31 results about "Salt bridge" patented technology

An electrochemical power system is provided that generates an electromotive force (EMF) from the catalytic reaction of hydrogen to lower energy (hydrino) states providing direct conversion of the energy released from the hydrino reaction into electricity, the system comprising at least two components chosen from: H2O catalyst or a source of H2O catalyst; atomic hydrogen or a source of atomic hydrogen; reactants to form the H2O catalyst or source of H2O catalyst and atomic hydrogen or source of atomic hydrogen; and one or more reactants to initiate the catalysis of atomic hydrogen. The electrochemical power system for forming hydrinos and electricity can further comprise a cathode compartment comprising a cathode, an anode compartment comprising an anode, optionally a salt bridge, reactants that constitute hydrino reactants during cell operation with separate electron flow and ion mass transport, and a source of hydrogen. Due to oxidation-reduction cell half reactions, the hydrino-producing reaction mixture is constituted with the migration of electrons through an external circuit and ion mass transport through a separate path such as the electrolyte to complete an electrical circuit. A power source and hydride reactor is further provided that powers a power system comprising (i) a reaction cell for the catalysis of atomic hydrogen to form hydrinos, (ii) a chemical fuel mixture comprising at least two components chosen from: a source of H2O catalyst or H2O catalyst; a source of atomic hydrogen or atomic hydrogen; reactants to form the source of H2O catalyst or H2O catalyst and a source of atomic hydrogen or atomic hydrogen; one or more reactants to initiate the catalysis of atomic hydrogen; and a support to enable the catalysis, (iii) thermal systems for reversing an exchange reaction to thermally regenerate the fuel from the reaction products, (iv) a heat sink that accepts the heat from the power-producing reactions, and (v) a power conversion system.

The application relates to the field of electrochemistry, in particular to a method for determining ion concentration based on a double electrolytic cell ion selective electrode, which comprises the following steps: using a poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonic acid) modified glassy carbon electrode or a reduced graphene oxide modified glassy carbon electrode as a working electrode, using a full solid-state ion selective electrode as a reference electrode, and using a platinum wire electrode as a counter electrode; inserting the working electrode and the counter electrode into a test electrolytic cell, inserting the reference electrode into a sample electrolytic cell, connecting the test electrolytic cell and the sample electrolytic cell through Ag / AgCl as a salt bridge, and determining the ion concentration in a to-be-measured solution by adopting a constant potential coulomb analysis method. The technical scheme of the application can minimize the current response time while ensuring the accuracy of ion concentration determination, realizes rapid measurement of ion concentration, and can be applied to detection of ion concentration in human serum.

The application discloses a double-regeneration-tank salt tank and a water softener. The water softener comprises a salt tank for accommodating a double-regeneration-tank assembly; a salt adding opening is formed on the top of one side of the salt tank; the double-regeneration-tank assembly has two regeneration tanks to form a redundancy structure; a salt adding cover is covered on the salt adding opening; a middle cover assembly is covered on the salt tank; an upper cover assembly is covered on the middle cover assembly, and the upper cover assembly and the middle cover assembly jointly form an accommodating space; a control valve is arranged in the accommodating space and is connected with the double-regeneration-tank assembly and a bypass valve respectively; the bypass valve is arranged at an opening in the side wall of the upper cover assembly; a display control box is formed on one side wall of the upper cover assembly and is connected with the control valve; and a blowdown pipeline is connected with the control valve at one end and extends from the side wall of the salt tank to an external interface at the other end. The water softener realizes the small integration of the equipment with the double-regeneration-tank redundancy structure, avoids the large-area caking and salt bridge of salt through the isolation assembly, adopts the modular design, occupies small space, and is convenient for installation, maintenance and replacement.

The invention provides a salt bridge, a preparation method thereof and an electrochemical device, and belongs to the technical field of electrochemistry, the electrochemical device comprises the salt bridge, the salt bridge comprises ionic liquid and gel, and the ionic liquid is embedded in the gel. The electrochemical device comprises the ionic liquid gel salt bridge, and in an organic electrolyte system, flowing and leakage of the ionic liquid can be reduced, so that the mutual dissolution phenomenon of the ionic liquid and an organic solvent is effectively reduced, and the ionic conduction function of the salt bridge is maintained for a long time. Therefore, the stability of the salt bridge in the organic electrolyte system can be improved.

The present invention belongs, in general, to the technical field of industrial chemistry, and more specifically, to a process for the industrial production of electrolytes intended for fuel cells, batteries, rechargeable batteries, capacitors and accumulators, or any energy storage element that generates an electric current by ionization chemistry. This electrolytic process replaces the salt bridge of chemical accumulators, which connects the ions and electrons between the negative anode and the positive cathode, thus improving performance and efficiency. In addition, the electrolyte can be made from 100% organic materials (e.g. fructose acid or acetic acid) and limestone extracted from food. Thus, 100% organic and biodegradable batteries can be produced.

The invention discloses a large-area electrode device structure and a solution resistance reduction and gas separation method. The device structure comprises an electrode and an electrolyte, the electrode is immersed in the electrolyte, a plurality of micro through holes penetrating along a specified direction are distributed in the electrode, part of the electrolyte is filled in the micro through holes to form an ion channel, and the first electrode and the second electrode at least pass through the ion channel to realize electrochemical conduction. According to the invention, the micropores are filled with the electrolyte to form an ion channel similar to a salt bridge, and the channel provides a shorter transmission path for ions, that is, transmission is carried out with smaller resistance, so that the voltage loss caused by huge resistance due to a long transmission distance is solved; the micropores filled with the electrolyte have the functions of blocking gas permeation, namely separating gas generated by reaction, so that the device can generate a target product in a more efficient manner, the effective working area of the electrode is not influenced, the performance of the device is not influenced, and the efficiency of the device is maximized.

The invention discloses a column leaching device and method for electric field reinforced uranium ore leaching, the column leaching device comprises an electric field reinforced high-pressure leaching column and an ion exchange device, two openings are formed in an insulating cylinder in the electric field reinforced high-pressure leaching column at intervals, and the two openings are connected with openings located in the two ends of the ion exchange device through guide pipes respectively; according to the electric field enhanced uranium ore column leaching device, the mode that the electric field enhanced high-pressure leaching column is combined with the ion exchange device is adopted, a directional electric field is formed in the leaching column, the electric field is maintained on the basis of the salt bridge principle, and then the purpose of electric field enhanced uranium ore column leaching is achieved; the device overcomes the defects that an existing column leaching device is single in function and cannot undertake an electric field enhanced leaching experiment, has the advantages of being easy and convenient to operate and reliable in performance, and is high in practicability.

The utility model discloses a pressure-resistant deep sea pH sensor based on an ion sensitive field effect transistor, which relates to the technical field of pH sensors and comprises a detection tube, a detection circuit board is arranged in the detection tube, a bottom tube is sleeved at the lower end of the outer wall of the detection tube through threads, and a salt bridge is arranged at the lower end of the inner wall of the detection tube. The bottom of the salt bridge is in contact fit with the bottom of the inner wall of the bottom pipe, a chip fixing pipe is fixedly embedded in the salt bridge, the upper end of the detection pipe is sleeved with a top pipe through threads, the upper end of the detection circuit board is located in the top pipe, the inner wall of the detection pipe is filled with sealant, and the outer side of the chip fixing pipe is sleeved with the sealant in a sealed mode. An external reference solution is filled between the chip fixing tube and the detection tube, and an electrode is connected to the interior of the external reference solution. The ion-sensitive field effect transistor is used for replacing a traditional glass electrode, so that the ion-sensitive field effect transistor-based seawater pH detection device has better voltage withstanding characteristic and can realize seawater pH detection under the condition of deep sea high pressure.

A microbial electrochemical cell for degrading waste materials into useful products and process of degradation thereof is described. The microbial electrochemical cell includes at least one compartment; at least two electrodes connected to an electrical source (A); the anode is disposed within an organic solvent (C) containing mixed and unsorted waste such as plastic, organic and inorganic wastes; one or more bacterial strains suspended within the organic solvent; the one or more bacterial strain form a biofilm (E) on the anode; the cathode is disposed in a redox mediator and buffer mixture (G); and a salt bridge or a membrane is provided to selectively transfer the ions between the organic solvent (C) containing the mixed and unsorted waste and the redox mediator and buffer mixture (G); where the waste material received within the anode chamber is transformed into an useful product.

The present disclosure relates to a thin layer type electrochemical system including a salt bridge and an electrochemical analysis method using the same and, more particularly, to a thin layer type electrochemical system including a salt bridge and an electrochemical analysis method using the same, which implement the chamber part accommodating the analytical solution of the thin layer type electrochemical system including a salt bridge, such that it is thinner than the diffusion layer; use polyelectrolyte gel as a salt bridge to limit lateral diffusion of reactants; use a specific polyelectrolyte gel; and use a transparent working electrode, thereby measuring the peaks of several consecutive reactions in voltammetry with high resolution, enabling analysis of organic solvents, and allowing electrochemical and spectroscopic measurements to be performed simultaneously.

The utility model discloses a primary battery electromotive force measuring device for a common chemical experiment. According to the primary battery electromotive force measuring device, the reaction container with the clamping groove is designed, the electrode plate can be inserted into the clamping groove to be fixed, meanwhile, the electrode plate can move up and down along the clamping groove to be disassembled and assembled, and a pole piece can be fixed on the electrode plate through a screw when electromotive force is measured. The stability and the accuracy of data during electromotive force testing are ensured; the inner shell cover on the arranged metal inner shell can be opened, and after the reaction container is taken out, the addition of an electrolyte solution in the reaction container and the installation of a pole piece can be directly completed outside the device, so that the assembly of a primary battery is convenient, and the experiment efficiency is improved; the arrangement of the metal shell reduces the contact degree of the electrolyte solution and air. According to the device, the voltmeter, the pole piece, the electrolyte solution, the salt bridge and the like are integrated, so that the operation safety and the experiment efficiency are greatly improved. When the device is used for measuring the electromotive force of the primary battery, the relative error is below 2%.

The application belongs to the technical field of electrochemical measurement, and discloses a pressure self-balancing deoxygenation working condition electrochemical measurement device and method, which comprises a differential pressure transmitter, a PLC liquid level controller, an oxygen content measuring instrument, a first measurement pool, a second measurement pool, an oxygen content measurement pool and a water seal pool; the first measurement pool, the second measurement pool, the oxygen content measurement pool and the water seal pool are sequentially communicated through deoxygenation pipelines; an auxiliary electrode and a working electrode are arranged in the first measurement pool; the second measurement pool is provided with a reference electrode; the auxiliary electrode, the working electrode and the reference electrode are electrically connected with an electrochemical workstation; a salt bridge is further arranged between the first measurement pool and the second measurement pool; the second measurement pool is arranged on a lifting device, and the second measurement pool and the first measurement pool form a height difference h. The application utilizes a control system to automatically control the liquid level difference balance of the measurement device to balance the pressure difference generated by the deoxygenation nitrogen gas flow, and the measurement accuracy is high.

The invention discloses a high-strength solid non-polarized electrode and a preparation method thereof. The electrode comprises a polyvinyl chloride tube, an upper end sealing cover, a lower end opening bottom cover, a lower end porous low-permeability ceramic chip, a kaolin salt bridge containing electrolyte, a polyvinyl chloride channel, a lead wire and an external wire. A certain proportion of high-strength quartz sand is doped into the kaolin salt bridge, so that the environmental adaptability of the electrode is improved, and the service life of the electrode is prolonged. In addition, the invention also provides a preparation method of the electrode, and the preparation method comprises the steps of kaolin salt bridge preparation and filling, integral sealing and the like. The electrode is suitable for long-term earth potential observation in a field extreme environment, and has the advantages of being high in structural strength, good in environmental adaptability and long in service life.

The invention relates to a method for preparing an electrochromic film through spontaneous anodic oxidation driven by potential difference. The method comprises the following steps: preparing a precursor solution of the electrochromic film; preparing an oxidant solution, injecting the oxidant solution into the single salt bridge, and inserting a platinum wire electrode; immersing the conductive substrate and the single salt bridge into the precursor solution at the same time, and connecting the conductive substrate and the platinum wire electrode; and after standing for a period of time, taking out the conductive substrate, and drying to obtain the electrochromic film. Compared with the prior art, the preparation method disclosed by the invention does not need an external power supply, is low in energy consumption, simple in preparation process and low in cost, and has an industrial application prospect of preparing the film on the surface of the conductive substrate, and the obtained film can be applied to the field of electrochromism.

The application provides a salt bridge assisted low-voltage electrodialysis magnesium-lithium separation method and device based on lithium superionic conductor. The method is as follows: lithium superionic conductor is used to divide an electrodialysis cell into an anode chamber and a cathode chamber; during operation, the anode chamber is injected with a raw material solution, and the cathode chamber is injected with an extraction solution; one end of a salt bridge is in contact with the raw material solution, and the other end of the salt bridge is in contact with the extraction solution; the other ends of the two salt bridges are immersed in an auxiliary chamber containing a lithium-free solution; a voltage lower than the solution decomposition voltage is applied to the electrodialysis cell, and the extraction solution in the cathode chamber is transferred and output by a pump and a pipe after electrodialysis. The method solves the problem of charge imbalance between the anode solution and the cathode solution in the process of magnesium-lithium separation by electrodialysis based on lithium superionic conductor by using a salt bridge, instead of realizing charge balance by electrolyzing the solution at a high voltage, thereby effectively reducing the energy consumption of magnesium-lithium separation, and simultaneously having high magnesium-lithium separation efficiency and good application prospect.

The invention discloses a flexible implantable electrode and a preparation method thereof, and a detection system. The flexible implantable electrode comprises a flexible substrate; the graphitization-like carbon film is located on the flexible substrate, the graphitization-like carbon film is provided with a working electrode pattern, a reference electrode pattern and a counter electrode pattern, and the graphitization-like carbon film is formed by pre-mixing graphene oxide and a polymer precursor and then coating the mixture on the first substrate for carbonization reaction; the catalyst layer is positioned on the working electrode pattern; the enzyme recognition layer is positioned on the catalytic layer; the selective membrane is positioned on the enzyme recognition layer; the ink layer is positioned on the reference electrode pattern; and the salt bridge film layer is positioned on the ink layer. The flexible implantable electrode disclosed by the invention has good biocompatibility, long-term stability, mechanical flexibility and implantation adaptability; the thickness and the structure uniformity are good, and large-scale preparation is facilitated.

The utility model discloses a novel agar salt bridge type electrical stimulation cell culture device which comprises a base, a top cover, a salt bridge positioning module and an electrical stimulation module, the top cover is mounted on the base, and a plurality of groups of optical observation windows are arranged on the top cover; each group of salt bridge positioning modules comprises a base and a salt bridge positioning buckle; an adjusting mechanism is arranged between the salt bridge positioning buckle and the base, and the adjusting mechanism is used for adjusting the height of the salt bridge positioning buckle; the electrical stimulation module comprises a PCB (Printed Circuit Board) and a plurality of groups of electrode columns; the PCB is mounted on the top cover; and the electrode column is arranged on the PCB through a threaded connection structure. The novel agar salt bridge type electrical stimulation cell culture device disclosed by the utility model can be matched with a standard commercial cell culture dish for use, the universality is wider, an experimenter can conveniently observe the cell / tissue state in the commercial cell culture dish, and meanwhile, the electric field intensity gradient can be conveniently adjusted.

A kind of simulation spent fuel reprocessing boiling nitric acid galvanic corrosion testing device and method, device includes base, heating stage, reaction kettle, cover plate, object table, lifting adjusting mechanism and control panel;Heating stage is set in the top of base;Reaction kettle is set in the top of heating stage;Cover plate is set in the top of reaction kettle;Object table is located inside reaction kettle and is connected with cover plate by lifting adjusting mechanism;Control panel is set in base, temperature sensor is arranged in the inside of reaction kettle, heating stage and temperature sensor are electrically connected with control panel;Reaction kettle is connected with beaker storing saturated potassium nitrate solution by salt bridge tube, reference electrode is arranged in beaker, reference electrode is electrically connected with electrochemical workstation, galvanic couple sample is electrically connected with electrochemical workstation.The method is: temporarily support cover plate, install galvanic couple sample on object table, adjust the area ratio of galvanic couple sample and the distance between galvanic couple, cover plate is installed back to reaction kettle, add nitric acid to reaction kettle and adjust heating, adjust the height of galvanic couple sample.

The invention provides a reaction system for synthesizing ammonia through plasma coupling electrochemistry, and belongs to the technical field of ammonia synthesis, the reaction system comprises a nitrogen-oxygen mixed gas container, a gas outlet of the nitrogen-oxygen mixed gas container is communicated with a plasma generator, an output end of the plasma generator is connected with a condensation pipe, an output end of the condensation pipe is communicated with a buffer tank, and the buffer tank is communicated with a gas outlet of the nitrogen-oxygen mixed gas container. The output end of the buffer tank is communicated with an eNOx reactor, the output end of the eNOx reactor is communicated with a product collecting container, and the eNOx reactor is electrically connected with an electrochemical workstation. According to the reaction system, the condensation pipe is arranged behind the plasma generator, so that the solubility of NOx in absorption liquid is improved, and the utilization rate of NOx is increased; the salt bridge is adopted to realize connection and conduction of the cathode pool and the anode pool, the communicating channel of the cathode pool and the anode pool is blocked by the polyethylene film, and ammonia generated in the cathode pool cannot be diffused to the anode pool, so that the ammonia concentration detection error is reduced, and the subsequent ammonia recycling rate is improved.

This invention discloses a homogeneous corundum mullite brick and its preparation process, belonging to the field of refractory materials technology. The process employs a sol-gel assisted microscopic in-situ homogenization method: a precursor sol film is formed on the submicron-level bauxite surface by constructing a homogeneous lanthanum ion solution and performing colloidal-level contact grinding; a salt bridge network is formed by spray drying and granulation; finally, sintering is carried out under an oxidizing atmosphere, inducing lanthanum ions to preferentially react with impurities to generate high-melting-point lanthanum ferrite or lanthanum titanate-like crystalline phases. This process blocks impurities from participating in the formation of low-melting-point glass phases at the microscopic scale, resulting in clean grain boundaries within the brick and the absence of continuous glass phases. The obtained product exhibits a high-temperature creep rate of less than [value missing] and a load softening temperature of [value missing], achieving a breakthrough in the preparation of high-end refractory materials using low-grade raw materials.

The invention provides an electrochemical system for recycling a waste battery positive electrode active material and a recycling method of the waste battery positive electrode active material, and relates to the field of waste battery recycling. The electrochemical system comprises a positive electrode material pretreatment device and a metal ion separation device; the metal ion separation device comprises a Co < 2 + > electrolytic separation device and a Li < + > enrichment device, the Co < 2 + > electrolytic separation device is communicated with the Li < + > enrichment device through a salt bridge, and the Co < 2 + > electrolytic separation device is communicated with a liquid outlet of the positive electrode material pretreatment device; and the cathode of the Co < 2 + > electrolytic separation device comprises an MOF-303 modified titanium electrode. According to the method, the metal ions in the layered oxide positive electrode material of the lithium ion battery can be efficiently recycled in an environment-friendly manner, the separation purity can be effectively improved, the process is simplified, the energy consumption is reduced, and the problems of low separation purity, complex process and high energy consumption of the layered oxide metal ions of the lithium ion battery in the prior art are solved.

The invention discloses a hydrogen embrittlement test device and method for simulating underwater wave flow scouring. The device comprises a washing system, a slow stretching system and an electrochemical system, the washing system comprises a box body, an upper fixing plate, a lower fixing plate, a vertical rod group, a fluid monitoring probe, a fluid data acquisition system, a medium mixing tank, a proportioning pump and a flow meter, and the slow stretching system comprises a slow stretching testing machine. The electrochemical system comprises a graphite electrode, a salt bridge, a saturated calomel electrode and an electrochemical workstation. The use method comprises the following steps: fixing a sample on a slow tensile testing machine, conveying seawater with target mud and sand content at a certain flow rate, externally adding direct current cathode protection current to an electrochemical workstation to inhibit uniform corrosion of the sample, recording pure scouring loss Ww of the sample, pre-charging hydrogen into the samples with the same steel grade and the same specification, carrying out a slow tensile test, and recording total loss W of the sample, the contribution rate of scouring and hydrogen embrittlement is represented, and the hydrogen embrittlement sensitivity is evaluated according to the percentage reduction of area.

There is provided a sensor node arrangement for a leakage event detection comprising two or more electrode elements from which at least one includes material with a different standard reduction potential than at least other one of the two or more electrodes, and electrolyte salt material. Upon a leakage event, the electrolyte salt is configured to cause a salt-bridge over the two or more electrode elements. The salt bridge and the electrode elements are configured to form an electrochemical cell. Sensor node electronics is configured to detect the leakage event from electric power generated by the electrochemical cell.

The application provides an electrochemical system and a treatment method for recycling metals from waste ternary lithium batteries. The electrochemical system comprises a reaction chamber, a counter electrode isolation chamber, and a reference monitoring chamber. The reaction chamber and the counter electrode isolation chamber are separated by a cation exchange membrane, and the reaction chamber is connected to the reference monitoring chamber through a salt bridge. The reaction chamber is provided with a working electrode, the counter electrode isolation chamber is provided with a counter electrode, and the reference monitoring chamber is provided with a reference electrode. The material of the working electrode includes positive black powder of the waste ternary lithium battery. The positive black powder of the waste ternary lithium battery is directly used to form the working electrode, and the three-chamber electrolytic cell structure is formed by the reaction chamber and the counter electrode isolation chamber separated by the cation exchange membrane and the reference monitoring chamber connected by the salt bridge, thereby effectively improving the leaching rate of valuable metals leached from the positive black powder and improving the stability of the electrochemical system.

The present disclosure provides a method and system for searching a key atom set in functional dynamics of biomolecules. The method includes: performing optimization to obtain a transition path based on an initial state and a target state, and recording M transition structures; based on a difference between the initial state and the target state, extracting Cα atoms, and atoms capable of forming a hydrogen bond, salt bridge or π-π stacking interaction, to construct a reference atom set; screening out atoms capable of forming a hydrogen bond, salt bridge or π-π stacking interaction with atoms of the reference atom set from the M transition structures to construct a supplementary atom set; and screening out unstable atoms from the supplementary atom set by evaluating the stability of interaction between the reference atom set and the supplementary atom set, and performing integration to obtain a key atom set.

To provide a new electrochemical detection chip used for evaluation of cell respiration activity and improved in reference potential, fixation stability of a specimen, and the like.SOLUTION: An electrochemical detection chip includes a base layer, an electrode chip, an insulation layer, a reference material layer, a first structure layer installed on the insulation layer and including a plurality of bottom part support arms whose end parts are adjacent to each other to define a specimen storage area together, a coating layer, and a salt bridge connection layer. The electrochemical detection chip of the present invention can be used to detect the respiration activity of embryos.SELECTED DRAWING: Figure 1

The invention relates to a method for preparing an electrochromic film through spontaneous cathode reduction driven by potential difference. The method comprises the following steps: preparing a precursor deposition solution of the electrochromic film; preparing a reference solution, injecting the reference solution into the single salt bridge, and inserting a metal electrode; immersing the conductive substrate and the single salt bridge into the precursor solution at the same time, and connecting the conductive substrate and the metal electrode to perform spontaneous cathode reduction; and after standing for a period of time, taking out the conductive substrate, and drying to obtain the electrochromic film. Compared with the prior art, the method disclosed by the invention does not need an external power supply, is low in energy consumption, simple in preparation process and low in cost, and has an industrial application prospect of preparing the film on the surface of the conductive substrate.

The utility model discloses a sample test card and medical detection equipment and relates to the field of analytical instruments. The sample test card (9) comprises a first channel (1), a second channel (2), a first electrode (41) located in the first channel (1) and a second electrode (42) located in the second channel (2). The first electrode (41) is configured to be used for acquiring electrochemical parameters of a sample in the first channel (1), and the second electrode (42) is configured to be used for acquiring electrochemical parameters of a reference solution in the second channel (2); the sample test card (9) further comprises a salt bridge (3), one end of the salt bridge (3) is exposed in the first channel (1), and the other end of the salt bridge (3) is exposed in the second channel (2). The sample test card (9) can realize the conduction of the first electrode (41) and the second electrode (42) by utilizing the salt bridge (3), so that the accuracy of the measured electrochemical parameters of the sample is improved.

The application discloses an experimental device for arc-shaped gap corrosion between metal pipeline fasteners and a test method thereof, and aims to explore the influence of different arc-shaped gap widths, different ion concentrations and other factors on the arc-shaped gap corrosion through the arc-shaped gap corrosion experimental test device and the electrochemical experimental method. The application discloses a test device for arc-shaped gap corrosion between metal pipeline fasteners. The core of the device is a three-electrode test system: a working electrode (9) is clamped in two clamps, an arc-shaped gap is formed through a gasket (8), and the gap width is adjusted by replacing gaskets (8) with different thicknesses or rotating a nut for extrusion. An electrochemical reaction tank (5) contains a solution, a built-in Pt pair electrode (10), a reference electrode (6) is connected to a reference electrode hole of a top clamp through a salt bridge, and the three electrodes are connected to an electrochemical workstation. The test device provided by the application is suitable for testing corrosion tests in arc-shaped gaps.

The utility model discloses a radiator surface potential measuring device, and relates to the technical field of local potential measurement. Comprising a measuring container which contains a sodium chloride mixed solution added with acetic acid, and a radiator sample piece extends into the sodium chloride mixed solution; a stirring rod of the strong magnetic stirrer is put into the sodium chloride mixed solution, and the sodium chloride mixed solution is in a non-static state through rotation of the stirring rod; the reference electrode is used as a reference electrode and is placed in the receiving bottle filled with the saturated potassium chloride aqueous solution; one side of the salt bridge extends into the sodium chloride mixed solution, and the other side of the salt bridge extends into the saturated potassium chloride aqueous solution; the fixing clamp is used for connecting and fixing the radiator sample piece; and the recording instrument is respectively connected with the reference electrode and the fixing clamp and is used for recording potential change. A potential measurement mode is adopted to replace a corrosion test, so that the test period is greatly shortened, and the working efficiency is improved; and manpower resources and equipment waste are saved.