公开(公告)号：US20210221687A1

公开(公告)日：2021-07-22

申请号：US17051615

申请日：2019-04-05

Applicant: ArcelorMittal

Inventor： Thi Tan VU

IPC: C01B32/198 ,  C01B32/23 ,  C01B32/19 ,  B01D21/26

Abstract: A method for the manufacture of graphene oxide from Kish graphite including the pretreatment of kish graphite and the oxidation of pre-treated kish graphite into graphene oxide, the graphene oxide obtained with at least 45% by weight of oxygen functional groups and the use of the graphene oxide.

公开(公告)号：US20210179434A1

公开(公告)日：2021-06-17

申请号：US16499407

申请日：2018-03-26

Applicant: ARCELORMITTAL

Inventor： Thi Tan VU ,  Maria CABANAS CORRALES ,  Abel ALVAREZ-ALVAREZ

IPC: C01B32/198 ,  C01B32/19 ,  C01B32/194 ,  C01B32/23 ,  C09K5/10

Abstract: The present invention provides a method for the manufacture of reduced graphene oxide from Kish graphite.

公开(公告)号：US20200340075A1

公开(公告)日：2020-10-29

申请号：US16764920

申请日：2018-12-11

Applicant: ArcelorMittal

Inventor： Thi Tan VU ,  Marcos PEREZ RODRIGUEZ ,  Carlos LALIENA IRANZO ,  David NORIEGA PEREZ

IPC: C21D9/46 ,  B05D7/14 ,  C21D8/02 ,  C21D6/00 ,  C21D1/70 ,  C22C38/50 ,  C22C38/46 ,  C22C38/44 ,  C22C38/42 ,  C22C38/04 ,  C22C38/02

Abstract: A coated steel substrate including a coating comprising nanographite having a lateral size between 1 and 60 μm and a binder, wherein the steel substrate has the following compositions in weight percent: 0.31≤C≤1.2%, 0.1≤Si≤1.7%, 0.15≤Mn≤1.1%, P≤0.01%, S≤0.1%, Cr≤1.0%, Ni≤1.0%, Mo≤0.1%, and on a purely optional basis, one or more elements such as Nb≤0.05%, B≤0.003%, Ti≤0.06%, Cu≤0.1%, Co≤0.1%, N≤0.01%, V≤0.05%, the remainder of the composition being made of iron and inevitable impurities resulting from the elaboration and a method for the manufacture of the coated steel substrate.