公开(公告)号：US20190319265A1

公开(公告)日：2019-10-17

申请号：US16268891

申请日：2019-02-06

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyung Yoon CHUNG ,  Hun-Gi JUNG ,  Ji-Young KIM ,  Ghulam ALI ,  Mobinul ISLAM ,  Sang Ok KIM ,  Hyungseok KIM

IPC: H01M4/525 ,  H01M10/054 ,  H01M4/131 ,  H01M4/1391 ,  C01G51/04

Abstract: The present disclosure relates to an anode active material for a sodium ion secondary battery, a method for preparing the same, and a sodium ion secondary battery including the same. More particularly, the anode active material for a sodium ion secondary battery includes a cobalt tin spinel oxide obtained by a simple precipitation process, and can be applied to a sodium ion secondary battery having high capacity characteristics.

公开(公告)号：US20180034044A1

公开(公告)日：2018-02-01

申请号：US15396752

申请日：2017-01-02

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Kyung Yoon CHUNG ,  Ji-Hoon LEE ,  Ghulam ALI ,  Hun-Gi JUNG ,  Wonchang CHOI ,  Won Young CHANG ,  Si Hyoung OH ,  Byung Won CHO

IPC: H01M4/36 ,  H01M4/587 ,  H01M10/054 ,  H01M4/58

CPC classification number: H01M4/364 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/387 ,  H01M4/388 ,  H01M4/582 ,  H01M4/587 ,  H01M4/625 ,  H01M10/054 ,  H01M2004/021 ,  H01M2004/027

Abstract: Disclosed is an anode material for a sodium secondary battery. The anode material includes a tin fluoride-carbon composite composed of a tin fluoride and a carbonaceous material. The anode material can be used to improve the charge/discharge capacity, charge/discharge efficiency, and electrochemical activity of a sodium secondary battery. Also provided are a method for preparing the anode material and a sodium secondary battery including the anode material.