Spherical deposition kills tips
Lorentz force from an external magnetic field drives Li ions into spiral motion, turning dendrites into spherical deposits and eliminating short-circuit risk at the source.
Shikang, Wang · Deng, Qibo · Jie, Gu · Liu, Hai · Yiou, Wu · Pingwei, Chen · Liuli, Zhang · An, Cuihua · Hu, Ning
Journal of Energy Storage 2025
Full cell with NCM523 cathode shows high capacity retention
Li dendrites deposit spherically under magnetic field, eliminating tip effect