Preparation of Energy Storage Nanomaterials and their Applications in Supercapacitors and Batteries

Dear Colleagues,

Over the past few decades, nanomaterials have been extensively utilized for realizing high-efficiency energy storage devices, owing to their unique materials’ properties. Nanomaterials demonstrate these properties, which differ significantly from their bulk counterparts, due to the increased surface area-to-volume ratio, quantum effects, and dominance of surface atoms. These distinctive properties make nanomaterials highly valuable in energy storage applications. The high surface-to-volume ratio and short diffusion pathways of nano-sized materials can achieve large power densities, as well as high energy densities. In addition, their various synthesis and functionalization methods enable the mass production of energy storage devices.

To date, supercapacitors and batteries represent the main energy storage devices that can meet increasing global demands to power various electronics, including cellular phones, laptop computers, and digital cameras. The demand for these has recently been rapidly growing due to emerging applications of energy storage in the new generation of electric vehicles, hybrid electric vehicles, smart grids, and electrical energy storage from wind and solar power. Supercapacitors (or ultracapacitors or electrochemical capacitors) are energy storage devices that bridge the gap between conventional capacitors and batteries. Batteries store energy through electrochemical reactions. The performance of a battery is largely determined by the materials used in the electrodes and electrolytes.

In this Special Issue of Nanomaterials, we aim to cover the recent advancements in the preparation of nanomaterials for supercapacitors and batteries. Original research articles and reviews are welcome. Research areas may include (but are not limited to) the following: the preparation and characterization of nanomaterials for energy storage devices (including, but not limited to, supercapacitors, Li-ion batteries, Li-sulfur batteries, electric double-layer capacitors, hybrid capacitors, and emerging electrochemical devices); emerging preparation or characterization techniques for nanomaterials utilizing operando techniques; and density functional theories and quantum computation for those energy devices.

Prof. Dr. Joonho Bae
Guest Editor

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• nanomaterials
• supercapacitors
• batteries
• Li-ion batteries
• Li-sulfur batteries
• electric double-layer capacitors