A thermoelectric power generation device including: a heating unit having a heat medium passage in which a heat medium flows; a cooling unit having a cooling liquid passage in which a cooling liquid flows; a thermoelectric element having the heating unit and the cooling unit so as to generate power by utilizing a temperature difference between a condensation temperature of the heat medium and a temperature of the cooling liquid; a power generation output detection unit configured to detect a power generation output of the thermoelectric element; a heat medium pressure detection unit configured to detect a pressure of the heat medium; a storage unit for storing, in advance, a relationship between a power generation output of the thermoelectric element and the pressure of the heat medium; and an abnormality detection unit configured to detect an abnormality taking place in the thermoelectric power generation device.

Methods of making various fibers are provided including co-axial fibers with oppositely doped cladding and core are provide; hollow core doped silicon carbide fibers are provided; and doubly clad PIN junction fibers are provided. Additionally methods are provided for forming direct PN junctions between oppositely doped fibers are provided. Various thermoelectric generators that incorporate the aforementioned fibers are provided.

An apparatus can comprise a circuit and an electrical element coupled to the circuit. The circuit can include a pulse generator to generate an electrical pulse having a first power and a load. The electrical element can be configured to receive heat that is converted into electrical energy by the circuit to apply a second power, greater than the first power, to the load.

A thermoelectric fabric may include a plurality of first threads and second threads. The first threads may be alternately formed by p-doped and n-doped thread portions and electrically conductive first thread portions and second thread portions arranged in between. The first thread portions may form a hot side of the fabric, and the second thread portions may form a cold side. The first threads may form one of warp threads or weft threads of the fabric, and the second threads may form the other of the warp threads or weft threads. On at least one of the first thread portions of at least one of the plurality of first threads, a temperature control structure with at least one temperature control element for cooling the hot side may be present.

A power-generating apparatus according to an embodiment of the present invention comprises: a housing in which a fluid flows along the interior thereof and at least a portion of the wall surface thereof includes a flat surface formed of metal; a thermoelectric module disposed on the flat surface of the housing; and an insulating member disposed on the flat surface of the housing so as to be beside the thermoelectric module.

A sensor device according to the present disclosure includes a Peltier element, a sensor element thermally connected to a cooling surface of the Peltier element, and a window member that faces a light receiving surface of the sensor element and is made of borosilicate glass.

A cold plate for cooling microchip. Fluid channels are formed in a semiconductor plate, each channel being defined by sidewalls. The sidewalls are doped with series of interchanging n-type and p-type regions, thereby generating a plurality of p-n junction in each sidewall. Electrical contacts are provided across the p-n junctions, thereby creating a plurality of thermoelectric cooling (TEC) devices within the sidewalls. Upon application of current to the contacts, the TEC devices transport and draw heat flux away from the microchip. The heat is then fully or partially collected by the cooling fluid flowing inside the channels.

Systems and methods are described for generating electricity from fluid produced from a subsurface formation. The disclosed systems and methods include generating electrical power using the energy content of fluids produced from the earth or hot fluids created during surface processing of the produced fluids. Specific systems and methods describe utilizing heat and pressure of oil, gas, or water to generate electrical power.

A thermal energy storage (TES) device includes a thermoelectric cooler; and a metallic phase change material (PCM) within the thermoelectric cooler. The PCM may include any of gallium or its alloys, low temperature fusible alloys, and solid metal shape memory alloys. A thermoelectric effect within the PCM is to transport heat in the thermoelectric cooler. The TES device may include a graded oxide layer adjacent to the PCM to serve as a distributed electrical junction in the thermoelectric cooler to create a hot side thermoelectric junction in a bulk volume of the PCM. The graded oxide layer may include α-IGZO. The TES device may include a high-thermopower corrugated metal foil layer comprising barrier oxides patterned therein. The high-thermopower metal foil layer may be adjacent to the graded oxide layer. The TES device may include a dielectric layer adjacent to the high-thermopower corrugated metal foil layer.

A glazing unit is disclosed. The glazing unit can include a first pane and an active device. The active device can be coupled to the first pane. The glazing unit can also include a thermoelectric film layer between the active device and the first pane. In one embodiment, the active device is an electrochromic device.