公开(公告)号：US12123097B2

公开(公告)日：2024-10-22

申请号：US17419522

申请日：2020-01-03

Applicant: Northwestern University

Inventor： Jiaxing Huang ,  Chenlong Cui ,  Alane Tarianna O. Lim

IPC: C23C26/00 ,  C01B32/184

CPC classification number: C23C26/00 ,  C01B32/184 ,  C01P2004/30

Abstract: Self-healing coating compositions are provided. In embodiments, such a composition comprises a liquid medium and a network of hollow capsules extending through the liquid medium in three dimensions, the network comprising a plurality of chains formed from the hollow capsules, aggregates of the hollow capsules, or both, wherein exterior surfaces of the hollow capsules of the plurality of chains define a plurality of channels filled with the liquid medium, and wherein the coating composition has a room temperature viscosity greater than that of the liquid medium. Coated surfaces formed from the compositions and methods of protecting surfaces using the compositions are also provided.

公开(公告)号：US12122677B2

公开(公告)日：2024-10-22

申请号：US16970369

申请日：2019-02-15

Applicant: AHLSTROM OYJ

Inventor： Göran Bolin ,  Erkki Laiti ,  Eric Rousset

IPC: C01B32/184 ,  C01B32/198 ,  D21H13/50 ,  D21H19/12 ,  D21H19/38 ,  B82Y30/00 ,  B82Y40/00

CPC classification number: C01B32/184 ,  C01B32/198 ,  D21H13/50 ,  D21H19/12 ,  D21H19/385 ,  B82Y30/00 ,  B82Y40/00

Abstract: There is provided a method of manufacturing a graphene/graphene oxide layer comprising the steps of: providing a suspension of graphene/graphene oxide in a suspension liquid, applying the suspension on a support, heating the suspension and the support to evaporate liquid to form a layer of graphene/graphene oxide on the support, subjecting the graphene/graphene oxide layer and the support to pressure, and subjecting the graphene/graphene oxide layer to annealing process.

公开(公告)号：US12116279B2

公开(公告)日：2024-10-15

申请号：US17723595

申请日：2022-04-19

Applicant: NORTHWESTERN UNIVERSITY

Inventor： Mark C. Hersam ,  Qiucheng Li ,  Xiaolong Liu ,  Eden B Aklile

IPC: C01B32/182 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/184 ,  C01B35/02 ,  H01L21/02 ,  H01L21/285

CPC classification number: C01B32/182 ,  C01B35/023 ,  H01L21/02425 ,  H01L21/02491 ,  H01L21/02499 ,  H01L21/02516 ,  H01L21/02527 ,  H01L21/02603 ,  H01L21/02617 ,  H01L21/28506 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/184 ,  C01B2204/06 ,  C01B2204/20

Abstract: This invention in one aspect relates to a method of synthesizing a self-assembled mixed-dimensional heterostructure including 2D metallic borophene and 1D semiconducting armchair-oriented graphene nanoribbons (aGNRs). The method includes depositing boron on a substrate to grow borophene thereon at a substrate temperature in an ultrahigh vacuum (UHV) chamber; sequentially depositing 4,4″-dibromo-p-terphenyl on the borophene grown substrate at room temperature in the UHV chamber to form a composite structure; and controlling multi-step on-surface coupling reactions of the composite structure to self-assemble a borophene/graphene nanoribbon mixed-dimensional heterostructure. The borophene/aGNR lateral heterointerfaces are structurally and electronically abrupt, thus demonstrating atomically well-defined metal-semiconductor heterojunctions.

公开(公告)号：US12110230B2

公开(公告)日：2024-10-08

申请号：US18430993

申请日：2024-02-02

Applicant: NORTH UNIVERSITY OF CHINA

Inventor： Yaqing Liu ,  Yanan Liu ,  Chaoyang Wu ,  Guizhe Zhao

IPC: C01B32/198 ,  C01B32/184

CPC classification number: C01B32/198 ,  C01B32/184 ,  C01P2002/01 ,  C01P2002/08 ,  C01P2002/72 ,  C01P2004/04 ,  C01P2006/40 ,  C01P2006/42

Abstract: An efficient microwave-assisted preparation method with one-step simultaneous reduction/embedding of a metal monatomic-doped reduced graphene oxide dielectric material. A metal salt aqueous solution is added to a graphene oxide aqueous dispersion to obtain a mixed dispersion. The mixed dispersion is mechanically stirred, such that the metal salt fully interacts with the graphene oxide, and the metal ions are uniformly loaded on a surface of the graphene oxide sheets through the interaction between metal ions and the oxygen-containing functional groups of the graphene oxide. The mixed dispersion is freeze-dried to obtain a metal salt/graphene oxide complex, which is subjected to a microwave treatment in the presence of an initiator in a microwave oven to allow reduction to obtain the metal monatomic-doped reduced graphene oxide dielectric material. An application of the metal monatomic-doped reduced graphene oxide dielectric material is also provided.

公开(公告)号：US20240332554A1

公开(公告)日：2024-10-03

申请号：US18615024

申请日：2024-03-25

Applicant: Nobuyuki NISHI ,  TOYOTA BOSHOKU KABUSHIKI KAISHA ,  AICHI UNIVERSITY OF EDUCATION

Inventor： Junko OHIRA ,  Tomotaka SAITO ,  Hiroshi YANO ,  Kazuyuki HINO ,  Nobuyuki NISHI

IPC: H01M4/92 ,  C01B32/184 ,  H01M8/10

CPC classification number: H01M4/926 ,  C01B32/184 ,  C01B2204/04 ,  C01B2204/32 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2006/12 ,  C01P2006/14 ,  C01P2006/16 ,  H01M2008/1095

Abstract: A carbon material for catalyst support includes elongated carbon mesoporous structures containing graphene. The carbon mesoporous structures each have a major axis in a range of 50 nm to 200 nm and a minor axis in a range of 30 nm to 100 nm. Pore diameters and a cumulative pore volume determined through analysis of a nitrogen adsorption isotherm using a Dollimore-Heal method are respectively in a range of 1 nm to 20 nm and in a range of 1.5 cc/g to 2.5 cc/g.

公开(公告)号：US20240309587A1

公开(公告)日：2024-09-19

申请号：US18435767

申请日：2024-02-07

Applicant: The Regents of the University of California

Inventor： You-Lo Hsieh ,  Xuezhu Xu

IPC: D21H11/18 ,  C01B32/184 ,  C01B32/21 ,  D21F13/00 ,  D21H17/67 ,  D21H27/00

CPC classification number: D21H11/18 ,  C01B32/184 ,  C01B32/21 ,  D21F13/00 ,  D21H17/67 ,  D21H27/00

Abstract: The present invention describes a method for preparing graphene by mixing graphite and carbon nanofibrils. The prepared graphene can be used to form nenopeper. The present invention also provides a method of preparing nanopaper by suspending cellulose nanofibrils and graphene, followed by vacuum filtering of the suspension.

公开(公告)号：US20240269689A1

公开(公告)日：2024-08-15

申请号：US18602454

申请日：2024-03-12

Applicant: Energy and Environmental Research Center Foundation

Inventor： Alexander Azenkeng ,  Jason D. Laumb

IPC: B03B9/00 ,  B03B7/00 ,  B82Y20/00 ,  B82Y40/00 ,  C01B32/184 ,  C01B32/194 ,  C09K11/65

CPC classification number: B03B9/005 ,  B03B7/00 ,  C01B32/184 ,  C01B32/194 ,  C09K11/65 ,  B82Y20/00 ,  B82Y40/00 ,  C01B2204/02 ,  C01B2204/22 ,  C01P2004/64 ,  C01P2006/40 ,  C01P2006/60

Abstract: Upgraded coal, method of forming the same, and graphene films and quantum dots made therefrom. A method of upgrading coal includes cleaning coal to form a cleaned coal residue. The method also includes (A) reacting the cleaned coal residue with an oxidizable inorganic metallic agent, or (B) reacting the cleaned coal residue with a reducing agent, or a combination thereof, to form the upgraded coal.

公开(公告)号：US20240246317A1

公开(公告)日：2024-07-25

申请号：US18585500

申请日：2024-02-23

Applicant: TEXAS INSTRUMENTS INCORPORATED

Inventor： Luigi COLOMBO ,  Nazila DADVAND ,  Benjamin Stassen COOK ,  Archana VENUGOPAL

IPC: B32B9/00 ,  B32B9/04 ,  B82Y30/00 ,  C01B32/184 ,  C01B32/19 ,  C23C18/32 ,  C23C18/38 ,  H01M50/00

CPC classification number: B32B9/007 ,  B32B9/041 ,  B32B9/045 ,  C01B32/184 ,  C01B32/19 ,  C23C18/32 ,  C23C18/38 ,  H01M50/00 ,  B32B2305/38 ,  B32B2457/14 ,  B82Y30/00 ,  C01P2002/20 ,  Y10T428/30

Abstract: A microstructure comprises a plurality of interconnected units wherein the units are formed of graphene tubes. The graphene tubes may be formed by photo-initiating the polymerization of a monomer in a pattern of interconnected units to form a polymer microlattice, removing unpolymerized monomer, coating the polymer microlattice with a metal, removing the polymer microlattice to leave a metal microlattice, depositing graphitic carbon on the metal microlattice, converting the graphitic carbon to graphene, and removing the metal microlattice.

公开(公告)号：US20240199428A1

公开(公告)日：2024-06-20

申请号：US18587545

申请日：2024-02-26

Applicant: Applied Physics, Inc.

Inventor： Gianni Martire

IPC: C01B32/184 ,  B32B18/00

CPC classification number: C01B32/184 ,  B32B18/00 ,  C01B2204/04 ,  C01B2204/22 ,  C01B2204/24 ,  C01P2002/77

Abstract: A graphene structure can include multiple graphene layers stacked into a perturbed symmetry. A first graphene layer can be situated a first rotational angle with respect to a rotational axis extending perpendicularly through the first graphene layer, and a second graphene layer can be situated atop the first graphene layer at a second rotational angle with respect to the rotational axis. A third graphene layer can be situated atop the second graphene layer at a third rotational angle with respect to the rotational axis, and the third rotational angle can be different than the second rotational angle. Additional graphene layers can be successively stacked onto the graphene structure, with each layer being set at a different rotational angle than the previous layer. Six total graphene layers can be stacked. The relationship of the ratios between all rotational angles can forms an arithmetic, geometric, or Fibonacci sequence, or another pattern.

公开(公告)号：US12000055B2

公开(公告)日：2024-06-04

申请号：US18021906

申请日：2021-07-29

Applicant: PETROLIAM NASIONAL BERHAD (PETRONAS)

Inventor： Norariza Ahmad ,  Zulkifli Ahamid ,  Muzdalifah Zakaria ,  Mark Bissett ,  Ian Kinloch

IPC: C25B1/135 ,  C01B32/184 ,  C25B1/50 ,  C25B11/043 ,  C25B11/061

CPC classification number: C25B1/135 ,  C01B32/184 ,  C25B1/50 ,  C25B11/043 ,  C25B11/061

Abstract: Disclosed herein is a method of converting a carbon material to graphene, the method comprising the step of subjecting an amorphous carbon material pellet submerged in a molten inorganic material that comprises an alkaline earth halide to an electrochemical reaction in an inert atmosphere for a period of time, wherein the amorphous carbon material pellet is converted to a graphene pellet comprising graphene flakes by said reaction.