Abstract: A back contact solar cell assembly includes at least one cell string including multiple back contact solar cells and multiple electrically conducting lines. Each first electrodes includes first main grid lines and first fine grid lines. Each second electrodes includes second main grid lines and second fine grid lines. Each electrically conducting lines includes a first part conductively connecting the first main grid line of a first back contact solar cell, and a second part conductively connecting the second main grid lines of a neighboring second back contact solar cell. The first part is provided with at least one deformation cushioning component. At the shadow face of the first back contact solar cell, in the direction where the second fine grid lines are provided, the minimum distance between the projection of the deformation cushioning component and the second fine grid lines is greater than or equal to 0.3 mm.

Abstract: A solar cell and a manufacturing method of the solar cell are provided. The solar cell includes a silicon substrate, the silicon substrate is deposited with a plurality of fine-grids, the plurality of fine-grids have ohmic contact with the silicon substrate; a plurality of main-grids are disposed on the silicon substrate; the plurality of main-grids intersect and electrically contact with the plurality of fine-grids; at least a part of the plurality of main-grids is formed by sintering an electrode slurry. The plurality of fine-grids and the plurality of main-grids are formed by a combination of a high temperature metallization (sintering) and a low temperature metallization (depositing), to overcome a high cost by using screen printing of silver slurry, in addition, due to the plurality of fine-grids having ohmic contact with the silicon substrate, the solar cell has advantages of small contact resistance and high current collection efficiency.

Abstract: A method may include calculating a solar position of the Sun and a projected solar zenith (PSZ) relative to a position of a photovoltaic (PV) module. The method may include determining whether an orientation of the PV module is configurable to prevent shading of an upper substring of the PV module while shading a lower substring of the PV module. Responsive to determining that such an orientation is not configurable, the method may include determining whether the orientation of the PV module is configurable to prevent shading of both the upper substring and the lower substring. Responsive to determining that such an orientation is not configurable, the method may include determining whether the PSZ is within a maximum tracker angle range. A target tracker angle may be identified based on the PSZ and the maximum tracker angle range and used as a tracker angle control setpoint.

Abstract: A solid state ionic conductive electrolyte membrane may include a multi-channel porous support structure and a solid-state ionic conductive electrolyte. The multi-channel porous support structure may define a porous wall structure separating a first plurality of channels from a second plurality of channels, and a solid-state ionic conductive electrolyte may be positioned within pores of the porous wall structure of the multi-channel structure.

Abstract: The solar cell of the present disclosure includes a first electrode, a photoelectric conversion layer, an intermediate layer, a hole transport layer, and a second electrode in this order, wherein the hole transport layer includes a hole transport material and an oxidant, the photoelectric conversion layer includes a perovskite compound containing iodine, and the intermediate layer includes at least one selected from the group consisting of bromide, chloride, and fluoride.

Abstract: An apparatus includes a rotating pole, a first set of photovoltaic modules; and a second set of photovoltaic modules. The second set of photovoltaic modules do not rotate with the rotating pole.

Abstract: The photovoltaic system includes a first inverter circuit, a second inverter circuit, and a switch circuit. When the switch circuit is in the first state, a first photovoltaic array is connected to the direct current positive bus and the neutral bus through the switch circuit, and a second photovoltaic array is connected to the neutral bus and the direct current negative bus through the switch circuit. When the switch circuit is in the second state, the first photovoltaic array is connected to the neutral bus and the direct current negative bus through the switch circuit, and the second photovoltaic array is connected to the direct current positive bus and the neutral bus through the switch circuit. A potential of the photovoltaic array is changed to prevent a PID effect from occurring when the photovoltaic array is at a negative potential for a long time.

Abstract: Provided according to an embodiment is a thermoelectric element comprising: a first insulating part; multiple first electrodes disposed on the first insulating part; a second electrode disposed above the first electrodes; a first conductive semiconductor structure and a second conductive semiconductor structure disposed while being spaced each other between the first electrodes and the second electrode; and a second insulating part disposed on the second electrode, wherein the first insulating part comprises first protrusions protruding toward the first electrodes, and the second insulating part comprises a second protrusion protruding toward the second electrode.

Abstract: This thermoelectric conversion module is formed by electrically connecting, by a conductive member, one end of an n-type thermoelectric conversion element having a negative Seebeck coefficient and having a half-Heusler structure to one end of a p-type thermoelectric conversion element containing an oxide having a positive Seebeck coefficient at a temperature of 25° C. or higher. The conductive member is connected to the n-type thermoelectric conversion element and the p-type thermoelectric conversion element through a connection layer containing a conductive metal comprising silver, and the connection layer is characterized by further containing an oxide to reduce the bond resistance between the n-type thermoelectric conversion element and/or the p-type thermoelectric conversion element.

Abstract: The present disclosure provides a fixing device of a photovoltaic panel, and relates to the field of fixing devices. The fixing device of a photovoltaic panel includes a mounting rail, a photovoltaic panel, a medium pressure fixing member and a side pressure fixing member; the medium pressure fixing member includes a medium pressure block, a first bolt, a spring, a first limiting plate and a first clamping block; the side pressure fixing member includes a side pressure block, a second bolt, a second limiting plate and a second clamping block; the photovoltaic panel is arranged on the mounting rail; a side edge of the medium pressure block is arranged on a side edge of the photovoltaic panel; and a side edge of the side pressure block is arranged on a side edge of the photovoltaic panel.

Abstract: A photovoltaic curtain wall and a method for manufacturing the photovoltaic curtain wall are provided. The photovoltaic curtain wall includes a first cover plate, a cell string, and a second cover plate stacked sequentially in a first direction; and an encapsulation film including a first adhesive film and a second adhesive film, the first adhesive film is attached to the first cover plate, and the second adhesive film is attached to the second cover plate. The second cover plate has a thickness greater than or equal to an equivalent thickness, and the first cover plate has a thickness less than the thickness of the second cover plate; and the equivalent thickness is a thickness of a target cover plate that undergoes a preset bending deformation in response to a preset load, and the target cover plate and the second cover plate is made of a same material.

Abstract: A solar module includes at least one first solar cell and at least one second solar cell, each solar cell including a top side and bottom side, a bus bar, and a plurality of wires, disposed on the top side, extending from and electrically connected to the bus bar. The first solar cell overlaps a region of the second solar cell to electrically connect to the second solar cell and to form a shingled arrangement, and in the second solar cell, the plurality of wires connect to the bus bar outside of the region in which the first solar cell overlaps the second solar cell. A method of manufacturing a solar module includes shingling solar cells using ECA to make a hybrid dense solar cell string that includes at least two hybrid dense solar cells in a shingled arrangement.

Abstract: A method and associated system for determining an operating parameter of a PV installation having a plurality of PV modules is disclosed. The PV modules each include a shutdown apparatus connected to a transmission apparatus of the PV installation and has a feed-in operation and a shutdown operation. At least one PV module is equipped with a power-optimizing device which is configured to set an operating point of the PV module in an optimizing operation. The method includes determining a first total electrical power of the PV modules in a non-optimizing operation of the at least one power-optimizing device and in the feed-in operation of the shutdown apparatuses, and determining a second total electrical power of the PV modules in the optimizing operation of all the power-optimizing devices and in the feed-in operation of the shutdown apparatuses.

Abstract: Photovoltaic devices such as solar cells, hybrid solar cell-batteries, and other such devices may include an active layer disposed between two electrodes, the active layer having perovskite material and other material such as mesoporous material, interfacial layers, thin-coat interfacial layers, and combinations thereof. The perovskite material may be photoactive. The perovskite material may be disposed between two or more other materials in the photovoltaic device. Inclusion of these materials in various arrangements within an active layer of a photovoltaic device may improve device performance. Other materials may be included to further improve device performance, such as, for example: additional perovskites, and additional interfacial layers.

Abstract: A photovoltaic (PV) tracking system can include PV modules having support frame assemblies. Base frame assemblies also can be included. Each base frame assembly can have an upper portion and a lower portion. The upper portion can be coupled to a respective support frame assembly such that the PV modules are oriented at a tilt angle with respect to horizontal to form a solar array of PV tables. Elongated members can extend in a north-south direction. Each elongated member can be coupled with a respective base frame assembly. The elongated members can rotate the PV tables about a rotational axis that is oriented at the tilt angle. The tilt angle can be fixed. A control unit can be coupled to the base frame assemblies and the elongated members such that the control unit rotates the PV tables about the rotational axis.

Abstract: A photovoltaic cell includes a semiconductor element (20) formed from a direct semiconductor and a transparent biasing agent (28) overlying a first portion of the front face (22) of the semiconductor, the biasing agent producing a first depletion region (30) in the semiconductor element. A collector (40) directly contacts a second portion of the front face. The collector produces a second depletion region (44) in the semiconductor element. The collector (40) is out of direct conductive contact with the biasing agent (28) but in proximity to the biasing agent. A continuous region at least partially depleted of majority carriers extends between the first and second depletion regions at the front face of the semiconductor element. The continuous region may include overlapping portions of the first and second depletion regions (30,44), or may include an additional depletion region (160) formed by a charged dielectric (147).

Abstract: Edge blocks for a PV array comprising fastener or component holes for anchoring the array bonding the array and protecting array cabling. Edge blocks provide a favorable aerodynamic shape to help deflect incoming wind, the channel rainwater and to protect edge of the array. Methods having steps of placing modules contacting native topography or a smoothed or substantially flat portion of the ground in an array and holding the array together and down are also disclosed.

Abstract: Visually undistorted thin film electronic devices are provided. In one embodiment, a method for producing a thin-film electronic device comprises: opening a scribe in a stack of thin film material layers deposited on a substrate to define an active region and an inactive region of the thin-film electronic device, the stack comprising at least one active semiconductor layer. The active region comprises a non-scribed area of the stack and the inactive region comprises a region of the stack where thin film material was removed by the scribe. The method further comprises depositing at least one scribe fill material into a gap opened by the scribe. The scribe fill material has embedded therein one or more coloring elements that alter an optical characteristics spectrum of the inactive region to obtain an optical characteristics spectrum of the active region within a minimum perceptible difference for an industry defined standard observer.

Abstract: A solar cell according to an embodiment of the present disclosure is positioned so that a second solar cell adjacent to a first solar cell in a first direction have an adjacent portion in contact with or overlapping with the first solar cell in the first direction on a front surface of the first solar cell. In this case, a plurality of wiring members connecting the first and second solar cells are formed to be extended to the front surface of the first solar cell, the adjacent portion, and the rear surface of the second solar cell.

Abstract: A semiconductor structure may include semiconductor devices located on a substrate, metal interconnect structures that are located within dielectric material layers overlying the semiconductor devices and are electrically connected to the semiconductor devices, and an energy harvesting device located over the metal interconnect structures and comprising a Schottky barrier diode, a first diode electrode located on a first side of the Schottky barrier diode, and a second diode electrode connected to a second side of the Schottky barrier diode.