Issue 25, 2024

Layered double hydroxide-based electrode materials derived from metal–organic frameworks: synthesis and applications in supercapacitors

Abstract

Metal–organic frameworks (MOFs) have emerged as promising electrode materials for supercapacitors (SCs) due to their highly porous structures, tunable chemical compositions, and diverse morphologies. However, their applications are hindered by low conductivity and poor cycling performance. A novel approach for resolving this issue involves the growth of layered double hydroxides (LDHs) using MOFs as efficient templates or precursors for electrode material preparation. This method effectively enhances the stability, electrical conductivity, and mass transport ability of MOFs. The MOF-derived LDH exhibits a well-defined porous micro-/nano-structure, facilitating the dispersion of active sites and preventing the aggregation of LDHs. Firstly, this paper introduces synthesis strategies for converting MOFs into LDHs. Subsequently, recent research progress in MOF-derived LDHs encompassing pristine LDH powders, LDH composites, and LDH-based arrays, along with their applications in SCs, is overviewed. Finally, the challenges associated with MOF-derived LDH electrode materials and potential solutions are discussed.

Graphical abstract: Layered double hydroxide-based electrode materials derived from metal–organic frameworks: synthesis and applications in supercapacitors

Article information

Article type
Frontier
Submitted
08 Mey 2024
Accepted
14 Mey 2024
First published
15 Mey 2024

Dalton Trans., 2024,53, 10403-10415

Layered double hydroxide-based electrode materials derived from metal–organic frameworks: synthesis and applications in supercapacitors

F. Luo, X. San, Y. Wang, D. Meng and K. Tao, Dalton Trans., 2024, 53, 10403 DOI: 10.1039/D4DT01344A

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