NONAQUEOUS ELECTROLYTIC SECONDARY BATTERY AND METHOD OF PRODUCING ANODE MATERIAL THEREOF

A nonaqueous electrolytic secondary battery comprising an anode consisting of a carbon material, an electrolyte containing a lithium salt, and a cathode consisting of a material capable of occluding/releasing lithium metal or lithium, characterized in that the anode consists of a graphite boride material, and an abundance ratio of boron and boron compound in terms of boron is 0.05-11 wt.%; and a method of producing the anode material thereof.