440 results about "Nanogenerator" patented technology

The floatable instantaneous generator comprises an outer layer in the form of a hemispherical floatable supporting bowl and an inner layer in the form of a liquid-solid triboelectric nano generator (ls TENG); the inner layer includes a fluorinated ethylene propylene (FEP) layer on an inner side of the bowl, a ring electrode on an upper surface of the FEP layer around a periphery thereof, a circular electrode on a bottom surface at a central portion of the FEP layer, and a droplet slidable on the upper surface of the FEP layer. When subjected to open sea waves, the bowl floats and tilts the ls TENG so as to slide droplets on the upper surface of the FEP, thereby creating and disconnecting contact between the ring electrode and the circular electrode and providing power to an electrical circuit connected between the ring electrode and the circular electrode.

The invention discloses a composite hydrophobic fiber membrane based on a friction nano-generator and a preparation method of the composite hydrophobic fiber membrane. The composite hydrophobic fiber membrane is composed of a polyvinylidene fluoride nanofiber membrane, boracite particles, hydrophobic nanoparticles and polyvinylidene fluoride microspheres. The boracite particles are embedded in fibers of the polyvinylidene fluoride nanofiber membrane, and the hydrophobic nanoparticles are uniformly attached to the polyvinylidene fluoride microspheres and the polyvinylidene fluoride nanofiber; the hydrophobic nano particles are titanium dioxide nano particles or zirconium dioxide nano particles. The preparation method comprises the following steps: dispersing boracite powder and polyvinylidene fluoride powder into N, N-dimethylformamide to prepare an electrostatic spinning solution; the preparation method comprises the following steps: dispersing hydrophobic nanoparticles and polyvinylidene fluoride powder into N, N-dimethylformamide to prepare an electrostatic spraying solution; the composite hydrophobic fiber membrane is prepared through synchronous electrostatic spinning and electrostatic spraying. The problem that a modified polyvinylidene fluoride fiber membrane friction nanometer generator is low in output electrical performance in a high-humidity environment can be solved.

The invention provides structures and synthesis of a class of piezoelectric monomers and COFs with fluorine-substituted side chains tethered on the peripheral position of an aromatic moiety (thus different functional side chains). The multi-fluoro groups on the mentioned piezoelectric COFs provide abundant piezoelectric active sites, which enable the application as the active layer for PENGs. The exemplary embodiments also provide a process for the fabrication of a piezoelectric COF and a process for the fabrication of the piezoelectric nanogenerator utilizing mentioned piezoelectric COF.

The invention relates to the technical field of vibration energy collection, in particular to a multi-mode composite friction nano-generator based on magnetic bistability. Comprising a rectangular shell, a rectangular sliding part is arranged in the rectangular shell, a vertical connecting plate body is arranged in the middle of the top of the interior of the rectangular shell and extends downwards into the rectangular sliding part, and an elastic reset assembly and a magnetic bistable mechanism are jointly arranged on the vertical connecting plate and the rectangular sliding part; contact separation type friction nanometer power generation units are arranged on the front end face and the rear end face of the rectangular sliding part and the corresponding inner wall face of the rectangular shell. Grid type sliding friction nanometer power generation units are arranged on the left side end face, the right side end face and the lower bottom face of the rectangular sliding part and the corresponding inner wall face of the rectangular shell. According to the invention, two modes of friction nano-generators and a magnetic bistable mechanism are integrated, so that the conversion efficiency of mechanical energy is remarkably improved; the defect of narrow frequency band of a traditional linear generator is overcome.

The invention particularly relates to hierarchical porous conductive gel, a preparation method thereof and a friction nano-generator. Aiming at the defects of mechanical property and electric conductivity of the existing conductive gel material, the invention provides the conductive gel with a multi-stage pore structure, food-grade raw materials are adopted, and the multi-stage pore structure is realized through a freeze-drying method and an interactive embedding mode of gel with different densities; the moist environment of an internal ion solution can be kept for a long time, and good stability and flexibility are achieved. The invention also provides a friction nano-generator using the gel material as a conductive medium, and the friction nano-generator has good electrical properties and good application prospects when applied to wearable electronic equipment.

The invention belongs to the technical field of generator devices, and relates to a bionic snail gold spiral structure all-directional collection wave energy friction nano generator, which comprises a packaging shell, a spring, a bounce bin, a pendulum bob, SR-TENG and VF-TENG. The SR-TENG in the horizontal direction and the inelastic connecting rod are sealed in the bouncing bin through the attached pendulum bob, the upper portion of the bouncing bin is connected with the spring, and the VF-TENG in the vertical direction is connected and integrally sealed in the packaging shell. The bionic snail shell gold spiral line structure is high in space utilization rate and small in device size, compared with other multi-degree-of-freedom TENG, horizontal 360-degree all-directional wave energy collection is achieved, integrity is high, only two wires are needed for the inner layer and the outer layer of the horizontal structure, wiring is simple, the pendulum motion frequency is high, low-frequency energy can be collected, and the device is suitable for large-scale popularization and application. The curved surface soft contact friction structure effectively increases the contact area.

The invention discloses a gait sensing unit of a triboelectric nano generator based on liquid metal / PDMS porous sponge, and relates to the field of gait sensors, and the sensing unit with high porosity, flexibility and durability is prepared through a template method. A white granulated sugar template is adopted to construct a three-dimensional communicated porous structure, so that uniform dispersion of LM in a PDMS matrix is realized, and the technical problem that low density and high sensitivity of traditional TENG are difficult to consider at the same time is solved. The preparation method comprises the steps of mixing and stirring, template infiltration, curing molding, template dissolution and the like, flexible sensors with thousand secondary cycle stability can be produced in batches, and the flexible sensor is suitable for wearable health monitoring equipment.

The invention relates to the technical field of fluid pressure sensing, in particular to a triboelectric hemispherical composite film pressure sensing device and a control method thereof, and the device comprises a shell, a top gland and a sensing unit located in the shell. The sensing unit comprises an insulating cover plate, a composite film, an insulating ring cover, a transmission buffer block, an annular end cover and a hemispherical composite film from bottom to top. The composite film directly contacts with hydraulic oil, deforms under pressure and acts with the copper foil on the lower side of the transmission buffer block to generate a first electric signal; when the pressure is increased, the transmission buffer block is pushed to move upwards, so that the spherical copper foil on the upper side acts with the hemispherical composite film to generate a second electric signal. Self power supply is realized by utilizing a friction nanometer power generation principle, wide-range monitoring is realized through a double-layer sensing structure, and the sensor has the advantages of high sensitivity, good sealing performance, adaptability to complex hydraulic working conditions and the like in cooperation with a spherical surface contact design and a multi-sealing structure.

There is disclosed a hybrid system for generating free energy from dam-water by integrating giant turbines with piezoelectric nanogenerators and solar cells. This three-in-one generator harnesses electrical energy from solar and mechanical energy. Strategically positioned large-scale turbines convert the kinetic energy of water flow into electrical energy. Concurrently, integrated piezoelectric nanogenerators transform mechanical stress from turbine operations into electrical energy via the piezoelectric effect. These nanogenerators function as self-charging hybrid supercapacitors (SCHSCs), featuring activated carbon (AC) electrodes and PVA-KOH-BTO electrolyte. Solar panels utilizing dye-sensitized solar cells (DSSCs) with TiO2 photoanodes, molybdenum disulfide (MoS2) counter electrodes, an iodine-based electrolyte, and dyes enhance energy conversion efficiency under varying solar conditions. The system efficiently generates electricity even under low-flow conditions, minimal sunlight, or when turbines are not operating at full capacity.

The invention relates to the technical field of conductive materials, and discloses ECC concrete based on carbon black doping and a preparation method and application thereof.The preparation method includes the following steps that cement, slag, quartz sand, silica fume and limestone powder are subjected to dry mixing to obtain a dry material; dispersing carbon black and a dispersing agent in water to obtain carbon black dispersion liquid; and mixing the dry material, the carbon black dispersion liquid, a polycarboxylate superplasticizer and polyethylene fibers to obtain the carbon black doped concrete. The conductivity of the ECC concrete is improved through the carbon black, the ECC concrete is applied to the field of friction nano-generators, potential difference can be formed through extrusion of an automobile in the using process, and therefore current is output to supply power to traffic lights, monitoring equipment and the like.

The invention discloses surface-modified self-repairing polyurethane, a friction nano-generator, a preparation method and application, and belongs to the technical field of material scientificity, and the preparation method of the surface-modified self-repairing polyurethane comprises the following steps: uniformly mixing a fluorine-containing group compound and hexamethylene diisocyanate, and carrying out heating reaction, extraction and drying to obtain the surface-modified self-repairing polyurethane. Mixing with serinol, dissolving in an organic solvent, heating for reaction, and drying to obtain a fluorine-containing group chain extender; and dissolving a quadruple hydrogen bond-containing chain extender and a fluorine-containing group chain extender in an organic solvent, adding the isocyanate-terminated polyurethane prepolymer, and carrying out stirring reaction, mold reversing and drying to obtain the surface-modified self-repairing polyurethane. The self-repairing polyurethane can effectively improve the environmental adaptability and the service life of the friction nanometer generator. The surface charge transfer efficiency is enhanced due to good conductivity, and the power generation performance is improved; meanwhile, the mechanical property is enhanced through hydrogen bond crosslinking, so that compared with traditional equipment, the environment universality is better.

The invention belongs to the technical field of intelligent sensing monitoring and micro-nano energy, and discloses an intelligent acid rain sensing monitoring method and system based on a total-current nano generator. The method comprises the following steps: preparing a total-current nano-generator as a sensing core element, and generating a characteristic electric signal corresponding to a pH value through the action with acid rain; constructing an intelligent algorithm processing module based on a ResNet 18-1D convolutional neural network (CNN), and performing multi-dimensional feature extraction and pH value intelligent classification on the collected electric signals; and displaying the electric signal waveform characteristics and the pH recognition result in real time through a visual interaction interface. According to the invention, the full-current nano generator is combined with the deep learning technology, the technical bottlenecks that a traditional acid rain detection method depends on a large professional instrument, needs external power supply support and is complex in operation process are broken through, and in-situ, rapid and intelligent monitoring of the acid rain pH value is realized. And an efficient and reliable solution is provided for real-time monitoring of acid rain in industrial areas and outdoor environments.

The invention discloses a friction nano-generator based on silk fibroin composite aerogel, a preparation method and application of the friction nano-generator. Biomass SF serves as a matrix and is combined with high-conductivity MXene, an interface structure between the MXene and the SF is improved through sodium alginate (SA), and biomass conductive aerogel with high mechanical property and electrical property is constructed and serves as a positive friction material; the friction nano-generator, which is combined with a polydimethylsiloxane / barium titanate (PDMS / BaTiO3) composite film with high dielectric property as a negative friction material, has high frictional electricity output property and stability. According to the invention, three different types of friction nano-generators of a plane type, a folding type and a wave type are developed, and the wave type friction nano-generator has the most excellent high-friction electricity output property and stability.

The invention relates to a liquid identification method and system based on a triboelectrification-convolutional neural hybrid network, and belongs to the technical field of liquid identification, and the method comprises the following steps: continuously mixing a pulse gas flow with a to-be-detected liquid to form a gas-liquid two-phase flow, inputting the gas-liquid two-phase flow into a triboelectrification nanogenerator, and collecting a voltage signal at the same time; according to the method, liquid to be detected is fully sheared through pulse airflow, gas-liquid two-phase flow enters the friction nano-generator to be in high-frequency contact-separation with the friction nano-generator, and the friction nano-generator is subjected to high-frequency contact-separation with the gas-liquid two-phase flow, so that the high-frequency contact-separation between the gas-liquid two-phase flow and the friction nano-generator is realized. The friction nanometer generator generates stable and repeatable voltage signals with high spatial and temporal distribution characteristics, the voltage signals are collected and preprocessed to obtain time sequence data, then the time sequence data are input into a convolutional neural network and long and short term memory network mixed model, and therefore the category or concentration grade of liquid to be detected is accurately obtained.

The invention relates to a power transmission line vibration energy taking device based on piezoelectric-friction nanometer power generation effect synergy. The device is composed of a TENG module and a PEG module, the TENG module comprises at least two friction nanometer generators in a vertical contact-separation mode, friction material layers of the friction nanometer generators are FEP films and nylon films, and friction electrode layers are copper foil films; the PEG module is composed of a pair of piezoelectric arrays, each piezoelectric array comprises at least one piezoelectric vibrator in a cantilever beam mode, and a piezoelectric material is Sm-doped PMN-PT piezoelectric ceramic. And the two are connected through an elastic material to form an integral energy taking device, the working frequency range is 0.1-150Hz, and the main frequency of aeolian vibration of the power transmission line can be covered. The device can effectively collect the vibration energy of the power transmission line, provides stable electric energy for monitoring equipment, solves the problem that a traditional energy taking mode is greatly influenced by environmental factors, has the advantages of being compact in structure, high in energy conversion efficiency, high in adaptability and the like, can be widely applied to the field of power transmission line monitoring, and provides powerful support for intelligent power grid construction.

The invention discloses a self-sensing intelligent thrust bearing based on a nano-generator and a state monitoring method of the self-sensing intelligent thrust bearing. The thrust bearing comprises a shaft ring, a seat ring, a rolling body, a retainer and a nano-generator sensing structure, wherein the rolling body and the retainer are arranged in an annular raceway between the shaft ring and the seat ring; obtaining a first voltage signal and a second voltage signal through a nano generator sensing structure; the state monitoring method comprises the following steps: acquiring a first voltage signal and a second voltage signal; respectively preprocessing the two paths of signals and then carrying out data-level fusion; dividing the fusion signal into a training set, a verification set and a test set, and training a data-level fusion 1D-CNN model; and inputting a to-be-tested signal into the trained model to realize intelligent classification of the bearing operation state. According to the invention, multi-source signal fusion sensing and real-time monitoring of the running state of the thrust bearing are realized, the structure is compact, the sensitivity is high, and the identification is accurate.

The present application relates to a kind of plant source exosome-encapsulated drug-loaded calcium-based nanogenerator and preparation method and its application, the nanogenerator includes drug-loaded core, the drug-loaded core outside is coated with plant source exosome shell layer;Wherein, the plant source exosome shell layer is selected from one or more of curcuma source exosome, broccoli source exosome, artemisia annua source exosome, camellia source exosome.This nanogenerator of the present application has the ability of enhancing calcium overload and amplifying cell oxidative stress, the generator can improve the stability and biocompatibility of CaO2 While, overcome tumor cell antioxidant defense mechanism.By curcuma source exosome as protective layer wrapped outside CaO2, solve the problem of CaO2 In vivo blood circulation stability and dispersibility, increase the efficiency of the nanogenerator into tumor cell.

The utility model discloses a fan blade type friction nanometer generator based on seabed ocean current energy, which comprises a shell, fan blades and a friction generator, a power generation cavity and a blade cavity are respectively arranged at two ends in the shell, the power generation cavity and the blade cavity are two mutually independent cavities, the fan blades are rotatably arranged in the blade cavity, the friction generator is arranged in the power generation cavity, and the friction generator is arranged in the friction generator. The fan blades and the friction generator are coaxially arranged and are in transmission connection through the magnetic coupling part; a water flow channel is formed in the shell, a flow guide cover is arranged in front of the fan blades, and water flow enters the water flow channel through the flow guide cover and pushes the fan blades to rotate. By arranging the power generation cavity and the blade cavity which are isolated from each other, the power generation component and the driving component are installed separately, transmission is conducted through the magnetic coupling component, a dynamic sealing structural part does not need to be installed, and the power generation component can be independently installed in the power generation cavity in a sealed mode; and meanwhile, as no dynamic sealing structural member is arranged, the transmission resistance is greatly reduced, and the mechanical loss is reduced.

The invention relates to the technical field of nanometer energy and sensing, in particular to a ferrite film direct current friction nanometer generator and a preparation method and application thereof.The ferrite film direct current friction nanometer generator comprises a positive electrode friction layer and a negative electrode friction layer, the negative electrode friction layer comprises a substrate, a conductive electrode and a functional layer, and the functional layer comprises an MZF film. The positive friction layer comprises copper metal; the functional layer of the negative electrode friction layer and the negative electrode friction layer are arranged in an opposite contact manner through a bearing type structure unit; the chemical formula of the MZF thin film is MnxZn (1-x) FeyOz, the value range of x is 0.5-0.7, the value range of y is 2-3, and the value range of z is 3-4. The MZF thin film in the nano-generator provided by the invention has a polycrystalline structure and a grain boundary interface polarization characteristic, the grain boundary interface polarization is enhanced when the temperature rises, carrier diffusion-drift balance is broken, and diffusion-dominated direct current output is realized.

The application discloses a pressure sensor based on friction nanogenerator, which can be deployed in a wearable device for monitoring pulse fluctuation, or deployed in an electronic device with a touch screen for detecting touch action. The sensor comprises two friction layers and at least one electrode layer. The two friction layers are respectively made of materials with different electron loss and gain abilities. The surface of at least one friction layer comprises a multi-stage micro-nano structure for inducing equal and opposite net charges corresponding to the applied pressure on the two friction layers under pressure. The multi-stage micro-nano structure comprises at least two kinds of micro-nano columnar structures with different heights. The electrode layer is used for generating current based on the net charges. The application can make the pressure sensor maintain high sensitivity to large static force through the designed multi-stage structure with different heights, and can expand the measurement range of the pressure sensor, so that the sensor maintains the same or similar sensitivity under various static forces.

The present invention provides a triboelectric nanogenerator and a method for preparing the same, relating to the field of triboelectric nanogenerator technology. The method comprises: simultaneously performing electrospinning and electrostatic spraying, wherein the electrostatic spraying material comprises a highly electronegative nanomaterial, such as polytetrafluoroethylene nanoparticles and polyperfluoroethylene propylene nanomaterials. The present invention utilizes a blending technique to simultaneously perform electrospinning and electrostatic spraying of the highly electronegative nanomaterial, resulting in a one-step, efficient preparation of an electrospun composite membrane. Furthermore, by using a high-voltage negative electrode to spray the highly electronegative nanoparticles, the present invention achieves corona polarization, allowing the electrostatically sprayed highly electronegative material to carry more negative charge, thereby improving the electrical properties of the composite membrane.

The present invention provides a piezoelectric nanogenerator based on coaxial heterostructured composite piezoelectric fibers, a preparation method, and a wireless sensing system. This preparation method involves coating the surface of BT with a layer of Ag nanoparticles, spinning the fibers using a coaxial needle, and finally producing a PENG (Peng). This method increases the effective polarization voltage of the piezoelectric particles during polarization and enhances stress transfer within the particles. This method exhibits high piezoelectric output performance, enabling the application of PENG in wireless sensing systems and scalable industrial applications.

The invention discloses a marine air bottle condensate water residue discharge monitoring device based on friction nanometer power generation, which comprises a short pipe section, a fixing device, a TENG sensor unit, a wire, a sensor electronic module and a cable waterproof joint, and is characterized in that the fixing device is fixed on the inner wall of the short pipe section, the TENG sensor unit is fixed in a clamping groove of the fixing device, and the wire is fixed on the TENG sensor unit; the sensor electronic module is fixed on the short pipe section, one end of the cable waterproof joint is connected to the short pipe section, the other end of the cable waterproof joint is connected with the sensor electronic module, the TENG sensor unit is connected with the sensor electronic module through a wire, and the wire is led out of the short pipe section from the cable waterproof joint to be connected to the sensor electronic module. The marine air bottle condensate water residue discharging monitoring device based on friction nanometer power generation can be arranged in a short pipe with a small drift diameter, space is saved, through module design, elements are convenient to install and replace, the structure is simple, material selection is not limited, corrosion resistance is achieved, pollution to the environment is reduced, the manufacturing cost is low, the customizable degree is high, and limitation of ship types is avoided.

The application discloses a kind of high-temperature-resistant bifunctional nanogenerator materials and preparation method and application thereof, belong to high-temperature-resistant sensitive material development field;Solve the poor flexibility, single function and lead toxicity of traditional high-temperature piezoelectric sensor and other problems;The application is that piezoelectric polymer polyacrylonitrile and anhydrous acetate are fully mixed in organic solvent and pre-cyclization, then the method of electrospinning is used to prepare flexible nanofiber membrane, and the composite fiber membrane is heat treated, and nanogenerator material is prepared;The nanogenerator material described in the application can work continuously in an environment higher than 450 DEG C, has pyroelectric function, has dual sensitivity to force and heat, and has good flexibility.The preparation method is simple, low cost, environment-friendly and excellent in electrical output performance, and is expected to have good application prospect in the field of force and heat sensitive signal monitoring and sensing in extreme high-temperature environment.

This invention discloses a solar-driven integrated device for collecting freshwater and droplet energy, comprising: a photothermal evaporation mechanism including a seawater tank, a light-transmitting part disposed on the seawater tank, a middle-layer collection part disposed on the light-transmitting part, a high-layer collection part disposed on the light-transmitting part, a floating part disposed within the seawater tank, a flow guide part disposed on the seawater tank, and an isolation part disposed on the flow guide part; and a droplet power generation mechanism including a storage part disposed within the seawater tank, a protection part disposed within the storage part, a power generation part disposed on the protection part, and an adjustment part disposed on the light-transmitting part. This solar-driven integrated device for collecting freshwater and droplet energy combines a triboelectric nanogenerator with photothermal interfacial evaporation, enabling the simultaneous use of solar energy for seawater desalination and freshwater collection, while also collecting droplet energy, thus converting mechanical energy into electrical energy and improving energy utilization efficiency.

The invention relates to a blade-free friction-electromagnetic composite generator based on an eddy current oscillation effect, and belongs to the technical field of wind energy collection and self-powered sensing. The invention provides a blade-free friction-electromagnetic composite generator with a fully-packaged inverted trapezoidal shell to solve the problems that an existing wind energy friction nanometer generator is poor in severe environment adaptability, materials are prone to being abraded, the generator is not friendly to birds, and all-directional wind energy collection is difficult to achieve. An internal magnet ball and a stainless steel ball are driven to move relatively through an eddy current oscillation effect, and meanwhile, a peripheral multi-layer contact separation type friction nanometer generator and a central electromagnetic generator unit are excited, so that low-wind-speed starting, full-wind-direction, wear-free and high-stability wind energy efficient conversion is realized, and a self-powered environment monitoring and lighting system is successfully driven.

The invention discloses an imaging system and an imaging method. The imaging system comprises a friction nanometer generator, a detection unit and a processor, the friction nanometer generator comprises a first friction layer, and the manufacturing material of the first friction layer comprises a flexible material. The friction nanometer generator provides an alternating current stimulation signal for the detection unit under the action of external force; the detection unit outputs the alternating-current stimulation signal to the to-be-detected structure and obtains a feedback signal output by the to-be-detected structure to the processor based on the alternating-current stimulation signal; the processor receives the feedback signal and then generates an image of the to-be-detected structure. Therefore, the imaging system adopts the friction nanometer generator as an alternating current stimulation signal source, and the first friction layer of the friction nanometer generator is made of the flexible friction material, so that the friction nanometer generator can perform more stable friction during working, and the signal-to-noise ratio of an alternating current stimulation signal output by the friction nanometer generator is improved; and the quality of an image obtained by the imaging system is improved.

The invention discloses a real-time self-driven wireless sensor based on a friction nano-generator. The real-time self-driven wireless sensor comprises the friction nano-generator, a discharging device, a sliding capacitive displacement sensor, an inductance coil and a receiving circuit, the sliding capacitive displacement sensor and the inductance coil form a parallel LC resonance circuit, and the friction nano generator supplies power to the LC resonance circuit through the discharge device; the sliding capacitive displacement sensor comprises an upper conductive flat plate and a lower conductive flat plate which are oppositely arranged, and at least one dielectric material layer located between the upper conductive flat plate and the lower conductive flat plate; the upper conductive flat plate is connected with a to-be-measured structure, the lower conductive flat plate is connected with the fixed end, and when the two conductive flat plates relatively displace, capacitance formed by the two conductive flat plates changes, so that the resonant frequency of the LC resonant circuit changes, and a mapping relation exists between the resonant frequency and displacement; the LC resonance circuit wirelessly transmits a resonance signal carrying displacement information, and the receiving circuit receives the resonance signal and analyzes the frequency to obtain the displacement information.

This invention discloses a long-term self-sustaining energy harvesting device and method with optimized oscillating hydrofoil airfoil profile. The energy harvesting device includes multiple spaced-apart oscillating hydrofoil units arranged in an array. Each oscillating hydrofoil unit includes a hydrofoil shell and a triboelectric nanogenerator. Multiple triboelectric nanogenerators are arranged side-by-side and closely fitted together along the chord length of the airfoil shell. The size of each triboelectric nanogenerator varies with the thickness of the hydrofoil shell, ensuring that the upper and lower arc surfaces of each triboelectric nanogenerator are tangent to the inner wall of the hydrofoil shell. When the oscillating hydrofoil unit pitches or oscillates under the influence of tidal currents, its internal triboelectric nanogenerators capture mechanical energy in real time and generate electricity, replacing the traditional oscillating hydrofoil energy conversion device. This method is simpler in structure, easier to manufacture, lower in cost, and improves energy harvesting efficiency and self-sustainability.