Abstract: A flexible substrate material having opposed front and back sides and extending in an X-Y plane, the front side being provided with a first electrode layer and further provided with at least one thin film to form at least one thin film device stack; the thin film device stack extending from the X-Y plane in a Z direction perpendicular to the X-Y plane to a distance T; the substrate material having at least one protective structure applied to at least one of the substrate material sides, the first electrode layer and the at least one thin film; the at least one protective structure extending in the Z direction to a distance S from the X-Y plane, the distance S being greater than the distance T.

Abstract: The present technology relates to, in a photoelectric conversion element using a photoelectric conversion film, the photoelectric conversion element and a method of manufacturing the same, a solid state image sensor, an electronic device, and a solar cell, for enabling improvement of quantum efficiency. The photoelectric conversion element includes two electrodes constituting an anode and a cathode, and a photoelectric conversion layer arranged between the two electrodes, and at least one electrode side of the two electrodes is doped with an impurity at impurity density of 1e16/cm3 or more in the photoelectric conversion layer. The present technology can be applied to, for example, a solid state image sensor, an electronic device, a solar cell and the like.

Abstract: A photovoltaic cell may include a hydrogenated amorphous silicon layer including a n-type doped region and a p-type doped region. The n-type doped region may be separated from the p-type doped region by an intrinsic region. The photovoltaic cell may include a front transparent electrode connected to the n-type doped region, and a rear electrode connected to the p-type doped region. The efficiency may be optimized for indoor lighting values by tuning the value of the H2/SiH4 ratio of the hydrogenated amorphous silicon layer.

Abstract: A blocking diode board (“BDB”) for use with a rollable solar power module (“RSPM”) array is disclosed. The DBD includes a blocking diode, first flat electrical conductor, second flat electrical conductor, first tubular hook, and second tubular hook.

Abstract: Systems and methods for removing charge buildup/leakage from solar modules. A discharge controller may be coupled between a solar module and a string bus of a solar array. The discharge controller is configured to disconnect the solar module from the string bus, and to connect a grounded frame to solar cells of the solar module. Since the grounded frame of the solar module is grounded, connecting the grounded frame and the solar cells allows charge buildup/leakage to discharge into ground.

Abstract: Provided is a photoelectric conversion device capable of suppressing diffusion of a dopant in a p layer or n layer into an adjacent layer. A photoelectric conversion device is provided with a silicon substrate, a substantially intrinsic amorphous layer formed on one surface of the silicon substrate, and a first conductive amorphous layer that is formed on the intrinsic amorphous layer. The first conductive amorphous layer includes a first concentration layer and a second concentration layer that is stacked on the first concentration layer. The dopant concentration of the second concentration layer is 8×1017 cm?3 or more, and is lower than the dopant concentration of the first concentration layer.

Abstract: The present invention relate to a water floating-type solar photovoltaic power generator, and more particularly, to a water floating-type solar photovoltaic power generator which is easy to be manufactured by using a plurality of annular floating bodies; is economical; and is further favorable to rotation, the plurality of annular floating bodies consisting of synthetic pipes and being arranged to form a concentric circle on the basis of a main pillar, as a floating source for supporting solar photovoltaic generation equipment on the water.

Abstract: A connection box for solar panels to enable the use of multiple types of passive and active covers for different functionalities in the junction box built into the panel to which the connection box is fixedly attached.

Abstract: A module main body having a solar photovoltaic element is arranged on an inner surface side of a back cover, and a front cover is arranged on a front surface of the module main body. A light shielding filter is arranged in the front cover, and the light shielding filter shields light having a longer wavelength than a threshold wavelength of the solar photovoltaic element but transmits light having a shorter wavelength than the threshold wavelength toward the module main body or shields the infrared ray.

Abstract: A solar tracking system is provided and includes a solar array, a support structure configured to support the solar array, a base configured to rotatably support the support structure, and an articulation system configured to articulate the support structure relative to the base. The articulation system includes a gearbox that is coupled to the support structure and an actuator that is configured to extend and retract. The actuator includes a first end portion and a second, opposite end portion, wherein the first end portion is rotatably coupled to the base and the second end portion is coupled to the gearbox. Extension of the actuator causes the support structure to rotate about the base in a first direction and retraction of the actuator causes the support structure to rotate about the based in a second, opposite direction.

Abstract: A tandem solar cell includes a top solar cell and a bottom solar cell. The top solar cell and the bottom solar cell each have a respective front surface and a rear surface, with the respective front surfaces being adapted for facing a radiation source during use. The top solar cell is arranged with its rear surface overlying the front surface of the bottom solar cell. The top solar cell includes a photovoltaic absorber layer with a bandgap greater than that of crystalline silicon. The bottom solar cell includes a crystalline silicon substrate. On at least a portion of the front surface of the bottom solar cell a passivating layer stack is disposed which includes a thin dielectric film and a secondary layer of either selective carrier extracting material or polysilicon. The thin dielectric film is arranged between the silicon substrate and the secondary layer.

Abstract: The invention relates to the field of thermoelectric compositions and devices. Thermoelectric compositions comprise thermoelectric material in a flexible membrane that comprises structural material and voids. Thermoelectric subassemblies comprise thermoelectric material and electrical contact material along and on and surrounding structural material of the flexible membrane. Thermoelectric subassemblies can comprise thermoelectric elements positioned end-to-end in a flexible membrane that can be bent and positioned in a housing that can be adapted to accommodate various types of thermoelectric devices. Methods for making and using thermoelectric compositions, subassemblies, and devices are described.

Abstract: When upper-lower positional relationship on an optical path is defined such that the primary concentrating portion is at an upper position than the secondary concentrating portion, the secondary concentrating portion includes: a secondary lens provided above the power generating element; a lens supporting portion configured to support the secondary lens; and a shielding plate being a flat-plate-shaped member preventing sunlight to pass therethrough whereas allowing an upper portion of the secondary lens to be exposed from a hole formed in the flat-plate-shaped member, the shielding plate being fixed in a state of being mounted to the lens supporting portion, the shielding plate being configured to block light converging at a position outside the secondary lens.

Abstract: A photovoltaic charging system having a narrow-spectrum light source attuned to an absorption band of a photovoltaic cell may achieve power delivery of at least 0.5 mW/10,000 ?m2 upon stimulation of the photovoltaic cell with narrow-spectrum light.

Abstract: Disclosed is a solar cell, including: a substrate; an emitter, a first passivation film, an antireflection film and a first electrode sequentially disposed on an upper surface of the substrate; a tunneling layer, a retardation layer, a field passivation layer, a second passivation film and a second electrode sequentially disposed on a lower surface of the substrate. The retardation layer is configured to retard a migration of a doped ion in the field passivation layer to the substrate. The retardation layer includes a first retardation sub-layer overlapping with a projection of the second electrode and a second retardation sub-layer misaligning with a projection of the second electrode, and at least the second retardation sub-layer is an intrinsic semiconductor. A thickness of the first retardation sub-layer is smaller than a thickness of the second retardation sub-layer in a direction perpendicular to the surface of the substrate.

Abstract: Photo-active devices including a substrate, a first electrode, an active layer including an organic salt or salt mixture that selectively or predominantly harvests light from the near infrared or infrared regions of the solar spectrum, and a second electrode. The devices are either visibly transparent or visibly opaque and can be utilized in single- or multi-junction devices.

Abstract: A method and apparatus for portable power generation comprises an intermodal container having a front, a rear, a top and a bottom and extending between first and second ends, the intermodal container having a front and a rear corner post extending between the top and the bottom at each of the first and second ends. The apparatus further comprises a door hingedly secured to each of the front corner posts and at least one solar panel hinged to a top edge of the door, wherein the door is operable to pivot between a closed position extending between the front and the rear of the intermodal container, and an open position extending in planar alignment with the front of the intermodal container.

Abstract: A thermophotovoltaic panel, including a first surface for receiving solar radiation, photovoltaic cells connected to said first receiving surface, a heat exchanger connected to said photovoltaic cells, and a second surface, opposite to the first, for supporting the panel, said heat exchanger being positioned between said first receiving surface and said second supporting surface, wherein said photovoltaic cells and said exchanger are embedded in at least one resin, preferably cold-polymerised epoxy resin, to constitute a body including said first receiving surface and said second supporting surface, wherein at least one layer of resin at said first receiving surface is constituted of substantially transparent resin.

Abstract: Methods and devices that monolithically integrate thin film elements/devices, e.g., environmental sensors, batteries and biosensors, with high performance integrated circuits, i.e., integrated circuits formed in a high quality device layer. Preferred embodiments further monolithically integrate a solar cell array. Preferred embodiments provide pin-size and integrated solar powered wearable electronic, ionic, molecular, radiation, etc. sensors and circuits.

Abstract: A thermoelectric conversion module includes: a substrate; a plurality of thermoelectric elements including an N-type element and a P-type element; a bonding layer including silver and disposed between the substrate and the plurality of thermoelectric elements; a first electrode that connects the N-type element with the bonding layer, the first electrode including a first nickel layer and an aluminum layer that is disposed between the first nickel layer and the N-type element; and a second electrode that connects the P-type element with the bonding layer, the second electrode including a second nickel layer.