超级电容器是一种具有高功率密度和长循环寿命的能源存储系统,电极材料是超级电容器的核心部分。碳材料是目前已商业化的超级电容器电极材料,低的能量密度使其仍有很大的发展空间。聚酰亚胺具有易碳化、富含杂原子、碳收率高、结构设计性强等诸多优点,是超级电容器电极材料的潜在前驱体材料。介绍了基于聚酰亚胺碳材料的超级电容器电极的制备方法,以及聚酰亚胺基复合碳材料在超级电容器中的应用进展,最后展望了聚酰亚胺基碳材料在超级电容器电极中的发展方向。
Supercapacitor is a kind of energy storage system with high power density and long cycle life.The electrode material is a crucial part of the supercapacitor.As a commercialized electrode material for supercapacitors,carbon material shows low energy density,which makes it have significant room for improvement.Polyimide is a potential precursor material for supercapacitor electrode materials due to its advantages such as ease of carbonization,rich heteroatoms,high carbon yield,and flexible molecular structure.The preparation methods of supercapacitor electrodes based on polyimide carbon materials and the advancements in the application of polyimide-based composite carbon materials in supercapacitors were discussed,and the potential future development directions of polyimide-based carbon materials for supercapacitor electrodes were envisioned.
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基金资助
国家自然科学基金(51503216);浙江省重点研发计划(2021C01004)
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