Challenges to High Magnetic Flux Density and Low Loss Magnetic Materials and Devices for Next-Generation Power Electronics

High-saturation magnetic flux density and low iron loss soft magnetic materials as passive components in modern power-electronics systems has attracted much attention due to the compelling global demand of carbon neutrality. For this purpose, many elemental studies on iron loss have been undergone, such as multi-dimensional iron loss map, iron loss component analysis, broad-band iron loss measurement, data science driven material development, and so on. In this paper, our recent results on iron loss analyses and material developments are introduced.