Issue 21, 2025, Issue in Progress

Structure-directed synthesis of bimetallic ZIF-67 LDH nanocomposites for high-performance supercapacitors

Abstract

The energy storage ability of a device highly depends on the morphology of the materials used. A structure-directing agent (SDA) can be used to design materials with a specific surface morphology. Zeolite imidazole (ZIF-67) is a favorable electroactive material for energy storage devices. Here, we present a novel approach for synthesizing a ZIF-67 derived NiCo layer double hydroxide hollow surface sheet like morphology, in which potassium fluoroborate acts as a SDA. The hollow sheets possess the largest specific capacitance of 1171 F g−1 at 1 A g−1. The energy storage device composed of ZIF-67 derivatives and a carbon electrode presents a maximum energy density of 26 W h kg−1 at a power density of 804 W kg−1. The device shows good cyclic stability of 84% after 10 000 charge–discharge cycles. These outcomes reveal the promising potential of zeolite imidazole (ZIF-67)-based materials for use in next-generation energy storage devices.

Graphical abstract: Structure-directed synthesis of bimetallic ZIF-67 LDH nanocomposites for high-performance supercapacitors

Supplementary files

Article information

Article type
Paper
Submitted
16 Mar 2025
Accepted
05 May 2025
First published
19 May 2025
This article is Open Access
Creative Commons BY license

RSC Adv., 2025,15, 16667-16676

Structure-directed synthesis of bimetallic ZIF-67 LDH nanocomposites for high-performance supercapacitors

Z. U. Rehman, S. Yao, A. Miotello, M. Ben Henda, U. Farooq, I. Aziz, T. M. Althagafi, Z. M. Almarhoon, M. E. A. Zaki and A. U. Khan, RSC Adv., 2025, 15, 16667 DOI: 10.1039/D5RA01889G

This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. You can use material from this article in other publications without requesting further permissions from the RSC, provided that the correct acknowledgement is given.

Read more about how to correctly acknowledge RSC content.

Social activity

Spotlight

Advertisements