57 results about "Gel electrode" patented technology

Apparatuses for use in applying TTFields are disclosed. An apparatus comprises an electrode subassembly including at least one electrode element having a skin-facing side and a skin-facing surface. The apparatus further includes a skin contact subassembly comprising a skin contact conductive adhesive or gel configured to contact skin of a subject. One of the electrode subassembly or the skin contact subassembly comprises an electrically conductive polymer layer, and the other of the electrode subassembly or the skin contact subassembly comprises a second conductive adhesive or gel. The electrically conductive polymer layer is disposed against, and removably coupled to, the second conductive adhesive or gel, thereby removably coupling the electrode subassembly to the skin contact subassembly so that the skin contact conductive adhesive or gel is electrically coupled to the at least one electrode element.

The invention provides an ultrathin temperature-sensitive hydrogel flexible electrode and a preparation method thereof, and belongs to the technical field of hydrogel electrodes. The preparation method comprises the following steps: mixing monomer acryloyl glycinamide and acrylic acid, and dissolving in deionized water to obtain a mixed solution A; adding a chemical cross-linking agent and a poly (3, 4-ethylenedioxythiophene)-poly (styrene sulfonate) solution into the mixed solution A to obtain a mixed solution B; adding sodium sulfate and tannic acid into the mixed solution B to obtain a prepolymerization solution; adding an initiator into the pre-polymerized solution to obtain a polymerized solution; the preparation method comprises the following steps: adding thermoplastic polyurethane particles into a mixed solution of N, N-dimethylformamide and tetrahydrofuran to form a precursor solution, and carrying out electrostatic spinning on the precursor solution to obtain a film matrix; and coating the polymerization solution on the surface of a thin film substrate, and packaging a conductive copper foil to obtain the ultrathin temperature-sensitive hydrogel flexible electrode. The mechanical property and the adhesion property of the flexible electrode are improved, and the adhesion strength can be dynamically adjusted by regulating and controlling the temperature.

The invention belongs to the technical field of wearable electronic devices, and particularly relates to a breathable liquid metal-fabric electrode with a durable interface and a preparation method of the breathable liquid metal-fabric electrode. Comprising the following steps that an interface modifier solution is added into liquid metal, and modified liquid metal slurry is obtained in an ice-bath ultrasonic mode; coating a fabric substrate with the modified liquid metal slurry, and drying at room temperature until the modified liquid metal slurry is cured to obtain an electrode precursor; and applying external force to the electrode precursor to obtain the liquid metal-fabric electrode. The liquid metal micro / nano particles are subjected to interface modification through the interface modifier, the interface modifier and the fabric substrate are subjected to interface interaction, the liquid metal is anchored to the fabric substrate, meanwhile, the modified liquid metal particles are promoted to be fused through external force, and a continuous conductive network is formed; the gel electrode shows excellent tolerance under water washing, air exposure and mechanical deformation, and has good skin compatibility and interface impedance lower than that of a commercial gel electrode.

The application discloses a kind of hydrogel electrode with adhesion and anti-sweat characteristics and preparation method and application thereof, belong to flexible hydrogel sensing material technical field.The electrode is formed by dissolving acrylic acid, hydrophobic modified tannic acid, initiator, polyethyleneimine and conductive substance in deionized water to form a precursor solution, and is prepared by pouring into mould and then carrying out ultraviolet light polymerization.The hydrogel electrode prepared by the application has good mechanical strength, excellent skin adhesion, significant anti-sweat interference ability, high conductivity and low contact impedance.The electrode can be directly attached to the skin and used as a strain sensor or to collect various bioelectric signals, and has the comprehensive advantages of high stability, good detection accuracy, low interface impedance, excellent biocompatibility, easy-to-obtain material and simple process.

This invention discloses a breathable, conductive hydrogel electrode, its preparation method, and its applications. The breathable, conductive hydrogel electrode comprises a porous fiber support structure and a hydrogel conductive network. The porous fiber support structure has a three-dimensional porous structure formed by interwoven porous fibers, each fiber possessing a three-dimensional interconnected channel structure formed by interconnected pores distributed on and within the porous fibers. The hydrogel conductive network is distributed on the surface and within the porous fiber support structure, forming a continuous ion conduction path within the electrode. The breathable, conductive hydrogel electrode provided by this invention has advantages such as high breathability, self-humidification, low impedance, and breathability, achieving high-fidelity, long-term acquisition of physiological signals such as electroencephalograms (EEG), electrocardiograms (ECG), and electromyograms (EMG). It can be widely used in electrophysiological signal monitoring, smart wearables, sleep analysis, and human-computer interaction.

The invention discloses a portable idiopathic tremor myoelectricity feature extraction device which comprises an acquisition body, a hydrogel electrode and a signal display device. A hydrogel electrode is adopted to collect idiopathic tremor electromyographic signals, and the hydrogel electrode is made of an elastic material and can adapt to different curve surfaces. Meanwhile, water molecules on the surface of the hydrogel electrode and the skin surface have a good adsorption effect. Therefore, the stability and the accuracy of electromyographic signal transmission are ensured. Meanwhile, the hydrogel electrode is connected with the device in a magnetic attraction manner, so that the replaceability of the hydrogel is improved. The method is suitable for signal feature extraction of tremor electromyographic signals of an idiopathic tremor patient, facilitates real-time recording of idiopathic tremor signal features of the idiopathic tremor patient, and can provide a theoretical basis for treatment of the idiopathic tremor patient.

The application discloses a bimetallic organic gel electrode material suitable for wide power fluctuation and a preparation method and application thereof. The preparation method of the bimetallic organic gel electrode material comprises the following steps: dissolving transition metal nickel salt and transition metal cobalt salt in ethanol to obtain a transition metal salt mixed solution; under the atmosphere of nitrogen or inert gas, the transition metal salt mixed solution is added dropwise into a terephthalic acid mixed solution at 70-90 DEG C, and solvent thermal reaction is continuously carried out at 70-90 DEG C to obtain a colloidal suspension; centrifugation is carried out to obtain a precipitate; washing and vacuum drying are carried out to obtain the bimetallic organic gel electrode material. The bimetallic organic gel electrode material has excellent electrocatalytic hydrogen evolution and oxygen evolution activity, has a lower overpotential in the HER process in an alkaline environment, the lowest overpotential is 28 mV, and still has good stability under different large current densities, and has good electrochemical activity and wide power stability.

The application discloses a starfish-imitated tube foot array hydrogel electrode and a preparation method thereof. The bottom of the conductive hydrogel electrode is provided with a starfish-imitated tube foot array. A single starfish-imitated tube foot comprises a stem and a terminal biomimetic sucker. The outer side of the sucker is a circular table structure, and the inner side is a cavity composed of a hemisphere. The integrated tube foot microstructure of the electrode is obtained by laser cutting of the hydrogel. First, the inner cavity structure is cut. Then, the outer side of the biomimetic tube foot shape is cut. Finally, the single biomimetic tube foot is inserted into the block-shaped hydrogel to form an array. The preparation method of the conductive hydrogel electrode comprises the following steps: first, a prepolymer is synthesized; then, the prepolymer, cationic monomers and anionic monomers are polymerized to obtain a hydrogel with anti-swelling and stable and excellent conductive performance. The conductive hydrogel electrode has the self-adhesion and anti-swelling ability when working underwater, can be closely combined with human skin, reduces the electrode-skin impedance, and improves the quality of underwater electromyographic signal collection.

The invention discloses a hydrogel-based non-invasive brain-computer interface electrode with non-uniform hardness and a preparation method of the hydrogel-based non-invasive brain-computer interface electrode, relates to the technical field of flexible electronic materials and devices, and can be used for data acquisition of electroencephalogram equipment and other flexible contact media for acquiring human electrophysiological signals, such as electromyographic signals, electrocardiosignals and the like. The cross-linking times mismatching strategy is adopted, different moduli at the two ends of the hydrogel electrode are achieved, the polyvinyl alcohol solution and the sodium alginate solution are directly mixed, freezing and thawing cycles of different times are carried out, and the electrode stability and wearing comfort are greatly improved. The hydrogel reduces the contact impedance through ionic conduction, and the impedance is lower than that of a commercial electrode. The hydrogel prepared on the basis of the method can be better prevented from slipping in an electrode clamp of an electroencephalogram cap, and meanwhile more comfortable and more stable contact is provided on an interface making contact with the skin. The process provides a better scheme for a series of human electrophysiological signal acquisition systems such as electroencephalogram signals and the like, and is of great significance to promotion of commercialization of non-invasive brain-computer interfaces.

The invention belongs to the technical field of conductive hydrogel, and particularly relates to an aramid nanofiber ion conductive hydrogel electrode as well as preparation and application thereof. Comprising the following steps: adding aramid fiber and potassium hydroxide into dimethyl sulfoxide, and stirring to obtain an aramid fiber solution; adding chloropropene into the aramid fiber solution, heating and stirring for modification reaction to obtain a modified aramid fiber solution; the preparation method comprises the following steps: mixing dimethyl sulfoxide with water to obtain a mixed solution A; diluting the modified aramid fiber solution with dimethyl sulfoxide, and dropwise adding the mixed solution A under a stirring condition until the solution is transparent, so as to obtain an aramid fiber nanofiber dispersion liquid; adding the aramid nanofiber dispersion liquid into the polyvinyl alcohol prepolymerization solution, and stirring to obtain a mixed solution B; and carrying out in-situ polymerization reaction treatment on the mixed solution B to obtain the aramid nanofiber ionic conductive hydrogel electrode. The hydrogel electrode prepared by the invention has the advantages of high strength, high flexibility, stable ionic conductivity, excellent biocompatibility and reliable environmental stability.

The utility model relates to the technical field of electrocardiogram lead wires, in particular to an electrocardiogram lead wire capable of reducing skin damage, which comprises a connector, and the front end and the rear end of the right side of the connector are respectively provided with a limb lead electrode wire and a chest electrode wire. Button type gel electrodes are arranged at the ends, away from the connector, of the limb lead electrode wires and the chest electrode wires, arc-shaped seats are fixedly connected to the outer sides of the limb lead electrode wires, and connecting seats are fixedly connected to the tops of the button type gel electrodes. Under the action of the button type gel electrode, the arc-shaped seat and the elastic capsule, the electrocardiogram lead wire has the advantage of reducing skin damage, and solves the problems that clips are clamped on four limbs, and clips are clamped at the tail ends of the limbs for a long time, so that local skin is easily damaged, even local tissues are ischemic, and the like. And therefore, some patients cannot insist at the end of the examination, the physical fitness of the patients is poor, and the technology is not easy to carry out.

The application provides a preparation method of super-stretching and high-adhesion silver nanowire hydrogel and application thereof, and is a conductive hydrogel. The silver nanowire hydrogel takes acrylamide, silver nanowire, acrylic acid, polyvinylpyrrolidone and water as main raw materials, silver nanowire is added in the hydrogel system, the toughness and elasticity of the material are enhanced, and the conductivity of the hydrogel is improved. The finally prepared silver nanowire hydrogel has super strong tensile property, extremely high adhesion, excellent conductivity and low contact impedance. The hydrogel prepared by the application can be used for a pressure sensor, can be attached on the skin to collect various physiological signals of the human body, and can be used for electrocardiosignal monitoring. In the aspect of the pressure sensor, the hydrogel can accurately identify different numbers and letters, the accuracy reaches 93%, and can identify various small movements of the human body; in the aspect of physiological signal collection, the hydrogel has good stability, high precision, low impedance, and the material is easy to obtain and simple to operate.

1. The name of the design product: silicone electrode (1). 2. The use of the design product: used for matching transcranial electrical stimulation instrument, and conducting the electrical stimulation signal output by the transcranial electrical stimulation instrument. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of ammonia borane hydrolysis hydrogen desorption, and provides an ammonia borane hydrolysis catalyst and a preparation method thereof. The preparation method comprises the following steps: preparing a graphene aerogel electrode; preparing an electrolyte comprising a phosphorus-containing compound and a transition metal compound according to a preset proportion; the graphene aerogel electrode and the electrolyte are subjected to an electro-deposition reaction under preset conditions, and the ammonia borane hydrolysis catalyst is obtained. According to the scheme, the problems that high-temperature and high-pressure conditions are needed in the existing catalyst preparation process and the green chemical principle is not met can be solved.

The invention discloses a method for regulating and controlling local crosslinking degree and hardness of polyvinyl alcohol-based hydrogel, and relates to the technical fields of material science, flexible electronics and the like. The structure and the form of the electrode material of the wearable device are of great significance in improving the comfort and the durability of a user in use. Specifically, a hydrogel electrode is produced through a customized mold, the local crosslinking degree of polyvinyl alcohol (PVA)-based hydrogel is controlled through temperature difference, gradient modulus regulation and control are conducted on the hydrogel, the modulus of the end, making contact with the skin, of the hydrogel electrode is lower, the hydrogel electrode is softer, and therefore the hydrogel electrode can be worn on the skin more comfortably. Meanwhile, the modulus of a rigid electrode lead end is kept higher, and it is ensured that electrophysiological signals can be stably collected. Compared with a traditional hydrogel electrode, the process provides a better solution for application of real-time monitoring equipment, and is of great significance to wearable equipment such as a non-invasive brain-computer interface.

The application relates to a smart wearable element-based motion regulation device and a regulation method, which combines the advantages of unconscious regulation and conscious regulation, combines the intuitiveness of real-time collection of motion information by a wearable sensor and real-time feedback of muscle electric stimulation, gives instructions for acting on muscles based on the real-time body state and action posture of a motion person, and improves the motion state, wherein the wearable motion regulation device comprises a polyester fabric layer, a shell, an elastic stretchable battery, an IMU (inertial measurement) monitoring element, an sEMG monitoring element, an EMS (muscle electric stimulation) hydrogel electrode sheet, a microprocessor, an elastic conductor and a TPU film composite conductive circuit. Compared with the prior art, the application has the advantages of intuitive, direct, real-time and accurate regulation of motion actions and postures, and flexible use of the wearable device.

The application discloses a self-adhesion eutectic gel electrode patch and a preparation method and application thereof, and belongs to the technical field of gel electrode materials. The self-adhesion eutectic gel electrode patch comprises the following raw materials: a carboxyl-containing monomer, polysaccharide, an initiator and a solvent; the amount of the polysaccharide is 1-10% of the mass of the carboxyl-containing monomer; and the amount of the initiator is 0.1-2.5% of the mass of the carboxyl-containing monomer. The eutectic gel electrode patch has excellent environmental stability, good conductive performance and mechanical performance in a wide temperature range of-40 DEG C to 60 DEG C, and the weight and shape of the eutectic gel remain almost unchanged under different humidity conditions. Moreover, the eutectic gel electrode patch prepared by the application has excellent adhesion, and can meet the requirements of long-time wearing and high-efficiency monitoring of patients.

1. The name of the design product: silicone electrode (2). 2. The use of the design product: used for matching transcranial electrical stimulation instrument, and conducting the electrical stimulation signal output by the transcranial electrical stimulation instrument. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention discloses a sleeping instrument based on dual-electrode electrical stimulation and a voice module, and belongs to the technical field of sleeping instruments. Comprising an eyeshade body, two tying belts are symmetrically arranged on the outer side of the eyeshade body, a first FPC soft board is arranged in the eyeshade body, a magnetic attraction female base is arranged on the front face of the first FPC soft board, a hardware shell is arranged on the outer side of the magnetic attraction female base, a second FPC soft board is arranged in the hardware shell, and the first FPC soft board and the second FPC soft board are arranged in the eyeshade body. The bottom surface of the hardware housing is provided with a magnetic suction port, and the magnetic suction port is in magnetic connection with the magnetic suction female seat. The self-developed gel electrode is adopted, different from most products in the market, the self-developed gel electrode has good fitness and conductivity, can be directly attached to the scalp for use, does not need to additionally treat hair or smear conductive adhesive and can be conveniently taken down at any time, meanwhile, the hardware shell is designed to be lightweight, detachable connection is achieved through the magnetic suction port and the magnetic suction female base, and the practicability is high. And the burden during wearing is further reduced.

The application discloses a lithium-sulfur battery gel electrode based on PECA-N slow release polymerization and a preparation method thereof, relates to the technical field of lithium-sulfur battery preparation, and is characterized in that, in the technical route of pre-freezing and low-temperature polymerization, the slow release polymerization of ethyl cyanoacrylate is realized by taking nitrogen-methyl pyrrolidone as an initiator, and the obtained polymer polyethyl cyanoacrylate (PECA-N) is used to prepare a gel electrode, so that the utilization rate of sulfur and the performance of the battery can be obviously improved, the stability of the electrode structure and the cycle life are greatly enhanced, and the occurrence of the "shuttle effect" is obviously slowed down.

The disclosure provides a double-conductive-path gel electrode patch and a preparation method thereof, which can be applied to the technical field of health sensing monitoring. The preparation method of the double-conductive-path gel electrode patch comprises: dispersing polyvinyl alcohol, graphene oxide and trivalent iron ion-coordinated polydopamine in an aqueous solution to obtain a mixed solution; injecting the mixed solution into a mold, and performing a freeze-thaw cycle to make the mixed solution into a gel state to obtain the double-conductive-path gel electrode patch, wherein the freeze-thaw cycle comprises at least one freezing operation and at least one thawing operation.

Disclosed is an electrode precursor composition suitable for preparing a gel electrode, the composition containing an organic solvent, an alkali metal salt, and two or more polymers, the two or more polymers including at least an electronically insulating polymer and an electronically conductive polymer, wherein the electronically conductive polymer is present in a smaller volume fraction than the electronically insulating polymer.

The invention discloses a hydrogel electrode with adhesiveness and sweat resistance as well as a preparation method and application of the hydrogel electrode, and belongs to the technical field of flexible hydrogel sensing materials. The electrode is prepared by dissolving acrylic acid, hydrophobic modified tannic acid, an initiator, polyethyleneimine and a conductive substance in deionized water to form a precursor solution, casting the precursor solution through a mold and then carrying out ultraviolet polymerization. The hydrogel electrode prepared by the invention has good mechanical strength, excellent skin adhesion, remarkable sweat interference resistance, high conductivity and low contact resistance. The electrode can be directly attached to the skin, is used as a strain sensor or is used for collecting various bio-electricity signals, and has the comprehensive advantages of high stability, good detection precision, low interface impedance, excellent biocompatibility, easily available materials, simple and convenient process and the like.

The application discloses an electrochemical method for loading adhesive polymer on the surface of an electrode and application, and the method comprises the following steps: sequentially performing cyclic voltammetry and constant potential method to realize rapid and patterned loading of the adhesive layer, and the method has the characteristics of flexible and simple operation, wide application range and repeatability. The flexible array electrode modified by the electrochemical method provided by the application only obtains the adhesive layer at the conductive part, so that the electrode has excellent adhesive performance, is more attached to human skin, and the stability of the skin-electrode interface is enhanced; when the electrode is attached to the skin for impedance testing, the skin interface impedance is lower than that of a commercial gel electrode, and the monitored electrophysiological signal is stable and accurate, meanwhile, the patterned loading characteristic can effectively prevent short circuit and signal crosstalk. The electrochemical method provided by the application is used as a modification technology, which is general and simple for electrophysiological sensors, and is of great significance for reducing the cost and improving the performance of wearable health monitoring devices.

This invention discloses a polyaniline / polyacrylamide / hydroxyethyl cellulose composite eutectic gel electrode material and its preparation method, belonging to the field of flexible electronic materials technology. First, a zinc chloride / ethylene glycol eutectic solvent is prepared. Hydroxyethyl cellulose, acrylamide, N,N'-methylenebisacrylamide, and a photoinitiator are fully dissolved in the eutectic solvent. After irradiation with a UV lamp, a polyacrylamide / hydroxyethyl cellulose eutectic gel is obtained. This eutectic gel is then immersed in a mixed solution of choline chloride / ethylene glycol / doped acid / aniline at room temperature. In-situ polymerization of aniline is initiated under low-temperature conditions. The resulting gel is then subjected to isothermal and humidity control to obtain the polyaniline / polyacrylamide / hydroxyethyl cellulose composite eutectic gel electrode material. The composite eutectic gel electrode material prepared by this invention exhibits good flexibility, excellent mechanical properties, superior electrochemical performance, and good environmental stability and freeze resistance, showing great development potential.

The application provides an ultrathin temperature-sensitive hydrogel flexible electrode and a preparation method thereof, and belongs to the technical field of hydrogel electrodes. A monomer acryloyl glycine amide and acrylic acid are mixed and dissolved in deionized water to obtain a mixed solution A; a chemical crosslinking agent and a poly(3,4-ethylenedioxythiophene)-poly(styrene sulfonate) solution are added into the mixed solution A to obtain a mixed solution B; sodium sulfate and tannic acid are added into the mixed solution B to obtain a prepolymerization solution; an initiator is added into the prepolymerization solution to obtain a polymerization solution; thermoplastic polyurethane particles are added into a mixed solution of N,N-dimethylformamide and tetrahydrofuran to form a precursor solution, and electrostatic spinning is performed on the precursor solution to obtain a film matrix; the polymerization solution is coated on the surface of the film matrix, and a conductive copper foil is packaged to obtain the ultrathin temperature-sensitive hydrogel flexible electrode. The mechanical property and the adhesion property of the flexible electrode are improved, and the dynamic adjustment of the adhesion strength can be realized by adjusting the temperature.

The invention discloses a composite aerogel material as well as preparation and application thereof. The material comprises a continuous three-dimensional porous network skeleton formed by overlapping reduced graphene oxide sheet layers, composite nano-particles are dispersed on the surfaces and among the reduced graphene oxide sheet layers, and the composite nano-particles are composed of carbon nitride and bismuth oxide. The preparation method of the composite aerogel material comprises the following steps: mixing a graphene oxide aqueous dispersion, a graphite phase carbon nitride nanosheet aqueous dispersion and a bismuth salt aqueous solution to obtain a reaction solution; carrying out hydrothermal reaction on the reaction liquid or adding a reducing agent into the reaction liquid and then carrying out water bath reaction, and cooling after the reaction to obtain hydrogel; and soaking the hydrogel in an alcohol solvent, replacing, taking out, and freeze-drying to obtain the composite aerogel. The composite aerogel electrode material provided by the invention is not only suitable for treatment of chlorine-containing wastewater, but also can be expanded and applied to capacitive deionization removal of other anions, and has relatively good universality and popularization value.

The invention discloses a method for preparing a polypyrrole (PPy) aerogel supercapacitor electrode material through ultrasonic-assisted liquid-phase in-situ oxidative polymerization, and belongs to the technical field of energy storage device electrode materials. The PPy aerogel is prepared by adopting an ultrasonic-assisted means, taking ferric chloride as an oxidizing agent, adding a pyrrole monomer into a low-temperature ferric chloride solution, and carrying out liquid-phase in-situ oxidative polymerization. The method is mild in preparation condition, simple in process, controllable in process, low in energy consumption and free of additional additives and complex devices, and is an environment-friendly preparation technology. According to the technology, a pyrrole monomer is promoted to be uniformly dispersed and polymerized in a solution to form compact and uniform PPy particles by utilizing the shearing force and cavitation effect of ultrasonic waves, so that aerogel with a three-dimensional network structure is constructed; the obtained PPy aerogel electrode with the integrated three-dimensional network structure has abundant electrochemical reaction active sites, is beneficial to full play of pseudocapacitance, and is expected to be applied and popularized in the field of supercapacitor electrode materials.

The invention belongs to the crossing field of flexible sensing and machine learning, and provides a wearable thumbstall system integrated with a self-monitoring learning algorithm, which can quickly adapt to a new task and a new user under the condition that only a small amount of data is used. According to the thumbstall, the two telescopic flexible sensors are integrated at the two joints of the thumb respectively, so that fine actions of the thumb can be captured with high precision. The flexible sensor is constructed based on an ionized water gel electrode of a periodically distributed layered triangular prism array structure, and a dielectric layer formed by a conductive silver nanowire and an Ecoflex composite material is sandwiched, so that excellent stretchability and electrical signal response capability are realized. In the aspect of algorithm design, a comparative learning model based on time sequence information is provided, discriminative characterization can be automatically extracted from random thumb motion signals, and therefore accurate recognition of multi-fingertip interaction tasks is achieved. Experimental results show that the system achieves the recognition accuracy exceeding 92% in the two tasks of direction gesture recognition and virtual key input. More importantly, the system supports free switching among tasks, the model does not need to be trained again, the practicability and the automation level of the system are remarkably improved, and the system has the potential of being popularized to wider man-machine interaction scenes.

The present application relates to the technical field of biological electrode preparation, in particular to an ionic gel electrode and its preparation method and application. Plant polyphenols, acrylic ester monomers and ionic liquids with double bonds are mixed to obtain a precursor solution; the precursor solution is placed in a template for ultraviolet irradiation to obtain an ionic gel electrode. The present application uses plant polyphenols as a photoinitiator and functional components, adopts a solvent-free photoradical polymerization process, and successfully prepares a high-performance ionic gel elastomer. The material not only has excellent ion conductivity, low photoinitiator migration rate and no leakage characteristics, but also exhibits good long-term stability. The elastomer can be used as a conductive layer of a flexible sensing material or a biological electrode, and has a broad application prospect in flexible wearable devices.