The formation of Li Si causes significant volumetric expansion , progressively destroying the anode .
The atomic radius of Si is 1.46 angstroms , while the atomic radius of Li is 2.05 angstroms .
The formation of Li   causes significant volumetric expansion , progressively destroying the anode .
The atomic radius of Si is 1.46 angstroms , while the atomic radius of Li is 2.05 angstroms .