公开(公告)号：US20190214677A1

公开(公告)日：2019-07-11

申请号：US16244273

申请日：2019-01-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Takanobu YAMADA ,  Shiratsuchi TOMOYUKI ,  Koji YOSHIDA ,  Ryo OMODA

IPC: H01M10/0562 ,  H01M10/0585 ,  H01M4/70 ,  H01M2/14 ,  H01M4/62 ,  H01M4/04

CPC classification number: H01M10/0562 ,  H01M2/145 ,  H01M4/049 ,  H01M4/622 ,  H01M4/70 ,  H01M10/0525 ,  H01M10/0585 ,  H01M2300/0071

Abstract: An all-solid secondary battery, including: a first current collector; a pair of first active material layers disposed on opposite sides of the first current collector; a pair of solid electrolyte layers disposed on surfaces of the pair of first active material layers; a pair of second active material layers disposed on surfaces of the pair of solid electrolyte layers; and a pair of second current collectors disposed on surfaces of the pair of second active material layers, wherein a surface of one of the pair of second current collectors opposite to a surface of one of the pair of second active material layers does not comprise protrusions having a height of greater than about 8 micrometers.