材料科学
滤波器(信号处理)
电解电容器
电容器
聚合物电容器
电容
直线(几何图形)
滤波电容器
薄膜电容器
计算机科学
超级电容器
电极
电子工程
电压
电气工程
工程类
物理
数学
量子力学
几何学
作者
Haichao Tang,Yang Tian,Zhong‐Shuai Wu,Yu‐Jia Zeng,Yang Wang,Yang Hou,Zhizhen Ye,Jianguo Lü
出处
期刊:Energy & environmental materials
日期:2022-04-13
卷期号:5 (4): 1060-1083
被引量:18
摘要
Recently, more and more supercapacitors (SCs) have been developed as AC line filter capacitors, which are generally named AC line filter electrochemical capacitors (FECs). Compared to traditional bulky aluminum electrolytic capacitors (AECs), FECs have higher capacity and lower space occupancy, which makes them a strong competitor. However, different from the common SCs for energy storage, it is necessary to consider the frequency response of the SCs for AC line filtering, where the contradiction between frequency response and specific capacitance is a challenge. The researchers have proposed different solutions from the perspective of materials, morphology, and configuration for this challenge. Based on the above background, in this review, we briefly introduce the principle and parameters of AC line filter electrochemical capacitors. We systematically summarize the state‐of‐the‐art progresses of FECs and discuss their possible application and development in the future. The development of FECs can greatly promote the planarization, integration, and miniaturization of filter capacitors, and provide a new solution for the utilization of green and unstable energy.
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