WO3 Applied for Large Area Smart Glass

WO3 may be applied for preparing a large area smart glass. As you may have known, tungsten trioxide is a smart energy-saving material that can undergo electrochromism, that is, a well-known electrochemical phenomenon, so it has broad application prospects in smart windows such as large-area electrochromic glass. Both the smart window and the large-area smart glass mentioned above belong to electrochromic devices. For electrochromic devices, cycle life is an important performance index. But do you know why it is generally not switched between the maximum capacity of electrochromic devices during use?

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Experts explain that when a positive and negative voltage is applied continuously to an electrochromic device, the electrochromic device will continuously circulate between the colored state and the bleached state. Therefore, the device will be worn out to be unusable, which is mainly caused by solid phase physical changes or chemical side reactions. If the voltage difference applied in the cycle is too large, the cycle life of the device will also be shortened. Therefore, generally, it is not switched between the maximum capacities of the electrochromic devices during use.

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