公开(公告)号：US20240242900A1

公开(公告)日：2024-07-18

申请号：US18559451

申请日：2022-04-07

Applicant: ABB Schweiz AG ,  Nanesa S.r.l.

Inventor： Anna Andersson ,  Su Zhao ,  Francesco Bertocchi ,  Matteo Mulattieri

IPC: H01H1/021 ,  C25D3/38 ,  H01H11/04 ,  H01R13/03 ,  H01R43/16

CPC classification number: H01H1/021 ,  C25D3/38 ,  H01R13/03 ,  H01H11/04 ,  H01R43/16

Abstract: An electrical contact including a substrate of an electrically conductive material, and a graphene-copper composite coating on the substrate. The graphene content in the coating is within the range of 0.1 to 2 wt %.

公开(公告)号：US20200152399A1

公开(公告)日：2020-05-14

申请号：US16604453

申请日：2018-04-10

Applicant: ABB Schweiz AG

Inventor： Anna Andersson ,  Mamoun Taher ,  Ulf Jansson ,  Martin Wåhlander ,  Leili Tahershamsi ,  Helene Grennberg

IPC: H01H1/0237 ,  B22F3/16 ,  B22F1/00 ,  C22C26/00 ,  H01H1/027

Abstract: A metal-graphene composite product in the form of a sliding contact of an electric power application, in which graphene flakes are dispersed in a matrix of the metal, as well as to a method for obtaining such a composite product.

公开(公告)号：US20240242901A1

公开(公告)日：2024-07-18

申请号：US18559380

申请日：2022-04-07

Applicant: ABB Schweiz AG

Inventor： Anna Andersson ,  Su Zhao

IPC: H01H1/027 ,  H01H1/023 ,  H01H11/06 ,  H01H1/42

CPC classification number: H01H1/027 ,  H01H1/023 ,  H01H11/06 ,  H01H1/42 ,  H01H2229/014

Abstract: An electrical contact having a substrate of an electrically conductive non-silver material, and an electrically conductive metal-graphene composite coating directly on a surface of the substrate.