Photovoltaic welding belt market analysis, small and beautiful market more looking forward to development!
Release time:
2022-06-10
【Summary Description】 The photovoltaic welding belt industry has a high degree of marketization, the competitive landscape is more fragmented, the market is fully competitive, and demand continues to grow. The main cost is the cost of raw materials, which is an important raw material in the welding process.
PhotovoltaicWelding stripThe industry is highly market-oriented, the competitive landscape is more fragmented, the market is fully competitive, and demand continues to grow. The main cost is the cost of raw materials, which is an important raw material in the welding process. At present, the mainstream photovoltaic welding belt products on the market are finer than the regular welding belt, which is conducive to reducing the shading of the battery sheet and making more effective use of sunlight. At the same time, increasing the number of main grids is conducive to shortening the horizontal collection path of current in the battery sheet, reducing series resistance and reducing battery power loss.
Conductive adhesive or partial replacement of photovoltaic ribbon
Conductive adhesive is an adhesive with conductivity, and its function is similar to that of photovoltaic welding strip. Conductive adhesive is an adhesive that has conductivity after curing or drying. A plurality of conductive materials may be connected together such that an electrical path is formed between the connected materials. The conductive adhesive is composed of a resin matrix, conductive particles, a diluent, a crosslinking agent and a toughening agent, and the matrix mainly includes epoxy resin, silicone resin, polyimide resin, acrylate resin, polyurethane, etc. Among them, the types of conductive particles are different, and the conductive adhesive can be divided into silver-based conductive adhesive, gold-based conductive adhesive, copper-based conductive adhesive and carbon-based conductive adhesive, and the most widely used is silver-based conductive adhesive.
Photovoltaic conductive glue technology is controlled by foreign manufacturers, after the domestic reduction is expected to be applied on a large scale. The shingle assembly has higher requirements on the conductivity, bonding effect and curing time of the conductive adhesive, which also causes certain technical barriers to the production of photovoltaic conductive adhesive. Compared with the photovoltaic welding belt, the cost of photovoltaic conductive adhesive is much higher, which is also the most important factor restricting its scale application. With the continuous research and development of domestic enterprises, localization of the breakthrough, domestic photovoltaic conductive glue will also be widely used in photovoltaic cell connection.
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