材料科学
超级电容器
纳米技术
纳米材料
杂原子
电化学
储能
表面改性
碳纤维
电化学储能
电化学能量转换
接口(物质)
化学工程
电极
化学
复合数
复合材料
功率(物理)
戒指(化学)
物理
有机化学
物理化学
量子力学
工程类
毛细管数
毛细管作用
作者
Ruiqi Cheng,Yinger Xiang,Rui Guo,Lin Liu,Guoqiang Zou,Chaopeng Fu,Hongshuai Hou,Xiaobo Ji
出处
期刊:Small
[Wiley]
日期:2021-07-28
卷期号:17 (40): 2102091-2102091
被引量:25
标识
DOI:10.1002/smll.202102091
摘要
Carbon dots (CDs) as new nanomaterials have attracted much attention in recent years due to their unique characteristics. Notably, structure and interface modification (carbon core, edge, defects, and functional groups) of CDs have been considered as valid methods to regulate their properties, which contain electron transfer effect, electrochemical activity, fluorescence luminescent, and so on. Additionally, CDs with ultrasmall size, excellent dispersibility, high specific surface area, and abundant functional groups can guarantee positive and extraordinary effects in electrical energy storage and conversion. Therefore, CDs are used to couple with other materials by constructing a special interface structure to enhance their properties. Here, diverse structural and interfacial modifications of CDs with various heteroatoms and synergy effects are systematically analyzed. And not only several main syntheses of CDs-based composites (CDs/X) are summarized but also the merit and demerit of CDs/X in electrical energy storage are discussed. Finally, the applications of CDs/X in energy storage devices (supercapacitors, batteries) and electrocatalysts for practical applications are discussed. This review mainly provides a comprehensive summary and future prospect for synthesis, modification, and electrochemical applications of CDs.
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