20results about How to "Improve power generation performance" patented technology

The utility model provides a solar power generation device, and aims to solve the problem that the temperature of a solar cell panel in a solar power generation device in the prior art is uncontrollable. The solar power generation device is sequentially provided with a solar cell panel, a heat conduction plate, a thermoelectric power generation piece, a phase change generation bin, a cold cover plate and a rear cover plate from front to back. A positive electrode and a negative electrode for supplying power to the outside are arranged on the thermoelectric power generation sheet; the solar cell panel is provided with a positive electrode and a negative electrode for supplying power to the outside; the heat conduction plate is arranged on the back face of the solar cell panel and used for transmitting heat energy on the solar cell panel to the thermoelectric power generation plate for power generation, and the phase change generation bin is used for storing residual heat energy which is not converted into electric energy by the thermoelectric power generation plate. The phase change generation bin is arranged in the solar cell power generation device and can be used for storing heat energy converted from solar energy and maintaining the heat energy at a specific temperature for a long time, so that the temperature of the solar cell panel is controlled, the temperature is prevented from being too high or too low, and the solar cell panel is kept at a good power generation performance.

The invention discloses a microbial fuel cell with a conductive dynamic membrane separator and application of the microbial fuel cell. The microbial fuel cell comprises a reaction chamber, a conductive dynamic membrane separator is arranged in the reaction chamber, the conductive dynamic membrane separator divides the reaction chamber into a cathode chamber and an anode chamber, and the conductive dynamic membrane separator is electrically connected with the cathode chamber or the anode chamber; the conductive dynamic membrane separator sequentially comprises a dynamic membrane, a metal power collection net and an oxygen isolation layer from inside to outside, the dynamic membrane comprises a frame material and a basement membrane, the frame material is used for supporting the basement membrane, and the basement membrane is made of a conductive porous material. The metal power collection net serves as a framework, the supporting function is achieved, and the power collection function is achieved. The ingenious design of the fuel cell structure in the scheme of the invention not only significantly improves the effluent quality and the oxygen isolation effect, but also reduces the manufacturing cost of the exchange membrane, and shows wide application potential in the fields of sewage treatment and reclaimed water reuse.

The invention discloses a wet-based generator based on a reversible chemical reaction of triiodide ions and a preparation method thereof, and relates to the technical field of new energy generators, the wet-based generator comprises two carbon electrode plates and gel located between the two carbon electrode plates, the triiodide ions are introduced into the gel, and the triiodide ions are introduced into the gel. One of the two carbon electrode plates is provided with a plurality of pore channels, and the two carbon electrode plates are connected through carbon fiber wires. The device designed by the invention is simple in structure, the preparation process in the preparation method is easy to operate, the wet-based generator based on the gel containing the triiodide ions not only has considerable current output and stable power generation performance, but also can effectively prolong the power generation life by reusing the iodide ions, and in addition, the device has good application prospects. The humidity adaptability of the device designed by the invention is wider, and large relative humidity span is not limited.

The invention provides a floating type wave energy capturing magnetic induction power generation device and method, and relates to the technical field of ocean renewable energy power generation. The stress floating plate is arranged on the sea surface; the generator support is fixedly installed on the stress floating plate, and the coil assembly is installed on the generator support. The sliding rail rod is fixedly arranged on the generator support, the sliding base is arranged on the sliding rail rod in a sliding mode, and the magnet assembly is rotationally hinged to the sliding base through a pin shaft. And the sliding block rod is fixedly connected with the sliding seat and forms a motion transmission matching relationship with the generator bracket. When waves act on the stress floating plate, the motion of the waves is transmitted through the generator support and the sliding block rod, the magnet assembly generates stable reciprocating relative motion relative to the coil assembly, magnetic flux in the coil is periodically changed, and therefore electric energy is output according to the electromagnetic induction principle. The device is simple in structure and short in energy conversion path, reduces complex mechanical transmission links, and has the advantages of being high in sea condition adaptability, high in operation reliability, low in maintenance cost and the like.

The invention discloses an intelligent buoy capable of increasing power by utilizing wave energy, which belongs to the technical field of ocean monitoring equipment and comprises a floating body, a first cover plate and a buoyancy part, the floating body and the first cover plate are fixedly connected through bolts and are of cylindrical structures, the buoyancy part is fixed on the outer wall of the floating body, four ribs are arranged in the floating body, and the first cover plate is fixed on the floating body. The floating ball is provided with four protruding edges, the four protruding edges divide an inner cavity of the floating body into four mounting cavities, through grooves penetrating through the bottom and the side face of the floating body are formed in the protruding edges, swing rods are arranged in the through grooves, and rotating shafts are rotationally arranged in the middles of the swing rods. The transmission shaft drives the coil to rotate positively and negatively under the action of the driving rod and the transmission assembly so as to cut a magnetic induction line, so that induction current is generated and is rectified by the rectifying circuit to charge the storage battery, and the power increasing function is achieved so as to prolong the endurance time of the buoy.

This invention relates to an MFC-A / O / A coupled wastewater treatment system, method, and application, comprising an A / O / A device and an MFC device connected in series. The A / O / A device includes an influent tank, an anaerobic tank, an aerobic tank, an anoxic tank, and a sedimentation tank connected in sequence. The MFC device includes: an anode disposed in the anaerobic tank; a cathode disposed in the aerobic tank; a resistor disposed outside the A / O / A device and connected to the anode and cathode; and a proton exchange membrane disposed between the anaerobic tank and the aerobic tank. Compared with the prior art, this invention uses enriched bacteria obtained from anaerobic and aerobic enrichment as the inoculum source for the MFC-A / O / A coupled system, which accelerates the system startup, shortens the startup time, and significantly improves the system's power generation performance.

The invention provides a synthetic microbial community and application thereof in degradation of trehalose and biofuel cells, and belongs to the technical field of synthetic microbiology and biological energy. A synthetic microbial community is constructed by means of synthetic biology, the synthetic microbial community comprises genetic engineering escherichia coli and shewanella, and the synthetic microbial community can realize a complete metabolic pathway from trehalose to acetic acid and an efficient electron transport chain; the method can be used for treating trehalose-rich wastewater or wastes and the like; the synthetic microbial community can be used for a microbial fuel cell, can stably generate current density and power density which are higher than those of a single strain or a natural mixed flora in the microbial fuel cell, and has good practicability.

The utility model provides a kind of wind power generation water storage energy storage system, the wind power generation water storage energy storage system includes wind driven generator, water pump, water storage jar, booster tank, water storage bin and impeller generator.The utility model is provided with wind driven generator, the electric energy generated by wind driven generator is provided to water pump after normal power supply use is completed, and the water in the inside of water storage bin is pumped into the inside of water storage jar by water pump.In later power supply, the control valve corresponding to the liquid inlet end of impeller generator under water storage jar can be opened, so that the water source in the inside of water storage jar flows into the inside of impeller generator to carry out secondary power generation.The application is provided with booster tank on the side of water storage jar, and booster mechanism is arranged in the inside of booster tank, the pressure in the inside of booster tank and water storage jar can be increased by booster mechanism, to ensure that water storage jar has enough water pressure to drive impeller generator to generate electricity during water release process, to ensure stable power generation effect and improve power generation efficiency.

The present invention provides a rigid-flexible composite polymer anode material and a preparation method prepared by variable temperature cycle technology. The material has unique properties such as high porosity and conductivity, good hydrophilicity and biocompatibility, good mechanical strength and bioelectrocatalytic activity, and has the characteristics of hydrogels and the excellent electrochemical activity of conductive polymers and nitrogen-doped carbon nanotubes. It is an ideal anode for bioelectrochemical systems (BES). It is conducive to the selective attachment of electricity-producing microorganisms and extracellular electron transfer, as well as the rapid transmission and degradation of the matrix. In addition, the excellent mechanical properties make it possible for the long-term and stable operation of BES. The material manufacturing process of the present invention is simple and low in cost. The power generation capacity of the BES system constructed with the material as the anode is greatly improved, and the anode bioelectrocatalytic activity is significantly enhanced, which has great application prospects.

The application discloses a kind of plant synergistic microbial power generation methods, including preparation membrane electrode, preparation plant material, electrode and plant tissue coupling, reference electrode connection, circuit connection, microbial inoculation, enhance microbial activity and fuel cell start-up etc., the application gets rid of the dependence on water environment, make the operation of plant power generation greatly reduce the influence of environmental factors, power output is more stable, thereby improve power generation efficiency and reliability.Secondly, the application expands the range of coupled plants.In addition, the application innovatively introduces microporous filter membrane between membrane electrode and plant tissue, optimizes the contact and material exchange between electrode and plant tissue, which helps to improve the performance of electrode and the power generation efficiency of fuel cell.

The invention discloses an asymmetric water-permeable nanogenerator based on copper oxide and a preparation method of the asymmetric water-permeable nanogenerator, and belongs to the technical field of fluid power generation. The asymmetric water-permeable nanogenerator is characterized in that copper nanowires are synthesized through a polyhydric alcohol reduction method, and then the copper nanowires are slightly oxidized in a solution environment to regulate and control the microstructure of the nanowires. By adopting a suction filtration loading technology, different slightly oxidized nanowires are respectively loaded at the left end and the right end of foam, an asymmetric structure is constructed, and a specific surface area difference is formed. And after high-temperature calcination in an air atmosphere, glycerol steam gradient reduction is carried out in vacuum to increase the concentration difference of carriers at the two ends, so that the asymmetric water permeation nano-generator based on the copper oxide is obtained. According to the invention, a nano semiconductor is selected as a functional material, the microscopic composition of the nanowire is regulated and controlled through a light oxidation-high temperature oxidation-gradient reduction method, and meanwhile, the original structure of a foam matrix is utilized to construct a nano generator with a three-dimensional asymmetric structure. The power generation performance is effectively improved through the regulation and asymmetric integrated design of the copper oxide microstructure, and the self-powered sensor can be widely applied to the field of self-powered sensing.

This invention provides a ceramic proton exchange membrane for microbial fuel cells and its preparation method, comprising the following steps: mixing clay, an inorganic modifier, and an organic modifier to obtain a solid powder; the inorganic modifier is alumina and silicon dioxide, and the organic modifier is selected from one or more of wheat flour, biochar powder, straw powder, and bamboo powder; the solid powder is ball-milled, granulated, pressed into sheets, and calcined to obtain the ceramic proton exchange membrane. This invention addresses the problems of poor mass transfer performance and low power generation performance of traditional pure clay ceramic membranes. Using clay as the matrix material, and through specific inorganic and organic modifiers, the pore structure of the material is adjusted. A novel ceramic proton exchange membrane is then prepared through ball milling, granulation, pressing, and calcination. This membrane has low manufacturing cost, good proton transport efficiency, and extremely low internal resistance. When applied to microbial fuel cells, it can achieve higher output voltage and more stable power generation performance.

The utility model discloses a high-performance double-cathode aluminum air cell based on a non-noble metal cathode aluminum mesh anode, which belongs to the technical field of metal fuel cells, and comprises a first cover plate, a second cover plate and a third cover plate, a first open hole, a second open hole and a third open hole are formed in the middle of the first cover plate, the middle of the second cover plate and the middle of the third cover plate respectively, and a first thin titanium sheet, a first cathode and a first silica gel gasket are sequentially arranged between the first cover plate and the second cover plate; a second thin titanium sheet, a second cathode and a second silica gel gasket are sequentially arranged between the third cover plate and the second cover plate, and an anode is arranged in the middle of the second cover plate. According to the high-performance double-cathode aluminum air battery based on the non-noble metal cathode aluminum mesh anode, the electricity generation performance of the designed double-cathode battery is superior to that of a traditional single-cathode battery, meanwhile, the double-cathode battery has good stability, and the electricity generation performance of the battery is greatly improved on the premise of low cost.

A membrane electrode assembly includes: a polymer electrolyte membrane; a pair of electrode catalyst layers in contact with the surfaces of the polymer electrolyte membrane with the polymer electrolyte membrane therebetween; and a gas diffusion layer laminated on each of the pair of electrode catalyst layers. Each electrode catalyst layer includes catalytic substances, carbon particles, polymer electrolyte aggregates, and fibrous substances, and the gas diffusion layer has a Gurley value, which represents the air permeability in the thickness direction, of 1.0 second or more and 3.0 seconds or less.

A membrane electrode assembly includes: a polymer electrolyte membrane; a first electrocatalyst layer and a second electrocatalyst layer sandwiching the polymer electrolyte membrane while being in contact therewith; a fuel electrode diffusion layer which is a gas diffusion layer laminated on the first electrocatalyst layer to form a fuel electrode; and an air electrode diffusion layer which is a gas diffusion layer laminated on the second electrocatalyst layer to form an air electrode. The air electrode diffusion layer has a Gurley value of 80 seconds or less in a thickness direction thereof, which is smaller than a Gurley value of the fuel electrode diffusion layer in a thickness direction thereof, the Gurley value indicating air permeability.

The utility model discloses a high-efficiency powerful magnet generator, and belongs to the technical field of generators. An efficient powerful magnet generator comprises a cross-shaped base and further comprises a second mounting plate fixedly connected to the center of the top of the base, the top of the second mounting plate is fixedly connected with a damping spring, the top of the damping spring is fixedly connected with a first mounting plate, and the top of the first mounting plate is fixedly connected with a generator body; the four sets of sliding blocks are slidably connected to the four supporting arms of the base correspondingly, connecting walls are rotationally connected to the four sets of sliding blocks correspondingly, and the ends, away from the sliding blocks, of the connecting walls are rotationally connected with the bottom wall of the first mounting plate; according to the utility model, the cooling medium enters the narrow space from the wide space, and the damping effect of the cooling medium is improved, so that the anti-seismic effect of the generator is improved, the pressure and the flowing speed of the cooling medium are improved, the cooling effect on the magnet block is improved, and the power generation effect of the generator is more stable.

The invention discloses a preparation method and application of an acid-etched nitrogen-doped carbon nanotube wrapped elemental iron composite material. The preparation method comprises the following steps: mixing a zeolite imidazole frame structure ZIF-8 as a precursor with dicyandiamide and ferric chloride hexahydrate, carrying out ultrasonic treatment, and carrying out centrifugal separation and drying treatment on the generated precipitate. And performing high-temperature pyrolysis on the dried precipitate in a tubular furnace to form a nitrogen-doped carbon nanotube coated elemental iron composite catalyst, and finally further treating the nitrogen-doped carbon nanotube coated elemental iron composite catalyst through an acid etching step to obtain the acid-etched nitrogen-doped carbon nanotube coated elemental iron oxygen reduction catalyst. According to the preparation method, the problem of large-size clustering of transition metal in the high-temperature pyrolysis process is solved, that is, the surface structure of the material is changed through acid etching, the dispersity of active components is improved, and the material shows good conductivity, excellent oxygen reduction reaction performance and electricity generation efficiency.

The present invention discloses an electro-Fenton sewage treatment system and a method for treating wastewater, wherein the electro-Fenton sewage treatment system comprises an iron sludge reduction unit, an electro-Fenton oxidation zone, a coagulation sedimentation zone, and an energy storage power supply system connected to the electro-Fenton oxidation zone, and further comprises a microbial fuel cell type artificial wetland unit respectively connected to the coagulation sedimentation zone and the energy storage power supply system; the microbial fuel cell type artificial wetland unit is connected to the coagulation sedimentation zone through an overflow pipe; the microbial fuel cell type artificial wetland unit is provided with a water distribution layer, a first filler layer, a bioanode, a second filler layer and an electrochemical cathode from bottom to top; microorganisms with electricity generation and iron reduction functions are attached to the bioanode. When the method of the present invention is used to treat sewage, the removal efficiency of acid red B dye reaches more than 87%, and the removal efficiency of COD reaches more than 82%.

The invention provides a thermoelectric micro power generation device which comprises a bonding layer, an N-type thermoelectric module and a P-type thermoelectric module, wherein the N-type thermoelectric module and the P-type thermoelectric module are located on the two sides of the bonding layer. The N-type thermoelectric module comprises a first substrate, and a T adhesion layer, a metal electrode layer, a first T barrier layer, an N-type thermoelectric material, a second T barrier layer and a first bonding layer which are sequentially deposited on the first substrate; the P-type thermoelectric module comprises a second substrate, and a T adhesion layer, a metal electrode layer, a first N barrier layer, a P-type thermoelectric material, a second N barrier layer and a second bonding layer which are sequentially deposited on the second substrate; and heating and bonding the first bonding layer and the second bonding layer to form a bonding layer. The thermoelectric micro power generation device has many pairs of thermoelectric arms, and has good power generation efficiency at a relatively low temperature difference. The invention also provides a preparation method thereof.