公开(公告)号：US20180138502A1

公开(公告)日：2018-05-17

申请号：US15486201

申请日：2017-04-12

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Si Hyoung OH ,  Byung Won CHO ,  Won Young CHANG ,  Jung Hoon HA ,  Boeun LEE ,  Hyo Ree SEO

IPC: H01M4/36 ,  H01M10/054 ,  H01M4/58 ,  H01M4/62 ,  H01M4/38 ,  H01M10/0569 ,  H01M10/0568

CPC classification number: H01M4/364 ,  H01M4/13 ,  H01M4/381 ,  H01M4/5815 ,  H01M4/623 ,  H01M4/625 ,  H01M10/054 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2004/028

Abstract: Provided is a cathode material for a rechargeable magnesium battery, represented by the chemical formula of Ag2SxSe1-x (0≤x≤1), a highly stable cathode material and a rechargeable magnesium battery including the same. The cathode material for a rechargeable magnesium battery has a higher discharge capacity and higher discharge voltage as compared to a typical commercially available cathode material, Chevrel phase, and shows excellent stability in an electrolyte for a rechargeable magnesium battery including chloride ions. In addition, after evaluating the cycle life of the cathode material, the cathode material shows an excellent discharge capacity per unit weight after 500 charge/discharge cycles, and thus is useful for a cathode material for a rechargeable magnesium battery.