Design of iron-based metal-organic framework (Fe-MOF) and molybdenum telluride (MoTe2) nanohybrids for enhanced energy storage and hydrogen evolution reactions
Hasan B. Albargi, Adnan Abbas, Muhammad Zeeshan, Muhammad Waqas Iqbal, N. A. Ismayilova, Muhammad Arslan Sunny, Haseebul Hassan, Tasawar Abbas
Abstract
Hybrid supercapacitors (HSCs) are devices that have energy storage characteristic of batteries and rapid charging properties of supercapacitors (SCs). HSCs have attracted considerable interest as promising solutions for advanced energy storage applications. Metal-organic frameworks (MOFs) offers high surface area, adjustable porosity, improved accessibility of ions and dispersing active material effectively. While, MoTe 2 have its excellent electrical conductivity and catalysis efficiency and can improve charge storage and transport characteristics of MOFs by incorporation. In this study, a resilient and self-supporting electrode of Fe-MOF@MoTe 2 composite was developed by a hydrothermal technique. In electrochemical behaviors, Fe-MOF@MoTe 2 composite achieved quite excellent specific capacity 1392 C/g at current density of 1.0 A/g. Within HSC configuration, the electrode achieved a specific energy of 80.3 Wh/kg and a marvelous specific power of 800 W/kg. As an electrocatalyst for hydrogen evolution reaction (HER), it demonstrated striking low overpotential value at 130.4 mV along with good slope of Tafel plot of 106.3 mV/dec. Such findings emphasize prospects of Fe-MOF@MoTe 2 as an advanced electrode material, well-suited for efficient energy retention and electrocatalytic applications.