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醇功能化的导电Co-MOF及其衍生品S-dopedCo(OH)₂纳米花用于高性能超级电容器

Peng-Fei Qiu¹, Xiu-Niang Tan¹, Zai-Yin Huang¹

¹School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning 530006, China; Key Laboratory of Chemistry and Engineering of Forest Products, State Ethnic Affairs Commission, Nanning 530006, China; Guangxi Key Laboratory of Chemistry and Engineering of Forest Products, Nanning 530006, China; Guangxi Collaborative Innovation Center for Chemistry and Engineering of Forest Products, Nanning 530006, China; Key Laboratory of Guangxi Colleges and Universities for Food Safety and Pharmaceutical Analytical Chemistry, Nanning 530006, China.

Journal of colloid and interface science

|October 17, 2024

概括

研究人员从醇功能化的金属有机框架中开发了新的S-化化纳米花,用于先进的超级电容器. 这些材料具有高容量和稳定性,为改进的电化学能量存储解决方案铺平了道路.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
纳米技术纳米技术

背景情况:

传统的基于金属有机框架 (MOF) 的电极的低导电性阻碍了电化学能量储存.
醇功能化的MOF为可控制的纳米材料合成提供了潜力.

研究的目的:

为超级电容器应用准备醇功能化MOF衍生的纳米材料.
为了研究这些新型电极材料的电化学性能.

主要方法:

在泡上用醇功能化的Co-MOF/NF在现场界面生长合成.
离子蚀刻/交换反应将Co-MOF/NF转化为S-化β-Co(OH) 2纳米花 (Co-x/NF).
作为超级电容电极的原始和衍生材料的电化学表征.

主要成果:

成功合成了Co-MOF/NF及其衍生物Co-x/NF.
Co-1/NF电极表现出高面积电容 (1925 ± 23 mF/cm2在1 mA/cm2),良好的速率能力,导电性和循环稳定性.
Co-1//AC不对称超级电容器 (ASC) 装置实现了高能量密度 (0.176 mWh/cm2) 和功率密度.

结论:

醇功能化的MOF转换策略为先进的储能材料提供了新的途径.
衍生出的S-dopedβ-Co(OH) 2纳米花在实际超级电容应用中表现有前途.
这项工作为储能中基于MOF的纳米结构提供了一个新的策略.

关键词:

金属有机框架结构纳米花的纳米花是什么意思含有S-的β-Co () () () () () () () () () () () () () () ) () ) () ) () () ) () ) () ) () ) () ) () ) () () () ) () ) () ) () ) () ) () ) () ) () ) () ) () ()超级电容器的超级电容器是什么

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