中文摘要：

电致变色材料具有结构可控、色彩丰富、成本低廉、节能低耗等特点，是目前最具应用前景的智能材料之一。概述了电致变色器件的基本结构、变色机理，着重介绍了电致变色器件各层材料（透明导电层、电致变色层、电解质层、离子储存层）的特性要求及研究现状，举例说明了其在智能窗、防眩目汽车后视镜、电子纸、传感器、军事伪装中的应用。

英文摘要：

Electrochromic material is one of the most promising intelligent materials due to its controllable structure, rich color, low cost and energy. The structure and mechanism of electrochromic device are summarized, and the progress of each layer material （transparent conductor, electrochromic, electrolyte, ion storage） is emphati cally introduced. Besides, several important applications of electrochromic devices are listed in detail, taking smart windows, auto dimming rearview mirror, electronic paper, sensors, military camou{lage for example.