Self-powered intelligent photochromic glass based on transparent photovoltaic cell and preparation method of self-powered intelligent photochromic glass

Abstract

The invention provides self-powered intelligent photochromic glass based on a transparent photovoltaic cell and a preparation method of the self-powered intelligent photochromic glass. The technical problems that the energy-saving effect is influenced, an external circuit is needed, the safety of electrochromic glass is influenced and existing photochromic glass is not transparent due to the fact that the existing photochromic glass realizes color change by virtue of an external power supply are solved. The self-powered intelligent photochromic glass comprises a frame, an energy storage element, an energy storage circuit, a control circuit, a transparent photovoltaic cell and electrochromic glass; the frame is used for integrated packaging; the transparent photovoltaic cell provides electric energy for the electrochromic glass through the control circuit, and redundant electric energy is stored in the energy storage element through the energy storage circuit; the transparent photovoltaic cell comprises a transparent electrode, a hole transport layer, a light absorption layer, an electron transport layer and a transparent conductive substrate which are arranged layer by layer; the electrochromic glass comprises first transparent conductive glass, a metal frame electrode and second transparent conductive glass which are arranged layer by layer; and a cavity is formed among the first transparent conductive glass, the metal frame electrode and the second transparent conductive glass.

Description

technical field [0001] The invention belongs to the technical field of novel photovoltaic and electrochromic devices, and specifically relates to a self-powered intelligent color-changing glass based on transparent photovoltaic cells and a preparation method thereof. Background technique [0002] Building energy saving has become a hot spot in the industry in recent years. According to a large number of studies by the Berkeley National Laboratory in the United States, electrochromic glass windows can improve building energy saving, and can reduce cooling and lighting power consumption by up to 16%-50% for commercial buildings. . S.K.Deb first proposed the principle of tungsten oxide electrochromic in 1973; Chinese patent CN210090882U proposed an effective method of improving the electrolyte to advance the packaging process of electrochromic glass. [0003] In the past, electrochromic glass mainly relied on external power supply to achieve color change, which would weaken mo...

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Problems solved by technology

[0005] The purpose of the present invention is to solve the deficiencies of the existing color-changing glass relying on an external power source to change color, which affects energy saving, requires external wiring, affects the safety of the electrochromic glass, and is opaque, and provides a self-supplied energy based on transparent photovoltaic cells Intelligent color-changing glass and preparation method thereof

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