TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preparation: The preparation method of the graphite powder of lithium ion battery negative pole comprises (1) grinding the graphite powder to the mean particle size of 5-35; (2) adding the coating modifying agent which is 0-30 wt.% more than graphite powder or/and catalyst which is 0-10 wt.% more than graphite powder; mixing and dissolving; (3) pre-heating for 1-30 hours at the speed of 1-20 degrees C per minute within 300-1600 degrees C; (4) heat treating for 1-144 hours at heating speed of 1-20 degrees C per minute within 750-3500 degrees C; cooling to room temperature naturally; and obtaining the nano-porous graphite powder. Preferred Process: The method further comprises demagnetizing screening after cooling to room temperature naturally then obtaining the product with mean particle size of 5-35 mu m. The method further comprises spraying granulating at 100-250 degrees C after mixing and dissolving. While pre-heating and heat treating, the method comprises inletting more than one of protective or purified gas such as nitrogen, argon, helium, neon, carbon dioxide, chlorine, and fluorine. Preferred Parameters: The near-spherical long short diameter rate of the graphite powder is 1.5-4.0; the specific surface area is 2.0-10.0 m2/g; the powder pressing density is 1.60-1.90 g/cm3; the mean grain size is 5-35 mu m; the crystal layer space d002 is 0.334-0.346 nm. The pH of graphite powder is 4-7; the anion content is less than or equal to 50 ppm; the organic matter content is less than or equal to 1 ppm; the magnetic substance is less than or equal to 0.1 ppm; and the content of the metal and non-metal micro-element which has distinct or potential influence to lithium ion battery synthesis is less than or equal to 11 ppm. The gas flux of inlet protective or purified gas is more than 0-150 L/hour. Preferred Components: The anion is chloride (Cl-), sulfate (SO42-), nitrate (NO3-), or phosphate (PO43-) acid radical ion. The graphite powder has the specific capacity of more than 365 mAh/g. The magnetic substances are simple substance or compounds containing iron (Fe), nickel (Ni), and chromium (Cr) elements and zinc oxide (ZnO). The micro-elements are Fe, cobalt (Co), Ni, copper (Cu), aluminum (Al), manganese (Mn), sodium (Na), and potassium (K). The phosphorus compound is phosphoric acid or phosphorus pentoxide (P2O5); the boron compound is boron carbide (B4C), boron nitride (BN), boric anhydride (B2O3), or boric acid (H3BO3); the zirconium compound is zirconium oxide (ZrO2), zirconium hydroxide (Zr(OH)4), or zirconium(IV) chloride (ZrCl4); the titanium oxide is titanium dioxide (TiO2); and the silicon oxide is silicon dioxide (SiO2) or silicon monoxide (SiO). Preferred Composition: The micro-element Fe is less than or equal to 1 ppm; the contents of more than one of Co, Ni, and Cu are less than or equal to 5 ppm.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The organic matters are toluene, quinoline, benzopyrene, anthracene or/and phenanthrene. The coating modifying agents are organic matter which can be carbonized. The graphite powders are natural graphite, artificial graphite, and other carbon material which is easy to be graphitized having carbon content of 80.0-99.0%. Preferred Catalysts: The catalysts are phosphorus, phosphorus compound, boron, boron compound, zirconium, zirconium compound, titanium, titanium oxide, silicon, and silicon oxide.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The organic matter which can be carbonized is furan resin, urea resin, pyramine resin, phenol formaldehyde resin, epoxy resin, polyvinyl alcohol, polyethylene glycol, polystyrene, polymethyl methacrylate, polytetrafluoroethylene, polyvinylidene fluoride, polyacylonitrile, styrene-butadiene rubber, cellulose, coke, coal tar, or petroleum asphalt.