Reliance Industries has filed a patent for a slim solar module that aims to reduce volume during transport while maintaining mechanical stability. The module includes a solar laminate with solar cells, a frame, and a reinforcement strut. The frame’s surface-to-thickness ratio is optimized between 45000 and 70000, and a spacer element and reinforcement strut are used to establish an electrical connection. The spacer element is made of electrically conductive material and includes ridges for connection purposes. GlobalData’s report on Reliance Industries gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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Slim solar module with reinforced frame and spacer element
A recently filed patent (Publication Number: US20230318526A1) describes a solar module with several unique features. The module includes a solar laminate with multiple solar cells positioned between a transparent front cover sheet and a rear cover sheet. The laminate is enclosed by a frame at its lateral edges. A reinforcement strut is placed at the rear surface of the laminate, between opposing portions of the frame. A spacer element works in conjunction with the frame to push the reinforcement strut towards the laminate.
One notable aspect of the frame is its ratio between surface area and thickness, which falls between 45000 and 70000. The dimensions of the frame are measured in millimeters. The spacer element and the reinforcement strut are separate and non-integral elements. The spacer element is made of an electrically conductive material and includes at least one ridge that protrudes towards the frame or the reinforcement strut, establishing an electrical connection between them.
The patent also describes various additional features of the solar module. For instance, the ridge on the spacer element can have a sharp edge or tip, or it can be triangular in shape. The ridge may also be at a non-perpendicular angle relative to the frame or reinforcement strut. The frame itself has a thickness of less than 35 mm and specific dimensions of length, width, and thickness, with defined tolerances. The front cover sheet is made of glass with a thickness ranging from 2.7 mm to 3.1 mm.
The reinforcement strut is electrically connected to the frame and is arranged parallel to a short edge of the frame. In some embodiments, there may be a second reinforcement strut arranged in parallel to the first one. The reinforcement strut has a rectangular cross-section. The spacer element can be pressed into the frame or screwed to it. Additionally, the reinforcement strut can be glued to the rear surface of the laminate.
Overall, this patent presents a solar module design that incorporates unique features such as the ratio between frame surface area and thickness, the use of separate spacer elements, and the specific arrangement of the reinforcement strut. These features aim to enhance the performance and durability of the solar module.
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