through, the aperture control precision of the molecular sieve is improved, the sulfur vacancy regeneration efficiency is improved, the system fluctuation adaptability is optimized, and the current density tolerance upper limit is expanded.

The utility model relates to a three-electrode lithium ion battery, and belongs to the technical field of lithium ion batteries. The three-electrode lithium ion battery comprises a positive plate, a negative plate, a reference electrode and a diaphragm, the negative plate comprises a negative current collector and a negative active layer arranged on the negative current collector; the negative electrode active layer comprises a first active material layer and a second active material layer, the first active material layer is arranged on the negative electrode current collector, and the second active material layer is arranged on the first active material layer; the reference electrode comprises a first reference electrode and a second reference electrode; the first reference electrode is arranged between the first active material layer and the second active material layer; the second reference electrode is arranged on the second active material layer; and at least parts of the first reference electrode and the second reference electrode are positioned outside the negative plate. The reference electrode in the battery can avoid deviation of positive and negative electrode potentials caused by loss of active lithium, and can accurately monitor the top negative electrode potential and the bottom negative electrode potential.

The application discloses an electrolyte analyzer maintenance liquid and a preparation method thereof. The maintenance liquid comprises cleaning components, electrode protection components, a buffer system, a preservative and a solvent. The cleaning components comprise a decomposition enzyme and a chelating agent, and the electrode protection components comprise inorganic salts, stabilizers and protective agents. Through the synergistic effect of the cleaning components, the electrode protection components, the buffer system and the preservative, the dual effects of cleaning and electrode protection of the electrolyte analyzer flow path can be simultaneously achieved. The decomposition enzyme in the cleaning components can decompose biological pollutants on the flow path and the electrode surface, the chelating agent can chelate metal ions, dissolve metal salt deposits and prevent inorganic salt fouling. The electrode protection components can maintain the stable potential of the electrode after the cleaning components remove the pollutants, prevent the electrode potential from drifting and prolong the service life of the electrode. The electrolyte analyzer maintenance liquid is mild and non-corrosive, avoids damaging the electrode sensitive film, is safe and environmentally friendly, does not release heavy metals and is easy to produce and prepare.

The present invention discloses a method and system for optimizing the electrode open circuit potential based on the electrochemical model of a lithium battery. First, the electrode potentials under equal interval concentrations are fitted to obtain the positive electrode equilibrium potential and the negative electrode equilibrium potential. Then, the positive electrode equilibrium potential and the negative electrode equilibrium potential are used to obtain the lithium battery open circuit voltage. Subsequently, the lithium battery electrochemical model is established according to the lithium battery open circuit voltage. The present invention realizes the function of introducing the lithium battery electrochemical model to remove polarization interference, and can significantly improve the fitting performance of the model in the drastic change area of ​​the OCP curve and improve the overall fitting accuracy of the lithium battery electrochemical model by weighted optimization of the region with large OCP curvature. At the same time, by step-by-step optimization of the positive and negative electrode OCP functions and keeping other parameters fixed, the optimization dimension can be effectively reduced and the fitting stability can be improved. The present invention not only has long-term availability, but also has good versatility and engineering expansion space, and is suitable for wide promotion and use.

A potentiostat architecture includes one or more feedback loops configured to regulate and maintain electrode potentials while measuring a sensing current. At least one of the feedback loops include a comparator configured to sense a voltage difference and output a signal based on the voltage difference, a digital loop filter configured to receive the signal from the comparator and output feedback digital bits related to a control, and a digital to analog convertor configured to receive the signal from the comparator and output feedback digital bits related to a control.

The invention relates to the technical field of vehicles, and discloses a circuit conduction assembly and a vehicle, the circuit conduction assembly is suitable for being electrically connected with a vehicle body conductive part, the vehicle body conductive part comprises a first element, and the standard electrode potential of the first element is E1; comprising a conductive terminal, the conductive terminal comprises a second element, the standard electrode potential of the second element is E2, and E2 is larger than E1; the insulating part is arranged between the vehicle body conductive part and the conductive terminal in an insulating manner so as to prevent direct contact between the vehicle body conductive part and the conductive terminal; and the conduction piece is connected with the vehicle body conductive part and the conductive terminal and comprises a third element, the standard electrode potential of the third element is E3, and E3 is larger than E1 and smaller than E2. According to the circuit conduction assembly provided by the invention, the conductive part of the vehicle body is isolated from the conductive terminal by using the insulating part, the occurrence of galvanic corrosion is inhibited, the conduction part is used as a bridge of a current path, and the conduction part selects a third element of which the standard electrode potential E3 is between E1 and E2, so that the occurrence probability of galvanic corrosion is reduced.

The clothes treatment equipment comprises a barrel assembly, a water way and an electrolysis device, the electrolysis device comprises an anode and a cathode, the anode and the cathode are both arranged on the water way, and the surface of the anode is provided with a boron-doped diamond coating; and the surface of the cathode is provided with a boron-doped diamond coating. According to the embodiment of the invention, the electrode potential of the anode is relatively high, so that the generation of O2 by-products can be inhibited to a certain extent, more oxygen active substances are generated, the generation proportion of active oxygen products is increased, and the sterilization, disinfection and dye cross color prevention effects of the clothes treatment equipment are improved; the cathode can generate more hydrogen peroxide, the generation of hydrogen microbubbles is inhibited to a certain extent, and the generation ratio of hydrogen is reduced; in addition, the hydrogen embrittlement risk caused by hydrogen bubbles to other metal materials can be reduced.

The present invention discloses a multi-scale electromagnetic exploration method based on single-electrode potential detection, which relates to the field of exploration geophysical technology. The method includes: determining the measurement area, clarifying the exploration target, and determining the measurement area and measurement point density based on the depth of the exploration target; deploying a number of transmitting sources and receiving arrays in the measurement area to collect surface potential data of the measurement area in real time, and processing the data frequency by frequency according to a preset frequency sequence; generating a surface potential distribution surface based on the single-electrode potential data, constraining and suppressing the field source effect, obtaining electric field distribution information of the measurement surface, and calculating apparent resistivity parameters in combination with magnetic field measurement data; using a multi-directional excitation mode and a multi-source emission scheme to suppress the field source effect, and constructing a three-dimensional resistivity profile to identify low-resistance or high-resistance bodies. The present invention solves the static effect and volume effect, breaking through the limitations of existing electromagnetic instruments on detection accuracy and depth.