20results about "Immersion cells" patented technology

The invention belongs to the technical field of high-concentration brine concentration, and particularly relates to a zero-energy-consumption automatic seawater concentration and collection method and battery application. The method comprises the following steps: proportionally adding a surfactant into seawater, uniformly mixing to obtain to-be-concentrated seawater, adding the to-be-concentrated seawater into an evaporation pond made of a hydrophobic material, evaporating, and collecting liquid drops seeping from the surface of the evaporation pond to obtain concentrated seawater; the adding amount of the surfactant in the seawater to be concentrated is smaller than a critical value of wetting the hydrophobic material by the surfactant. According to the method, self-triggering type automatic collection of the concentrated seawater based on the target concentration is achieved, the production efficiency is greatly improved, and the labor cost is reduced. The concentrated seawater obtained by the method is high in concentration precision, contains a surfactant, can meet the requirement of a high-performance battery when being used as an electrolyte, can prolong the cycle life of the battery, and meets the commercial application requirement.

The application discloses a PSPEEK / COF composite membrane for reverse electrodialysis technology and a preparation method thereof, and belongs to the technical field of renewable energy extraction. First, sulfonated polyether ether ketone material is synthesized by using ether ether ketone and concentrated sulfuric acid, then a porous sulfonated polyether ether ketone casting solution is prepared by adding a solvent and polyethylene glycol 400, then a COF membrane is formed above the PSPEEK casting solution by using an interfacial polymerization method, finally, the PSPEEK / COF composite membrane is obtained by removing the solvent and polyethylene glycol 400. The COF membrane with inherent pore transmission channels is prepared first, and the COF membrane is used for selectively conducting cations. The mechanical stability of the COF membrane is improved by combining the COF membrane with the PSPEEK substrate. The prepared membrane has high salt difference power generation performance and long service life.

The invention discloses a high-potential aluminum alloy anode material and a preparation method and application thereof, and belongs to the technical field of light metal functional materials. According to the aluminum alloy anode material, aluminum with the purity larger than 99.999% serves as a raw material, alloy elements are added, and the added alloy elements comprise, by mass, 0.3%-0.7% of Mg, 0.1%-0.15% of Ga, 0.05%-0.08% of Sn and 0.03%-0.07% of In; the mass percentage content of impurities is less than 0.01%; alloy elements are added in the form of magnesium-based binary intermediate alloy. According to the invention, modification research on an aluminum alloy anode material is carried out by adopting a microalloying mode, and a high-potential aluminum alloy electrode material is prepared through key processes such as smelting and casting of a microalloyed aluminum alloy electrode, ultra-thin cold pressing processing of the aluminum alloy electrode and multi-stage heat treatment of the aluminum alloy electrode; the prepared high-potential aluminum alloy anode material is high in electrochemical activity; processing is easy, cost is low, and pollution is avoided; the corrosion resistance is good; the hydrogen evolution rate is low, the discharge potential is stable and the electrode utilization rate is high.

The utility model discloses a lifesaving position indicating lamp with high environmental adaptability and a lifesaving system, and relates to the field of lighting equipment. The lifesaving position indicating lamp with the high environmental adaptability comprises a position indicating lamp body, a seawater battery assembly and a wire connecting the position indicating lamp body and the seawater battery assembly, the seawater battery assembly comprises a battery shell with the two ends provided with a positive electrode and a negative electrode respectively, and the two ends of the battery shell are connected with a positive electrode protection cap and a negative electrode protection cap which are arranged on the positive electrode and the negative electrode in a sleeving mode respectively. At least one excitation mechanism is arranged in the battery shell; the excitation mechanism is used for generating gas when the excitation mechanism is thrown into seawater and collided, so that the positive electrode protective cap and the negative electrode protective cap are separated from the battery shell, and seawater enters the battery shell to activate the seawater battery assembly to lighten the position indicating lamp body. The lifesaving position indicating lamp with strong environmental adaptability and the lifesaving system can prevent external steam from entering the battery shell to excite the seawater battery assembly in a long-time storage process, and ensure normal use after long-time storage in different storage environments.

The utility model discloses a self-heating life jacket which comprises a life jacket body and a self-heating device, the life jacket body is provided with a containing cavity, the self-heating device comprises a chemical material heating assembly and a seawater battery heating assembly, and the chemical material heating assembly and the seawater battery heating assembly are arranged in the containing cavity. The outer walls of the chemical material heating assembly and the seawater battery heating assembly are respectively contacted with the life jacket main body so as to transfer heat to the life jacket main body. According to the self-heating life jacket provided by the utility model, the self-heating device of the life jacket can be quickly started in a dual-heating mode, and the technical problems that the existing self-heating life jacket is long in response time, so that the starting time is longer, and rescue is not facilitated are solved.

"Electricity Generation Device" Electricity generation device (1), referred to as device (1), comprising a cell (2), said cell comprising two compartments (31, 32), each compartment comprising an adsorption surface (41, 42) for a predetermined ion, and said two compartments are separated by a porous membrane (5) permeable to at least the predetermined ion. Each of the two compartments is intended to receive a liquid (L1, L2) having a different concentration of the predetermined ion. The cell comprises two terminals (61, 62) respectively connected to the adsorption surfaces of the two compartments and is capable of generating a potential difference Eocv between its two terminals in the presence of the respective liquids in the two compartments.The device (1) further includes a voltage generator (7), referred to as generator (7), comprising two terminals (71, 72) of which one terminal (71) is connected to a terminal (62) of the cell, said generator being arranged to deliver a potential difference E0 between its two terminals; the other terminal (72) of the generator constitutes a terminal (82) of the device and the other terminal (81) of the device is constituted by the other terminal (61) of the cell. Figure for the abbreviation: Figure 1.

The purpose of the present invention is to provide an electrode for a power generation device, the electrode being excellent in terms of detectability, wettability, and water resistance. The present invention provides an electrode for a power generation device, the electrode comprising a support base material, and an electrode layer that is provided on at least a part of the surface of the support base material. The electrode layer contains a typical metal compound, a conductive material, and a binder.

The application discloses a high-capacity negative electrode material of a secondary seawater battery and a preparation method of the material. The material has low cost, high specific capacity and good cycle stability. The secondary seawater battery negative electrode Fe2O3 material is prepared by an electrochemical deposition method, and the preparation process is simple and fast, and is suitable for industrialized mass production. The material can be used as the negative electrode material of a high-performance secondary seawater battery, and has important significance for developing safe, environment-friendly, low-cost and large-scale energy storage technology suitable for marine environment.

The invention discloses a sealing device for a magnesium / cuprous chloride seawater battery, which comprises a lower shell, an upper shell, a sealing assembly and an opening assembly, the upper shell and the lower shell are respectively provided with an inlet hole and an outlet hole, the upper shell and the lower shell form a cabin body for placing the magnesium / cuprous chloride seawater battery, and an outer cabin battery is placed outside the lower shell; the sealing assembly comprises a ball plug for sealing the access hole, a tension spring and a pull rope, the opening assembly comprises a battery lead and a heating wire, and the heating wire is in contact with the pull rope; the outer bin battery supplies power to the heating wire after entering water and being activated, the heating wire fuses the pull rope, the tension spring rebounds to open the ball plug to open the access hole, and external seawater enters the inner bin to activate the magnesium / cuprous chloride seawater battery.

The application relates to the technical field of seawater activated batteries. A kind of battery bipolar plate biomimetic flow guide structure design includes upper bottom plate;Lower bottom plate, which is provided with three first-stage inlet flow channel openings and a plurality of second-stage inlet flow channel openings, one end of the three first-stage inlet flow channel openings is communicated with a seawater inlet, and the other end of each first-stage inlet flow channel opening is communicated with at least one second-stage inlet flow channel opening;In addition, the lower bottom plate is provided with three first-stage outlet flow channel openings and a plurality of second-stage outlet flow channel openings, one end of the three first-stage outlet flow channel openings is communicated with a seawater outlet, and the other end of each first-stage outlet flow channel opening is communicated with at least one second-stage outlet flow channel opening;Reaction zone, arranged downstream of the plurality of second-stage inlet flow channel openings, so that seawater flowing out through the plurality of second-stage inlet flow channel openings enters the reaction zone, and arranged upstream of the plurality of second-stage outlet flow channel openings, so that seawater after reaction in the reaction zone enters the second-stage outlet flow channel openings. The above structure has more branch flow channels and flow channel openings, can increase branch pipe resistance, and reduce the flow dead zone area of the reaction zone.

The invention discloses a detection device and a detection method for liquid injection uniformity of a seawater stack cell, the detection device comprises a liquid storage tank, a liquid conveying pipe and a pump assembly, and detection liquid is stored in the liquid storage tank; one end of the infusion tube is communicated with the liquid storage tank, and the other end is connected with the stack cell; the pump assembly is arranged on the liquid conveying pipe and used for driving the detection liquid to flow into the stack type battery. The detection method comprises the following steps: cutting off a shell on one side of an outlet of an internal flow channel of the stack cell, placing the stack cell in a manner that an opening faces upwards, and then communicating an infusion tube with one side of an inlet of the internal flow channel of the stack cell; the pump assembly is adjusted to drive the detection liquid to flow into the stack cell at a certain output power, and the height and form of the detection liquid sprayed from the top of the stack cell are recorded. Compared with the prior art, the flow state of each unit piece is observed by detecting the height and form of the sprayed liquid, the method is simple, visual and real, and the optimal flow matched with the liquid injection uniformity can be efficiently found.

The invention discloses a high-activity silver oxide cathode material and a preparation method and application thereof, and belongs to the technical field of cathode materials. The preparation method of the high-activity silver oxide cathode material comprises the following steps: synthesizing a silver nanowire active substance with a high specific surface area by adopting a one-pot polyol method; pressing and sintering the silver nanowire active substance into a silver blank by adopting a vacuum hot pressing sintering technology; carrying out multi-stage constant-current charging formation on the silver blank in a hanging lug type single formation mode; and washing the formed electrode with absolute ethyl alcohol and deionized water for multiple times, drying to obtain a silver oxide electrode, and carrying out a discharge performance test. The obtained silver oxide electrode is large in specific surface area, high in porosity and easy to fully contact and react with electrolyte, the utilization rate of electrode active substances and the electrode discharge efficiency are improved, the battery activation time is shortened, and the silver oxide electrode is suitable for being applied to underwater high-power energy consumption equipment.

The invention relates to the technical field of batteries, in particular to a silica gel shell for a corrosion-resistant seawater battery and a preparation method and an injection molding tool of the silica gel shell. The tool comprises a bottom plate, a cover plate, a laminated plate and a fence surrounding the periphery of the bottom plate, partition ribs are arranged in a space defined by the fence and the bottom plate, the partition ribs are lower than the top of the fence, a pouring runner is formed between the partition ribs, hole forming columns are arranged in the pouring runner, and the laminated plate is horizontally and movably arranged on the inner side of the fence. When in use, the silica gel is filled and then attached and pressed on the surface of silica gel; during use, the cover plate is located above the laminated plate and detachably covers the top of the fence, and through holes allowing the hole forming columns to penetrate through are formed in the laminated plate and the cover plate.

Proposed are a submarine power supply system and power supply method using a seawater battery, the system having a chargeable / dischargeable battery that is arranged on the outside of a pressure hull, so as to use, as a cathode, sodium ions dissolved in seawater, and thus produce electric power, which is then used as electric power required for operating a submarine.

The utility model discloses a seawater battery device which comprises a plurality of battery units which are connected in series, and each battery unit is independently arranged and is respectively provided with a seawater inlet and a seawater outlet. The battery unit comprises a shell unit, a positive pole plate and a negative pole plate, the positive pole plate and the negative pole plate are packaged in the shell unit, and an independent space defined by the positive pole plate, the negative pole plate and the shell unit serves as an electrolytic tank of the battery unit. The seawater entering the battery is only subjected to electrolytic reaction in the corresponding battery unit and does not flow to other battery units, so that the phenomenon of'current leakage 'between electrode plates of a traditional seawater battery caused by series connection of multiple groups of single battery units is effectively reduced, and the working performance and the use efficiency of the battery are improved. Meanwhile, the electrode plates are packaged in the shell, so that the effects of supporting the shell and separating the internal space of the shell can be achieved; and the shell adopts an assembled structure, so that the battery is simple and compact in design, and the voltage and discharge efficiency of the seawater battery can be improved.

The application discloses a kind of high-activity silver oxide cathode material and its preparation method and application, belong to cathode material technical field.The preparation method of high-activity silver oxide cathode material includes: using one-pot polyol method to synthesize high specific surface area silver nanowire active substance;Vacuum hot-pressing sintering technology is used to press sinter silver nanowire active substance into silver blank;Silver blank is charged by multi-stage constant current charging by ear type single mode;After formation, silver electrode is cleaned with anhydrous ethanol, deionized water multiple times and dried to obtain silver oxide electrode to test discharge performance.The silver oxide electrode obtained by the application has a large specific surface area, high porosity, and is easy to fully contact and react with electrolyte, improving the utilization rate of electrode active material and electrode discharge efficiency, shortening the battery activation time, and suitable for application in underwater high-power energy equipment.

The invention relates to the technical field of seawater batteries, in particular to a cell structure for a rapid water-activated battery, which comprises: an electrode holder which is tubular, one end of the electrode holder is provided with an exhaust hole, and the other end of the electrode holder is provided with an auxiliary liquid inlet groove; the battery body is wound on the outer surface of the electrode holder, and an anode lead-out wire and a cathode lead-out wire of the battery body penetrate through the exhaust holes; and the positioning sheet is mounted on the electrode holder and is used for fixing the battery body on the electrode holder in the inner cavity of the shell of the water activated battery, so that the battery body is prevented from moving or being extruded in the inner cavity of the shell of the water activated battery. According to the scheme, the problems that in the activation process of a traditional seawater battery, an internal flow channel of the battery is unreasonable in design, when electrolyte (such as seawater) enters, air is compressed, the electrolyte is prevented from rapidly making contact with an electrode, and activation is slow are solved.

The invention discloses a flexible solute supplementing device and an application method, the flexible solute supplementing device comprises a flexible packaging body, a supplementing solute body and a detonating cord, the flexible packaging body is divided into a plurality of independent subdivision units, the volume of each subdivision unit is variable, the supplementing solute body is packaged in each subdivision unit, and the volume of the supplementing solute body can be changed. The detonating cord is pre-buried in the middle of each supplementary solute body, and the detonating cord is configured to be capable of damaging the flexible packaging body of the subdivision unit where the detonating cord is located after being activated, so that an external solvent enters and dissolves the supplementary solute bodies under the action of pressure gradient, and solute supplementation is achieved. The technical problems that an existing solute supplementing device is large in size, heavy in weight, incapable of adapting to complex internal structure space layout and incapable of accurately matching the supplementing amount, and consequently solute waste or insufficient supplementing is caused are solved.

The application relates to a magnesium seawater battery device, belonging to the technical field of electrochemical energy sources. The device comprises a preset number of positive electrodes and negative electrodes which are installed on a support structure, characterized in that the positive electrodes and the negative electrodes are all in the shape of straight strips and are all perpendicular to the same reference plane; the positive electrodes are arranged in a ring shape, and the negative electrodes are arranged in a ring shape; all the positive electrodes are arranged in an outer ring, and all the negative electrodes are arranged in an inner ring; or all the positive electrodes are arranged in the inner ring, and all the negative electrodes are arranged in the outer ring; the positive electrodes are carbon brush electrodes, and the negative electrodes are magnesium alloy negative electrodes; the positive electrodes and the negative electrodes are both connected to a current collection module. The device can significantly improve the flowability of seawater, thereby improving the contact efficiency of the electrodes and the electrolyte.

An electrochemical cell includes a cathode including a porous scaffold and catalyst on the porous scaffold, an anode spaced apart from the cathode, a first liquid composition separated from the anode by the cathode, and a second liquid composition between the anode and the cathode, wherein the first liquid composition includes an electrolyte and a salt, the salt including a cation and a first anion, the first anion being electrochemically reduced to a second anion when flowing through the cathode, and the second liquid composition includes the electrolyte and the second anion.