Battery with anode of macroporous silicon coated with carbon

摘要

Silicone materials suitable for use as anode materials and associated manufacturing methods are disclosed herein. In one embodiment, the silicon material comprises crystalline silicon in a matrix and large scale pores distributed in a matrix of crystalline silicon. The macro-scale pores can have a size larger than 100 nanometers, and the crystalline silicon surface in the macro-scale pores is coated with carbon.