公开(公告)号：US20170346078A1

公开(公告)日：2017-11-30

申请号：US15397910

申请日：2017-01-04

Applicant: Samsung Electronics Co., Ltd. ,  Samsung SDI Co., Ltd.

Inventor： Ken OGATA ,  Seongho Jeon ,  Koichi TAKEI ,  Sungsoo Han

IPC: H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/02

CPC classification number: H01M4/364 ,  H01M4/13 ,  H01M4/386 ,  H01M4/587 ,  H01M10/0525

Abstract: A composite anode active material includes a composite medium, the composite medium including a first medium block including a metal nanostructure capable of intercalation or deintercalation of lithium and a conductive medium disposed on the metal nanostructure; and a second medium block, disposed adjacent to the first medium block and including a medium which is free of the metal nanostructure.