37results about How to "No electrochemical reaction" patented technology

The invention relates to an electrochemical composite decomposition manufacturing method and an electrochemical composite decomposition manufacturing device of a laser light tube electrode. Solid pulse laser is changed into an annular hollow laser beam with central light strength as zero by a light beam modulating system; compression shock is generated for electrochemical deposition in a non-solid light tube electrode by utilizing annular laser to irradiate expansion of plasma; decomposition stress is removed, a cathode reaction gas is exhausted, and material density is improved; moreover, the deposition reaction is only generated on the light beam with central laser energy as zero, so that the electrochemical composite deposition processing, repairing and surface performance strengthening which are high in quality and good in locality are realized. The electrochemical composite decomposition manufacturing method and the electrochemical composite decomposition manufacturing device disclosed by the invention are suitable for processing, repairing and surface performance strengthening of micro high-performance metal components, and belong to the field of micro quick forming and processing.

A quaternary ammonium salt ionic liquid of the present invention and its preparation and application methods belong to quaternary ammonium compounds, and its molecular composition is N, N, N-trimethyl-N-sulfobutyl-ammonium bisulfate, and its molecular formula is [HSO3-b -N(CH3)3]HSO4, the structural formula is as follows: the quaternary ammonium salt ionic liquid of the present invention is non-corrosive equipment and environment-friendly, and the quaternary ammonium salt ionic liquid catalyst of the present invention is used for nitrobenzene catalytic hydrogenation to synthesize p-amino The phenol reaction is a liquid phase method, the reaction temperature is 60-130° C., and the PAP yield reaches 19.5-88%.

The invention belongs to the technical field of windshield water, and particularly relates to environment-friendly automotive windshield water which is main prepared from the following raw materials in parts by weight: ethanol, ethylene glycol, glycerin, sodium carboxymethyl cellulose, polyacrylamide, acrylate, ionic liquid, dibutyl dithiocarbamate nickel, and the like. The environment-friendly car windshield water provided by the invention has no damage to automotive glass and organic membrane; components such as the sodium carboxymethyl cellulose and polyvinylpyrrolidone are added, so that rubber wiper blades have a function of mildew proofing and elasticity recovering, the service life of the wiper blades is effectively prolonged, and water can be wiped more thoroughly; sodium sulfate and urea are cooperated to quickly remove frost and snow on glass surfaces.

The invention provides a Gel capacitance sensor and method for measuring plantar pressure and dynamic change. The sensor comprises an insulating medium. Two ion gel arrays are pasted to the upper and lower surfaces of the insulating medium. A capacitor is formed by ion gel, the insulating medium, and ion gel. A layer of insulating medium is respectively pasted to the upper and lower surfaces of each of the ion gel arrays. Metal electrodes are pasted to the connection parts of the ion gel and the insulating mediums. An electron-ion gel mixed current loop is formed by the metal electrodes and the ion gel. A button battery, a control acquisition module and a Bluetooth module are integrated on a circuit board, the metal electrodes are connected through wires, and the button battery supplies power to the ion gel. When the surface pressure and period of the sensor are changed, a measurement signal is transmitted to the Bluetooth module, then a signal is sent to a mobile phone, and a mobile phone program carries out calculation to obtain plantar pressure distribution and change data with time. The gel material used by the capacitance sensor has the advantages of softness, transparency, small weight and thickness, easy processing, accurate measurement, low cost, and wide application.

The invention discloses an adjustable optical switch, which comprises a first transparent substrate (1), a second transparent substrate (8), first liquid (3) and second liquid (4). The adjustable optical switch is characterized in that: the second transparent substrate (8) is provided with a second electrode (7); the first liquid (3) and the second liquid (4), which are non-conducting, are accommodated between the first transparent substrate (1) and the second transparent substrate (8); and the second transparent substrate (8) is provided with a partition wall (5). Compared with the optical switch adopting the traditional electrowetting technique, the adjustable optical switch of the invention has the advantages of no need of insulating layer, simple structure and low driving voltage.

The invention is applicable to the technical field of a lithium battery and provides a lithium Ni-Co aluminate positive electrode material co-doped with negative ions and positive ions and a preparation method of the positive electrode material. The method comprises the steps of firstly, pre-sintering a lithium Ni-Co aluminate NCA precursor to form a porous honeycomb quasi-spherical pre-sintered precursor by employing a pre-sintering method of spraying a sodium bicarbonate solution and an F solution; secondly, preparing a solution from a Mg source and Nb source according to a proportion, mixing with the pre-sintered precursor under a water system, and effectively guiding a Mg and Nb solution into a positive electrode material substrate through honeycomb holes; thirdly, spraying an F ion regulation agent solution during material mixing and lithium supplement by a high mixing machine so that materials are fully and uniformly mixed; and finally, performing high-temperature sintering to make a finished product crystallized so as to obtain the lithium Ni-Co aluminate positive electrode material co-doped with the negative ions and the positive ions. In the positive electrode material, positive ion mixing can be reduced by Nb<4+>, polarization can be reduced by Mg<3+>, the electrochemical performance is improved, no electrochemical reaction of Mg<3+>/Nb<4+> is generated during the charging process, no valence-state change is generated, and an effect of stabilizing a crystal structure can be achieved; and moreover, oxygen can be fixed by F negative ion doping, oxygen precipitationis reduced, the material structure is stabilized, and the cycle property is improved.

The invention relates to a novel gel film capacitive sensor for measuring the full-mouth tooth occlusal force and a method thereof. Each of the upper and lower surfaces of the insulating medium is pasted with a layer of ionic gel serving as electrolyte, two kinds of materials are soft and transparent, ionic gel is pasted on several points to form several capacitors which can change along with the occlusal force, the capacitors are connected in parallel, a layer of insulating medium is pasted on the upper surfaces of the capacitors, and a layer of insulating medium is pasted on the lower surfaces of the capacitors, influence of external parasitic capacitors is avoided, buses are connected to an acquisition card , and the total capacitance value under the action of full-mouth tooth occlusal force can be obtained, and therefore the full-mouth tooth occlusal force can be measured; the capacitive sensor resultant force measuring device can obtain the full-mouth tooth occlusal force by means of a simple parallel circuit, but a piezoresistive resultant force measuring device only can measure a single circuit, and cannot measure the cumulative sum, by employing the novel gel material, the tooth occlusion case can be simulated as real as possible to obtain the full-mouth tooth occlusal force, and the novel gel material has good repeated measurement precision, and is low in cost and easy to process, and is disposable, clean and sanitary.

The invention discloses a preparation method of a metal lining ring-shaped composite cylinder. The preparation method comprises the following steps: (S1) winding aramid-fiber dry yarns for multiple times on the outer wall of a clean and smooth ring-shaped metal lining by adopting spiral winding and circumferential winding so as to obtain a plurality of winding layers; (S2) repeatedly preparing high-strength and easy-dipping resin adhesive and brushing the resin adhesive on the plurality of winding layers in the step (S1) for multiple times so as to obtain a semi-finished composite cylinder product; (S3) carrying out surface coating on the semi-finished product in the step (S2) so as to obtain a semi-finished product to be cured; and (S4) carrying out curing on the semi-finished product to be cured in the step (S3) to obtain the metal lining ring-shaped composite cylinder. The preparation method disclosed by the invention has the advantages that the process is simple, the matching property of the metal lining and a composite material is good, no electrochemical corrosion is caused and the fatigue performance of the prepared composite cylinder is excellent.

The invention discloses a plate connecting method capable of using prepressing holes of a soft rivet column and riveting compounding. The plate connecting method comprises the following steps: a connecting point is generated on an upper plate and a lower plate by adopting the prepressing holes, mechanical deformation is generated between the upper plate and the lower plate to form embedment, and thus the upper plate is connected with the lower plate together; the connecting point formed by connecting the upper plate and the lower plate through the prepressing holes is reversely buckled up on the rivet column to ensure the rivet column to be arranged in a pit formed in the upper plate; the upper plate, the lower plate and the rivet column are arranged between an upper mold and a lower mold; the upper mold moves downwards through a riveting process and extrudes the upper plate, the lower plate and the rivet column with matching of the lower mold, so that the rivet column has plastic deformation, is embedded into the upper plate and presses the upper plate to be further embedded into the lower plate at the connecting point to ensure increase of the connecting strength; and the height of a salient formed on the lower plate lowers under the pressure action of the upper mode. The plate connecting method has the advantages of high connecting strength and low salient height.

The invention relates to an oil-water separator, in particular to an integrally-formed high-molecular plastic oil-water separator and a mold. The integrally-formed high-molecular plastic oil-water separator comprises a separator body, a filter plate, a filter basket and a top plate which are integrally formed by high-molecular plastic through injection molding, wherein the separator body is of a frame-shaped structure with an opening in the top, the separator body is provided with a water inlet pipe and a water outlet pipe, a clamping groove is formed in the inner side wall of the separator body, the filter plate with a cavity array is inserted into the clamping groove to be fixedly connected, a notch matched with the top plate is formed in the top of the separator body, and the filter basket is arranged in the separator body and close to the water inlet pipe. The raw material is high-molecular plastic, the advantages of high-strength mechanical property, good toughness, strong weather resistance, long service life and the like are achieved, and electrochemical reaction is not generated in the using process. The injection molding process is adopted, one-time injection molding is achieved, manpower and time cost is reduced, the surface and the connector are flat and smooth, and the use experience feeling is better.

The invention provides a full life cycle operation mode of an injectable/extractable lithium battery. With combination of the characteristics of the injectable/extractable lithium battery, no electrolyte is contained in the battery isolation layer when the battery leaves the factory so that no electrochemical reaction occurs inside the battery when the battery is transported to a user end or a transfer station and the battery can be safely transported as a non-dangerous product; meanwhile, the electrolyte in the battery is extracted out through a liquid extraction port and the safety agent isinjected when the life of the battery is terminate and scrap treatment is required so that the scrap battery does not generate electrochemical reaction in the process of transportation to the recycling station and can be safely transported as the non-dangerous product. The full life cycle operation mode of the injectable/extractable liquid lithium battery comprises a series of steps such as "battery leaving the factory-safe transportation-battery activation-safe operation-maintenance regeneration/safe scrap-safe transportation-recovery treatment-regeneration manufacturing" and the like.