Development trend of wireless charging: TX & ferrite for high-power RX and nanocrystalline for thin RX
Ferrite material, also known as oxide magnetic material, is a composite oxide composed of iron and other metals. Its magnetism belongs to ferromagnetism. It is a super exchange interaction between magnetic metal ions separated by oxygen ions, so that it is in different crystal lattice positions
Iron silicon aluminum magnetic alloy was invented by the Japanese in the 1930s. It was invented in Sendai County, so it is also called sendust alloy. Subsequently, it was made into magnetic particle core in the early 1980s, also known as sendust magnetic particle core.