公开(公告)号：US20190301814A1

公开(公告)日：2019-10-03

申请号：US15944162

申请日：2018-04-03

申请人： Nanotek Instruments, Inc.

发明人： Yi-jun Lin ,  Aruna Zhamu ,  Bor Z. Jang

IPC分类号： F28D20/02 ,  C09K5/14 ,  H01M4/80 ,  H01M4/66 ,  H01M8/0243 ,  H01M8/0234 ,  H01M8/0232 ,  C01B32/192 ,  C01B32/19 ,  C01B32/194

摘要： A metal-bonded graphene foam product, comprising: (A) a sheet or roll of solid graphene foam, having a sheet plane and a sheet thickness direction, composed of multiple pores (cells) and pore walls, wherein said pore walls contain a pristine graphene material having less than 0.01% by weight of non-carbon elements or a non-pristine graphene material having 0.01% to 20% by weight of non-carbon elements, wherein said non-pristine graphene is selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, boron-doped graphene, nitrogen-doped graphene, chemically functionalized graphene, or a combination thereof; and (B) a metal that fills in the is bonded to graphene sheets, wherein the metal-bonded graphene foam product has a thickness-direction thermal conductivity from 10 W/mK to 800 W/mK or a thickness-direction electrical conductivity from 40 S/cm to 3,200 S/cm.

公开(公告)号：US20190292675A1

公开(公告)日：2019-09-26

申请号：US15926458

申请日：2018-03-20

申请人： Nanotek Instruments, Inc.

发明人： Yi-jun Lin ,  Shaio-yen Lee ,  Yao-de Jhong ,  Aruna Zhamu ,  Bor Z. Jang

IPC分类号： C25D5/54 ,  B32B27/12 ,  B32B9/00 ,  B32B15/08 ,  B32B15/14 ,  C08J7/04 ,  C08K3/04 ,  C08K3/08

摘要： Provided is a process for producing a surface-metalized polymer film, comprising: (a) feeding a continuous polymer film from a feeder into a graphene deposition chamber which accommodates a graphene dispersion comprising multiple graphene sheets and an optional conducive filler dispersed in a first liquid medium and an optional adhesive resin dissolved in this first liquid medium; (b) operating the graphene deposition chamber to deposit the graphene sheets and optional conductive filler to at least a primary surface of the polymer film for forming a graphene-coated polymer film; (c) moving the graphene-coated film into a metallization chamber which accommodates a plating solution for plating a layer of a desired metal onto the graphene-coated polymer film to obtain a surface-metalized polymer film; and (d) operating a winding roller to collect the surface-metalized polymer film. This film exhibits a high scratch resistance, strength, hardness, electrical conductivity, thermal conductivity, light reflectivity, gloss, etc.

公开(公告)号：US20190292671A1

公开(公告)日：2019-09-26

申请号：US15935624

申请日：2018-03-26

申请人： Nanotek Instruments, Inc.

发明人： Aruna Zhamu ,  Yi-jun Lin ,  Bor Z. Jang

IPC分类号： C25D1/00 ,  C22C26/00 ,  C22C19/03 ,  C22C9/00 ,  C23C18/16 ,  C23C18/32 ,  C25D3/12 ,  B82B3/00 ,  H05K7/20 ,  F28F21/02 ,  F28F21/08

摘要： Provided is a metal matrix nanocomposite comprising: (a) a metal or metal alloy as a matrix material; and (b) multiple graphene sheets that are dispersed in said matrix material, wherein said multiple graphene sheets are substantially aligned to be parallel to one another and are in an amount from 0.1% to 95% by volume based on the total nanocomposite volume; wherein the multiple graphene sheets contain single-layer or few-layer graphene sheets selected from pristine graphene, graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof and wherein the chemically functionalized graphene is not graphene oxide. The metal matrix exhibits a combination of exceptional tensile strength, modulus, thermal conductivity, and/or electrical conductivity.

公开(公告)号：US20190283377A1

公开(公告)日：2019-09-19

申请号：US15924957

申请日：2018-03-19

申请人： Nanotek Instruments, Inc.

发明人： Yi-jun Lin ,  Shaio-yen Lee ,  Yao-de Jhong ,  Aruna Zhamu ,  Bor Z. Jang

IPC分类号： B32B27/12 ,  B32B9/00 ,  B32B15/08 ,  B32B15/14 ,  C08J7/04 ,  C08K3/04 ,  C08K3/08

摘要： Provided is a surface-metalized polymer article comprising a polymer component having a surface, a first layer of combined multiple graphene sheets and a conductive filler (e.g. metal nanowires or carbon nanofibers) coated on the polymer component surface, and a second layer of a plated metal deposited on the first layer, wherein the multiple graphene sheets contain single-layer or few-layer graphene, and wherein the multiple graphene sheets and conductive filler are bonded to the polymer component surface with or without an adhesive resin.

公开(公告)号：US20190002278A1

公开(公告)日：2019-01-03

申请号：US16108233

申请日：2018-08-22

申请人： Nanotek Instruments, Inc.

发明人： Yi-jun Lin ,  Aruna Zhamu ,  Bor Z. Jang

IPC分类号： B82Y30/00 ,  H01L23/373

摘要： A process for producing a nanographene platelet-reinforced composite material having nanographene platelets or sheets (NGPs) as a first reinforcement phase dispersed in a matrix material and the first reinforcement phase occupies a weight fraction of 1-90% based on the total composite weight. Preferably, these NGPs, alone or in combination with a second reinforcement phase, are bonded by an adhesive and constitute a continuous 3-D network of electron- and phonon-conducting paths.

公开(公告)号：US10102973B2

公开(公告)日：2018-10-16

申请号：US14121487

申请日：2014-09-12

申请人： Nanotek Instruments, Inc.

发明人： Yi-jun Lin ,  Bor Z Jang ,  Shaio-Yen Lee ,  Aruna Zhamu

IPC分类号： H01G4/005 ,  H01G4/228 ,  H01G4/30 ,  H01G4/06 ,  H01G4/008 ,  H01G4/12 ,  C01B31/04 ,  B32B18/00 ,  C04B35/468 ,  C04B35/626 ,  C04B35/634 ,  C04B35/638

摘要： A ceramic capacitor comprising at least a dielectric ceramic layer and at least a graphene electrode layer deposited on the ceramic layer, wherein the graphene electrode layer has a thickness no less than 2 nm and consists of a graphene material or a graphene composite material containing at least 0.1% by weight of a graphene material dispersed in a matrix material or bonded by a binder material, wherein the graphene material is selected from (a) a plurality of single-layer or multi-layer pristine graphene sheets having less than 0.01% by weight of non-carbon elements, or (b) one or a plurality of a non-pristine graphene material having at least 0.01% by weight of non-carbon elements, wherein the non-pristine graphene is selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof.

公开(公告)号：US10005099B2

公开(公告)日：2018-06-26

申请号：US14756006

申请日：2015-07-20

申请人： Nanotek Instruments, Inc.

发明人： Yi-jun Lin ,  Shaio-yen Lee ,  Aruna Zhamu ,  Bor Z. Jang

IPC分类号： B05D1/28 ,  B05D1/40 ,  B05D3/00 ,  B05D3/12 ,  C01B32/20 ,  C01B32/23 ,  C01B32/184 ,  B82Y30/00 ,  B82Y40/00

CPC分类号： B05D1/28 ,  B05D1/40 ,  B05D3/007 ,  B05D3/12 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/184 ,  C01B32/20 ,  C01B32/23

摘要： A process for producing a highly oriented graphene oxide (GO) film, comprising: (a) preparing either a GO dispersion having GO sheets dispersed in a fluid medium or a GO gel having GO molecules dissolved in a fluid medium; (b) dispensing the GO dispersion or gel onto a surface of an application roller rotating in a first direction to form an applicator layer of GO and transferring the applicator layer to a surface of a supporting film driven in a second direction opposite to the first direction to form a wet layer of GO on the supporting film; and (c) removing said fluid medium from the wet layer of GO to form a dried layer of GO having an inter-planar spacing d002 of 0.4 nm to 1.2 nm and an oxygen content no less than 5% by weight. This dried GO layer may be heat-treated to produce a graphitic film.

公开(公告)号：US11984580B2

公开(公告)日：2024-05-14

申请号：US16403820

申请日：2019-05-06

申请人： Nanotek Instruments, Inc.

发明人： Yi-jun Lin ,  Yen-Po Lin ,  Sheng-Yi Lu ,  Bor Z. Jang

IPC分类号： H01M4/134 ,  H01M4/02 ,  H01M4/133 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0565

CPC分类号： H01M4/134 ,  H01M4/133 ,  H01M4/366 ,  H01M4/621 ,  H01M10/0525 ,  H01M10/0565 ,  H01M2004/021 ,  H01M2004/027

摘要： Provided is an anode particulate for a lithium battery, the particulate comprising a polymer foam material having pores and a single or a plurality of primary particles of an anode active material embedded in or in contact with said polymer foam material, wherein said primary particles of anode active material have a total solid volume Va, and said pores have a total pore volume Vp, and the volume ratio Vp/Va is from 0.1/1.0 to 10/1.

公开(公告)号：US11027252B2

公开(公告)日：2021-06-08

申请号：US16654654

申请日：2019-10-16

申请人： Nanotek Instruments, Inc.

发明人： Yi-jun Lin ,  Hsuan-Wen Lee ,  Aruna Zhamu ,  Bor Z. Jang

IPC分类号： B01J8/00 ,  B01J8/08 ,  B01J8/10 ,  C01B32/192 ,  C01B32/198 ,  C01B32/22

摘要： Provided is a continuous reactor system for producing graphene or an inorganic 2-D compound, the reactor comprising: (a) a first body comprising an outer wall and a second body comprising an inner wall, wherein the inner wall defines a bore and the first body is configured within the bore and a motor is configured to rotate the first and/or second body; (b) a reaction chamber between the outer wall of the first body and the inner wall of the second body; (c) a first inlet and a second inlet disposed at first end of the reactor and in fluid communication with the reaction chamber; (d) a first outlet and a second outlet disposed downstream from the first inlet, the outlets being in fluid communication with the reaction chamber; and (e) a flow return conduit having two inlets/outlets in fluid communication with two ends of the reactor.

公开(公告)号：US20210079282A1

公开(公告)日：2021-03-18

申请号：US16574634

申请日：2019-09-18

申请人： Nanotek Instruments, Inc.

发明人： Yi-jun Lin ,  Bor Z. Jang

IPC分类号： C09K5/14 ,  C08J5/18 ,  C08J5/00 ,  H05K7/20 ,  F28F21/02 ,  F28F21/06

摘要： Provided is an elastic heat spreader film comprising: a) a graphitic film prepared from graphitization of a polymer film or pitch film, wherein the graphitic film has graphitic crystals parallel to one another and parallel to a film plane, having an inter-graphene spacing less than 0.34 nm, and wherein the graphitic film alone, after compression, has a thermal conductivity at least 600 W/mK, an electrical conductivity no less than 4,000 S/cm, and a physical density greater than 1.7 g/cm3; and b) an elastomer or rubber that permeates into the graphitic film from at least a surface of the film; wherein the elastomer or rubber is in an amount from 0.001% to 30% by weight based on the total heat spreader film weight. The elastic heat spreader film has a fully recoverable tensile elastic strain from 2% to 100% and an in-plane thermal conductivity from 100 W/mK to 1,750 W/mK.