At present, the investigation about this aspect is concentrate on the pure inorganic cathodal electrochromic materials like WO3 and organic electrochromic materials like Prussian blue and Polyaniline.

• 关于这方面的研究却主要集中在以WO_3为代表的一元无机阴极电致变色材料和普鲁士兰、聚苯胺为代表的有机电致变色材料上，对多元的电致变色材料的研究较少。