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375results about "Kinetic-electric generator" patented technology

Preparation method and application of novel ionized water gel-based moisture power generation material

The invention discloses a preparation method and application of a novel ionized water gel-based moisture power generation material. The material is composed of a carbon coating fabric, ionized water gel and a patch metal electrode. Wherein the nano carbon black is used as a conductive filler of the hydrogel and can enhance electric energy output by promoting functional group dissociation and ion migration. The high-hygroscopicity sea salt in the hydrogel can enhance the capture and transmission capability of the material on water molecules in the atmosphere, and ensures the continuous power output capability of the moisture power generation material. Due to the design of the zigzag dry-wet interface, the wettability between the hydrogel and the carbon black coating can be improved, the moisture absorption rate is increased, the contact area is increased, and therefore the power generation power is improved. The metal patch electrode can ensure the stability of long-term power generation of the material, and can be customized to reduce the contact resistance. A moisture power generation device prepared from the material can be used as a passive energy supply device and is suitable for the fields of self-powered sensors, wearable electronic equipment and the like.
Owner:DALIAN UNIV OF TECH

Preparation method and application of water photovoltaic power generation device with enhanced plasmon effect

The invention belongs to the technical field of green energy power generation, and discloses a preparation method and application of a plasmon effect enhanced photovoltaic power generation device.The preparation method comprises the steps that a conductive substrate material is evenly dispersed in a solvent and then treated with a reducing agent to form substrate ink; the base material ink is prepared into a three-dimensional structure with pores by utilizing an additive and subtractive material technology, and a stable substrate material is formed through high-temperature treatment; and immersing the stable substrate material in a plasmon metal solution for a first preset time, taking out the substrate material, immersing the substrate material in a reducing agent solution for a second preset time, taking out the substrate material, and curing the substrate material by using an additive and subtractive material technology to form the water photovoltaic power generation device with enhanced plasmon effect. According to the preparation method, a three-dimensional block device with an interface pore structure is constructed through an additive and subtractive material technology, the light absorption capacity is improved, the utilization rate of light energy is improved through plasmon nanoparticles, the interface temperature of the device is increased, extra carriers are provided for the power generation process, and the output power of the device can be improved.
Owner:SUZHOU UNIV

Ion thermoelectric gel battery and preparation method and application thereof

The invention discloses an ion thermoelectric gel battery as well as a preparation method and application thereof. The ion thermoelectric gel battery comprises a metal electrode, ion gel and a carbon electrode which are arranged in sequence, the ionic gel comprises the following components: a gel matrix and an oxidation / reduction couple. According to the ion thermoelectric gel battery, the organic matrix is used as the gel matrix, the oxidation / reduction couple is added, and the concentration and proportion of the oxidation / reduction couple are adjusted, so that the thermoelectric chemical effect can be improved, and high ion thermoelectric potential and high output power density can be obtained. The metal carbon asymmetric electrodes are used, the in-situ micro primary battery effect and the coupling enhanced thermoelectric chemical effect are introduced, the output voltage, the current density and the output power density of the ionic thermal battery are improved, the output power density can reach 1.6 W m <-2 > under the temperature difference of 4K, and the ionic thermal battery has good thermoelectric conversion performance.
Owner:GUANGZHOU UNIVERSITY

Unbalanced field contact potential utilization device

The invention belongs to the field of new energy and relates to a novel electric energy acquisition technology. The non-equilibrium conductors are substances with the same Fermi level, and the contact potential generated by the non-equilibrium field effect existing between the non-equilibrium conductors with different mass and form is converted into electric energy for utilization. A medium (hereinafter referred to as an electric conduction control medium) which has electric conduction performance and controls voltage and limits electric conductivity under a certain condition is placed between conductors, good close contact is achieved between the medium and the conductors, and the result is that under the effect of the electric conduction control medium, non-equilibrium field contact potential is converted into electric energy capable of being continuously output.
Owner:金在杰

Moisture power generation fabric as well as preparation method and application thereof

The invention belongs to the technical field of functional materials, and particularly relates to moisture power generation fabric and a preparation method and application thereof. The moisture power generation fabric comprises a fabric substrate modified with a conductive and hydrophilic reinforcing material, and a surface coating area of the fabric substrate is loaded with a moisture absorption power generation functional material. The proton transmission efficiency is improved through a specific charge transfer effect and an ion occupancy effect among components of the moisture absorption and power generation functional material, and the permanent asymmetric moisture absorption difference on two sides of a coupling interface of a coated area and an uncoated area is used as a stable driving force for proton transmission, so that lasting direct current output is formed. The power generation performance of the moisture power generation fabric is determined by power generation composite parameters (namely the product of stable power generation time and the sum of relative humidity and temperature under the same weight and the quotient of the product and the water evaporation difference value on the two sides of a coupling interface), and the power generation composite parameters and the power generation composite parameters are in a nonlinear relation of increasing and then decreasing. Therefore, the power generation performance of the moisture-induced all-weather sustainable power generation fabric can be quantitatively controlled and optimized by adjusting the power generation composite parameters.
Owner:THE HONG KONG POLYTECHNIC UNIV

Moisture power generation device and preparation method and application thereof

The invention relates to a moisture power generation device and a preparation method and application thereof, and belongs to the technical field of new energy materials. The moisture power generation device comprises a first electrode, a second electrode, a photo-initiation hydrogel active material and a container, the second electrode and the photo-initiation hydrogel active material are sequentially loaded in a container; the first electrode covers the surface of the photo-initiation hydrogel active material; the first electrode comprises a carbon surface electrode with a porous structure and a thermal initiation hydrogel active material loaded on the surface of the carbon surface electrode; the carbon surface electrode with the porous structure is obtained by carbonizing the carbonizable polymer film through laser direct writing. The moisture power generation device has the advantages of being easy to assemble, suitable for large-scale production, capable of continuously generating power and high in power generation efficiency.
Owner:FUQING BRANCH OF FUJIAN NORMAL UNIV +1

Skin-core structure moisture power generation yarn, preparation method and application of skin-core structure moisture power generation yarn

The invention provides a skin-core structure moisture power generation yarn, the yarn at least comprises a metal core layer, a wrap yarn layer and a conductive coating, the wrap yarn layer comprises lithium chloride doped polyvinyl alcohol fibers and tightly wraps the periphery of the metal core layer through conjugate electrostatic spinning, and the conductive coating is nano conductive silver paint. And the conductive coating is not in direct contact with the metal core layer. The preparation method comprises the following steps: firstly, adding lithium chloride powder into deionized water, stirring at normal temperature until complete dissolution, then adding polyvinyl alcohol powder, heating and stirring until complete dissolution, standing and defoaming to prepare a wrap yarn layer spinning solution; performing conjugate electrostatic spinning on the prepared skin layer spinning solution to form nanofiber wrap yarn on the outer layer of the metal core; nano conductive silver paint is sprayed on the surface of the wrap yarn layer, and the wrap yarn layer is dried in the air. The yarn has good flexibility, and has excellent surface waterproof and moisture permeable performance, stability and reusability while forming stable output current and voltage.
Owner:NANTONG UNIV +1

N-site alcoholic hydroxyl spiropyrane, polyion liquid material, flexible stretchable nano-generator and preparation method

The invention belongs to the technical field of new energy materials, and discloses an N-site alcoholic hydroxyl spiropyrane, a polyionic liquid material, a flexible stretchable nano-generator and a preparation method, and the polyionic liquid material is prepared based on copolymerization of the provided novel N-site alcoholic hydroxyl spiropyrane and ionic liquid; the polyion liquid material can be used for preparing a flexible and stretchable nano generator; the stretchability of the nano-generator is realized, the output electrical performance of the nano-generator can be effectively adjusted by adjusting the stretch rate, and the nano-generator can be applied to the fields of intelligent flexible wearable equipment, health detection and the like and has a huge application prospect.
Owner:SICHUAN UNIV

Moisture power generation device and preparation method and application thereof

The invention relates to a moisture power generation device and a preparation method and application thereof, and belongs to the technical field of moisture power generation. The moisture power generation device comprises a flexible substrate, an upper electrode, a lower electrode and a power generation active material, the power generation active material is arranged between the upper electrode and the lower electrode; the power generation active material is of a core-sheath structure, a sheath layer on the edge is of a cross-linked hydrogel structure, and a core layer is a hydrogel precursor solution; the sheath layer limits the appearance of the hydrogel precursor solution in the core layer and is in contact with the atmosphere. The core-sheath structure of the power generation active material is prepared by an ultraviolet light induced polymerization / gelation one-step method. The moisture power generation device provided by the invention ensures stable and continuous electric energy output and remarkably improved moisture-electric energy conversion efficiency, adopts a miniaturized design, has the remarkable advantages of compact structure and convenience in integrated application, and is beneficial to large-scale production due to assembly convenience.
Owner:FUQING BRANCH OF FUJIAN NORMAL UNIV

A humidity-friction dual-mode power generation device and its application

The present invention relates to a moisture-triboelectric dual-mode power generation device and its applications. The power generation material of this invention features a unique layered structure and hierarchical porosity. Its components and structural properties are highly controllable, highly adaptable, and have great potential for large-scale production. This effectively ensures the excellent electrical performance and application potential of the dual-mode power generation system. The dual-mode power generation system provided by this invention achieves complementary power collection from moisture and triboelectricity, promoting the research and development of green and sustainable power sources.
Owner:DONGHUA UNIV

Preparation method of PVA / chitin porous nanosheet layered film and salinity gradient power generation application

The invention discloses a preparation method of a PVA / chitin porous nanosheet layered film for salinity gradient power generation, and belongs to the technical field of bio-based material functionalization. The preparation method comprises the following operation steps: firstly, preparing a chitin porous nanosheet by utilizing an acid steam combined ultrasonic strategy; modifying the surface of the chitin porous nanosheet with rich positive charges through quaternization reaction, and performing suction filtration and drying to obtain a porous nanosheet layered film; and finally, circularly freezing, thawing and packaging the porous nanosheet layered film by using polyvinyl alcohol hydrogel to prepare the PVA / chitin porous nanosheet layered film. According to the PVA / chitin porous nanosheet layered film, by means of combination of chitin nanosheet layer gap channels and micro-nano pore channels in nanosheet surfaces, ion transmission paths are increased, ion transmission resistance is reduced, the microstructure of the layered film is effectively stabilized jointly by means of the interlayer weak force effect and the hydrogen bond bonding effect between polyvinyl alcohol molecules, and therefore the film has the advantages of being capable of being used for preparing the composite film. And the optimal salinity gradient power generation output power density reaches 7.33 W / m < 2 >.
Owner:ANHUI GREEN ENERGY TECH RES INST CO LTD +1

Patterned water photovoltaic power generation device and preparation method thereof

The invention relates to a patterned water photovoltaic power generation device and a preparation method thereof, and belongs to the technical field of water photovoltaic power generation devices. The preparation method comprises the following steps: S1, dissolving a complexing agent, zinc salt and reducing sugar in water to obtain a zinc precursor solution; s2, printing the zinc precursor solution on the surface of a substrate through printing equipment to form a pattern, and carrying out thermocuring and annealing to obtain a patterned zinc oxide film; and S3, transferring the patterned zinc oxide thin film to the surface of the flexible substrate, and then manufacturing an electrode on the patterned zinc oxide thin film to obtain the patterned water photovoltaic power generation device. The patterned photovoltaic power generation device has a voltage output of more than 9 V, and has device stability for continuous 7 hours.
Owner:SUZHOU UNIV

Deep and far sea culture system based on photovoltaic-salinity difference coupling power generation and hydrogen production

A deep and far sea aquaculture system based on photovoltaic-salinity difference coupling power generation hydrogen production is characterized in that solar energy is converted into electric energy through an arranged photovoltaic power generation module, and the photovoltaic power generation module is connected with a storage battery to realize energy storage; the arranged seawater desalination and electrolysis module is combined with a heliostat field and a deep sea low-temperature environment, low-energy-consumption seawater evaporation and electrolysis hydrogen production are achieved, and it is guaranteed that electric energy of photovoltaic power generation can be stably used for hydrogen production; the salinity difference power generation module is used for generating power by utilizing the concentration difference between strong brine generated in the seawater desalination process and common seawater, so that extra electric energy is provided for the system, and the influence of direct emission of the strong brine on the environment is reduced; the arranged breeding module is provided with an automatic feeder and a dissolved oxygen monitor which are connected with an oxygen storage device, so that the dissolved oxygen concentration of the water body is kept stable, and the breeding conditions are further optimized. According to the system, the energy conversion efficiency can be improved, the seawater desalination energy consumption can be reduced, and an efficient and ecological solution is provided for the combination of renewable energy sources and fishery.
Owner:TIANJIN UNIV

Three-dimensional bio-based hierarchical pore nanocarbon water photovoltaic power generation material and preparation method and application thereof

The invention discloses a three-dimensional bio-based hierarchical pore nanocarbon water photovoltaic power generation material as well as a preparation method and application of the three-dimensional bio-based hierarchical pore nanocarbon water photovoltaic power generation material. The specific technical scheme of the preparation method comprises the following steps: firstly, preparing an acetic acid solution containing chitosan, glucose and borax, and standing the solution at room temperature for 24 hours; then, freeze-drying the precursor solution, and pre-carbonizing xerogel in a drying oven for a certain time; and finally, adding a certain amount of water into the pre-carbonized dry gel, putting the pre-carbonized dry gel into a reaction kettle with a polytetrafluoroethylene lining, reacting for a certain time at a certain temperature, dialyzing the obtained wet gel, and drying at normal temperature and normal pressure to prepare the nano carbon aerogel with the hierarchical pore structure. The nano carbon aerogel has good hydrophilicity, abundant surface charges and a hierarchical pore structure, and is a low-cost and excellent water evaporation induced power generation material.
Owner:SHAANXI UNIV OF SCI & TECH

Three-dimensional moisture generator based on vermiculite nanosheet film and preparation method of three-dimensional moisture generator

The invention relates to a vermiculite nanosheet film-based three-dimensional moisture generator and a preparation method thereof, the vermiculite nanosheet film-based three-dimensional moisture generator comprises a support, a bottom positive electrode, a functional layer, a bottom negative electrode and a solution pool, the support is successively coated with a positive electrode slurry and a functional mixture, the functional mixture comprises a vermiculite slurry and an adhesive, and a part of the functional layer is wiped to expose the bottom positive electrode. A middle interlayer positive electrode and a middle interlayer negative electrode are embedded into the solution tank, and a moisture absorption mixture is injected into the solution tank and comprises a polymer electrolyte and a fixing agent; the electrode extends out of the solution tank, the bottom positive electrode is close to the middle interlayer positive electrode, the bottom negative electrode is close to the middle interlayer negative electrode, the bottom positive electrode and the bottom negative electrode are oppositely arranged, and the middle interlayer positive electrode and the middle interlayer negative electrode intersect with the bottom positive electrode and the bottom negative electrode. Compared with the prior art, the non-flowing stable moisture absorption layer is formed, and use is more convenient; energy can be fully used, the mutual charging and discharging process is completed, and the recovery speed is increased.
Owner:SHUIFU ENERGY TECH (SHANGHAI) CO LTD

Hydrogel-based radiation refrigeration moisture power generation material as well as preparation method and application thereof

The invention provides a hydrogel-based radiation refrigeration moisture power generation material and a preparation method and application thereof, and belongs to the technical field of moisture power generation materials.The hydrogel-based radiation refrigeration moisture power generation material comprises a nano carbon black layer, a conductive hydrogel layer and a titanium dioxide layer which are sequentially stacked; the conductive hydrogel layer comprises a hydrogel matrix, a conductive filler and a temperature-sensitive material; the temperature-sensitive material comprises at least one of poly (N-isopropylacrylamide), a polyethylene glycol and polylactic acid copolymer and vanadium oxide; the cross section of the hydrogel-based radiation refrigeration moisture power generation material is of a W-shaped structure. The conductive hydrogel layer is of a three-dimensional network structure with conductivity and temperature-sensitive characteristics; the titanium dioxide layer realizes efficient sunlight reflection, the nano carbon black layer enhances heat conduction and conductivity, and the W-shaped structure promotes moisture flow and circulation; the multifunctional power generation device prepared based on the hydrogel-based radiation refrigeration moisture power generation material has good radiation refrigeration and moisture power generation performance, and is excellent in stability and durability.
Owner:HUBEI ENG UNIV

Method for improving performance of MXene-based water evaporation power generation device

The invention provides a method for improving the performance of an MXene-based water evaporation power generation device, and belongs to the technical field of water evaporation power generation devices. The method comprises the following steps: mixing FeCl2. 4H2O, deionized water, ascorbic acid and ethylene glycol, and introducing N2 or Ar to obtain an etching solution; adding carbon nanotubes into the etching liquid, and adjusting the pH value to 4; adding MAX powder into the etching solution, and carrying out etching reaction and standing treatment to obtain supernate; centrifugally washing and drying the supernate to obtain a precipitate; preparing the precipitate into a solution, performing suction filtration on filter paper, and performing drying treatment to obtain an MXene / CNT / filter paper composite film; and connecting conductive parts to the upper and lower ends of the MXene / CNT / filter paper composite film to obtain the water evaporation power generation device. The CNT is synchronously assembled through in-situ hydroxyl radical acidification and etching, so that the CNT and the MXene film form chemical bonding, and the current and voltage of the device are effectively improved.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Moisture power generation device and preparation method thereof

The invention discloses a moisture power generation device and a preparation method thereof. The invention discloses a preparation method of a moisture power generation device. The preparation method comprises the following steps: (1) preparing polypyrrole modified dust-free paper; (2) sequentially placing the polypyrrole modified dust-free paper, a sodium alginate / graphene oxide mixed solution and the polypyrrole modified dust-free paper in a directional freeze-drying device, freezing with liquid nitrogen, and then freeze-drying; and (3) soaking the freeze-dried product in a CaCl2 solution, pressing the product into a sheet, soaking the sheet in a LiCl solution, and blow-drying the sheet to obtain the moisture power generation device. The prepared moisture power generation device has the advantages of being good in structural stability and excellent in moisture power generation performance, and meanwhile the preparation method is simple and low in cost.
Owner:SOUTH CHINA UNIV OF TECH

High-current moisture generator under low humidity and preparation method thereof

The invention relates to the technical field of new energy power generation, in particular to a high-current moisture generator under low humidity and a preparation method thereof.The high-current moisture generator comprises a first electrode, an ionized water gel layer and a second electrode which are sequentially arranged, the ionized water gel layer has a salt concentration gradient, and the work functions of the first electrode and the second electrode are different; a first electrode is uniformly coated with an ionized water gel layer added with hygroscopic salt, and then the other side of the ionized water gel layer is covered with a second electrode, so that the moisture generator with a first electrode-ionized water gel-second electrode as a basic unit is formed. The moisture generator prepared by the invention is based on the synergistic effect of the primary battery effect and moisture power generation, so that the moisture generator has large short-circuit current at low humidity, the maximum short-circuit current can reach 5mA, and the moisture generator has relatively high power output density at low humidity and has a good self-power-generation function.
Owner:NANTONG UNIV

Wood-based water photovoltaic power generation material as well as preparation method and application thereof

The invention belongs to the technical field of renewable resource utilization and new energy, and relates to a wood-based water photovoltaic power generation material and a preparation method and application thereof.The wood-based water photovoltaic power generation material is prepared by taking natural wood as a raw material, performing chemical modification treatment and combining directional freeze drying and salting-out treatment. The wood-based water photovoltaic power generation material with relatively good mechanical strength is prepared by using the wood-based material as a raw material, the wood-based material has a highly-oriented porous structure, and under the conditions of 25 DEG C, standard atmospheric pressure and relative air humidity RH 30%, a 200-mesh copper mesh is used as an electrode, and the open-circuit voltage of a nano power generation device obtained by assembling in deionized water reaches 110 mV, and the short-circuit circuit reaches 0.74 mA. The material is simple in preparation process and wide in application scene, adopts natural high polymer materials as raw materials, has the environment-friendly advantages of reproducibility and biodegradability, and has a wide application prospect in the field of new energy materials.
Owner:ZHEJIANG FORESTRY UNIVERSITY

Wood-based evaporation-driven photovoltaic power generation device and preparation method thereof

The invention discloses a wood-based evaporation-driven photovoltaic power generation device and a preparation method thereof.The preparation method comprises the steps that natural beech serves as a matrix, and a surface gradient hydrophilic structure is constructed through pretreatment, deep eutectic solvent DES selective delignification treatment, citric acid modification carboxyl introduction and surface silane modifier spraying in sequence; directional transmission of water is realized through an anisotropic micro-channel reserved in wood, and stable water vapor flow induction potential is generated by combining ion selective migration induced by surface fixed charges and an interface evaporation process driven by a top photo-thermal layer, so that electric energy is continuously output. The device has good environmental adaptability, can stably output voltage and power in a high-humidity or high-salt environment, and shows excellent durability and expansibility. The method is environmentally friendly, the process is simple, functional high-value utilization of wood can be achieved, and the method is suitable for flexible electronic or distributed energy supply systems such as low-power-consumption sensors and environment energy collectors.
Owner:NANJING FORESTRY UNIV

Water evaporation power generation device based on MXene / filter paper composite film and preparation method thereof

The invention provides a water evaporation power generation device based on an MXene / filter paper composite film and a preparation method, and belongs to the technical field of water evaporation power generation. The preparation method comprises the following steps: adding FeCl2. 4H2O or FeSO4. 7H2O and ascorbic acid into a mixed solution of ethylene glycol and water, and stirring under a water bath condition to obtain an etching solution; slowly adding MAX powder into the etching solution, and carrying out magnetic stirring etching reaction to obtain a product solution; performing centrifugation, suction filtration and drying treatment on the product solution to obtain MXene solid powder; dissolving the solid powder in deionized water to form a solution, and carrying out suction filtration treatment on the solution on filter paper to obtain an MXene / filter paper composite film; the conductive parts are connected to the upper end and the lower end of the MXene / filter paper composite film, the water evaporation power generation device is obtained, the MXene stripping process is simple, the subsequent complex treatment process is not needed, and strong acid and virulent chemicals are not contained.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Energy storage concrete guardrail and preparation method thereof

The invention provides an energy storage concrete guardrail and a preparation method thereof, the guardrail comprises a super capacitor and a concrete outer layer, the super capacitor comprises two concrete composite electrodes arranged at an interval and an electrolyte sealed in a gap between the concrete composite electrodes; the concrete composite electrode comprises a concrete electrode and a current collector inserted into the concrete electrode, and the concrete composite electrode is mainly prepared by the following steps: uniformly mixing second concrete mortar, paper fibers, nano carbon black and a water reducing agent to prepare conductive concrete mixed slurry; and pouring the conductive concrete mixed slurry into a mold, and shaping and curing the conductive concrete mixed slurry and a current collector. The concrete composite electrode material adopted by the energy storage concrete guardrail has relatively high specific capacitance and mechanical strength and is low in cost, so that the energy storage concrete guardrail realizes integration of an energy storage function and safety protection under the condition that the energy storage concrete guardrail meets the requirements of structural safety and durability.
Owner:ZHENGZHOU UNIV

Solar-driven multifunctional composite hydrogel as well as preparation method and application thereof

The invention is applicable to the technical field of new energy materials and water treatment, and provides solar-driven multifunctional composite hydrogel and a preparation method and application thereof, the multifunctional composite hydrogel comprises dual-network hydrogel, a nanofiber skeleton and functional particles; the double-network hydrogel is formed by interpenetrating and cross-linking a polyelectrolyte hydrogel and a temperature-sensitive hydrogel; the functional particles are loaded in a three-dimensional porous network structure formed by the double-network hydrogel and the nanofiber skeleton. When the device floats on the surface of a water body, efficient solar interface evaporation water production, stable power generation based on the water photovoltaic effect and efficient adsorption removal of nitrogen and phosphorus nutritive salt in the water body can be synchronously achieved under illumination, and therefore algae growth is inhibited. According to the invention, the integrated collaborative management of water collection, energy conversion and ecological restoration is realized, the preparation process is simple, the environmental adaptability is high, and an innovative scheme is provided for solving the distributed water-energy supply and ecological environment problems in coastal, island and other regions.
Owner:JILIN UNIVERSITY

High-stability salinity gradient power generation film, preparation method and application thereof

The invention discloses a high-stability salinity gradient power generation film, a preparation method and application thereof, and a self-supporting film with an ordered layered structure is prepared by compounding montmorillonite MMT nanosheets and nanocellulose and combining vacuum filtration and gradient drying processes. The MMT nanosheet layered structure provides a directional ion channel, the negative charge surface enhances the cation selectivity, the nanocellulose flexible network inhibits MMT stacking, and the hydrogen-bond interaction improves the interface bonding force. The power density of the thin film reaches 4-6 W / m (50 times of salinity difference), the tensile strength is larger than or equal to 20 MPa, and the power attenuation rate is smaller than or equal to 5% after the thin film continuously operates for 100 hours. The preparation process is green and controllable, is suitable for seawater-river water and industrial wastewater salinity gradient power generation scenes, and has large-scale application potential.
Owner:NANJING UNIV +1

Water absorption power generation device based on TiO2 thin film and preparation method and application of water absorption power generation device

The invention belongs to the technical field of new energy power generation equipment, and particularly discloses a water absorption power generation device based on a TiO2 film and a preparation method and application thereof.The power generation device comprises a power generation assembly and an aqueous solution or water vapor or an aqueous ion solution, and the power generation assembly comprises a first electrode, a diaphragm and a second electrode; the first electrode is an FTO-TiO2 thin film, and the second electrode is a conductive electrode which is not easy to corrode. According to the water absorption power generation device based on the TiO2 thin film and the preparation method and application thereof, the prepared power generation device generates electric energy under the condition of low water content, and different from a traditional water evaporation power generation device structure, the power generation device adopts a sandwich device power generation structure and has the advantages of being simple, high in reliability, rapid in power generation and the like.
Owner:CHANGCHUN UNIV OF TECH

High-efficiency silicon-based water-volte device and preparation method thereof

The application discloses a kind of efficient silicon-based water-voltage devices and preparation method thereof, the silicon-based water-voltage device is composed of positive electrode, hole selective transport layer, silicon nanostructure, silicon substrate and negative electrode from top to bottom, the top end part of the silicon nanostructure is embedded in the hole selective transport layer.This application introduces hole selective transport layer in the interface of silicon nanostructure / positive electrode, uses the internal electric field formed by high work function hole selective transport layer in interface to prevent the migration of electron to positive electrode, realizes the selective transport of hole, reduces interface recombination loss to improve charge separation and collection efficiency;At the same time, the hole selective transport layer introduced realizes the transition of silicon nanostructure and positive electrode from point contact to surface contact, reduces the contact resistance of positive electrode interface, further promotes the efficient transport of hole at interface, thereby increases the collection efficiency of electrode to hole, under the synergistic effect of the above, effectively improve the electrical properties of silicon-based water-voltage device.
Owner:SUZHOU UNIV +1

Ionic gel moisture power generation and power supply system and preparation method and application thereof

The invention discloses an ionic gel moisture power generation and power supply system and a preparation method and application thereof, and belongs to the technical field of functional materials and waste gas monitoring. According to the system, dopamine, 1-vinyl imidazole, n-bromobutane and acrylic acid are used as raw materials, and an ionic gel moisture power generation material is prepared through an ultraviolet curing process; carbon cloth is used as an electrode to assemble a moisture power generation device, the device is integrated with a plastic pipe, and stable power support is provided for a waste gas monitoring sensor in the pipe. The ionic gel prepared by the invention has excellent cohesiveness, moisture responsiveness, ionic conductivity and mechanical stability, and the ultraviolet curing process is efficient and environment-friendly; the moisture power generation device can utilize environmental moisture to continuously generate power, solves the problem that a traditional waste gas monitoring sensor depends on an external power supply or frequently replaces a battery, is adaptive to a complex application scene of a plastic pipe, and has a wide industrial application prospect.
Owner:HUBEI WANJIN TECH CO LTD

A MSL membrane with enhanced osmotic energy conversion and preparation method thereof

The present invention relates to a MSL membrane with enhanced osmotic energy conversion and a preparation method thereof, belonging to the field of composite material technology. SL is dissolved in water and stirred at room temperature to obtain an SL solution. A MXene nanosheet solution and EGDE are added to the SL solution and mixed. The mixture is stirred under nitrogen, centrifuged, and repeatedly washed until the supernatant reaches neutrality. The precipitate is then redispersed to obtain uniform MSL nanosheets, thereby obtaining a two-dimensional channel MSL membrane. The present invention combines SL, which has abundant functional groups, with MXene, not only addressing the water stability issues of 2D MXene but also providing a larger surface charge for selective ion transport. The ordered MXene skeleton channels provide a shorter permeation path for rapid ion transport, resulting in an MSL membrane with ultra-low resistance.
Owner:TIANJIN POLYTECHNIC UNIV

Power generation device, preparation method thereof and electric equipment

The invention belongs to the technical field of power generation devices, and particularly discloses a power generation device, a preparation method thereof and electric equipment, and the power generation device comprises a positive electrode which comprises a positive electrode material; the negative electrode comprises a negative electrode material; the diaphragm is arranged between the positive electrode and the negative electrode; the positive electrode, the negative electrode and the diaphragm are soaked in the electrolyte; wherein the initial electrode potentials of the positive electrode material and the negative electrode material are different. The power generation device is formed by self-evaporation at room temperature, and is extremely low in energy consumption, green, safe, environment-friendly, small in size and wide in application range.
Owner:TSINGHUA UNIVERSITY