介绍了电介质储能的物理基础和主要测试方法，比较分析了各种电介质储能材料的研究进展。在单相电介质材料中，对于陶瓷材料，研究重点是提高击穿场强；对于玻璃、聚合物材料，研究重点是提高介电常数。通过制备两相复合材料提高储能密度是当前电介质储能材料的研究热点，其中的重点问题是如何更好的控制两相界面来提高储能密度。
The physical basis of energy storage in dielectrics and main test methods were introduced, and the research progress of dielectric materials for energy storage was analyzed and compared. It was found that for the ceramic materials, the research focused on increasing breakdown strength. For the glass and polymer materials, the research focused on increasing permittivity. Preparing two-phase composite material is the research hotspot of dielectric materials for energy storage at present, and the key problem is to control the interface for improving the energy storage density.
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