445results about How to "Improve power generation effect" patented technology

An acidic group-containing solid polymer, having an acidic group such as a sulfonic acid group, a phosphoric acid group, and/or a phosphonic acid group, is dissolved in an organic solvent other than methanol. An ionic liquid is added to the solution to prepare a casting liquid. The casting liquid is subjected to casting in a cavity formed by an opening of a frame and a sheet member, each of which is composed of PTFE (fluorine-containing polymer material). Thereafter, the solvent is removed to yeild a proton conductor membrane.

Disclosed is a solar cell module comprising ten solar cells. The widths W1 of the solar cells arranged on the ends and the solar cells respectively arranged next to the solar cells are set 10-25% (1.1-1.25 times) longer than the widths W2 of the other solar cells. Consequently, the cell areas of the solar cells are larger than the cell areas of the other solar cells.

A membrane electrode assembly for a solid polymer electrolyte fuel cell includes an anode electrode, a cathode electrode, and a polymer electrolyte membrane sandwiched by the electrodes, the catalyst layer of the cathode electrode containing a catalyst supporting particle in which a precious metal is supported on heat-treated carbon black or activated carbon, an ion conductive material, and a crystalline carbon fiber. Heat treatment is preferably applied at 2,500 to 3,000° C. (degrees Celsius). The membrane electrode assembly provides superior power generation performance.

The invention provides a vertical shaft tidal current generating set. The vertical shaft tidal current generating set comprises three modules, namely an upper layer platform part, a supporting frame part and an impeller part, wherein the upper layer platform part mainly comprises a generator, a gear box, a horizontal connecting shaft, a supporting platform, a supporting column and a vertical connecting shaft; the supporting frame part is formed by connecting an upper frame plate, a lower frame plate, a left frame plate and a right frame plate; and the impeller part comprises a main shaft, a spoke sleeve, a spoke, a spoke shaft, a blade, a blade shaft, a wheel disk and an adaptive attack angle control device. The invention provides the high-performance vertical shaft tidal current generating set, which has high starting and generating performances and high structural strength, can be developed towards large-scale direction, can be used below a floating platform and above a pile base and a tension leg, is convenient to produce, manufacture, install and debug, and is suitable for engineering application.

The invention discloses a power converter for a switch reluctance starter/generator, and belongs to the technical field of fault tolerant control of switch reluctance generators and design of power converters. The power converter adopts a power converter topology, and effectively combines a switching tube and a load switching tube of each bridge arm by adding six auxiliary switching tubes S1-S6 in the conventional asymmetrical semi-bridge power converter topology of the self-excitation mode so as to realize redundancy when any switching tube of each bridge arm fails; and the switching tube has high utilization rate and strong reliability. Aiming at different fault modes, the power converter can be applied to various different control strategies, realizes fault tolerant operation, greatly improves the generating property and reliability of a generating system, and is quite applicable to fault tolerant control for the switch reluctance starter/generator.

Disclosed is a method for producing an electrode material for fuel cells, which electrode material has excellent electrochemical catalytic activity and uses a non-carbon conductive oxide carrier having high durability. Specifically disclosed is a method for producing an electrode material for fuel cells, which comprises the following steps. (1) A step wherein carriers mainly composed of tin oxide are dispersed in a solution containing a noble metal colloid, and the noble metal colloid is reduced so that the carriers are loaded with noble metal particles (2) A step wherein the carriers loaded with the noble metal particles are separated from the liquid and dried (3) A step wherein the dried carriers loaded with the noble metal particles are subjected to a heat treatment at a temperature of not less than 80° C. but not more than 250° C. in the presence of a reducing gas

The invention discloses a vehicle non-stop wireless-charging device based on a special road surface and belongs to the technical field of new energy vehicles. According to the vehicle non-stop wireless-charging device, a special road-surface module is laid on a traditional highway road surface, and an electricity-generating module and an energy recovering and storing module are installed on a vehicle. A permanent magnet is contained in the special road-surface module, and the permanent magnet is machined into the shape of slices to be laid on the road surface of a highway, so that a magnetic field is generated above the road surface; a lead is contained in the electricity-generating module to perform the action of generating electricity; the energy recovering and storing module can be used for recovering and storing generated electric energy. An induced electromotive force is generated by utilizing the Faraday's law of electromagnetic induction and cutting magnetic induction lines by utilizing the lead when the vehicle runs on the highway to generate the electric energy, and the part of energy is recovered and utilized by utilizing the energy recovering and storing module. Kinetic energy in the high-speed driving process of the vehicle is completely utilized and transformed by the device to generate the electricity, so that the device has the advantages of high reliability, low cost, safety, energy saving performance and environmental protection.

The invention discloses a method for generating power by high efficient floating type wave energy by rubbing. A device adopting the method comprises an anchor cable system, a floating body, an upper rod pump, a lower rod pump, a rubbing support frame, a truss, a hydraulic reservoir, a generator, a hydraulic motor, a hydraulic system accumulator, a high-pressure oil tube and an oil return tube. The anchor cable system flexibly positions the whole device to float in the working sea area; the floating body is forced to sway relative to the rubbing support frame and the truss due to wave action so that the distance between the hinge points of both ends of the upper rod pump and the lower rod pump connected by a hinge of the floating body changes, thus promoting the upper rod pump and the lower rod pump to work. High pressure liquid from the two rod pumps enters the hydraulic system accumulator via the high-pressure oil tube for energy storage and pressure regulation, and then enters the hydraulic motor to drive the generator to rotate so as to generate power.

A fuel cell has a membrane electrode assembly and first and second metal sheet separators. The first metal sheet separator has a fuel gas passage defined on a surface thereof. The fuel gas passage has a plurality of embossed bodies projecting from the surface which faces the membrane electrode assembly, and pairs of guide ribs provided by joining two or more of the embossed bodies.

The object of the present invention is to provide a catalyst having an excellent catalyst activity.

In the present invention, a catalyst is configured to include a catalyst support and a catalyst metal supported on the catalyst support, wherein a mode radius of pore distribution of pores of the catalyst is 1 nm or more and less than 5 nm, wherein the mode radius is equal to or less than an average particle radius of the catalyst metal, and wherein a pore volume of the pores is 0.4 cc/g support or more.

Sealing films for solar cells which inhibit the lead wires and electrodes of a solar cell from rusting and thereby enable the solar cell to retain its high power generation performance over a longer period. One of the sealing films is a light-receiving-side sealing film for solar cells which comprises an ethylene/vinyl acetate copolymer, a crosslinking agent, and an acid acceptor. Another is a back-side sealing film for solar cells which comprises an ethylene/vinyl acetate copolymer, a crosslinking agent, and an acid acceptor, wherein the acid acceptor is contained in an amount of 0.5 parts by mass or larger per 100 parts by mass of the ethylene/vinyl acetate copolymer.

A water control sheet having superior drainage and gas diffusion properties and superior handling characteristics, and a gas diffusion sheet, a membrane-electrode assembly and a polymer electrolyte fuel cell, which utilize the water control sheet, are provided. The water control sheet is independent and located for use adjacent to a catalyst layer of a polymer electrolyte fuel cell, and is formed of a nonwoven fabric containing conductive fibers containing conductive particles at least inside a hydrophobic organic resin. The gas diffusion sheet, the membrane-electrode assembly and the polymer electrolyte fuel cell according to the present invention have the above water control sheet.

The invention discloses a continuous and efficient wastewater treatment microbial fuel cell which mainly comprises an anode chamber, an anode, a polymer particle carrier, a proton exchange membrane, an external resistor, a cathode chamber, a cathode and an aeration head, wherein the anode is positioned in the anode chamber; the cathode is positioned in the cathode chamber; the anode chamber is a sealed container, the upper part in the anode chamber is a gas-liquid-solid three-phase separating area formed by a separator, and a fluidized reaction area is arranged under the three-phase separating area; the chamber wall of the anode chamber connected with the cathode chamber is provided with a through hole for leading a proton to enter the cathode chamber through the proton exchange membrane; the proton exchange membrane is arranged on a shifting path from the anode chamber to the cathode chamber; the cathode chamber is an upper opening container; the aeration head positioned in the cathode chamber is connected with an air inlet positioned on the wall of the cathode chamber, and the anode and the cathode are connected with the external resistor by leads to form a loop. The invention can recover chemical energy contained in an organic substrate when carrying out continuous and efficient treatment on wastewater and can be applied to the production practice of wastewater treatment.

The present invention provides a membrane-electrode assembly excellent in electric power generation performance and durability for use in a solid polymer electrolyte fuel cell and a solid polymer electrolyte fuel cell formed therefrom. The membrane-electrode assembly for use in a solid polymer electrolyte fuel cell has a solid polymer electrolyte membrane 1 sandwiched between a pair of electrodes 2 and 2 each containing a catalyst. The solid polymer electrolyte membrane 1 is formed of a polyarylene polymer including a repeating unit represented by the general formula (1), or a polyarylene copolymer including the repeating unit represented by the general formula (1) and a repeating unit represented by the general formula (2). The solid polymer electrolyte fuel cell includes the membrane-electrode assembly for use in a solid polymer electrolyte fuel cell.

The invention discloses an alternating buckling type wind piezoelectric energy collector. The alternating buckling type wind piezoelectric energy collector comprises a wind rotating part, a piezoelectric power generation part and a frame body part. The wind rotating part starts to rotate after being blown by the wind and drives the rotation of a cylinder rotating shaft installed at the center of aregular octagonal shell; the wind-driven rotational motion of the rotating shaft drives the rotation of the piezoelectric cantilever beam, and the interaction force of attraction and repulsion of a permanent magnet drives a piezoelectric buckling beam to perform alternating buckling deformation to the inner side or the outer side, so that the piezoelectric cantilever beam and the piezoelectric buckling beam work together to greatly increase the power generation efficiency. The alternating buckling type wind piezoelectric energy collector can be used for power sources of some wireless sensorsand can also be used as a charging device for portable electronic devices.

The present invention provides a membrane electrode assembly for use in a solid polymer electrolyte fuel cell which assembly can attain an excellent electric power generation performance both under low-humidity conditions and under high-humidity conditions. The membrane electrode assembly includes: a solid polymer electrolyte membrane 2 having proton conductivity; a cathode electrode catalyst layer 3 disposed on one side of the solid polymer electrolyte membrane 2; an anode electrode catalyst layer 4 disposed on the other side of the solid polymer electrolyte membrane 2; and two gas diffusion layers 5 and 6 disposed on a side of the cathode electrode catalyst layer 3 and a side of the anode electrode catalyst layer 4, respectively, both these sides facing away from the solid polymer electrolyte membrane 2; wherein the gas diffusion layer 6 in the anode side is smaller in contact angle to water than the gas diffusion layer 5 in the cathode side. The membrane electrode assembly also includes at least two coating layers 11a and 11b different in properties from each other between the gas diffusion layer 5 and the cathode electrode catalyst layer 3, and at least two coating layers 12a and 12b different in properties from each other between the gas diffusion layer 6 and the anode electrode catalyst layer 4.

The invention discloses a bipolar plate of a proton exchange membrane fuel battery. The bipolar plate comprises a first metal single plate, wherein the first metal single plate is provided with a plurality of first bosses at intervals, and a first groove is formed between any two adjacent first bosses; a second metal single plate is provided with a plurality of second bosses at intervals, and a second groove is formed between any two adjacent second bosses; the number of the first bosses is the same with the number of the second bosses, the first bosses correspond to the second bosses, the first bosses and the second bosses are respectively in a wave shape and are the same in the extending directions, and the bending direction of each first boss is opposite to the bending direction of eachsecond boss; a coolant flow field is formed between each first boss and the corresponding second groove, and an air flow field is respectively formed on each first groove and each second boss. The bipolar plate has the advantages that the air flow fields and the coolant flow fields are distributed in an embedding way, so that the thickness of the bipolar plate of the proton exchange membrane fuelbattery is greatly reduced, and the light-weight design requirement is met.

The invention relates to a breathable knitted spacer fabric friction generator and a preparation method thereof. The method comprises the steps of weaving a top layer and a bottom layer by using a three-wire plating process, controlling the yarn angles of surface yarns, intermediate yarns and ground yarns respectively such that the three yarns are sequentially arranged according to a certain positional relationship and then are woven, at the same time, in the weaving process, performing alternate tucking of spacer wires between a top layer ground yarn and a bottom layer ground yarn with a certain number of spacing stitches to form the breathable knitted spacer fabric friction generator, wherein a top layer surface yarn and a bottom layer surface yarn are at the outmost sides of a compositelayer and are insulating yarns, a top layer intermediate yarn and a bottom layer intermediate yarn are conductive yarns, the top layer ground yarn and the bottom layer ground yarn are opposite and are a triboelectric negative yarn and a triboelectric positive yarn correspondingly, and a spacer layer is composed of a set of spacer wires that are simultaneously connected to the top layer ground yarn and bottom layer ground yarn. The preparation method of the invention has the advantages of simple process and high weaving efficiency, and the obtained knitted spacer fabric friction generator hasgood gas permeability and has excellent promotion value.

A wind tunnel collecting generator comprises a frame, a turbine rotor, a snuffle valve and a tail wing. The frame is reduced stepped and then expanded. The turbine rotor is arranged in the frame. The snuffle valve is on the wall of the frame. The tail wing is arranged on the face of frame. Via the acceleration of frame, the improved efficiency of turbine rotor and the reduced pressure of snuffle valve, the inventive generator can own wide operation range, low occupied space, low heavy, low noise and high efficiency.

[Object] Provided is a catalyst having a high catalytic activity. [Solving Means] Disclosed is a catalyst comprising a catalyst support and a catalyst metal supported on the catalyst support, wherein the catalyst support includes pores having a radius of less than 1 nm and pores having a radius of 1 nm or more, a surface area formed by the pores having a radius of less than 1 nm is equal to or larger than a surface area formed by the pores having a radius of 1 nm or more, and an average particle diameter of the catalyst metal is 2.8 nm or more.