such as artificial graphite, natural graphite, intermediate carbon microspheres, petroleum coke, carbon fiber, pyrolytic resin carbon. Tin-base anode materials can be divided into SN oxides and tin-based composite oxides. Oxides are the oxides of various valence metal tin. There are no commercial products. Nitride, there is no commercial product. Alloys, including tin-based, silicon-based, germanium, aluminum, antimony, magnesium and other alloys, are not commercially available. Nano-scale, carbon nanotubes, nano-alloy materials. Nanometer oxide, currently according to 2009 lithium battery New Energy industry market development trend.