超级电容器
储能
纳米技术
数码产品
可穿戴计算机
材料科学
可穿戴技术
可再生能源
电化学能量转换
碳纳米管
电容
工艺工程
工程类
电化学
计算机科学
电气工程
电极
化学
功率(物理)
嵌入式系统
物理化学
物理
量子力学
作者
D. Baba Basha,Sultan Ahmed,Ahsan Ahmed,M.A. Gondal
标识
DOI:10.1016/j.est.2022.106581
摘要
In pursuit of the proper use of renewable energy, researchers have been actively looking for suitable energy storage materials. Porous carbon (PC) derived from biomass has large surface area, high electrical conductivity, low manufacturing cost and environment-friendly nature, and therefore it is considered an ideal choice, as an electrode material for energy storage devices. The N-doping can further enhance the physicochemical/electrochemical properties of PC. The rapid development in the wearable electronics has inspired the call for miniaturized energy storage devices. Due to their long cyclic lifetime, high power density and rapid charging/discharging, micro-supercapacitors (MSCs) have drawn considerable attention. In the current decade, the main emphasis has been on improving the energy density of MSCs. Therefore, with the aim of improving the electrochemical performance of MSCs, researchers have focused their attention on electrode materials. It has been found that electrode material and electrode design is important for the performance of MSCs. The present review focuses on the current developments in the MSCs. In this review, we discuss various techniques employed for the preparation of MSCs. Subsequently, the focus has been on PC derived from biomass and their N-doping by conventional (using Nitrogen precursor with biomass) and self-doped (only biomass). Further, few Nitrogen-doped PC based MSCs have been discussed and a capacitance as large as 36.5 mF cm−2 has been noted. It is therefore believed that the NPC strategy may offer several prospects in the advancement of low-cost and high-performance MSCs on a large scale for commercial applications.
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