19 results about "Salt bridge" patented technology

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 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.

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 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 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.

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.

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 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.