Patent ID: 8507133
Filing Date: 2013-08-13
Classification: H01M,Y02E,Y02T,Y10T

Abstract:
1. An anode active material comprising a metallic part which comprises Sn or Si and has a film thickness of 0.05 μm or less, wherein the anode active material is a flaky material comprising the metallic part and a carbon coat laminated therein, a film thickness of the carbon coat is in the range of 0.01 μm to 1.0 μm, the anode active material is a 3-layer structure having a metallic part, a carbon coat and a metallic part laminated in that order, or a 3-layer structure having a carbon coat, a metallic part and a carbon coat laminated in that order, and the metallic part in the 3-layer structure is a single layer.