超级电容器
能量密度
电容
储能
透视图(图形)
材料科学
电容器
工程物理
纳米技术
能量(信号处理)
电压
电气工程
计算机科学
工程类
功率(物理)
物理
电极
量子力学
人工智能
标识
DOI:10.1007/s40843-018-9290-y
摘要
Compared with other energy storage devices, supercapacitors have superior qualities, including a long cycling life, fast charge/discharge processes, and a high safety rating. The practical use of supercapacitor devices is hindered by their low energy density. Here, we briefly review the factors that influence the energy density of supercapacitors. Furthermore, possible pathways for enhancing the energy density via improving capacitance and working voltage are discussed. In particular, we offer our perspective on the most exciting developments regarding high-energy-density supercapacitors, with an emphasis on future trends. We conclude by discussing the various types of supercapacitors and highlight crucial tasks for achieving a high energy density.
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