来自金属有机框架的双氧化物基层电极材料:在超级电容器中的合成和应用
Fujuan Luo1, Xiaoguang San2, Yisong Wang3
1School of Materials Science & Chemical Engineering, Ningbo University, Ningbo, Zhejiang 315211, China. taokai@nbu.edu.cn.
Dalton transactions (Cambridge, England : 2003)
|May 23, 2024
概括
金属有机框架 (MOFs) 可以转化为分层双氧化物 (LDHs),以提高超级电容器 (SC) 的性能. 这种MOF衍生的LDH方法增强了先进的能量存储的稳定性和导电性.
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
- 储能 储能 储能 储能 储能 储能
背景情况:
- 金属有机框架 (MOFs) 显示出作为超级电容器 (SC) 电极材料的潜力,因为它们的多孔性和可调性.
- 对SC的MOF的主要局限性包括电导率低和循环稳定性差.
- 层状双氧化物 (LDH) 提供了更好的电化学性能,但可能会受到聚合的影响.
研究的目的:
- 引入合成策略,将MOF转化为LDH,用于增强超级电容器应用.
- 审查MOF衍生的LDH作为超级电容器的电极材料的最新进展.
- 讨论MOF衍生LDH电极材料的挑战和未来方向.
主要方法:
- 使用MOF作为模板或前体来合成LDHs.
- 描述由MOF衍生的LDH产生的结构和电化学特性.
- 监督原始LDH粉末,LDH复合物和从MOF中衍生出的基于LDH的阵列的研究.
主要成果:
- 与原始MOF相比,MOF衍生的LDH表现出增强的稳定性,电导率和质量传输.
- 源自MOF的LDH结构可以防止聚合,并促进活性部位的分散.
- 各种形式的MOF衍生的LDH (粉末,复合材料,阵列) 在超级电容器中表现出有前途的性能.
结论:
- 将MOF转换为LDH是一种有效的策略,可以克服超级电容器电极中MOF的局限性.
- MOF衍生的LDH为开发高性能超级电容材料提供了一个有前途的途径.
- 需要进一步的研究来应对现有的挑战,并优化MOF衍生的LDH电极材料.
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