为了解决电子池材料改性TiO2涂层暗态下无阴极保护作用的问题，用溶胶．凝胶法及浸渍提拉技术在304不锈钢表面制备了纳米TiO2－WO3复合涂层与纳米TiO2／WO3叠层涂层，用扫描电镜（SEM）、X射线光电子能谱仪（XPS）研究了2种涂层的表面形貌、成分，并用电化学方法研究了2种涂层的光阴极保护特性及耐腐蚀性能。结果表明：2种涂层表面均连续均匀，由Ti，W，O，C组成；紫外光照1h时2种涂层均对3O4不锈钢有一定的光阴极保护作用，闭光后纳米TiO2／WO3叠层涂层的延时阴极保护作用远好于纳米TiO2-WO2复合涂层；2种涂层均对304不锈钢有防腐蚀作用，紫外光照射时纳米TiO2-WO3复合涂层的防腐蚀性比纳米TiO2／WO2叠层涂层的好。
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