abstract |
The present invention relates to an anode material and a method of manufacturing the silicon flake, which are characterized by including a silicone flake having an initial hole (hyperporous) structure represented by the following formula (1) as an active material. xSi (1-x) A (1) In this formula, 0.5? X? 1.0; A is an impurity, Al 2 O 3, MgO, SiO 2, GeO 2, Fe 2 O 3, CaO, TiO 2, Na 2 OK 2 O, CuO, ZnO, NiO, Zr 2 O 3, Cr 2 O 3 And BaO. |