公开(公告)号：US20220093926A1

公开(公告)日：2022-03-24

申请号：US17424982

申请日：2020-01-21

Applicant: SHELL OIL COMPANY

Inventor： Guy Lode Magda Maria VERBIST ,  Christina Georgieva CHRISTOVA-ZDRAVKOVA ,  Alexey DEYKO ,  Erik Maria KELDER ,  Indranil RUDRA

IPC: H01M4/60 ,  H01M4/46 ,  H01M4/66 ,  H01M10/054

Abstract: The present invention relates to an electric energy storage device, in particular a battery, at least comprising: —an anode comprising a divalent metal selected from magnesium, calcium, beryllium and zinc or a combination thereof or an alloy comprising at least one of these metals; —a cathode comprising elemental sulphur, or a sulphur-containing organosilane compound, or a mixture of sulphur-containing organosilane compounds, or a mixture of sulphur and sulphur-containing organosilane compounds grafted on the surface of the cathode; and—an electrolyte placed between the anode and the cathode; wherein the cathode comprises a current collector surface that has been at least partly modified by grafting the sulphur-containing organosilane compound or a mixture of sulphur-containing organosilane compounds thereon.

公开(公告)号：US20210135232A1

公开(公告)日：2021-05-06

申请号：US16633425

申请日：2018-07-23

Applicant: SHELL OIL COMPANY

Inventor： Guy Lode Magda Maria VERBIST ,  Christina Georgieva CHRISTOVA-ZDRAVKOVA ,  Alexey DEYKO ,  Joice Sandra KLITZKE ,  Indranil RUDRA

IPC: H01M4/66 ,  H01M10/054 ,  H01M4/04 ,  H01M10/052

Abstract: The present invention provides an electric energy storage device, in particular a battery, at least comprising:—an anode comprising an alkali metal selected from lithium and sodium or a combination thereof;—a cathode comprising a sulphur-containing organosilane compound or a mixture of sulphur-containing organosilane compounds; and—an electrolyte placed between the anode and the cathode; wherein the cathode comprises a current collector surface that has been at least partly modified by grafting the sulphur-containing organosilane compound or a mixture of sulphur-containing organosilane compounds thereon.