New Carbon Electrodes for Secondary Lithium Batteries

Abstract

We have synthesized and electrochemically tested carbon samples that are suitable as anodes for lithium secondary batteries. The unique synthesis is based on the use of the inorganic templates and organic precursors. Pyrolysis of these carbons was performed at 500 and 700°C. High reversible capacity (up to 825 mAh/g) was found on samples heated to 700°C. The cells were tested continuously for more than 20 cycles with a drop in capacity of only 10%. X‐ray powder diffraction showed that the samples heated to 700°C have a highly disordered structure.