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Application of Parylene F |CAS:1785-64-4|in battery field

2022-10-31 来源:亚科官网

Parylene series materials have excellent physical and mechanical properties, optics, solvent resistance, salt fog resistance, water vapor insulation, electrical insulation and other characteristics. Over the years, they have been widely used in aerospace, microelectronics, semiconductors, sensors, magnetic materials, medical equipment, cultural relics protection and other fields. According to the different molecular structures, Parylene materials can be divided into many types, such as Parylene N, C, D, HT, F, etc.As a new generation derivative of Parylene series, Parylene F(Chemical formula:C16H8F8,CAS:1785-64-4) not only has good light transmittance, compactness, corrosion resistance, but also has heat resistance, ultraviolet resistance, and can maintain more stable physical and chemical properties at higher temperatures.

In the CN113809388A patent, a composite solid electrolyte material and its preparation method, lithium battery and terminal are introduced. The composite solid electrolyte material includes the inorganic solid electrolyte body and the coating layer covering the external surface of the inorganic solid electrolyte body. The thickness of the coating layer is 5nm-20nm. The insulating polymer is selected from at least one of polyolefin, polyacrylic acid, polyacrylate, polyimide, polyvinylpyrrolidone, polyethylene terephthalate, polyurethane, polyethylene terephthalate and its derivatives and copolymers, and the polyethylene terephthalate and its derivatives include at least one of Perrin N, Perrin C, Perrin D, Perrin F and Perrin HT.

The coating layer of poly (p-xylene) or its derivatives has high cohesion with the inorganic solid electrolyte body, can be applied to various shapes of surfaces, and the coating layer has uniform thickness, good continuity, and is dense without pinholes.


CN113809388A Composite solid electrolyte material and its preparation method, lithium secondary battery and terminal.