Understand the energy density of electric and magnetic fields by exploring how energy is stored and distributed in electromagnetic fields. This video explains the underlying physics, key equations, ...

High energy density materials (HEDMs) represent a rapidly evolving class of compounds that store and release large amounts of energy in a compact framework. These materials, often based on ...

Scientists in Korea have fabricated a solar-powered charging device that can reportedly achieve a power density of 2,555.6 W kg and an energy efficiency of 63%. The system uses nickel-based compounds ...

Scientists improved battery durability and energy density with a nano-spring coating. A research team led by Professor Kyu-Young Park from the Institute of Ferrous & Eco Materials Technology, ...