Abstract: The present invention provides thermoelectric conversion elements and thermoelectric conversion modules which are possible to effectively use oxide materials having high Seebeck coefficient, and excellently improve their outputs. The present invention provides thermoelectric conversion elements which comprise at least a charge transport layer, thermoelectric conversion material layers and electrodes, wherein the charge transport layer comprises a graphite treated to dope charge-donating materials so that the graphite has an n-type semiconductor property, or a graphite treated to dope charge-accepting materials so that the graphite has a p-type semiconductor property, and provides thermoelectric conversion modules using the thermoelectric conversion elements.

Abstract: A photovoltaic module generates electrical power when installed on a roof. The module is constructed as a laminated sandwich having a transparent protective upper layer adhered to a photovoltaic layer. The photovoltaic layer is adhered to a rigid layer formed from a fiber reinforced plastic. The laminated sandwich has a frame around the perimeter. The laminated panel has a layer of double stick tape on the bottom to adhere the panel to the surface of a roof.

Abstract: A heat conversion apparatus according to one embodiment of the present invention comprises: a pipe which includes a first flat surface and a second flat surface disposed parallel to the first surface, and through which air having a lower temperature than entered air is discharged; a plurality of thermoelectric elements that have heat-absorbing surfaces disposed in external sides of the respective first and second surfaces; a plurality of printed circuit boards (PCBs) that are electrically connected to the plurality of thermoelectric elements; and coolant passing members that are disposed on heat-radiating surfaces of the plurality of thermoelectric elements, wherein an external floor surface of the coolant passing member includes a plurality of first external floor surfaces having a first height and a plurality of second external floor surfaces having a second height that is different from the first height, the plurality of first external floor surfaces are in contact with the heat-radiating surfaces of the p

Abstract: A photovoltaic cell may include a substrate configured as a single light absorption region. The cell may include at least one first semiconductor region and at least one second semiconductor region arranged on or in the substrate. The cell may include a plurality of first conductive contacts arranged on the substrate and physically separated from one another and a plurality of second conductive contacts arranged on the substrate and physically separated from one another. Each first conductive contact may be configured to facilitate electrical connection with the at least one first semiconductor region. Each second semiconductor conductive contact may be configured to facilitate electrical connection with the at least one second semiconductor region. Each of the first conductive contacts may form at least one separate cell partition with at least one of the second conductive contacts, thereby forming a plurality of cell partitions on or in the substrate.

Abstract: Provided is a solar cell, comprising a first electrode having a light-transmissive property, a second electrode, a light-absorbing layer located between the first electrode and the second electrode, and an intermediate layer located between the first electrode and the light-absorbing layer. The light-absorbing layer contains a fluorine compound and a perovskite compound which is represented by a chemical formula ASnX3 (where A is a monovalent cation and X is a halogen anion). The intermediate layer contains at least one selected from the group consisting of a metal oxide, a metal sulfide, a metal chalcogenide, and a metal nitride. An upper surface of the intermediate layer is in contact with a lower surface of the light-absorbing layer. A molar ratio of fluorine atoms to the perovskite compound is not less than 49% at an interface between the light-absorbing layer and the intermediate layer.

Abstract: An integrated energy harvesting and storage device (IEHSD) includes a solar cell (SC) including an active layer between an optically transparent top electrode and a bottom electrode, and an energy storage device (SD) secured below the solar cell including a separator between a first electrode and a second electrode. The bottom electrode and the first or second electrode are electrically common with one another and are within a distance of ?300 ?m from one another.

Abstract: Disclosed is a solar cell panel including a plurality of solar cells including a first solar cell and a second solar cell, and a wiring portion extending in a second direction crossing the first direction and electrically connecting the plurality of solar cells. Each of the plurality of solar cells includes a plurality of first electrodes and a plurality of second electrodes extending in a first direction. The wiring portion includes a first wiring connected to the plurality of first electrodes of the first solar cell, the first wiring includes a plurality of first partial wirings in the second direction in the first solar cell, and the plurality of first partial wirings are different members from each other and are electrically connected to each other by a first connection portion on the first solar cell.

Abstract: A solar cell includes: a silicon substrate including a texture structure in a first principal surface; and a first non-crystalline silicon layer formed on the first principal surface of the silicon substrate and including recesses and protrusions reflecting the texture structure. At a valley portion in the recesses and protrusions, the first non-crystalline silicon layer includes, in the stated order: a first epitaxial layer including a crystalline region epitaxially grown on the silicon substrate; a first amorphous layer which is a non-crystalline silicon layer; and a second amorphous layer which is a non-crystalline silicon layer. The density of the first amorphous layer is less than the density of the second amorphous layer.

Abstract: Embodiments of the present disclosure describe a photodetector and/or photovoltaic device comprising a semiconducting substrate and a solution including at least GQD and PEDOT:PSS, the solution deposited as a layer on the semiconducting substrate. Embodiments of the present disclosure further describe a method of fabricating a photodetector and/or photovoltaic device comprising contacting an amount of GQD with PEDOT:PSS sufficient to form a solution; and depositing the solution as a layer on a semiconducting substrate.

Abstract: Thermoelectric devices and methods of using thermoelectric devices. A thermoelectric device includes a thermoelectric element comprised of a material having a non-zero Berry curvature. The device may operate as a Nernst generator that generates electricity in response to application of a temperature gradient to the thermoelectric element, or as an Ettingshausen cooler that pumps heat into or out of an object to be heated or cooled in response to application of a current to the thermoelectric element. In either application, the non-zero Berry curvature of the material allows the device to operate without an externally applied magnetic field.

Abstract: Embodiments of the present disclosure describe a photodetector and/or photovoltaic device comprising a semiconducting substrate and a solution including at least GQD and PEDOT:PSS, the solution deposited as a layer on the semiconducting substrate. Embodiments of the present disclosure further describe a method of fabricating a photodetector and/or photovoltaic device comprising contacting an amount of GQD with PEDOT:PSS sufficient to form a solution; and depositing the solution as a layer on a semiconducting substrate.

Abstract: A selective emitter exhibiting heat resistance up to 1000° C., comprising a metal body, a first dielectric layer provided on one surface of the metal body, a composite layer provided on another surface of the first dielectric layer at an opposite side to the metal body side, and a second dielectric layer provided on another surface of the composite layer at an opposite side to the first dielectric layer, the composite layer being a layer provided with a metal or semiconductor dispersed in an oxide of the metal or the semiconductor.

Abstract: Methods and apparatus for long read, label-free, optical nanopore long chain molecule sequencing. In general, the present disclosure describes a novel sequencing technology based on the integration of nanochannels to deliver single long-chain molecules with widely spaced (>wavelength), ˜1-nm aperture “tortuous” nanopores that slow translocation sufficiently to provide massively parallel, single base resolution using optical techniques. A novel, directed self-assembly nanofabrication scheme using simple colloidal nanoparticles is used to form the nanopore arrays atop nanochannels that unfold the long chain molecules. At the surface of the nanoparticle array, strongly localized electromagnetic fields in engineered plasmonic/polaritonic structures allow for single base resolution using optical techniques.

Abstract: The present disclosure relates to a thermoelectric module sheet that includes a base substrate, a plurality of thermoelectric elements laminated on a surface of the base substrate, and a plurality of electrodes, each of which is laminated on at least one surface of at least one of the plurality of thermoelectric elements to electrically connect the plurality of thermoelectric elements by a predetermined connecting method.

Abstract: Modular tracker systems that include at least first and second tables or are continuous without the use of tables, a single motor driving the first and second tables, first and second intra-table drive shafts and an inter-table drive shaft. Each table includes a support structure including first and second mounting posts, a frame supported by the support structure, at least one solar panel supported by the frame, and first and second gearboxes being concentrically aligned for each table. The first and second gearboxes are each configured to produce first and second outputs. The first output has a first rotational speed, and the second output has a second rotational speed less than the first rotational speed, and is operatively coupled to the frame. The inter-table drive shaft couples the second gearbox of the first table with the first gearbox of the second table, whereby the first and second tables are rotated synchronously.

Abstract: A composite positive electrode active material for a lithium secondary battery including a compound represented by Formula 1 below and a compound represented by Formula 2 below, and a lithium secondary battery employing a positive electrode that includes the composite positive electrode active material: LiaNixCoyMnzM1-x-y-zO2??Formula 1 wherein, in Formula 1, ranges of M, a, x, and y are as defined in the detailed description above, and M1z[M2(CN)6]x.nH2O??Formula 2 wherein, in Formula 2, M1, M2, z, x, and n are as defined in the detailed description above.

Abstract: In a back contact type solar cell in which an impurity diffusion layer where second conductive type impurities are diffused is formed on a back surface, as a non-light receiving surface, of a first conductive type semiconductor substrate, and an electrode in contact with the impurity diffusion layer is provided, a surface concentration of the impurities in the impurity diffusion layer is not less than 5×1017 atms/cm3 and not more than 5×1019 atms/cm3, and a diffusion depth of the impurities in the impurity diffusion layer is not smaller than 1 ?m and not larger than 2.9 ?m from a top of the back surface. It is thereby possible to provide a high efficiency back contact type solar cell which can be manufactured by a simple method at low cost.

Abstract: An encapsulant material for a photovoltaic module. The encapsulant material includes: between 30 and 50 parts by weight of fiber cloth and between 50 and 70 parts by weight of acrylic powder coating. The fiber cloth is made of fiber material. The acrylic powder coating includes an acrylic resin, a curing agent, and an additive. The acrylic powder coating is uniformly coated on the fiber cloth. A method of preparing the encapsulant material includes: uniformly coating the acrylic powder coating on the fiber cloth, thermally bonding the acrylic powder coating and the fiber cloth using pressure and heat, and piecewise cutting the thermally bonded acrylic powder coating and the fiber cloth.

Abstract: The present disclosure relates to devices that include a perovskite, where, when a first condition is met, at least a portion of the perovskite is in a first phase that substantially transmits light, when a second condition is met, at least a portion of the perovskite is in a second phase that substantially absorbs light, and the perovskite is reversibly switchable between the first phase and the second phase by reversibly switching between the first condition and the second condition.

Abstract: A thermal powered medical device generates power from a temperature differential between a living body and a differential temperature source. The power is supplied to power one or more electrical components of the medical device.