公开(公告)号：US10892488B2

公开(公告)日：2021-01-12

申请号：US15873287

申请日：2018-01-17

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

Inventor： Dongjin Ham ,  Jayhyok Song ,  Donghee Yeon ,  Jinhwan Park ,  Daechul Yoo

IPC: H01M4/58 ,  H01M4/04 ,  H01M10/052 ,  H01M4/88 ,  H01M10/054 ,  H01M4/86 ,  H01M4/36 ,  H01M4/525 ,  H01M4/02

Abstract: An electrode active material includes: a core active material having a layered structure and capable of reversibly incorporating and deincorporating lithium; a dopant including boron and a first metal element, wherein the dopant is in the core active material; and a nanostructure disposed on a surface of the core active material and including a metal borate compound including a second metal element, wherein the second metal element is the same as the first metal element.

公开(公告)号：US20180205084A1

公开(公告)日：2018-07-19

申请号：US15873287

申请日：2018-01-17

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

Inventor： Dongjin Ham ,  Jayhyok Song ,  Donghee Yeon ,  Jinhwan Park ,  Daechul Yoo

IPC: H01M4/58 ,  H01M10/054 ,  H01M10/052 ,  H01M4/04 ,  H01M4/86 ,  H01M4/88

CPC classification number: H01M4/5825 ,  H01M4/0459 ,  H01M4/366 ,  H01M4/525 ,  H01M4/62 ,  H01M4/8657 ,  H01M4/8882 ,  H01M10/052 ,  H01M10/0525 ,  H01M10/054

Abstract: An electrode active material includes: a core active material having a layered structure and capable of reversibly incorporating and deincorporating lithium; a dopant including boron and a first metal element, wherein the dopant is in the core active material; and a nanostructure disposed on a surface of the core active material and including a metal borate compound including a second metal element, wherein the second metal element is the same as the first metal element.