82 results about "Energy conversion devices" patented technology

A proton exchange membrane for an energy conversion device, a hydrogen fuel cell stack for a vehicle, and a method for producing a proton exchange membrane. The proton exchange membrane contains a first layer of a perfluorosulfonic acid ionomer. Furthermore, the perfluorosulfonic acid ionomer contains a first additive coated with methoxy nonfluorobutane. The hydrogen fuel cell stack comprises one or more membrane electrode assemblies, each containing a proton exchange membrane.

To provide an energy conversion device and a safety control method for the same.SOLUTION: An energy conversion device includes a first switch module (10), a motor inverter (20) which has first and second bus terminals respectively connected to first and second terminals of a battery (70), and in which the first switch module (10) controls ON / OFF of the first bus terminal and the first terminal of the battery (70), or controls ON / OFF of the second bus terminal and the second terminal of the battery, or controls ON / OFF of the first bus terminal and the first terminal of the battery (70) and ON / OFF of the second bus terminal and the second terminal of the battery, a motor winding (30) having a first terminal connected to a midpoint terminal of the motor inverter (20), and a second switch module (40) and a first capacitor (50) which are connected in series, and a first terminal and a second terminal of which are connected to a second terminal of the motor winding (30) and the second bus terminal respectively after the series connection is established.SELECTED DRAWING: Figure 1

Provided are a photon up-conversion film, a photon up-conversion body, a laminate, and an energy conversion device, which are capable of high-efficiency up-conversion, and methods of producing the same. The photon up-conversion film according to an embodiment of the present invention includes a color-forming portion containing at least: a sensitizing component capable of absorbing light in a first wavelength region λ1; and a light-emitting component capable of radiating light in a second wavelength region λ2 including wavelengths shorter than those of the first wavelength region λ1. A relaxation time of the photon up-conversion film measured by a spin-echo method through use of time-domain nuclear magnetic resonance (pulse NMR) at 298 K is less than 210 ms.

A transmission system comprises a gear shifting wet clutch, a power input shaft, a power output shaft and an energy conversion device. The gear shifting wet clutch is connected between the power input shaft and the power output shaft and provided with a brake inner hub, the power input shaft is further used for being connected with a power device, the power output shaft is further used for being connected to a drive axle, and the energy conversion device is used for being connected to an energy storage device. A kinetic energy recovery shaft is arranged on the energy conversion device, a kinetic energy recovery gear is arranged on the kinetic energy recovery shaft, and the kinetic energy recovery gear is in transmission connection with the brake inner hub. The energy conversion device can drive the kinetic energy recovery shaft to rotate forwards or reversely and can adjust the rotating speed of the kinetic energy recovery shaft so as to adjust the rotating direction and the rotating speed of the power output shaft. The invention further relates to an auxiliary driving method of the transmission system, a kinetic energy recovery method of the transmission system and a vehicle.

The invention relates to the technical field of 3D printing, and provides a Stirling type liquid cooling FDM 3D printing spray head device and a 3D printer, and the spray head device comprises a wire feeding assembly, an energy conversion assembly, a heating assembly and a hot melting spray head; the heating assembly is provided with a first wire channel, and the heating assembly is used for heating a printing wire passing through the first wire channel to be in a molten state; the hot melting nozzle is mounted at an outlet of the first wire channel, and the printing wire heated to be in a molten state is extruded out of the hot melting nozzle; the energy conversion assembly is configured to be used for collecting heat of the heating assembly and converting the collected heat into mechanical energy so as to drive the wire feeding assembly. According to the FDM 3D printing nozzle device, the wire feeding assembly, the energy conversion assembly, the heating assembly and the hot melting nozzle jointly form an energy conversion device similar to a Stirling engine, heat is converted into mechanical energy, the wire feeding, wire melting and printing functions of the FDM 3D printing nozzle device are achieved, a motor and a power supply module do not need to be configured, and the manufacturing cost is reduced. Effects of efficient liquid cooling, energy recycling and weight reduction are achieved.

The invention relates to the technical field of underwater in-situ power supply, and discloses a mooring observation platform based on a contra-rotating water turbine, and the platform comprises a housing which is internally provided with a containing cavity, and an energy storage device is disposed in the containing cavity; the mooring structure is connected with the shell, and the mooring structure is used for mooring the shell in ocean current; the two energy conversion devices are arranged, the two energy conversion devices are rotationally connected with the shell, the two energy conversion devices are coaxially arranged in the axis direction of the shell, and the two energy conversion devices are electrically connected with the energy storage device; during mooring, the first energy conversion device generates a first torque relative to the shell, and the second energy conversion device generates a second torque relative to the shell; the first torque and the second torque are equal in magnitude and opposite in direction. The two energy conversion devices generate two torques which are equal in magnitude and opposite in direction, so that the observation platform keeps balance under the action of ocean current, and the overturning risk of the observation platform is eliminated.

Device (12) for inductive energy transfer between a traction battery (10) and an electric motor (8) of a semi-trailer truck (2) with a tractor unit (4) and with a semi-trailer (6), wherein the tractor unit (4) has the traction battery (10) or the electric motor (8), comprising - a kingpin (14) formed by means of a ferromagnetic first core (22) which is provided with a first transformer winding (24), and - a fifth wheel coupling (18) with a seat (20) for the kingpin (14), wherein the fifth wheel coupling (18) has a ferromagnetic second core (30) with a second transformer winding (32), - wherein the ferromagnetic first core (22) is I-shaped and the ferromagnetic second core (30) is U-shaped, - wherein its U-shaped legs (34) face the seat (20) of the fifth wheel coupling (18), so that when the kingpin (14) is received in the seat (20) a transformer core is formed by means of the ferromagnetic first core (22) and by means of the ferromagnetic second core (30), and - wherein the second core (30) is curved inwards on its U-shaped legs (34) at the free end.

The present application relates to the technical field of energy conversion devices, and discloses a fluid energy conversion apparatus and an engineering machine. The fluid energy conversion apparatus comprises a rotating body, at least one first blade component, and at least one first limiting portion. The rotating body is used for outputting rotational mechanical energy. The first blade component has a first surface and a first axis. The first blade component rotates about the first axis and is connected to the rotating body, and an included angle is formed between the first axis and an axial direction of the rotating body. The first limiting portion is capable of limiting the first blade component, such that the first surface is in a flow-facing state. The foregoing configuration can improve fluid energy conversion efficiency, thereby further increasing the utilization rate of fluid energy.

Provided are a photonic up-conversion film, a photonic up-conversion body, a laminate, and an energy conversion device capable of high-efficiency up-conversion, and a method for manufacturing the same. The photonic up-conversion film of an embodiment of the present application has a color development portion that contains at least a sensitizing component capable of absorbing light in a first wavelength range λ1 and a luminescent component capable of emitting light in a second wavelength range λ2 shorter in wavelength than the first wavelength range λ1. With respect to the photonic up-conversion film, the relaxation time measured by the spin echo method using the time-domain nuclear magnetic resonance method (pulse NMR) at 298 K is less than 210 ms.

This invention discloses a ZnS-modified S-doped Fe-N-C catalyst, its preparation method, and its applications, belonging to the field of electrocatalytic materials and energy conversion technology. Using metal sulfate as a single precursor, this invention employs a one-step in-situ sulfidation strategy to simultaneously construct Fe-N4 active sites, dope S atoms, and generate ZnS nanoparticles in situ via pyrolysis under nitrogen protection, thus preparing a ZnS@Fe-NSC structured catalyst. This material exhibits high CO selectivity, low overpotential, and excellent long-term stability. The ZnS nanoparticles act as electron donors, regulating the electronic structure of the Fe center, enhancing the Fe-N coordination bond strength, effectively inhibiting Fe dissolution, and improving the CO2 reduction reaction kinetics and catalyst durability. This invention features a single precursor, simplified process, and controllable structure, showing broad application prospects in electrocatalytic CO2 resource utilization and energy conversion devices such as Zn-CO2 batteries.

Energy conversion device and vehicle. The energy conversion device comprises an electric motor (10), an electronic control unit (20), a traction battery (30), and a controller (40). The controller (40) controls all bridge arms (21) corresponding to the windings of the electric motor (10) so that coordination of drive and battery self-heating is achieved, and is configured to control the peaks and troughs of the real N-line current flowing through the N-line of the electric motor to cancel out or superimpose on the peaks and troughs of the real-phase current flowing through each phase of the windings of the electric motor (10), thereby decreasing or increasing the amplitude of the real-phase current of each phase of the windings at the peaks and troughs, thereby providing the electric motor (10) with a larger phase current to drive the electric motor (10). Thus, the torque output from the electric motor (10) is increased, thereby improving the overall dynamic performance of the vehicle or increasing the heat output of the electric drive system.

The invention discloses a fan tower drum vibration reduction and power generation device based on acoustic black hole and electromagnetic fluid coupling, which comprises an acoustic black hole structure, a piezoelectric structure and an electromagnetic fluid structure, and is characterized in that the longitudinal section of the acoustic black hole structure is of an annular structure of which the lower end is thick and the upper end is gradually reduced in power law, and the upper end of the acoustic black hole structure is provided with a terminal extension part; the piezoelectric structure is attached to the surface of the terminal extension part; the electromagnetic fluid structure is fixed at the bottom of the acoustic black hole structure, the electromagnetic fluid structure comprises a cavity coil shell and an electromagnetic fluid inner cavity, conductive fluid is arranged in the electromagnetic fluid inner cavity, an electromagnetic coil is arranged in the cavity coil shell, and the cavity coil shell is arranged adjacent to the outer wall of the electromagnetic fluid inner cavity. Through layered energy gathering of the acoustic black hole, direct energy collection of the piezoelectric structure and energy conversion of the electromagnetic fluid and the coil, the device can achieve broadband efficient vibration reduction and multi-mode energy comprehensive utilization, and the device is suitable for vibration resistance and energy recovery of the fan split type tower drum.

The invention relates to the technical field of nuclear fusion reactor energy conversion, in particular to a multi-heat-source three-tank heat storage type fusion reactor energy conversion device and system. The device comprises a first heat removal system, a second heat removal system and a three-tank heat storage system, the first heat removal system and the second heat removal system are connected with the three-tank heat storage system in series. The three-tank heat storage system comprises a first heat exchanger, a second heat exchanger, a high-temperature storage tank, a medium-temperature storage tank, a low-temperature storage tank, a low-temperature heat storage working medium pump, a medium-temperature heat storage working medium pump and a high-temperature heat storage working medium pump. The low-temperature storage tank is connected with a low-temperature heat storage working medium pump, the low-temperature heat storage working medium pump is connected with a second heat storage heat exchanger in the second heat removal system, and the second heat storage heat exchanger is connected with the medium-temperature storage tank. The medium-temperature storage tank serves as a buffer, allows the system to independently adjust the flow of each heat source heat exchanger, can adapt to the appropriate flow of the two heat source heat exchangers respectively, optimizes heat distribution, and provides a heat source with stable parameters for the thermoelectric conversion system during operation and stop of the fusion reactor.

The utility model discloses a coupling linear direct-drive wave energy conversion device, and belongs to the technical field of wave energy power generation. The device comprises a foundation pile, a floater and a linear power generation module, the foundation piles are fixed to the seabed. The floater movably sleeves the outer side of the foundation pile and moves up and down along with waves along the foundation pile; the linear power generation module comprises a central magnet and an induction coil, and the central magnet is fixed on the foundation pile; the induction coil is arranged on the periphery of the center magnet and connected with the floater. Waves drive the floater to move up and down along the foundation pile, the induction coil is driven to do linear motion relative to the center magnet, magnetic induction lines are cut to generate induction current, and direct drive conversion from wave energy to electric energy is achieved through cooperative work of the linear power generation module.

A method of optimal scheduling of multi-energy complementary system considering bilateral uncertainties of supply and demand is proposed to deal with the uncertainty challenge of energy supply and load demand in multi-energy complementary system. Firstly, the supply characteristics of various energies and the dynamic variation law of load demand in multi-energy complementary system are analyzed in depth, and the random fluctuation of energy supply on the source side and the uncertainty of load on the demand side are quantified. On this basis, an optimal scheduling model is constructed with the minimum system operation cost and the maximum energy utilization efficiency as the objectives. To effectively handle the uncertainty factors, robust optimization or stochastic optimization methods are introduced to transform the bilateral uncertainties of supply and demand into processable constraint conditions or objective function items. Through the coordinated control of different energy conversion devices and energy storage devices, the reasonable allocation and optimal scheduling of energy in multi-energy complementary system are realized, and the actual example is simulated for verification.

The present application relates to battery cell, symmetric battery, battery stack and energy conversion device, the solid oxide battery includes a plurality of battery units, each battery unit includes a fuel electrode, an electrolyte unit and an air electrode; the electrolyte units of a plurality of battery units are connected to form an electrolyte layer of the solid oxide battery cell, the fuel electrode is located on the first surface of the electrolyte layer, the air electrode is located on the second surface of the electrolyte layer, and the projection of the fuel electrode and the air electrode of each battery unit on the electrolyte layer. By arranging a large-size battery cell into several small-size battery units, the size of the battery is optimized, and the problem of poor uniformity of large-size batteries is overcome.

Currently, photovoltaic power generation is increasingly applied outdoors, but most photovoltaic panels are arranged at a single tilt angle to receive sunlight. However, as the sun rises and sets, the angle of incident solar radiation changes, such that the photovoltaic panels receive limited effective sunlight, thereby resulting in low conversion efficiency. Disclosed in the present invention is an energy conversion apparatus capable of automatic light compensation and light recycling. The apparatus has a simple structure, and can perform light compensation on a photovoltaic unit, the light intensity on which is lower than a set value, in a photovoltaic module, in order to balance the light intensity received by each photovoltaic unit in the photovoltaic module, and can receive sunlight from different angles around the clock, so as to achieve the conversion output of the whole photovoltaic module, with high energy conversion efficiency.

The utility model relates to the technical field of waste heat utilization, and discloses a high and low level energy conversion device for waste heat utilization, which comprises a device frame, a working medium storage box, a medium storage box and a preheating mechanism, and a conversion unit is arranged on the device frame. A conversion unit comprising a working medium heat exchange mechanism, a compressor, a medium heat exchange mechanism and an expansion valve is arranged on a device frame, and through cooperation of the working medium heat exchange mechanism, the compressor, the medium heat exchange mechanism and the expansion valve, heat energy transfer of fluid waste, high-low-level energy conversion of heat energy and heat energy recycling are conducted.

The utility model discloses a wave energy conversion device, particularly relates to wave power generation technical field, including drive subassembly, transmission subassembly and output subassembly, drive subassembly is used for converting wave energy into mechanical energy, drive subassembly and transmission subassembly transmission connection, the output end of transmission subassembly includes two ratchet wheel-gear subassembly, each ratchet wheel-gear assembly comprises a transmission gear and a ratchet wheel, the ratchet wheels and the transmission gear can be meshed or separated, the rotation directions of the ratchet wheels of the two ratchet wheel-gear assemblies are opposite, and when the ratchet wheel of one ratchet wheel-gear assembly is meshed with the transmission gear, the ratchet wheel of the other ratchet wheel-gear assembly is separated from the transmission gear. The output assembly comprises two input gears, the two input gears are meshed with the transmission gears of the two ratchet wheel-gear assemblies respectively, and the output end of the output assembly is used for being connected with a generator. The wave power generation device is simple in structure and capable of fully utilizing reciprocating motion of wave energy and improving energy conversion efficiency and power generation quality.

The utility model discloses a kind of high COP energy conversion devices, including first heat exchanger, second heat exchanger, condensing chamber, heating chamber, drying room and drying room are sequentially communicated by trachea circulation;The first heat exchange structure of first heat exchanger is connected in the condensing chamber, the low-temperature low-humidity gas after the gas in the condensing chamber passes through the first heat exchange structure is cooled into and enters heating chamber;The second heat exchange structure of first heat exchanger is connected in the heating chamber, the high-temperature low-humidity gas after the low-temperature gas in the heating chamber passes through second heat exchange structure is heated into and enters drying room;High-temperature low-humidity gas becomes high-temperature high-humidity gas after drying room and enters drying room;Second heat exchanger is connected in drying room, high-temperature high-humidity gas becomes high-temperature low-humidity gas after passing through second heat exchanger and enters condensing chamber. By re-delivering the gas in drying room to condensing chamber, waste heat and waste gas can be effectively recovered, thereby improving the overall COP.

This application relates to a biomimetic jellyfish-based hydroelectric generator and a self-powered marine monitoring system. The hydroelectric generator includes a biomimetic jellyfish structure, a mounting shell, and a triboelectric nano-power generation component. The biomimetic jellyfish structure includes a crown-shaped foam board and an annular elastic sheet, with the inner side of the annular elastic sheet connected to the outer side of the crown-shaped foam board. The crown-shaped foam board is fixedly connected to the top of the mounting shell, and the triboelectric nano-power generation component is installed inside the mounting shell. The triboelectric nano-power generation component includes multiple spaced electrode plates coaxial with the crown-shaped foam board. The electrode plates are divided into a first electrode plate and a second electrode plate. The first electrode plate is rigidly installed inside the mounting shell, and the second electrode plate is elastically installed inside the mounting shell. The triboelectric nano-power generation component generates electricity at least based on the contact separation between the first and second electrode plates. This invention solves the problem of low power generation efficiency in current small-scale wave energy conversion devices.

An energy conversion device is provided. The energy conversion device includes: a first substrate; a first electrode layer located on the first substrate; a hole transport layer located on a side of the first electrode layer away from the first substrate; a perovskite layer located on a side of the hole transport layer away from the first substrate; an electron transport layer located on a side of the perovskite layer away from the first substrate; and a second electrode layer located on a side of the electron transport layer away from the first substrate. The first electrode layer includes a first portion and a second portion spaced apart from each other. The first portion is electrically isolated from the second electrode layer. The second portion is electrically connected to the second electrode layer.

The invention relates to the technical field of space energy, in particular to a space charging station and a space energy system. The space charging station comprises a charging station main body, an energy acquisition device, an electric energy transmission device and a control device. The charging station body is provided with an energy conversion device and an energy storage device. The energy acquisition device is used for acquiring energy; the electric energy transmission device is connected with the energy storage device; the control device is connected with the energy acquisition device, the energy conversion device, the energy storage device and the electric energy transmission device. According to the space charging station and the space energy system provided by the invention, a power mode of carrying independent power generation or charging equipment on each spacecraft is replaced, and the spacecrafts in a space environment can be charged. Multiple energy forms are fully utilized, the energy utilization rate is high, and on-orbit long-time stable operation is achieved; safe, reliable, fast and efficient electric energy supply is provided for various spacecrafts with adjacent orbits or short-time approaching, and the flexibility and sustainability of on-orbit tasks are improved.

The application discloses a kind of based on CNN's nano-ion electrophoresis energy conversion power prediction method and system, collect the physical field parameter of nano-ion electrophoresis energy conversion device under different operating conditions to construct training dataset;Multi-layer multi-dimensional CNN model is constructed, and the training dataset after pre-processing and standardization is used to train CNN model;The physical field parameter of nano-ion electrophoresis energy conversion device and corresponding nano geometry structure parameter are re-collected to construct test sample dataset, and are pre-processed and standardized;Test dataset is input into trained CNN model, and the prediction result of maximum power generation is obtained, realize the accurate prediction of nano-ion electrophoresis energy conversion power.The depth of nano-ion electrophoresis energy conversion power prediction model is reduced, the model is lightened, and the maximum power generation of nano-ion electrophoresis energy conversion device under different conditions has higher prediction accuracy, and superior generalization ability is shown.

The invention discloses a liquid zinc-air battery based on an iron-gallium composite nitrogen-doped carbon material. A polished zinc plate is used as an anode, foamed nickel loaded with the iron-gallium composite nitrogen-doped carbon material is used as an air cathode, and a mixed aqueous solution of potassium hydroxide and zinc acetate is used as an electrolyte; according to the iron-gallium composite nitrogen-doped carbon material, iron and gallium serve as active components, nitrogen-doped carbon obtained through ZIF-8 pyrolysis serves as a carrier, and the mass content of the iron is 0.3%-6%, and the mass content of the gallium is 0.1%-2%. When the air cathode is applied to alkaline oxygen reduction reaction, the half-wave potential reaches up to 0.99 V or above, the current retention rate is larger than or equal to 95% after 40 hours, and the four-electron transfer number is close to 4. The peak power density of the zinc-air battery reaches 400 mW / cm < 2 > or above, the open-circuit voltage is 1.55 V, the specific capacity is 806.2 mAh / g under the current density of 10 mA / cm < 2 >, the charge-discharge cycle is stably kept for 355 h, and the requirements of the fields of portable electronic equipment, electric automobiles, energy storage systems and the like for high-performance and long-life energy conversion devices can be met.

The invention discloses an integrated energy conversion device based on cold and heat energy exchange and negative correlation characteristic coupling of temperature and magnetic force or magnetic conductivity characteristics, and relates to the technical field of energy conversion. The device comprises a temperature difference control magnetic force system, a cold and heat energy supply module, a cold and heat conduction path, an integrated control and power supply module and the like, and is directly thermally coupled through negative correlation characteristics of a cold and heat energy manufacturing system-temperature and magnetic force or magnetic conductivity characteristics, or a cold and heat energy manufacturing system-Curie effect dual-thermal coupling architecture. By utilizing the characteristic that the temperature is negatively correlated with the magnetic force or magnetic conductivity of a ferromagnetic substance and combining a cold and heat energy manufacturing system, the energy conversion is realized by supplying cold and heat energy of a magnetothermal effect or a refrigeration cycle.

A system for harvesting electrical energy from wind currents produced at an airport is disclosed. The system comprises at least one bladeless energy conversion unit positioned within a jet blast catchment zone of an aircraft runway. The bladeless energy conversion unit captures kinetic energy from airflow produced by aircraft engine exhaust during take-off and landing operations, while the energy conversion means converts the captured kinetic energy into electrical energy. The bladeless energy conversion units may include oscillating vertical column turbines, multi-aerofoil oscillating turbines, enclosed blade turbines, and stationary wind energy capture devices, strategically positioned to minimize interference with airport communication systems while maximizing energy capture. The system incorporates a support structure with a frangible base section, and installation points are carefully selected to prevent signal interference with the Instrument Landing System. Comprehensive power management capabilities ensure seamless integration with airport infrastructure, while advanced monitoring systems maintain operational safety and efficiency.

An energy conversion arrangement for an aircraft, an energy system, a propulsion unit, and an aircraft comprising an energy conversion arrangement and / or an energy system are provided. The energy conversion arrangement includes at least one exhaust outlet for letting out exhaust produced by a fuel conversion device, in particular a fuel cell system, for converting at least one fuel to electrical and / or mechanical energy in the fuel conversion device; and at least one exhaust assembly configured to admix a stream of the exhaust from the at least one exhaust outlet with ambient air from the ambient surroundings in at least one mixing zone to promote a growth of water droplets through at least partly condensing water vapor contained in the exhaust in the mixing zone.