20150180020 | CARBONACEOUS MATERIAL FOR ANODE OF NANAQUEOUS ELECTROLYTE SECONDARY BATTERY, PROCESS FOR PRODUCING THE SAME, AND ANODE AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY OBTAINED USING THE CARBONACEOUS MATERIAL - The object of the present invention is to provide a carbonaceous material for an anode of a nonaqueous electrolyte secondary battery which uses a plant-derived organic material as a raw material, has high purity so that alkali metals such as the potassium element are sufficiently removed by de-mineral, and has excellent cycle characteristics, and to provide a lithium ion secondary battery using the carbonaceous material. | 06-25-2015 |