1571 results about "Electrode pair" patented technology

In one embodiment, a medical system includes a catheter configured to be inserted into a chamber of a heart of a living subject, and including multiple electrodes configured to capture electrical activity from electrical activation signals propagating in tissue of the chamber, a display, and processing circuitry configured to automatically select bipolar signals to be captured into an electro-anatomical map from respective electrode pairs of the multiple electrodes responsively to an alignment of the respective electrode pairs with a direction of propagation of the electrical activation signals, and render the electro-anatomical map to the display.

The invention discloses a large-scale pig breeding wastewater purification treatment system, and relates to the technical field of wastewater treatment.The large-scale pig breeding wastewater purification treatment system is characterized in that the ion concentration of anaerobic liquid is monitored through a multi-ion sensing array, and a multi-channel feeding system is controlled to synthesize customized struvite compound fertilizer; the AI prediction control unit predicts the optimal medicament dosage and realizes millisecond-level closed-loop regulation; the multi-dimensional synergistic biochemical treatment module comprises an A / O biochemical treatment unit and an electric field enhanced anaerobic ammonia oxidation reactor, the electric field enhanced anaerobic ammonia oxidation reactor applies a direct-current electric field through an electrode pair, and engineering conductive biochar is used as a carrier to accelerate microbial metabolism; the sludge low-temperature pyrolysis self-consistent circulation module is used for pyrolyzing and converting residual sludge into biochar, biofuel and wood vinegar, and the biochar activation treatment unit is used for preparing engineering conductive biochar and forming a substance closed loop through a self-consistent circulation conveying system; and the digital twinning intelligent management and control platform realizes intelligent management and control of the system.

The invention provides a micro-fluidic device and a preparation method thereof. The micro-fluidic device comprises a micro-fluidic substrate and a control substrate, the microfluidic substrate comprises a first substrate and a plurality of electrode pairs; the control substrate comprises a second substrate, a control circuit layer and a plurality of contact pairs; the first surface of the first substrate is provided with a plurality of opening areas, each opening area is provided with two accommodating grooves which are arranged at intervals, and the two accommodating grooves are communicated through a microfluidic channel on a common side wall; the plurality of electrode pairs are arranged on the first substrate and are arranged corresponding to the opening area. The control circuit layer is arranged on the second substrate; the plurality of contact pairs are arranged on the second substrate and are electrically connected with the control circuit layer; the control substrate is attached to the microfluidic substrate during use, the plurality of contact pairs are electrically connected with the plurality of electrode pairs, and the control circuit layer is used for applying voltage to each electrode pair. According to the microfluidic device, a plurality of samples are processed in parallel, the detection efficiency is improved, and the replacement cost can be reduced.

A display device includes a display area in which a plurality of first pixels and second pixels including a plurality of pixel electrodes spaced apart from each other are disposed, a first light blocking layer disposed in the display area and including a plurality of holes disposed to overlap the pixel electrodes, a plurality of color filters disposed on the first light blocking layer to correspond to the holes, and a second light blocking layer disposed on the color filter and disposed to correspond to the pixel electrodes of the second pixels, the first light blocking layer including a plurality of divided portions disposed around the holes of the second pixel and penetrating the first light blocking layer, and the color filters disposed in the second pixel and disposed to cover the hole of the first light blocking layer, where the divided portions are disposed to correspond to the holes.

The invention relates to a photovoltaic cell preparation method, a photovoltaic cell, a laminated cell and a photovoltaic cell module. Providing an initial battery piece; depositing and forming a protective layer on the surface; carrying out laser treatment twice; printing and sintering to form an electrode; and carrying out at least two times of laser-assisted sintering on the electrode. According to the photovoltaic cell preparation method, the protection layer at the first area is removed, the doping concentration at the first area is improved, and at least two times of laser-assisted sintering are combined, so that on one hand, the metal contact area is optimized, the usage amount of silver paste is reduced, the material cost is reduced, and meanwhile, paste contact sintering is enhanced; damage caused by laser grooving doping is removed; and on the other hand, the doping concentration is optimized, the contact resistance is remarkably reduced, the open-circuit voltage and the filling factor are favorably improved, the shading loss is reduced, and the current collection efficiency is ensured, so that the photoelectric conversion efficiency and the reliability of the cell are remarkably improved, the production process is simplified, and the production cost is reduced.

The invention provides a solar cell and a photovoltaic module, and relates to the technical field of photovoltaics. The battery includes: a silicon substrate including a surface having an N region and a P region; the N-type doped layer is positioned on the N region of the silicon substrate; the P-type doped layer is located on the P region of the silicon substrate; the first electrode is in contact with the P-type doped layer; the second electrode is in contact with the N-type doped layer; the first electrode and the second electrode both contain metal elements; the content of metal elements in a region corresponding to the first electrode in the P-type doped layer is greater than the content of metal elements in a region corresponding to the second electrode in the N-type doped layer. According to the invention, the contact resistance corresponding to the first electrode can be reduced, the contact difference between the P region and the N region can be reduced, good contact between the P region and the N region is realized at the same time, and the efficiency of the solar cell is improved.

The invention belongs to the field of heterojunction cells, and particularly discloses a heterojunction cell and a preparation method thereof, which are characterized in that heavily doped amorphous silicon is deposited in a corresponding area of a grid line electrode, so that high parasitic absorption, surface dangling bond and interface state density are reduced, and the open voltage and the efficiency of the heterojunction cell are improved. The main technical scheme of the invention is as follows: according to the heterojunction cell, grooves are formed in corresponding areas of grid line electrodes on the front surface and the back surface of an N-type silicon substrate; arranging an intrinsic amorphous silicon layer; the light doping P-type amorphous silicon layer is arranged on the front intrinsic amorphous silicon layer, the light doping N-type amorphous silicon layer is arranged on the back intrinsic amorphous silicon layer, the heavy doping P-type amorphous silicon layer is arranged in a groove corresponding area on the light doping P-type amorphous silicon layer, the heavy doping N-type amorphous silicon layer is arranged in a groove corresponding area on the light doping N-type amorphous silicon layer, and the light doping N-type amorphous silicon layer is arranged in a groove corresponding area on the light doping N-type amorphous silicon layer. The P-type doped amorphous silicon layer and the N-type doped amorphous silicon layer are respectively provided with a transparent conductive oxide layer, and the grid line electrodes are arranged on the transparent conductive oxide layers. The invention is mainly used for power generation.

The invention relates to the technical field of display, in particular to an array substrate and an electrowetting display panel, the array substrate comprises a first substrate, a driving layer, a pixel definition layer and an insulating layer with hydrophobicity, and the driving layer comprises a driving electrode; the pixel definition layer is provided with pixel openings corresponding to the driving electrodes; the insulating layer comprises a plurality of microstructures, each microstructure comprises a first sub-part and a second sub-part located on the side, close to the first substrate, of the first sub-part, and the first sub-parts support the polar fluid in the pixel openings. The adjacent second sub-parts are connected, the gaps are formed between the adjacent first sub-parts, the top end gaps between the adjacent first sub-parts are the target gaps, and the target gaps are configured to be spaced from the second sub-parts when the polar fluid is supported on the first sub-parts, so that the problem that the polar fluid is in contact with the second sub-parts can be solved; therefore, the driving voltage can be reduced, and the driving speed of the polar fluid can be improved.

The invention provides a microfluidic device. The microfluidic device comprises a first substrate, a plurality of electrode pairs and a control circuit layer, wherein the first substrate comprises a first surface; the first surface is provided with a plurality of opening areas arranged at intervals, each opening area is provided with two containing grooves arranged at intervals in the first direction, the common side wall of the two containing grooves is provided with a micro-flow channel, and the two containing grooves are communicated through the micro-flow channel. The plurality of electrode pairs are arranged on the first substrate; each electrode pair is arranged corresponding to one opening area; the electrode pair comprises two driving electrodes, and the two driving electrodes are arranged on the two opposite sides of the microfluidic channel at intervals in the first direction. The control circuit layer is arranged on the first substrate and is electrically connected with the plurality of electrode pairs; wherein the control circuit layer is used for applying voltage to each electrode pair. According to the microfluidic device, a plurality of DNA molecules or biological samples are processed in parallel, and the detection efficiency is remarkably improved.

The invention discloses an electrode connecting and changing device suitable for an electric arc furnace, relates to the technical field of clamping tools, and provides the electrode connecting and changing device suitable for the electric arc furnace, the electrode connecting and changing device suitable for the electric arc furnace is integrated on a lifting appliance, when an electrode needs to be butted and tightened, an annular tightening assembly is lowered to the position close to the bottom of a new electrode through a winch assembly, and then the electrode is tightened. The electrode is tightened on the carrying table in a force-borrowing mode; when dirt and maintenance are needed, the device can be placed on the ground to be cleaned and maintained; when a fault occurs, the electrode connecting and replacing device and a new electrode can be lifted away together by directly utilizing a workshop crane, and the influence on the electrode butt joint process is small; the electrode connecting and changing device suitable for the electric arc furnace has the technical effects that the electrode connecting and changing device suitable for the electric arc furnace can assist workers in completing electrode connecting and changing operation, the occupied space is small, overhaul, maintenance and cleaning are convenient, the risk is low, and the influence on the electrode butt joint process is small when faults occur.

The invention discloses a micro-structure electrode flexible electrochemical sensor which comprises a flexible electrode substrate with a hemispherical array and three surface electrodes (a working electrode, a counter electrode and a reference electrode). The working electrode comprises a protruding metal array and a through hole array, protruding metal corresponds to the hemisphere array of the substrate, and the through hole array penetrates through the substrate. According to the sensor, the reaction area is increased through the three-dimensional structure, electron transfer is promoted, oxygen supply is guaranteed through the through hole array, the mechanical stability is enhanced through the flexible substrate and the structural design, and the sensor is suitable for wearable equipment.

Examples described herein relate to a charging system for wireless earbuds involving charging adapters that are attachable to the wireless earbuds. In some implementations, the charging adapter is attachable to an external surface of an earbud using a magnetic or mechanical interface that align electrodes of the charging adapter with electrodes on the wireless headset, allowing an internal battery of the earbud to draw current and charge from the charging adapter while the earbud is in-ear. Then, when the internal battery is and recharged using a charging case or wall charger, the charging adapter can be detached from the earbud.

A system in accordance with at least some embodiments of the present technology includes a robot and a dock. The robot includes a body and a plurality of legs connected to the body through which the robot is configured to ambulate. The robot further includes a hanger carried by the body and a charge-receiving electrode at the hanger. The dock includes a hook, a charge-dispensing electrode at the hook, and a guide that urges the hanger into alignment with the hook. The system is transitionable between an undocked state and a docked state. In the undocked state, the robot and the dock are spaced apart from one another. In the docked state, the hanger is received at the hook, the dock supports at least a portion of a weight of the robot via the hook, and the charge-receiving electrode is electrically connected to the charge-dispensing electrode.

The invention relates to the technical field of electronic devices, in particular to a single-molecule photoelectric memristor based on photoresponse rotating shaft molecules and a preparation method of the single-molecule photoelectric memristor. The single-molecule electric memristor comprises a light response rotating shaft molecule and a graphene point electrode pair, and the light response rotating shaft molecule is connected between the graphene point electrode pair. When ultraviolet light irradiates the photoresponse rotating shaft molecule, a high conductivity state occurs when the corresponding rotating shaft molecule rotates, and when visible light irradiates the photoresponse rotating shaft molecule, a low conductivity state occurs when the corresponding rotating shaft molecule rotates. Based on this, the monomolecular photoelectric memristor has high and low conductivity bistable states, and can realize rapid and reversible change of the conductivity state, thereby improving response speed, operation efficiency, and stability, flexibility and adaptability of performance. The single-molecule photoelectric memristor provided by the invention is expected to be widely applied to the fields of neuromorphic calculation, artificial intelligence, brain-like calculation and the like. The preparation method provided by the invention is simple and convenient to operate, mild in reaction condition and beneficial to industrial production.

The invention discloses a high-surge ESD electrostatic suppressor, and relates to the technical field of electrostatic suppressors, the high-surge ESD electrostatic suppressor comprises an insulating substrate, and terminal electrodes are symmetrically arranged on the two sides of the substrate; the plurality of internal electrodes are embedded in the insulating substrate and are electrically connected with the conductive polymer layer; the conductive polymer layer is arranged among the plurality of internal electrodes and is used for ESD energy absorption and conduction; salient point units arranged in an array are arranged between the conductive polymer layer and the internal electrode; connecting interfaces between the insulating substrate and the conductive polymer layer are respectively provided with a transition interface; a frame unit wrapping the outer side of the conductive polymer layer is arranged above the insulating substrate, the two ends of the frame unit are in lap joint with the tops of the end electrodes, the frame unit and the insulating substrate are mutually connected through connecting pieces, and through holes are formed in the positions, corresponding to the connecting pieces, of the end electrodes and the internal electrodes respectively; according to the invention, the long-term ESD suppression stability and reliability of the device are improved.

The invention provides a medical accelerator beam excitation device and a control method thereof, and belongs to the technical field of medical accelerators, and the medical accelerator beam excitation device comprises an integrated exciter which comprises a horizontally arranged first electrode pair and a vertically arranged second electrode pair; the excitation signal source is used for generating a working point excitation signal or a slow extraction excitation signal; the excitation signal source outputs a working point excitation signal or slowly leads out the excitation signal to the power amplification and routing module, and the power amplification and routing module is used for performing power amplification on the received excitation signal and routing the amplified excitation signal to the first electrode pair or the second electrode pair; and the first electrode pair and the second electrode pair are used for applying an excitation effect on the beam current according to the amplified excitation signal. According to the application, the excitation electrode and the power amplification link can be multiplexed, and two functions of working point excitation and slow extraction excitation can be simultaneously realized on one set of device, so that the space of the accelerator is effectively saved.

The invention relates to a device for performing electric field treatment on a digestive tract. The device comprises a catheter, a support body, an electrode array film and a pulse generator, the pulse generator comprises a current sensor for sensing current flowing through the electrode pair; in the initial time period, the voltage amplitude of the back pulse in the first sequence of pulse waves is larger than the voltage amplitude of the front pulse, and when the current sensor senses that the current is equal to or exceeds the lower limit value IS (MIN) of the set range, the absolute value US of the voltage amplitude of each pulse in the second sequence of pulse waves is equal in the next time period. The amplitude of the output voltage of the pulse generator is controlled through feedback of the current sensor, and the therapeutic instrument is safer for a human body during treatment.

The invention discloses crack self-monitoring concrete which comprises a concrete matrix, a differential electrode pair, an acoustic emission sensor array, an embedded temperature and humidity sensor and a multi-scale conductive network, the concrete matrix is concrete prepared from a cementing material, water, a fine aggregate, a water reducing agent, a conductive coarse aggregate, a hybrid fiber system, a nano conductive filler and a polymer interface reinforcing agent; the differential electrode pair comprises a tension area electrode and a compression area electrode; the embedded temperature and humidity sensor and the acoustic emission sensor array are arranged on the surface of concrete or in the concrete; the multi-scale conductive network is distributed in the concrete matrix; the invention further discloses a preparation method of the crack self-monitoring concrete and a crack self-monitoring method. The crack self-monitoring concrete is sensitive in resistance change response during stress, obvious in signal sudden change during fracture, sensitive and reliable in crack monitoring and low in false alarm rate, and can provide early warning time windows of different levels for structure maintenance and emergency decision.

The invention discloses a hair area hydrogel Ag3Sn tow brain electrode and application. The hair area hydrogel Ag3Sn tow brain electrode comprises an electrode base body and hydrogel. The electrode base body comprises an electrode upper shell, an electrode lower shell, a conducting strip and an electrode buckle; the lower electrode shell and the upper electrode shell are detachably connected; the hydrogel is fixed in an inner cavity of the electrode lower shell and extends out of the shell bottom surface of the electrode lower shell; an electrode buckle extends out of one end, far away from the electrode lower shell, of the electrode upper shell; the hydrogel is in contact with the conducting strip, and the conducting strip is connected with the electrode buckle; and the conducting strip comprises an Ag3Sn nano wire bundle modified with a conducting polymer. According to the hair area hydrogel Ag3Sn wire bundle brain electrode, the structure design of micro / nano wire bundles on the surface of the electrode is optimized, so that the electrode has good conductivity and more excellent charge storage capacity, and the interface impedance and the long-time electroencephalogram collection capacity are reduced.

The invention relates to a multichannel neuromuscular electrical stimulation device and a control method thereof. The device comprises a multi-stage power supply generator which is provided with a booster circuit for generating N-stage voltage; a plurality of electrical stimulation channels; the digital control circuit comprises a controller and a plurality of channel control registers respectively corresponding to the plurality of electrical stimulation channels; the skin impedance detection circuit is configured to detect the skin impedance value of the stimulation part corresponding to the output electrode of each electrical stimulation channel; the multi-stage power generator further comprises a voltage selection unit for switchably connecting each electrical stimulation channel to the N voltage outputs, and the voltage selection unit is configured to select and / or switch a supply voltage for each electrical stimulation channel from the N voltage outputs according to a skin impedance value detected by the skin impedance detection circuit. According to the multi-channel neuromuscular electrical stimulation device and the control method thereof, flexible cooperative control among multiple channels and self-adaptive adjustment based on impedance are realized, and the system energy efficiency and the treatment accuracy are improved.

The present application relates to a solar cell, a photovoltaic module, and a preparation method for a solar cell. The solar cell comprises a silicon substrate, a transport layer, and a first electrode; the transport layer is located on a side of the silicon substrate, metal crystals being provided in the transport layer; the first electrode is located on the side of the transport layer away from the silicon substrate, and is electrically connected to the transport layer and the metal crystals; in the width direction of the first electrode, the number of the metal crystals distributed at two end parts of the first electrode is less than the number thereof distributed at other positions of the first electrode except the two end parts. The metal crystals are located below the first electrode and distributed at positions near the middle of the first electrode, which can reduce a transmission path of carriers in the first electrode so as to help the carriers to be directly exported from the first electrode, improving the efficiency of the first electrode collecting the carriers.

The present disclosure provides a multi-coefficient coupled-mode surface acoustic wave resonator and a manufacturing method therefor. During operation of the surface acoustic wave resonator, at least two different piezoelectric coefficients are coupled and jointly excite acoustic waves. The multi-coefficient coupled-mode surface acoustic wave resonator comprises: a substrate; a piezoelectric layer, provided on the substrate; an electrode unit, provided on the surface of the piezoelectric layer and comprising at least one interdigital electrode pair; and a reflective grating unit, comprising at least two grating structures which are symmetrically arranged on the two sides of the electrode unit, wherein the equivalent density of the electrode unit is greater than 4000kg / m3. The electric field distribution is changed by changing the mass loading effect of the interdigital electrode pair and the ratio of the electrode wavelength to the thickness of the piezoelectric layer, such that at least two piezoelectric coefficients are mutually coupled to jointly excite acoustic waves, thus achieving the surface acoustic wave resonator having an electromechanical coupling coefficient exceeding 25%.

The invention relates to a cast-rolling casting nozzle with an electric-magnetic coupling oscillation effect. Relates to a cast-rolling casting nozzle with an electromagnetic oscillation effect, which is matched with a horizontal double-roller cast-rolling machine in the field of aluminum alloy die casting. The method is used for solving the inevitable internal macrosegregation defect of the high-alloy-content aluminum alloy cast-rolled product. The device comprises an L-shaped electrode pair 1; a side seal 2; an excitation device 3; a guide plate 4; a cooling water pipe (inlet / outlet) 5; a copper enameled wire (excitation) 6; a countersunk self-tapping screw 7; a casting nozzle upper plate 8; a rhombic shunting block 9; a nozzle lower plate 10; and a casting nozzle bottom plate 11. In the casting and rolling process, an oscillating electric field and a steady magnetic field are introduced, electromagnetic coupling force is generated at the outlet end of a casting nozzle, the electromagnetic force effectively stirs a semi-solid aluminum alloy melt, and therefore the purposes that alloy is evenly distributed, and segregation defects are reduced or even eliminated are achieved. The method is used in 4-series, 6-series and 7-series aluminum alloys, and the effect is obvious.

The invention provides a dual-mode resonant sensor, and relates to the technical field of sensors, and the dual-mode resonant sensor comprises a single resonator, two sides of a resonant beam of the single resonator are provided with a first differential detection electrode pair, a second differential detection electrode pair and a driving electrode pair; the first differential detection electrode pair is symmetrically arranged on two sides of the middle part of the resonant beam and is used for detecting a first-order modal vibration signal of the single resonator; the second differential detection electrode pair is symmetrically arranged at two ends of one side of the resonant beam and is used for detecting a second-order modal vibration signal of the single resonator; the driving electrode pair is arranged at two ends of the other side of the resonant beam and is used for applying an alternating current driving signal to the resonant beam; the closed-loop control circuit is connected with the first differential detection electrode pair through a pair of first input ends and connected with the second differential detection electrode pair through a pair of second input ends, the output end of the closed-loop control circuit is connected with the driving electrode pair, and the closed-loop control circuit is used for feeding back and adjusting the alternating current driving signal according to the first-order modal vibration signal and / or the second-order modal vibration signal. The invention further provides a closed-loop control method.

A display device includes: a substrate; a plurality of first electrodes on the substrate; a pixel defining layer defining a plurality of emission areas disposed to correspond to the plurality of first electrodes, respectively; a light emitting layer on the plurality of first electrodes; and a second electrode on the light emitting layer, wherein each of the plurality of emission areas has a circular shape in the plan view, and the plurality of emission areas have the same size in the plan view.

The invention relates to a field effect emitter microstructure, an electron emitter device, an X-ray tube and a method for generating X-rays by means of an X-ray tube. The field effect emitter microstructure comprises an emitter needle, a gate electrode with a gate opening, the gate opening connects the lower side and the upper side of the gate electrode, and the longitudinal central axis of the emitter needle is vertical to the gate electrode in the emission direction and is aligned with the gate opening; a first insulating layer in which free electrons can be generated by means of an emission voltage that can be applied between the gate electrode and the field-effect emission section, the field-effect emitter microstructure being characterized in that a second insulating layer, the lower side of which adjoins the upper side of the gate electrode at least in part, is provided, and an electrically conductive focusing layer, the focusing layer being provided in which the free electrons can be generated in the field-effect emission section by means of an emission voltage that can be applied between the gate electrode and the field-effect emission section. The upper side of the second insulating layer is at least partially adjacent to the lower side of the focusing layer, and the second insulating layer and the focusing layer each have a through-opening for free electrons that can be generated in the field-effect emission section.

The invention provides an electroencephalogram collecting system which comprises a plurality of electroencephalogram electrodes connected to the brain of a living body to detect electroencephalogram signals. The acquisition module is correspondingly connected with the electroencephalogram electrodes so as to acquire electroencephalogram signals and preprocess the electroencephalogram signals; the acquisition module comprises at least one electroencephalogram acquisition sub-module, and the electroencephalogram acquisition sub-module is integrated with an amplifier, a multiplexer and an analog-to-digital converter; the main control module is used for carrying out secondary processing on the electroencephalogram signals and comprises a logic control unit and a processing unit; the logic control unit is connected with the acquisition module; and the processing unit is connected with a management terminal so as to configure parameters of the logic control unit and send the electroencephalogram signals subjected to secondary processing to the management terminal. According to the electroencephalogram acquisition system, the acquisition module and the main control module are integrated, so that electroencephalogram acquisition can be realized without a sickbed, and the portability and the flexibility of the electroencephalogram acquisition system are improved.

The invention discloses a flexible substrate material doped with a two-dimensional material and a preparation method of a sensor of the flexible substrate material, and belongs to the technical field of array sensors. The electrode material comprises a two-dimensional material substrate, a composite doping atom layer and an insulation isolation layer, high-density defect sites are formed through H2 plasma processing, uniform distribution of doping atoms is achieved in combination with atomic layer deposition, and an electrode and a temperature-sensitive layer are precisely integrated through the self-alignment photoetching technology. According to the scheme, the electronic structure of the two-dimensional material is optimized through the composite doping synergistic effect, the multi-layer heterojunction design and the high-precision preparation process are combined, the response capacity of the electrode to weak pressure signals is remarkably improved, and high resolution and stability of the sensor in pressure and temperature detection are achieved. The method has a wide application prospect in the fields of wearable equipment, medical monitoring, robot tactile perception and the like.

The invention discloses a device and system for conducting electric field treatment on the digestive tract, the device for conducting electric field treatment on the digestive tract comprises a slender catheter, a supporting body located at the far end of the catheter, an electrode array film and a pulse generator, the electrode array film and the pulse generator are arranged on the supporting body, and the output end of the pulse generator is coupled with an electrode pair on the electrode array film. A sequence pulse wave output by the pulse generator comprises a plurality of groups of nanosecond pulse strings, and the time interval between the adjacent nanosecond pulse strings is 1us-10000 us; the nanosecond pulse string is composed of a plurality of nanosecond pulse pairs, and the time interval between every two adjacent nanosecond pulse pairs ranges from 50 ns to 10000 ns; the nanosecond pulse pair comprises positive pulses and negative pulses which appear alternately, the pulse width of the positive pulses and the pulse width of the negative pulses are 10-1000 ns, and the time interval is 10-1000 ns. The cell membrane permeability and the cell death efficiency can be remarkably improved, and the limitation of the traditional IRE technology is broken through.

The embodiment of the invention discloses a high-frequency pulse self-heating method of a lithium ion battery and an electric vehicle, and the method comprises the steps: obtaining state parameters of the lithium ion battery, the state parameters comprising a first current temperature, a current charge state and a current health state of the lithium ion battery; judging whether the first current temperature is lower than a first temperature threshold value or not and whether the current charge state meets a pulse heating condition or not; when the first current temperature is lower than a first temperature threshold value and the current state of charge meets the pulse heating condition, the optimal pulse frequency and the optimal pulse current of pulse excitation are obtained based on the state parameters, the full-battery alternating-current impedance spectrum and the negative electrode pair reference alternating-current impedance spectrum; and performing internal pulse self-heating on the lithium ion battery by adopting a pulse excitation mode based on the optimal pulse frequency and the optimal pulse current. The scheme provided by the invention has the characteristics of high heating efficiency, uniform heating temperature distribution, low energy consumption and low influence on the electrical performance and service life of the battery, and can effectively avoid the risk of lithium precipitation of the negative electrode.