Recent Research Trends on Zeolitic Imidazolate Framework-8 and Zeolitic Imidazolate Framework-67-Based Hybrid Nanocomposites for Supercapacitor Application

Abstract

Recently, Zeolitic Imidazolate Frameworks (ZIFs) and their hybrid composites have incited a lot of interest in the research community and have shown promising potential in supercapacitors owing to their excellent conductivity, high surface area, tunable structure, rich redox chemistry, composition diversity, etc. Even though many ZIFs are being studied for the advancement of electrode materials used for energy storage applications, in this review, we are focused on ZIF-8 and ZIF-67 only. The electrochemical performance of pure ZIFs is poor due to low electronic conductivity and poor cycling life. To counter this, ZIFs are mixed with other materials like conducting polymers, other transitional metals composites, and activated carbons to prepare hybrid composites. Furthermore, the highly porous structure and large surface area of the ZIFs cage act as an ideal template for designing composites with excellent supercapacitor applications. This reviewis focus on the synthesis and electrochemical performance of such materials. This review is divided into two main parts: the design and synthesis of ZIF-8 and ZIF-67 derivatives for supercapacitor applications and the electrochemical performance of ZIF-8 and ZIF-67-based derivatives in three-electrode and two-electrode setups. Lastly, the challenges and obstacles encountered while employing ZIF-8 and ZIF-67-based composites in supercapacitors will be reviewed and commented on.

Metal-free platforms for molecular thin films as high-performance supercapacitors

“…S46†), calculated using methods in the literature. 72–75 Four ASC devices were connected in series, showcasing excellent performance with an LED light-up time of 5 ± 0.8 minutes after charging with a 6 V battery for 2 minutes (Fig. S47†).…”

Zeolitic imidazolate framework derivatives as anode materials for sodium and potassium-ion batteries: a mini review

“…32–36 However, the inherent high porosity of pristine ZIFs often results in poor electronic conductivity, limiting their suitability for batteries. 37 Efforts to enhance the electronic conductivity of ZIF-derived materials have been extensive, involving the use of pristine ZIFs as templates for derivation through methods like calcination or composite treatment. 38–40 These efforts have significantly improved overall electrochemical performance of ZIF-based systems.…”

(Fe-Co-Ni-Zn)-Based Metal–Organic Framework-Derived Electrocatalyst for Zinc–Air Batteries

“…MOFs offer versatility at the molecular level, allowing researchers to design them with specific properties like pore size, surface chemistry, and thermal stability [ 27 , 31 ]. This adaptability enables customization for applications such as energy storage [ 32 ], separation [ 33 ], catalysis [ 34 ], and sensing [ 35 ]. The remarkable porosity of MOFs provides a substantial surface area for gas adsorption and storage, making them valuable for tasks like carbon capture and storage, as well as precise gas purification through selective separation [ 36 ].…”