Exploring the potential of a ZIF-8@MCM-41-based heterostructured material for battery-type electrodes for supercapatteries

• Published in: New journal of chemistry 2024-09, Vol.48 (37), p.16311-16322
• Main Authors: Santos, Josefa Dina, Mendonça, Jhonatam Pinheiro, Campos, Vanessa N. S, Teixeira, Mayara M, Schwanke, Anderson J, Bernardo-Gusmão, Katia, Cabral, Aluisio A, Rodrigues, Samuel Filgueiras, Paiva, Antônio Ernandes Macedo, Alcântara, Ana C. S, Garcia, Marco Aurélio Suller, Rojas, Alex
• Format: Article
• Language: English
• Subjects: Composite materials; Diffraction patterns; Electrodes; Energy storage; Heterostructures; Performance evaluation; Porous materials; Supercapacitors
• ISSN: 1144-0546; 1369-9261
• DOI: 10.1039/d4nj02596b

Strategically engineering composite materials holds considerable importance in research for enhancing their electrochemical characteristics for application in advanced energy storage devices. Within this context, we explored the potential of a heterostructured material as an electrode for high-performance battery-type electrodes for supercapatteries, individually evaluating the material's components. We synthesized MCM-41, functionalized-MCM-41, ZIF-8, and a ZIF-8@NH-MCM-41 heterostructured material and examined their individual physicochemical characteristics to gain insights into their collective properties when combined. X-ray diffraction patterns confirmed the successful preparation of a heterostructure, while spectroscopic analyses indicated the possible chemical interactions of these materials. Also, nitrogen adsorption-desorption isotherms suggested a new porous architecture for the ZIF-8@NH-MCM-41 material, making it suitable and highly interesting for resolving storage issues. The ZIF-8@NH-MCM-41 material exhibited a high specific capacity (356.11 mA h g −1 ) with excellent retention. When used to create an asymmetric supercapacitor, the heterostructure showed an energy density of 7.7 W h kg −1 at a power density of 495 W kg −1 at 1 A g −1 . Even after 1000 cycles at 8 A g −1 , the material demonstrated excellent stability showing its potential for future applications. Thus, this work demonstrates the potential of a heterostructured material for application in high-performance supercapacitors, providing a viable route forward for energy storage applications. Demonstration of the potential of a heterostructured material, ZIF-8@NH-MCM-41, for application in high-performance supercapacitors, a viable route forward for energy storage applications.