Patent ID: 9620769
Date: 2017-04-11
CPC Classifications: H01M,Y02E,Y02P

Claim:
1. An electrode of a power storage device, comprising: a current collector; and an active material layer including a first region and a second region over the current collector, wherein the first region covers an entire surface of the current collector, wherein the second region includes a plurality of whisker-like active material bodies, the plurality of whisker-like active material bodies being amorphous and extended from the first region, wherein at least one of the plurality of whisker-like active material bodies includes at least a core and an outer shell covering the core, wherein the outer shell is amorphous, wherein the core is in contact with the current collector through the first region, and wherein an interface between the first region and the second region is a surface which is parallel to the surface of the current collector and overlaps with a bottom of a deepest valley of valleys between the plurality of whisker-like active material bodies.