公开(公告)号：US20170040607A1

公开(公告)日：2017-02-09

申请号：US15047740

申请日：2016-02-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyunghoon CHO ,  Seunghoon NAM ,  Hwiyeol PARK ,  Hojung YANG ,  Huisu JEONG ,  Jin S. HEO

IPC: H01M4/525 ,  H01M10/0525 ,  H01M10/0562 ,  H01M4/1391 ,  C30B29/22 ,  H01M4/134 ,  H01M4/38 ,  H01M4/1395 ,  C30B28/02 ,  H01M4/131 ,  H01M4/04

CPC classification number: H01M4/525 ,  C30B28/02 ,  C30B29/22 ,  H01M4/0404 ,  H01M4/0407 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1395 ,  H01M4/382 ,  H01M4/505 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/0562 ,  H01M10/0583 ,  H01M2004/021 ,  H01M2004/027 ,  H01M2004/028 ,  H01M2220/30 ,  H01M2300/0068

Abstract: A cathode includes a cathode collector layer, and a cathode active material layer on a surface of the cathode collector layer. The cathode active material layer includes a sintered polycrystalline material having a plurality of crystal grains of a lithium-based oxide, and each of the plurality of crystal grains includes a seed template, and a matrix crystal around the seed template, where the seed template is a single crystal and having a shape of a plate.

Abstract translation: 阴极包括阴极集电体层和阴极集电体层的表面上的正极活性物质层。 阴极活性物质层包括具有多个锂基氧化物的晶粒的烧结多晶体材料，并且多个晶粒中的每个晶粒包括种子模板和种子模板周围的基质晶体，其中种子模板是 单晶并且具有板的形状。