1132 results about "Auxiliary electrode" patented technology

The invention relates to the technical field of hydrogen fuel cells, in particular to an air-cooled reactor automatic loading line for hydrogen fuel cell stack production, which comprises a rack, a storage rack, a material moving mechanism and two conveyor belts, the material moving mechanism comprises a support frame, a driving assembly and a pressing assembly, and electrode plates and bipolar plates are alternately conveyed to the material moving mechanism through the two conveyor belts. The electrode plate or the bipolar plate is supported through the sliding rollers at the bottoms of the overturning frames, and then the two overturning frames are synchronously driven to move through the driving assembly, so that the electrode plate or the bipolar plate naturally falls between the two overturning frames. The auxiliary electrode plate or the bipolar plate can stably fall on the storage rack in cooperation with downward pressing of the downward pressing assembly; the process does not need manual intervention, and the accuracy and regularity of stacking are ensured. The automatic stacking reduces the dependence on manual operation, reduces the labor cost, and further reduces the rework cost caused by unqualified materials due to the reduction of the surface damage of the electrode plates and the bipolar plates.

An OLED display panel and a manufacturing method thereof are provided. In the OLED display panel, the first auxiliary electrode and the second auxiliary electrode arranged at intervals are arranged in the source-drain layer, the third auxiliary electrode is arranged above the first auxiliary electrode and the second auxiliary electrode, and the third auxiliary electrode covers and connects the first auxiliary electrode and the second auxiliary electrode, which can alleviate the problem of uneven display brightness in different regions on the OLED display panel caused by the large impedance of the first cathode.

A display device includes: a substrate including a light emitting area and a non-light emitting area; an anode electrode on the light emitting area of the substrate; a pixel defining layer on the non-light emitting area of the substrate and defining a first opening; a first auxiliary electrode on the pixel defining layer; a light emitting layer on the anode electrode and spaced apart from the first auxiliary electrode; a cathode electrode on the light emitting layer and the first auxiliary electrode; a cathode capping layer on the cathode electrode; a spacer on the cathode capping layer and defining a second opening; and a second auxiliary electrode on the cathode capping layer and the spacer.

The embodiment of the invention discloses a display panel and a preparation method thereof and a display device.The display panel comprises a substrate, a first electrode, an auxiliary electrode, a pixel defining layer and an isolation structure, the first electrode is located on one side of the substrate, and the auxiliary electrode is at least in contact with the edge of the first electrode; the pixel defining layer is provided with a plurality of first openings exposing the auxiliary electrodes and / or the first electrodes. The isolation structure comprises a second opening, and the vertical projection of the first electrode on the substrate is located in the vertical projection of the second opening on the substrate. According to the scheme, the first electrode is contracted in the second opening defined by the isolation structure, the auxiliary electrode provides the electric signal for the first electrode, and the flatness of the pixel defining layer and the isolation structure can be improved.

The invention provides a preparation method of a nickel-based composite oxygen evolution anode for alkalescent electrolyte. According to the invention, nickel-based alloy is used as substrates, two same substrates are respectively used as a working electrode and an auxiliary electrode, two-electrode system electrochemical oxidation reduction treatment at room temperature is carried out in a mixed solution of phosphate, carbonate and chloride, and two reconstructed nickel-based composite oxygen evolution electrodes are obtained at the same time. In the electrochemical oxidation process, nickel ions and other metal (Fe, Co, Cr and Mn) ions are dissolved out from the nickel-based alloy under the etching assistance of chloride ions; in the electrochemical reduction process, water on the electrode is reduced to form hydroxyl. Under continuous oxidation reduction, substance reconstruction is carried out to generate a composite catalyst layer of phosphate, carbonate and hydroxide of nickel and other metals, so that not only can the oxygen evolution activity be improved, but also metal dissolution and corrosion passivation when the catalyst is used in a weakly alkaline solution can be inhibited, and the durability of the electrode is greatly improved.

The invention relates to a preparation method of a microelectrode and an in-situ electrochemical Raman spectrum pool, the in-situ electrochemical Raman spectrum pool comprises a base, a working electrode, an auxiliary electrode, a reference electrode and an electrode fixing table, the base is provided with an electrolytic tank and a limiting groove, the electrode fixing table is installed on the base, the electrode fixing table is provided with a plurality of limiting holes, and the working electrode and the auxiliary electrode are arranged on the base. The working electrode is mounted on the limiting groove, extends out of the corresponding limiting hole of the electrolytic tank and is exposed; and the working electrode comprises an electrode base and the microelectrode prepared by the preparation method of the microelectrode. According to the in-situ electrochemical Raman spectrum cell, the current collector and the micro-electric body are packaged in the microelectrode in the hose together, so that the exposed part of the current collector of the microelectrode is positioned outside the electrolyte of the electrolytic cell, and the exposed part of the micro-electric body of the microelectrode is positioned in the electrolyte of the electrolytic cell; therefore, the interference of the current collector on a microelectrode signal is effectively avoided; and the electrolytic tank without a bottom hole is formed, so that the electrolyte in the electrolytic tank is further prevented from leaking.

The invention belongs to the technical field of metal surface treatment, and relates to a preparation method of a metal surface lattice passivation corrosion-resistant film, which comprises the following steps of: polishing and cleaning a metal surface, constructing a three-electrode system, and applying cathode voltage to the metal to carry out surface modification treatment so as to realize metal surface lattice reconstruction, thereby obtaining the metal surface lattice passivation corrosion-resistant film. A compact adsorption layer of corrosion inhibition molecules is formed; the three-electrode system comprises metal as a working electrode, a platinum sheet as an auxiliary electrode and silver / silver chloride or saturated calomel as a reference electrode. According to the method, metal surface lattice reconstruction is achieved through cathode voltage treatment, the technical thought of traditional anodic oxidation is subverted, the passive film forms a regular lattice structure, defects in the film are greatly reduced, permeation of a corrosion medium is effectively blocked, and the corrosion resistance of metal is remarkably improved.

The invention relates to a phase change regulation and control Van der Waals junction type transistor infrared detection chip and a preparation method and application thereof. The unit structure of the Van der Waals junction type transistor infrared detection chip comprises a two-dimensional material layer, a metal electrode, a vanadium dioxide micro-nano structure, an electrical channel and a CMOS reading circuit from top to bottom. The metal electrode comprises a metal grid electrode, an auxiliary electrode, a metal source electrode and a metal drain electrode; two ends of the vanadium dioxide micro-nano structure are respectively connected with the metal grid electrode and the auxiliary electrode, and two ends of the two-dimensional material layer are respectively connected with the metal source electrode and the metal drain electrode; and the electrical channel is connected with the metal electrode and the CMOS reading circuit on the substrate. According to the infrared detection chip prepared by the invention, the response speed of a device is remarkably improved, the response range is widened, ultra-sensitive detection is realized, a self-powered infrared detection chip can be realized, and the infrared detection chip has important significance for reducing the power consumption and the cost of the device.

An electronic device includes a sensor layer and a sensor driver. The sensor layer includes a first electrode, a first auxiliary electrode overlapped with the first electrode, a first loop electrode overlapped with the first electrode, a first loop trace line electrically connected to a first end portion of the first loop electrode, and a second loop trace line electrically connected to a second end portion of the first loop electrode that is spaced apart from the first end portion. The first loop electrode, the first loop trace line, and the second loop trace line are connected in a first closed loop.

An electronic device includes a sensor layer and a sensor driver configured to operate in one of a first mode to sense an input by a touch and a second mode to sense an input by a pen. The sensor layer includes a plurality of first electrodes, a plurality of second electrodes, a third electrode having a plurality of first auxiliary electrodes overlapping the plurality of first electrodes, and a fourth electrode having a plurality of second auxiliary electrodes overlapping the plurality of second electrodes. In the second mode, the sensor driver is configured to receive a signal from at least one electrode among the plurality of first electrodes, the plurality of second electrodes, the third electrode, and the fourth electrode.

The invention provides a non-invasive high-precision blood glucose sensor and a preparation method thereof. The blood glucose sensor comprises two symmetrical sensing areas prepared on a flexible substrate layer, each sensing area comprises a glucose sensor working electrode, a glucose sensor auxiliary electrode / reference electrode, a sodium ion sensor working electrode, a pH sensor working electrode and a sodium ion / pH sensor common reference electrode; the electrodes are distributed in an axial symmetry mode along the central axis of the sensor plane and are prepared through silk-screen printing. Due to the symmetrical structural design of the blood glucose sensor, the electrode polarity of the extraction electrode can be exchanged during two adjacent times of extraction so as to reduce electrode consumption and skin stimulation, the change of the extraction amount of intercellular fluid can be corrected by the integrated sodium ion and pH sensor, and therefore high-precision blood glucose monitoring is achieved.

A display device includes a substrate including a plurality of sub-pixels; a planarization layer disposed on the substrate and including a trench adjacent to the plurality of sub-pixels; a plurality of light emitting elements disposed in the plurality of sub-pixels and sharing an organic layer and a cathode; and an auxiliary electrode disposed in the trench and connected to the cathode. A side surface of the auxiliary electrode has a concave shape. The organic layer has an open portion that is disconnected by the auxiliary electrode. Therefore, it is possible to minimize current leakage through the common layer and prevent an increase in resistance of the cathode by the auxiliary electrode.

A display device includes a bank layer disposed on an emission area of a substrate and comprising at least one metal layer; a pixel defining layer disposed on the bank layer and defining an opening; and a light-emitting element disposed on the pixel defining layer and comprising a light-emitting layer, a cathode electrode, and an auxiliary electrode. The bank layer includes a first side surface facing a non-emission area of the substrate; and a tip portion protruding further toward the non-emission area than the first side surface. A portion of the tip portion of the bank layer facing the non-emission area is inclined in a direction intersecting the substrate.

The invention relates to the technical field of plasma, and discloses an electrode fault recognition system and method and a machine readable storage medium. The system comprises: an auxiliary electrode; the electrode displacement device is used for moving the auxiliary electrode to a preset position which is a preset distance away from the to-be-identified electrode, and the auxiliary electrode at the preset position and the to-be-identified electrode form a to-be-identified electrode pair; the voltage detection device is used for detecting the initial discharge voltage of the to-be-identified electrode pair in a preset detection environment when the to-be-identified electrode is in a detection state and the auxiliary electrode moves to a preset position, and the detection state is a state that the to-be-identified electrode discharges in response to the initial discharge voltage; and the control device is used for determining whether the to-be-identified electrode has a fault or not according to the initial discharge voltage and the safety threshold interval. According to the invention, fault detection of any electrode can be realized without dismounting the plasma reactor, the judgment result is more accurate and reliable, and the period and cost of manual maintenance are reduced.

The invention provides a flexible electrochemical sensor, a preparation method and application. The flexible electrochemical sensor comprises a flexible substrate, three electrodes, a conductive strip, an external wire and a multi-cavity polypyrrole film, the three electrodes comprise a working electrode, a reference electrode and an auxiliary electrode and are printed on the flexible substrate; the conductive strip is connected with the three electrodes, the conductive strip is packaged through an insulating tape, and only working areas of the three electrodes are exposed; the external wire is pasted on the conductive strip through conductive silver adhesive. The multi-cavity polypyrrole film is modified on the surface of the working electrode. The technical problems that existing equipment is insufficient in portability, cannot meet the requirements of on-site rapid screening and real-time analysis of large-batch samples, and is difficult to realize on-site mobile detection are solved. The invention provides a feasible technical means for portable, mobile and on-site rapid detection of high-harm heavy metal ions such as Hg < 2 + > and Cd < 2 + >, and the method is simple to operate and extremely low in cost.

A display device includes a substrate including a light-emitting area and a non-light-emitting area, a pixel-defining layer at the non-light-emitting area, and defining a first opening, a bank layer above the pixel-defining layer, and defining a second opening, an auxiliary electrode above the bank layer, and entirely covering the bank layer, a first cathode electrode at the light-emitting area, and contacting the auxiliary electrode, and a first quantum dot layer above the first cathode electrode.

The invention relates to a microfluidic reactor for electrocatalytic determination of chemical oxygen demand, and belongs to the field of environmental monitoring. In the reactor, to-be-detected samples are injected from a sample inlet positioned at the front end of a liquid inlet and flow into the reactor formed by stacking three layers of components from the liquid inlet below along with electrolyte, and the to-be-detected samples positioned at different horizontal heights turn along with liquid flow and finally reach the surface of a planar anode at the bottom under the action of a pinch plate distributed with a micro cone group; and the water flows upwards through a hole in one end of the top side of the buckle plate, passes through the auxiliary electrode with the hole and finally flows out of the electrolytic tank through a water outlet in the top. Organic matters in the to-be-detected sample are subjected to electrochemical oxidation reaction under the action of the catalyst on the surface of the planar anode at the bottom of the reactor, and a generated electric signal is used for quantitatively determining the chemical oxygen demand of the to-be-detected water sample. In the invention, the pinch plate distributed with the micro cone group can strengthen organic matters to break through stable horizontal laminar mass transfer, so that the organic matters in the sample to be detected fully reach the surface of the plane anode to generate electrochemical oxidation reaction, thereby improving electric signals and lower limit of detection. According to the characteristics, a more stable and accurate electric signal can be obtained when the reactor is used for measuring the chemical oxygen demand, and the linear range of the measurement is widened, so that the efficient and accurate measurement of the chemical oxygen demand in a sample to be measured is realized.

A display device is provided. The display device includes a substrate, a circuit layer, and an element layer. The circuit layer includes a light emitting pixel driver, a data line, a first auxiliary line extending in a first direction, a second auxiliary line extending in a second direction, a mesh auxiliary line extending in the second direction and adjacent to a boundary between the first light emitting pixel driver and the second light emitting pixel driver, a first connection auxiliary electrode in the first light emitting pixel driver and connected to one of the second auxiliary lines, a second connection auxiliary electrode overlapping the first connection auxiliary electrode and electrically connected to the first connection auxiliary electrode, a third connection auxiliary electrode connected to one of the first auxiliary lines, and a fourth connection auxiliary electrode overlapping the third connection auxiliary electrode and electrically connected to the third connection auxiliary electrode.

A display device is provided. A display device includes a pixel electrode above a substrate, a pixel-defining layer above the substrate, and having a portion above the pixel electrode, an emissive layer above the pixel electrode, a common electrode above the emissive layer, a first bank above the pixel-defining layer, a second bank above the first bank, and protruding beyond a side surface of the first bank, and an auxiliary electrode above the pixel-defining layer.

The invention belongs to the technical field of metal material and coating performance detection, and particularly relates to a high-pressure hydrogen permeation testing device and method.The testing device comprises a gas phase system and an electrochemical testing system, and the gas phase system comprises a high-pressure kettle, a hydrogen cylinder, a nitrogen cylinder and a vacuum treatment device; the autoclave is sealed and communicated with the hydrogen cylinder, the nitrogen cylinder and the vacuum treatment device; a first test port is formed in the upper part of the autoclave; the electrochemical testing system comprises an electrochemical workstation and an electrolytic tank; the electrolytic tank is connected to the upper part of the autoclave; the electrolytic tank is provided with a reference electrode and an auxiliary electrode, the lower part of the electrolytic tank is provided with a second test port, and the first test port and the second test port are connected with closed rubber rings and jointly clamp a sample to be tested through the closed rubber rings; the electrochemical workstation is electrically connected with the auxiliary electrode, the reference electrode and the to-be-tested sample, so that the service condition of the to-be-tested sample can be accurately simulated, the hydrogen permeation process in the actual working condition can be more truly reflected, and the accuracy of a hydrogen permeation test experiment is improved.

A display panel includes a base layer, a circuit element layer, and a light-emitting element layer. The circuit element layer includes a power electrode, and an auxiliary electrode disposed on a side surface of the power electrode. The light-emitting element layer includes a pixel defining film that defines a pixel opening, a conductive partition wall disposed on the pixel defining film, a lower electrode disposed in the pixel opening, a light-emitting pattern disposed on the lower electrode, and an upper electrode disposed on the light-emitting pattern. The conductive partition wall includes a first conductive layer disposed on the pixel defining film, and a second conductive layer, and a side surface of the second conductive layer more protrudes than a side surface of the first conductive layer. The upper electrode is electrically connected to the power electrode via the auxiliary electrode.

The invention discloses a display panel, a preparation method thereof and a display device, and relates to the technical field of display. The display panel comprises a substrate, a pixel defining layer, a first pixel isolation column, a plurality of light emitting units, an electrode patterning layer and a third electrode pattern. And the third electrode pattern is in lap joint with the first edge part of the second electrode pattern exposed out of the electrode patterning layer, and is connected with the first pixel isolation column, so that the first pixel isolation column is used as a cathode auxiliary electrode of the light-emitting unit. Meanwhile, due to the fact that the second electrode pattern of the light-emitting unit is connected with the first pixel isolation column through the third electrode pattern, the second electrode pattern of the light-emitting unit can receive a cathode signal through the first pixel isolation column, and the reliability of cathode signal receiving is improved.

A display substrate, a display panel and a method of manufacturing a display substrate are provided. The display substrate includes: a substrate; a plurality of pixel units including at least a first pixel unit including a first light-emitting region and a first non-light-emitting region; a first light-emitting element arranged in the first light-emitting region, including a first electrode, a light-emitting layer and a second electrode; a scan driving circuit arranged in the first non-light-emitting region; and a first auxiliary electrode located in a first partial region in the first non-light-emitting region, wherein the scan driving circuit includes a plurality of scan driving sub-circuits located in a second partial region in the first non-light-emitting region; an orthographic projection of the first partial region on the substrate overlaps an orthographic projection of the second partial region on the substrate, and the first auxiliary electrode is electrically connected to the second electrode.

A multilayer electronic component includes a body having a first internal electrode, a second internal electrode, and a first auxiliary electrode and a second auxiliary electrode spaced apart from each other, in which the first internal electrode and the second internal electrode are alternately arranged with the first and second auxiliary electrode layers interposed therebetween; a first external electrode connected to the first internal electrode and the first auxiliary electrode; and a second external electrode connected to the second internal electrode and the second auxiliary electrode, in which at least a portion of the first internal electrode overlaps the second auxiliary electrode, and at least a portion of the second internal electrode overlaps the first auxiliary electrode.

The invention provides a symmetrical clamped micro-beam electric power sensing device based on MEMS resonators, and belongs to the technical field of MEMS sensing. The sensing device comprises a sensing assembly. The sensing assembly comprises a vibration beam, an excitation electrode, a tuning electrode and an auxiliary electrode. The two ends of the vibration beam in the axial direction of the vibration beam are connected with the auxiliary electrodes, and the exciting electrodes and the tuning electrodes are arranged at intervals in the length direction of the vibration beam and arranged on the same side of the vibration beam. Excitation voltage is applied to the excitation electrode so that the excitation electrode can excite the vibration beam to generate resonance. Tuning voltage is applied to the tuning electrode so that the tuning electrode can adjust the rigidity of the vibration beam according to the environment temperature, and the thermal power corresponding to the heat source can be inverted. The two sensing assemblies are arranged in a central symmetry mode, so that interference of electrostatic fields generated by the excitation electrodes and the tuning electrodes corresponding to different vibration beams can be weakened mutually. According to the invention, high-precision power inversion in a wide temperature range can be realized.

The present invention relates to an electrolytic cell for determining chemical oxygen demand, and belongs to the field of environmental monitoring. In the electrolytic cell, the sample to be tested is injected from a sample inlet located at the front end of the liquid inlet, and flows into an electrolytic reaction tank with an open top along with the electrolyte from the liquid inlet below, and passes through a porous working electrode located in the middle of the reaction tank and an auxiliary electrode and a reference electrode arranged closely above it. Organic matter in the sample to be tested is oxidized and degraded by electrocatalysis on the porous working electrode loaded with an active electrocatalyst, and the generated electrical signal is used for quantitative determination of chemical oxygen demand. In the present invention, the penetrable porous working electrode can enhance the mass transfer of organic matter and improve the efficiency of electrocatalytic oxidation; the reaction tank with an open top is conducive to the discharge of bubbles, avoiding the interference of bubbles on the reaction and current signals; the smaller inter-electrode distance between the auxiliary electrode and the reference electrode and the working electrode can ensure a higher electric field strength and current efficiency. The above characteristics enable a more stable and reliable electrical signal to be obtained when the electrolytic cell is used for chemical oxygen demand determination, thereby realizing efficient and accurate determination of chemical oxygen demand in the sample to be tested.

The invention discloses a method for reducing impurity element sulfur in cast high-temperature alloy return scraps, and belongs to the technical field of metal material smelting. The method comprises the following steps: carrying out vacuum induction melting on pretreated cast high-temperature alloy return scraps of the same mark to obtain a return scrap alloy induction ingot; surface oxide skin of the obtained return scrap alloy induction ingot is removed, a primary shrinkage cavity in the upper end is cut off, then the return scrap alloy induction ingot and an auxiliary electrode are coaxially welded, and a consumable electrode is obtained; and after the consumable electrode is baked, electroslag remelting is conducted under the protective atmosphere, and an electroslag ingot is obtained. On the basis of vacuum induction melting, the protective atmosphere electroslag remelting technology is further adopted for conducting deep purification melting treatment on the return scrap alloy ingot, the content of the impurity element S in the return scrap alloy ingot can be reduced to 0.5 ppm or below, and the content of the impurity element S in the return scrap alloy ingot reaches the level lower than the content of the element S in a new material; and the high-temperature oxidation resistance and corrosion resistance of the alloy can be obviously improved, and the fatigue, durability and other mechanical properties of the alloy are improved.

A display device that includes a substrate; a circuit layer; and an element layer. The substrate may include a display area in which emission areas may be arranged, and a non-display area. In order to deliver data signals to data lines at side edges of the display area, bypass auxiliary lines are used that pass through central portions of the display area to allow for a reduced width of the sub area. A horizontal portion of these bypass auxiliary lines may pass over or under other data lines to reach the edge portion of the display. Therefore, a shielding auxiliary electrode may be disposed between the passed over data lines and the horizontal bypass auxiliary lines at locations where these other data lines overlap in a plan view the horizontal bypass auxiliary lines to reduce crosstalk between the horizontal bypass auxiliary lines and the data lines.

The invention discloses a ceramic substrate, a low-temperature co-fired ceramic device and a preparation method of the low-temperature co-fired ceramic device, and belongs to the technical field of low-temperature co-fired ceramics. The ceramic substrate comprises a first ceramic dielectric layer and a first electrode layer; one side of the first ceramic dielectric layer is provided with a slotted hole, and the slotted hole is filled with a first auxiliary electrode; the first electrode layer is arranged on one side, provided with the slotted hole, of the first ceramic dielectric layer; the first electrode layer comprises a first electrode, and the first electrode is connected with the first auxiliary electrode. According to the embodiment of the invention, the adhesive force of the electrode in the ceramic substrate can be improved, and the reliability of a low-temperature co-fired ceramic device can be improved.