祝贺硕士生宋媛媛基于纳米多孔碳球材料的微型超级电容器研究工作顺利发表！
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发布时间：2022-05-19
发布时间：2022-05-19
文章标题：祝贺硕士生宋媛媛基于纳米多孔碳球材料的微型超级电容器研究工作顺利发表！
内容：
宋媛媛同学题为“High-Performance All-solid-state Microsupercapacitors from 3D Printing Structure-engineered Graphene-Carbon Sphere Electrodes”的研究论文被Applied Surface Science期刊收录发表。本论文与物理化学系李磊教授团队合作完成，宋媛媛是该论文的共同第一作者，主要完成论文中纳米多孔碳球的制备及形貌结构表征工作。
Abstract: The improvement of the areal energy density of graphene-based microsupercapacitors (MSCs) is reduced by the graphene aggregation issue in electrodes. Solving this issue in MSCs can enhance their electrochemical performance and facilitate their applications in microdevices. Herein, we experimentally realize to prevent graphene aggregation in electrode by engineering its structure via combing both strategies of the addition of spacers of carbon sphere and self-sacrificing template of ethyl cellulose during the 3D printing process. The MSCs based on these electrodes deliver good electrochemical performance with high energy density (4.17 μWh cm-2) and power density (0.22 mW cm-2), promising cycling performance and mechanical flexibility. The method developed here provides a paradigm for preparing high-performance MSCs.
