88 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 invention provides a temperature control reversible phase change whole brain acquisition and stimulation integrated gel electrode array and a preparation method thereof. The method comprises the following steps: constructing a 3D printing comb-shaped array, preparing a temperature control conductive gel coating and a temperature response flexible electrode, and forming an acquisition and stimulation integrated electrode array structure. By regulating and controlling the proportion and concentration of gelatin to PEDOT: PSS, a conductive gel layer which can flow among hair and is formed in situ is formed at the tail end of the electrode, so that the problems of hair compatibility, poor dynamic signal, complicated setting process and the like in long-term electroencephalogram monitoring are solved.

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.

An electrode for an alkali metal ion secondary cell and its precursor composition with a polymer-electrolyte gel matrix phase, a dispersed phase comprising an electrochemically active material, and a conductive additive with a tubular carbon material as a majority component, preferably MWCNTs (multi-walled carbon nanotubes). The electrochemically active material may be a lithium transition metal oxide, preferably NMC. The electrode may be produced by processing the composition as a film or coating by thermal processing or extrusion. A method of manufacture and storage device are also described. The use of gel electrodes avoids the use of energetically expensive sacrificial solvents, and the use of tubular carbon improves electrochemical performance reducing the tortuosity values.

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 polyvinyl alcohol / silk fibroin peptide / phosphoric acid composite hydrogel electrode as well as a preparation method and application thereof. The method comprises the following steps: fully mixing a polyvinyl alcohol solution, a silk fibroin peptide solution, a phosphoric acid solution and glycerol to obtain a hydrogel pre-gel solution, pouring the hydrogel pre-gel solution into a mold, and carrying out freeze-thaw cycle to prepare the polyvinyl alcohol / silk fibroin peptide / phosphoric acid composite hydrogel electrode. The composite hydrogel electrode disclosed by the invention not only has excellent biocompatibility, mechanical property, conductivity, adhesion property and water retention capacity, but also can be used as a gel electrode which is simple to operate and comfortable to wear to be applied to acquisition of bioelectrical signals; the method has a wide application prospect in the fields of wearable equipment, medical diagnosis, electronic skin, man-machine interaction, soft robots and the like.

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 present invention discloses an integrated multiphase hydrogel, and a preparation method and application thereof in flexible and stretchable supercapacitors. The integrated multiphase hydrogel of the present invention is formed by implanting semigel electrode into semigel electrolyte by injection or printing, wherein the electrolyte hydrogel is prepared by polyvinyl alcohol, phytic acid and sulfuric acid. The electrode hydrogel is prepared from heteropoly acid, polyvinyl alcohol, phytic acid, ammonium persulfate and aniline by heating and then freeze thawing. The hydrogel of the present invention can be directly used as anode and cathode of stretchable electrode of flexible and stretchable supercapacitor without any post-processing. The electrolyte hydrogel can be used as both stretchable electrolyte and elastic substrate. The prepared flexible and stretchable supercapacitor can maintain superior interfacial toughness, have excellent charging / discharging cycle stability, and have good capacitance retention under mechanical deformation conditions such as bending, twisting and stretching.

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 provides a preparation method and application of a gel electrode for electroencephalogram monitoring, and belongs to the technical field of electroencephalogram signal acquisition. The method is used for manufacturing electrodes for electroencephalogram signal detection. The method mainly comprises the following steps: sequentially dissolving 6H2O. MgCl2 and PVA in a mixed solution of EG and deionized water, stirring at a high temperature until PVA is completely dissolved to obtain a transparent mixed solution, then adding a conductive dispersion liquid, mixing to obtain a conductive gel solution, uniformly stirring, standing, repeatedly freezing and thawing, standing at room temperature to obtain a gel electrode main body, matching with a copper plate and a wire, connecting with the electrode main body, and carrying out electrostatic spinning to obtain the electrode. And obtaining the gel electrode. The prepared gel electrode does not need to use conductive paste, is convenient to operate, soft, comfortable, high in elasticity, high in moisture retention and good in use experience, can accurately monitor electroencephalogram signals, and has great potential in the aspect of long-term electroencephalogram monitoring.

The invention belongs to the technical field of hydrogel, and particularly relates to a high-strength, injectable and self-adhesive recyclable hydrogel electrode and a preparation method thereof. Grape seed protein, deionized water, conductive nanoparticles and plant polyphenol are utilized to form hydrogel, then the hydrogel is freeze-dried and crushed to obtain aerogel powder, and the aerogel powder is mixed with a monovalent-tetravalent metal ion aqueous solution to obtain the hydrogel electrode. The compression strength of the obtained hydrogel is as high as 6.4 MPa, in-situ gelling on the skin can be achieved, seamless attachment is achieved, the interface impedance of a hydrogel electrode is only 25 kilohms and is close to skin impedance, the signal-to-noise ratio is 22 dB, and the hydrogel is suitable for high-precision electromyographic signal monitoring. Due to reversible fracture recombination of non-covalent bonds (coordination bonds and hydrogen bonds), the hydrogel has recyclability, recovery is realized through freeze drying and grinding, and the compression strength, the adhesion strength, the interface impedance and the sensing performance are almost unchanged after recycling.

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 invention provides a flexible wearable HD-sEMG sensor and a preparation method thereof, and the sensor comprises an array electrode structure which comprises a plurality of sub-array electrode structures which are distributed in different areas of the surface of the sensor, each sub-array electrode structure comprises a plurality of electrodes which are connected through a plurality of layers of stretchable special-shaped structure wires, and the rear ends of the electrodes are connected with gating bonding pads; the gel electrode structure comprises a plurality of gel electrodes, the gel electrodes are located on the electrode surface of the array electrode structure, and materials for forming the gel electrodes comprise an electromagnetic shielding material and a thickener; the gel electrode structure is used for being in contact with the skin to obtain a bio-electricity signal, and the sensor is firmly attached to the skin. The sensor can meet the requirements for chip selection of different individual physiological structure requirements and gating of different acquisition devices, is firmly attached to the skin and can recognize micro action activation signals.

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 discloses an artificial cochlea super-hydrophilic gel electrode coating material with anti-fibrosis and self-repairing functions and a preparation method of the artificial cochlea super-hydrophilic gel electrode coating material, and the preparation process comprises the following steps: 1) preparing Res nano-emulsion by adopting nano-emulsification, mixing the Res nano-emulsion with a GelMA solution, and preparing Res (at) GelMA microgel through microfluidic and UV curing; 2) respectively preparing a Res (at) GelMA / CSMA mixed solution and an ODex solution, and mixing the Res (at) GelMA / CSMA mixed solution and the ODex solution to obtain a hydrogel premixed solution; (3) putting the artificial cochlea electrode into a light-transmitting mold, then pouring the hydrogel premixed liquid into the mold, and after UV curing and demolding, constructing an electrode gel precoating on the periphery of the artificial cochlea electrode; and 4) in a reactor, chemically grafting PGS on the surface of the electrode gel pre-coating, and washing, irradiating and sterilizing to obtain the electrode coating material. The artificial cochlea electrode with the novel coating has the advantages of being anti-inflammatory, anti-fibrosis, self-repairing and low in electrode implantation force.

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.

1. The name of this design product: EEG acquisition equipment (Hetu). 2. Purpose of this product design: Used for Wi-Fi communication, an EEG acquisition device that can be adapted to wet electrodes, gel electrodes, and fiber electrodes. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

The application discloses an ion conductive hydrogel and a preparation method and application thereof, relates to the technical field of functional hydrogel and sensors, and discloses the ion conductive hydrogel which comprises a gel-forming monomer, a crosslinking agent, an inorganic salt and a photoinitiator; the gel-forming monomer comprises acrylamide and zwitterionic monomer sulfobetaine methacrylate; the crosslinking agent is N, N'-methylene bisacrylamide; the photoinitiator is 2-hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone; and the solvent is deionized water. Based on the ion conductive hydrogel, an ion conductive hydrogel electrode patch can be prepared; by means of a wearable device, the ion conductive hydrogel electrode patch can be adhered to a human heart part, safe and comfortable heart rate variability data acquisition of the human body can be realized, and then the detection of CAN can be realized.

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 present invention belongs to the technical field of gel electrode materials. The present invention discloses an electrode patch with self-cooling and self-healing functions, its preparation method and applications. In the present invention, polydimethylsiloxane, water-soluble particles and a curing agent are mixed, and are sequentially cured and dissolved to obtain a porous polydimethylsiloxane skeleton; the porous polydimethylsiloxane skeleton, a hydrogel precursor solution and micro-nano particles are mixed and then cured to obtain the electrode patch. The hydrogel precursor can form dynamic chemical bonds during the curing process, endowing it with self-healing function, which can avoid damage caused by pulling and cutting during daily use. The porous polydimethylsiloxane skeleton and the hydrogel mixed with micro-nano particles embedded therein as a whole have high visible light reflectivity and high infrared emissivity. At the same time, due to the evaporation of water in the hydrogel precursor, the electrode patch has an evaporation-radiation hybrid cooling function, which can significantly improve the comfort level of wearing physiological electrodes.