311 results about "Thermoelectric conversion" patented technology

The invention relates to an ionic redox couple thermoelectric cement-based composite material, the composite material comprises a cement matrix and redox couples, and the redox couples exist in pores of the cement matrix; wherein the redox pairs are K4 [Fe (CN) 6] and K3 [Fe (CN) 6], and the porosity of the cement matrix is 25%-50%. According to the invention, the migration of ions in a cement matrix is regulated and controlled by introducing the redox couple, so that a relatively high Seebeck coefficient, conductivity and power factor are achieved while good mechanical properties are maintained, and the thermoelectric conversion efficiency is remarkably improved. Besides, the composite material can drive electrode reaction through temperature difference to generate a closed current loop, stable current output is achieved, and the problem of current output of a traditional ionic thermoelectric material is solved.

The invention relates to the technical field of new energy automobiles, and provides a hydrogen fuel cell automobile thermoelectric-thermal management cooperative system and a new energy automobile, and the system comprises a hydrogen fuel electric pile, a main cooling loop and a secondary cooling loop connected in parallel with the hydrogen fuel electric pile. The hot end and the cold end of the thermoelectric conversion module are connected to the primary loop and the secondary loop respectively. A cab evaporator and an auxiliary evaporator are sequentially connected in series through a refrigerant loop of the vehicle-mounted air conditioning system, and the auxiliary evaporator is connected to the upstream of the cold end of the thermoelectric conversion module on the secondary loop in series. The controller controls the air conditioner to operate based on the passenger compartment refrigeration demand. When the air conditioner is started to cool the passenger compartment, the refrigerant flowing through the auxiliary evaporator can cool the secondary loop cooling liquid again, so that the temperature of the cold end of the thermoelectric conversion module is reduced, the power generation temperature difference is increased, the waste heat power generation efficiency is improved, and the overall heat dissipation capacity of the system is enhanced synchronously. According to the system, intelligent coupling and energy gradient utilization of air conditioner refrigeration, waste heat recovery and whole vehicle heat management are achieved.

The invention discloses a TEC photo-thermal stable thermoelectric power generation device and a preparation method thereof, and relates to the technical field of thermal power generation, and the TEC photo-thermal stable thermoelectric power generation device comprises an energy capture module, a thermoelectric power generation module and a dual-mode heat dissipation module which are sequentially arranged from top to bottom; the energy capture module comprises a silicon substrate with a micro-cone array on the surface, a phase change energy storage buffer dielectric layer coated on the surface of the micro-cone array, and a silicon carbide film layer, a titanium nitride film layer and a titanium nitride nanoparticle layer which are sequentially arranged on the surface of the phase change energy storage buffer dielectric layer; the thermoelectric power generation module comprises a corrugated metal composite substrate and a plurality of thermoelectric units arranged on the surface of the metal composite substrate. The bottleneck that a traditional single material is insufficient in solar spectrum coverage is broken through, the solar energy utilization efficiency is greatly improved, excessive heat generated by sudden change of instantaneous illumination intensity can be effectively absorbed, and continuous and stable heat source input is provided for thermoelectric conversion.

The invention discloses a test method and system for a thermoelectric power generation system, and relates to the field of thermoelectric power generation, and the system comprises a generation module which is used for generating an analog thermoelectric signal with adjustable amplitude, frequency and fluctuation characteristics according to preset thermoelectric conversion core parameters, so as to simulate thermoelectric input scenes under different working conditions; the adaptation module is used for receiving external wide power supply, carrying out voltage stabilization and transformation processing and outputting electric energy matched with the energy consumption of each electric device; according to the invention, analog signals with adjustable amplitude, frequency and fluctuation characteristics can be generated according to thermoelectric conversion core parameters, thermoelectric input scenes under different working conditions can be accurately reproduced, wide external power supply is adapted, electric energy matched with the energy consumption of electric equipment is output, dynamic parameter scheduling and synchronous adjustment are realized by analyzing a test instruction, and the test efficiency is improved. Output voltage, current and temperature difference distribution data are collected synchronously, quantized data associated with thermoelectric input and electric energy output are generated through noise reduction, error correction and feature extraction, and a reliable test report is output efficiently.

The invention discloses a photo-thermal coupling self-powered tracking driving system, relates to the technical field of photovoltaic power generation, and solves the problems of energy consumption waste and use limitation in the prior art. The thermoelectric conversion module generates power by utilizing the temperature difference between waste heat generated by the photovoltaic panel in an illumination working state and the environment, the photovoltaic panel and the thermoelectric conversion module are electrically connected with the hybrid energy storage unit, and the hybrid energy storage unit comprises a capacitor and a rechargeable battery which are connected in parallel; the energy management controller is electrically connected with the photovoltaic panel, the thermoelectric conversion module and the hybrid energy storage unit and used for collecting the environment illumination intensity, the electric quantity state of the battery and the terminal voltage of the capacitor and generating a control instruction based on collected signals, and the driving mechanism is connected with the energy management controller and used for driving the hybrid energy storage unit to work. And driving the photovoltaic panel to adjust the azimuth angle and / or the elevation angle in response to the control instruction so as to perform sun tracking motion. The use adaptability is improved, and energy waste is reduced.

The invention provides a pi-type thermoelectric conversion module having excellent cooling performance in which reverse flow of heat is suppressed. A thermoelectric conversion member (A) including a thermoelectric conversion element (M) and a heat countercurrent suppression member (B) including a thermoelectric conversion element (K) are alternately disposed at intervals between a first substrate having a first electrode and a second substrate having a second electrode, the first substrate and the second substrate facing each other. The thermoelectric conversion member A and the thermal countercurrent suppression member B are electrically connected in series via the first electrode on the first substrate and the second electrode on the second substrate, carriers of the thermoelectric conversion element M and the thermoelectric conversion element K are different from each other, one is a hole, and the other is an electron, and the thermoelectric conversion element M and the thermoelectric conversion element K are electrically connected in series via the first electrode on the first substrate and the second electrode on the second substrate. The total SA (m2) of the surface area of the thermoelectric conversion member (A) joined to the first electrode and the second electrode is larger than the total SB (m2) of the surface area of the thermal countercurrent suppression member (B) joined to the first electrode and the second electrode.

The invention discloses an induction heating molten salt energy storage system with controllable distribution of large-plane plate-level eddy current, which comprises a salt storage tank, one end of the salt storage tank is connected with a heating device, and the other end of the salt storage tank is connected with a thermoelectric conversion device. The invention further discloses a design method of the induction heating molten salt energy storage system with the large-plane plate-level eddy current controllable distribution. The design method comprises the steps of designing the total heating power Ptotal, designing the total eddy current power Peddy of the metal heating plate and designing the molten salt flow Qv in unit time. The problems that the vortex area is small, distribution is uncontrollable, the molten salt heating temperature is uneven, and the heating efficiency is low are solved.

The invention belongs to the technical field of clean energy power generation and energy storage, and particularly relates to a multi-coupling liquid metal thermoelectric conversion system. The system comprises a liquid metal reactor module, a photo-thermal system module, a liquid metal energy storage module and an energy conversion module, the liquid metal reactor module is a core base load energy source of the system; the photo-thermal system module is used as peak regulation and supplementary energy; the liquid metal energy storage module serves as a shared energy storage unit of the nuclear energy and photo-thermal system. The problems that nuclear energy peak regulation flexibility is poor, photo-thermal power generation is intermittent, and a traditional molten salt system is limited in high-temperature performance and slow in response can be solved.

The invention relates to the technical field of thermoelectric functional materials, in particular to an SWCNT / MBene composite thermoelectric thin film and a preparation method and application thereof. An acidified P-type doped one-dimensional SWCNT is used as a substrate, two-dimensional MBene is loaded, a one-dimensional / two-dimensional mixed structure is formed through hot pressing, and the thin film of a heterojunction structure is obtained. Wherein the one-dimensional SWCNT provides a good flexible skeleton and a conductive channel, the two-dimensional MBene nanosheet provides a Seebeck coefficient to enhance the thermoelectric conversion performance of the film, and the two-dimensional SWCNT and the two-dimensional MBene nanosheet cooperate to effectively balance the flexibility, the stability and the power factor of the thermoelectric film. Meanwhile, the preparation process is simple and controllable, large-scale production is easy, and damage to material performance and restriction on production efficiency by a complex process are avoided. The composite thermoelectric thin film is good in flexibility and excellent in performance, the preparation process is suitable for large-scale production, the composite thermoelectric thin film has wide application prospects in the fields of miniature thermoelectric power generation devices, flexible electronic temperature control devices and the like, and a new scheme is provided for practical application of high-performance thermoelectric materials.

To provide a thermoelectric conversion material having a high dimensionless thermoelectric figure of merit over a wide temperature range, and a thermoelectric power generation module and a Peltier cooling module using the thermoelectric conversion material.SOLUTION: A thermoelectric conversion material according to the present invention includes a base material containing PbTe, and at least one element selected from the group consisting of elements whose ionic radius with a valence of +1 is smaller than the ionic radius of Pb with a valence of +2, which is contained in the base material, and the element whose ionic radius with a valence of +1 is smaller than the ionic radius of Pb with a valence of +2 is contained in the base material as an ion with a valence of +1, and the content is more than 0at% and less than 10.0at%.SELECTED DRAWING: Figure 8

The invention relates to the technical field of polymer waste recycling, and discloses a device and method for preparing methyl methacrylate through continuous regeneration of waste acrylic, and the device comprises a two-stage reaction and feeding system, a molten salt online regeneration and energy management system, and a gas-phase product active purification and collection system. The method comprises the following steps: in the first-stage flash evaporation depolymerization cavity, the waste acrylic is in direct contact with high-temperature molten salt to realize rapid flash evaporation depolymerization; finishing the finishing reaction in a secondary molten salt cracking reactor and stripping the product through inert gas; the gas product is subjected to quenching separation and collection after being purified by high-temperature plasma; and the reacted molten salt is subjected to filtering purification, thermoelectric conversion energy recovery and reheating, and then is circulated back to the first-stage reaction cavity. According to the invention, the problems of low heat transfer efficiency, more side reactions, and difficulty in continuous and stable production due to easy inactivation of the medium in the traditional thermal cracking process are solved, the efficient and continuous production process is realized, and the yield and the product quality of methyl methacrylate are improved.

The application discloses bentonite-regulated solar-driven light-heat-electricity conversion composite phase change material and a preparation method and application thereof, and relates to the technical field of phase change energy storage materials and solar energy utilization. The material is prepared by using bacterial cellulose aerogel as a porous framework, fixing MXene and TiN nanoparticles on the framework through cross-linking and gradient assembly to construct a light-heat-heat conduction network, dispersing bentonite intercalation in a polyethylene glycol matrix to form a composite phase change material, and then encapsulating the composite phase change material in the multistage pores of the aerogel. The surface of the framework has a hydrophobic modification layer. The preparation method comprises the steps of etching, aerogel framework construction, vacuum impregnation encapsulation and hydrophobic modification. The material has high light-heat conversion efficiency, high heat conduction promotion rate, excellent leakage prevention performance, fast crystallization characteristics and super-hydrophobic self-cleaning ability. When the material is combined with a thermoelectric power sheet, a solar light-heat-electricity conversion system can be constructed, and the material has a wide application prospect in the field of renewable energy.

The utility model relates to a light-transmitting type photovoltaic photo-thermal device which comprises a photovoltaic frame, a light-transmitting insulating back plate is installed in the photovoltaic frame, a photovoltaic battery pack string is installed on the upper layer of the light-transmitting insulating back plate through a bonding layer, a heat exchanger is installed on the lower layer of the light-transmitting insulating back plate, and the heat exchanger comprises a bearing shell. A plurality of spaced fins are distributed in the bearing shell, a heat exchange cavity is formed among the spaced fins, flow guide holes are formed in the spaced fins, the bearing shell is located at the front end and the rear end of the heat exchange cavity and provided with a feeding port assembly and a discharging port assembly respectively, a junction box is installed on the outer side of the photovoltaic frame, and the junction box is electrically connected with the photovoltaic battery pack string. Therefore, the light-transmitting insulating back plate is adopted, sunlight can be guided in, lighting assistance in the daytime is achieved, sunlight is effectively utilized, and consumption of indoor electricity utilization lighting is reduced. Sunlight heat energy can be introduced in daily life, indoor temperature adjustment is achieved, and in a high-temperature environment, the heat exchanger can be started to dissipate heat, and meanwhile heat energy is stored or thermoelectric conversion is carried out.

The present disclosure provides an energy collection heat insulation composite film, a preparation method thereof, and heat insulation glass. The energy collection heat insulation composite film comprises a heat insulation layer, an infrared reflection film, a thermoelectric conversion layer, and an ultraviolet absorption film. The infrared reflection film is arranged on the heat insulation layer, the thermoelectric conversion layer is arranged on the side of the infrared reflection film away from the heat insulation layer, and the ultraviolet absorption film is arranged on the side of the thermoelectric conversion layer away from the infrared reflection film. The material of the infrared reflection film comprises a material capable of reflecting infrared rays. The material of the ultraviolet absorption film comprises a material capable of absorbing ultraviolet rays. The energy collection heat insulation composite film can not only consume heat to avoid long-term accumulation of heat in the energy collection heat insulation composite film, but also realize recycling of heat energy.

A device (1) for rapidly transferring thermal energy from a thermal energy source (A) to a destination point (B) at a rate higher than the convection and heat transfer capacity of adjacent means 2 and for capturing said thermal energy point or surface, wherein a thermoelectric conversion means located at the destination point B can convert the thermal energy into electrical energy with zero emissions harmful to the environment and living things. The thermal energy is transferred by a coating 4 composed of a plurality of nanometric layers with atoms forming a regular geometric structure (Figure 1). The present invention also relates to a device for the transfer of thermal energy having multiple layers of carbonaceous material on a planar or non-planar (three-dimensional shape), opaque, transparent or translucent, rigid or semi-rigid substrate of fabric, metallic or non-metallic or flexible material, having flexible but not opaque, transparent or translucent natural or synthetic fibers. The present invention also includes a method for manufacturing a device (10 or 10a) for the rapid transfer of thermal energy. The method comprises at least one deposition step of at least one layer (12, 12a-12b-12c-12d, etc.) of a carbonaceous material having a regular geometric structure on a support substrate (11 or 11a) in an environment (110) of a deposition machine (100), the environment being vacuum-packed under controlled temperature and pressure conditions and isolated from the external environment, the deposition being performed along a direction perpendicular or locally radial to a plane or shape substantially defined by the support substrate (11 or 11a). The present invention also relates to an integrated system for generating electrical energy using said device coupled to a possible generator other than a renewable energy source of thermoelectric generator, photovoltaic and / or thermoelectric-photovoltaic and / or motive power type, all used jointly for the supply of an electrical load.

This invention relates to the field of low-grade thermal power generation technology, and more particularly to a Karina cycle power generation system based on an ORC working fluid pair and its application. The system includes a power generation unit with a circulating working fluid consisting of a first low-boiling-point component and a second high-boiling-point component. An external heat source is introduced into the heat exchange unit to heat the working fluid. A phase change separation unit separates the heated working fluid into a gas phase branch and a liquid phase branch. The gas phase branch is connected to a turbine expander to convert thermal energy into electrical energy. A control device acquires external heat source temperature distribution data and real-time phase change temperature data of the working fluid through a status acquisition module. A temperature difference calculation module generates heat exchange temperature difference data including temperature deviation values. A circulation control module receives the heat exchange temperature difference data and outputs flow regulation commands to a pressurized pumping unit to adjust the circulating flow rate of the working fluid, reduce the heat exchange temperature difference, and improve the thermoelectric conversion efficiency.

The invention discloses a front exhaust gradient waste heat power generation system of a new energy hybrid electric vehicle, and relates to the technical field of automobile energy conservation. The system comprises a gradient thermoelectric conversion module, a composite heat dissipation module, an intelligent energy management module and an elastic fixing and sealing module which are arranged in the axial direction of a front exhaust pipe. The gradient thermoelectric module adopts a lead telluride / bismuth telluride dual-material design and is respectively matched with a front exhaust high-temperature area and a front exhaust medium-temperature area; the composite heat dissipation system combines liquid cooling and air cooling to realize temperature difference stable control; the intelligent energy management module is linked with a whole vehicle system through a CAN bus and dynamically distributes electric energy; the elastic fixing mechanism solves the problems of vibration and sealing. The comprehensive conversion efficiency reaches 8%-12%, the fuel economy of the whole vehicle can be improved by 4%-6%, the system is suitable for the frequent start-stop working condition of the hybrid electric vehicle, installation and maintenance are convenient and fast, and the remarkable energy-saving effect and industrialization value are achieved.

A detection system 1 comprises a thermoelectric conversion element 2 that generates an electromotive force by a temperature difference, and a processing device 6. The processing device 6 executes a reference value acquisition step (S1) for acquiring a reference value of the electromotive force generated in the thermoelectric conversion element 2, and a calculation step (S3) for calculating the ratio Rn of the measured value of the electromotive force generated in the thermoelectric conversion element 2 to the acquired reference value.

The invention relates to the technical field of photo-thermal electric devices, in particular to an integrated flexible photo-thermal electric device and a preparation method thereof.The integrated flexible photo-thermal electric device is characterized in that a plurality of bonding layers are evenly arranged on one side of a polymer substrate, and a metal infrared reflecting layer and a transition barrier layer which are the same in shape are sequentially arranged on each bonding layer; a narrow-band gap thermoelectric thin film light absorption layer is uniformly deposited on a polymer substrate, the narrow-band gap thermoelectric thin film light absorption layer is partially located above a transition barrier layer, and a surface anti-reflection layer is arranged on the narrow-band gap thermoelectric thin film light absorption layer above the transition barrier layer. By the adoption of the structure, the narrow-band-gap thermoelectric thin film serves as an absorption layer with the photo-thermal conversion function, the photo-thermal conversion characteristic is achieved while the thermoelectric conversion capacity is reserved, direct conversion from light energy (solar energy, laser, infrared radiation and the like) to electric energy is achieved, and the narrow-band-gap thermoelectric thin film solar cell has the advantages of being simple in structure, flexible, capable of being bent, easy to integrate, sensitive in response and the like.

The present application provides an atomic battery that is lightweight and thin. The present application solves the above problem by providing an atomic battery that includes a thermoelectric conversion element having a thermoelectric conversion portion exhibiting nonreciprocal conduction based on a broken spatial inversion symmetry and a pair of electrodes disposed apart from each other in the thermoelectric conversion portion and used to extract a nonreciprocal thermoelectric signal, and at least one structural component of the atomic battery contains a radioisotope element.

The invention relates to a thermal and electric conversion system of a thermal power battery based on a closed Brayton cycle. The invention relates to the field of thermal power systems, and aims to overcome the defects of low energy density, large volume, large weight and the like of an existing battery system and overlarge mass-volume ratio of a power system. The device comprises an energy-work conversion unit, a heat source, power generation equipment, a partition plate, an outer package, a pre-cooling pipeline and the like. The energy-work conversion unit is indirectly connected with a heat source through a heat exchange pipeline, heat generated by the heat source transmits a working medium to do work, the energy-work conversion unit is connected with power generation equipment through a power shaft and converts mechanical energy into electric energy, and the power generation equipment is connected with an external connection point through a wire pipeline to achieve external output of the electric energy. The outer packaging structure further communicates with a pre-cooling pipeline, and the energy-work conversion unit is connected with the pre-cooling pipeline and used for cooling the working medium. And the energy-work conversion unit, the heat source, the power generation equipment, the partition plate and the pre-cooling pipeline are respectively mounted in the outer package to form an integral system. The invention is applied to the field of thermal and electric conversion of thermal power batteries.

The invention discloses a quantum-assisted AI edge temperature control system and application of the quantum-assisted AI edge temperature control system in electric arc furnace smelting, and belongs to the technical field of industrial automation control. The edge AI processing unit is used for predicting the temperature change trend in the future 30-180 seconds by adopting an LSTM-GRU hybrid neural network model and determining a temperature prediction result; the intelligent power regulator is used for intelligently regulating the electrode power and the oxygen flow, so that the temperature fluctuation is controlled in a range of + / -2 DEG C; and the energy recovery device is used for monitoring the temperature of the waste heat in real time, starting thermoelectric conversion and recovering the waste heat, and carrying out chaining storage on operation data through a block chain technology to generate a smelting process traceable report. According to the invention, the problems of large measurement error, response lag and high energy consumption in the prior art are solved. The control precision is improved, the response speed is increased, the energy-saving effect is remarkable, the intelligent degree is high, and the industrial applicability is high.

The utility model provides a thermoelectric conversion type waste heat regeneration heat exchanger, which belongs to the technical field of waste heat regeneration heat exchangers and comprises a heat exchanger support, the side of the heat exchanger support is fixedly connected with a heat exchanger main body, a heat exchange tube assembly is mounted in the heat exchanger main body and comprises a functional part, and the functional part is fixedly connected with the heat exchanger main body. The functional part is used for recovering waste heat to produce electric energy, and the insulating heat conduction structure part is used for transferring heat of a high-temperature heat source to the functional part and meanwhile avoiding electrical short circuit between the functional part and the heat source. According to the utility model, waste heat recovery is realized, electric energy can be generated, extra electric power support is provided for the data center, the actual demand of the data center in the aspect of energy management is effectively met, the practical value is higher, and meanwhile, efficient energy conversion and transmission are realized, so that the product can operate efficiently in the actual application, and the energy utilization rate is improved. And the functions of waste heat recovery and electric energy regeneration are practically exerted.

A heat flow measuring apparatus is provided. This heat flow measuring apparatus comprises: a thermoelectric conversion unit that is configured to convert, on the basis of the anomalous Nernst effect, a heat gradient generated by heat exchange with an object to be measured into an electric signal; and a magnetic field application unit that is configured to apply a magnetic field in a given direction to the thermoelectric conversion unit.

The present invention provides: a thermoelectric conversion member that makes it possible to reduce contact resistance between a MgAgSb-based thermoelectric material and an electrode; a production method for the same; and a thermoelectric conversion element.　A thermoelectric conversion member according to the present invention comprises at least: a thermoelectric conversion layer which comprises a p-type thermoelectric material that includes magnesium (Mg), silver (Ag), and antimony (Sb); and an Sb layer which is positioned on at least one end surface of the thermoelectric conversion layer. A production method for a thermoelectric conversion member according to the present invention comprises at least: forming a laminate of a raw material that includes Sb as a raw material for an Sb layer, and a p-type thermoelectric material or a raw material mixture for a p-type thermoelectric material that is obtained by mixing a raw material containing magnesium (Mg), a raw material containing silver (Ag), and a raw material containing antimony (Sb); and sintering the laminate.

A fabrication method of a thermoelectric conversion element includes forming a first metal layer containing Cu on a first surface of a thermoelectric conversion layer, and forming a first electrode and a first intermediate layer from the first metal layer. The thermoelectric conversion layer is composed of a thermoelectric conversion material containing Mg and at least one kind of element selected from the group consisting of Sb and Bi, the first intermediate layer is provided between the thermoelectric conversion layer and the first electrode, the first intermediate layer is in contact with the thermoelectric conversion layer, the first electrode is in contact with the first intermediate layer, and a composition of the first intermediate layer is different from both a composition of the first electrode and a composition of the thermoelectric conversion layer.

The utility model discloses a protective cap for a throwing type detection probe, and particularly relates to the technical field of metallurgy, which comprises a mounting plate, a thermocouple temperature sensing probe is mounted at the bottom of the mounting plate, a penetrating block is fixedly connected to the center of the top of the mounting plate, and a protective assembly is arranged on the outer surface of the thermocouple temperature sensing probe. A dismounting assembly is arranged at the top of the mounting plate, the protection assembly comprises two connecting plates, and two inserting holes are formed in the bottom of the mounting plate. According to the utility model, through the arrangement of the protection assembly, when the thermocouple temperature sensing probe is impacted by other objects, the spring is extruded to deform, and the impact force is buffered and offset, so that the thermocouple wire is prevented from being deformed, bent, twisted and even fractured due to direct stress; the temperature sensitive characteristic and the thermoelectric conversion function are maintained, the insulation layer of the probe can be protected from being damaged by external collision, and the good insulation performance is maintained.

The invention discloses a head-mounted oral cavity electronic magnifying glass observation instrument, which relates to the technical field of medical equipment, and comprises a head-mounted main body, an image acquisition module and an image display module arranged at the front part of the head-mounted main body, a control module integrated in the head-mounted main body, and a neck-hanging type power supply module, the neck-hanging type power supply module is electrically connected with the head-mounted main body through a cable, and a battery pack and a thermal management function module are arranged in the neck-hanging type power supply module. By moving the power supply module from the head to the neck and integrating the heat management function module, head cable stumbling is thoroughly eliminated, an external power line can be led out from the rear of the neck, it is guaranteed that the head of a doctor moves freely, meanwhile, discomfort caused by local overheating is effectively avoided, the thermoelectric conversion technology is utilized, battery waste heat is actively managed, and the heat exchange efficiency is improved. Intelligent heating or cooling of the neck contact area is achieved, and the comfort and concentration degree of a long-time operation are improved.

To provide a thin thermoelectric conversion element having flexibility.SOLUTION: A thermoelectric transducer comprising: a substrate having flexibility; a base layer formed on the substrate and made of a metal-oxide material; and a magnetic layer laminated on the base layer and having conductivity and ferromagnetic or antiferromagnetic properties, wherein a thickness of the base layer is not less than 10nm and not more than 50nm.SELECTED DRAWING: Figure 1

The application provides a radiation refrigeration, solar power generation and thermoelectric power generation integrated system, and relates to the technical field of power generation integrated systems.The system comprises a plurality of single subsystems and an angle controller, each of the subsystems comprises a radiator, a thermoelectric generator and a solar cell, the radiator at the upper side acts as a cold end, the solar cell at the lower side acts as a hot end, and the thermoelectric generator is arranged between the radiator and the solar cell; the angle controller controls the pitch angle and the azimuth angle of the subsystem according to the solar zenith angle in use, so that the solar energy reflected by the radiator in each subsystem is transmitted to the solar cell in the next subsystem for collection. Through the integration of radiation refrigeration, solar cells and thermoelectric generators, on the basis of collecting the reflected radiation of the radiation refrigeration by the solar cell, the waste heat on the side of the solar cell and the cold quantity on the side of the radiation refrigeration are further effectively utilized through thermoelectric conversion, and the overall energy utilization efficiency of the system is improved.