公开(公告)号：US12027707B2

公开(公告)日：2024-07-02

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: H01M4/00 ,  H01M4/46 ,  H01M4/60 ,  H01M4/66 ,  H01M10/054 ,  H01M4/02 ,  H01M4/62

CPC classification number: H01M4/60 ,  H01M4/466 ,  H01M4/661 ,  H01M10/054 ,  H01M2004/027 ,  H01M2004/028 ,  H01M4/625 ,  H01M4/626

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：US11329291B2

公开(公告)日：2022-05-10

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: H01M4/00 ,  H01M4/66 ,  H01M4/04 ,  H01M10/052 ,  H01M10/054 ,  C07F7/08

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.