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US 8,617,746 B2Granted
Si/C composite, anode active materials, and lithium battery including the same
AssigneeSamsung SDI Co., Ltd.
InventorsSang-kook Mah, Han-su Kim
Life of this patent
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Abstract
An Si/C composite includes carbon (C) dispersed in porous silicon (Si) particles. The Si/C composite may be used to form an anode active material to provide a lithium battery having a high capacity and excellent capacity retention.
Claims17
An anode active material comprising an Si/C composite, the Si/C composite including silicon (Si) particles having pores, and carbon embedded within the pores of Si particles and/or coated with the Si particles.
A lithium battery comprising:
- a cathode;
- an anode including a metal current collector and an anode active material, the anode active material including an Si/C composite, the Si/C composite including silicon (Si) particles having pores, and carbon embedded within the pores of Si particles and/or coated with the Si particles;
- and
- an electrolyte solution.
1 more element
Dependencies are inferred from the claim text.