Abstract
Phase change energy storage microcapsules (PCESM) are commonly used for energy storage and energy conservation management. The device has the function to absorb and store external energy by doping PCESM. In the field of optoelectronic displays, the multi-field driven thermochromic film (TCF) was driven through continuous action of electric field and temperature field to realize the special display function of TCF. The study presents a multi-field driven thermochromic films with phase change energy storage properties (PCES-TCF). PCES-TCF is constructed by thermochromic liquid crystal layer and polymer dispersed liquid crystal layer. In the performance experiments, the effects of diluent, liquid crystal and PCESM contents on the electro-optical properties of PCES-TCF were mainly investigated. In the film formation experiments, PCES-TCF is driven by the electric and temperature fields for transmittance and color change, while preparing multi-color patterns. The film formation on either rigid or flexible substrates possesses stable phase change energy storage as determined by infrared thermography and differential scanning calorimetry (DSC). PCES-TCF has a strong potential for application by reducing external energy consumption based on enhanced color change time controllability.
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