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    Graphene oxide gel bonded graphene composite films and processes for producing same
    1.
    发明授权
    Graphene oxide gel bonded graphene composite films and processes for producing same 有权
    石墨烯氧化物凝胶石墨烯复合膜及其制造方法

    公开(公告)号：US09561955B2

    公开(公告)日：2017-02-07

    申请号：US13385813

    申请日：2012-03-08

    申请人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    发明人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    IPC分类号： B82Y30/00 ,  H01B1/04 ,  B82Y40/00

    CPC分类号： B82Y30/00 ,  B82Y40/00 ,  H01B1/04 ,  Y10T428/26 ,  Y10T428/268

    摘要： Disclosed is a graphene composite thin film composition composed of nano graphene platelets (NGPs) bonded by a graphene oxide binder, wherein the NGPs contain single-layer graphene or multi-layer graphene sheets having a thickness from 0.335 nm to 100 nm. The NGPs occupy a weight fraction of 1% to 99.9% of the total composite weight. The graphene oxide binder, having an oxygen content of 1-40% (preferably

    摘要翻译： 公开了由石墨烯氧化物粘合剂结合的纳米石墨烯片（NGP）组成的石墨烯复合薄膜组合物，其中NGP包含单层石墨烯或厚度为0.335nm至100nm的多层石墨烯片。 NGP占总复合重量的1％至99.9％的重量分数。 基于总氧化石墨烯重量，氧含量为1-40％（优选<10％）的氧化石墨烯氧化物粘合剂由氧化石墨烯氧化物凝胶获得。 复合材料形成厚度不大于1mm，优选不大于100μm且不小于10μm的薄膜。 该组合物具有出色的导热性，导电性和机械强度的组合，这些强度与任何相当厚度范围的薄膜材料都无法比拟。

    Unitary graphene layer or graphene single crystal
    2.
    发明授权
    Unitary graphene layer or graphene single crystal 有权
    单一石墨烯层或石墨烯单晶

    公开(公告)号：US09533889B2

    公开(公告)日：2017-01-03

    申请号：US13694356

    申请日：2012-11-26

    申请人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    发明人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    IPC分类号： B32B9/00 ,  C01B31/04 ,  C30B5/00 ,  C30B29/02 ,  C30B29/68 ,  B82Y30/00 ,  B82Y40/00

    CPC分类号： C30B1/02 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/182 ,  C01B32/184 ,  C01B32/19 ,  C01B32/192 ,  C01B32/22 ,  C01B32/225 ,  C01B32/23 ,  C01P2006/10 ,  C01P2006/32 ,  C01P2006/40 ,  C01P2006/80 ,  C30B5/00 ,  C30B29/02 ,  C30B29/68 ,  Y10S977/734 ,  Y10S977/842 ,  Y10T428/30

    摘要： A unitary graphene layer or graphene single crystal containing closely packed and chemically bonded parallel graphene planes having an inter-graphene plane spacing of 0.335 to 0.40 nm and an oxygen content of 0.01% to 10% by weight, which unitary graphene layer or graphene single crystal is obtained from heat-treating a graphene oxide gel at a temperature higher than 100° C., wherein the average mis-orientation angle between two graphene planes is less than 10 degrees, more typically less than 5 degrees. The molecules in the graphene oxide gel, upon drying and heat-treating, are chemically interconnected and integrated into a unitary graphene entity containing no discrete graphite flake or graphene platelet. This graphene monolith exhibits a combination of exceptional thermal conductivity, electrical conductivity, mechanical strength, surface smoothness, surface hardness, and scratch resistance unmatched by any thin-film material of comparable thickness range.

    摘要翻译： 单层石墨烯层或石墨烯单晶，其含有紧密堆积和化学结合的平行石墨烯平面，其石墨烯平面间距为0.335至0.40nm，氧含量为0.01重量％至10重量％，该单一石墨烯层或石墨烯单晶 通过在高于100℃的温度下热处理石墨烯氧化物凝胶获得，其中两个石墨烯平面之间的平均错位取向角小于10度，更典型地小于5度。 石墨烯氧化物凝胶中的分子在干燥和热处理后被化学相互连接并整合成不含离散石墨薄片或石墨烯薄片的单一石墨烯实体。 该石墨烯整体结构具有卓越的导热性，导电性，机械强度，表面平滑度，表面硬度和耐刮擦性，可与任何相当厚度范围的薄膜材料匹配。

    Graphene oxide-coated graphitic foil and processes for producing same
    3.
    发明申请
    Graphene oxide-coated graphitic foil and processes for producing same 有权
    石墨烯氧化物被覆石墨箔及其制造方法

    公开(公告)号：US20140127488A1

    公开(公告)日：2014-05-08

    申请号：US13694161

    申请日：2012-11-02

    申请人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    发明人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    IPC分类号： H01B1/04

    CPC分类号： H01B1/04 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/192 ,  C01B32/198 ,  C01B32/20 ,  C01B32/23 ,  C01P2006/10 ,  C01P2006/40 ,  C01P2006/90 ,  Y10S977/734 ,  Y10S977/742 ,  Y10S977/89 ,  Y10T428/24975 ,  Y10T428/30

    摘要： A graphene oxide-coated graphitic foil, composed of a graphitic substrate or core layer having two opposed primary surfaces and at least a graphene oxide coating layer deposited on at least one of the two primary surfaces, wherein the graphitic substrate layer has a thickness preferably from 0.34 nm to 1 mm, and the graphene oxide coating layer has a thickness preferably from 0.5 nm to 1 mm and an oxygen content of 0.01%-40% by weight based on the total graphene oxide weight. The graphitic substrate layer may be preferably selected from flexible graphite foil, graphene film, graphene paper, graphite particle paper, carbon-carbon composite film, carbon nano-fiber paper, or carbon nano-tube paper. This graphene oxide-coated laminate exhibits a combination of exceptional thermal conductivity, electrical conductivity, mechanical strength, surface smoothness, surface hardness, and scratch resistance unmatched by any thin-film material of comparable thickness range.

    摘要翻译： 一种石墨烯氧化物涂覆石墨箔，由石墨基底或具有两个相对的主表面的核心层和至少沉积在两个主表面中的至少一个上的氧化石墨烯涂层组成，其中石墨基底层的厚度优选为 0.34nm至1mm，并且氧化石墨烯氧化物涂层的厚度优选为0.5nm至1mm，氧含量为基于氧化石墨烯总重量的0.01％-40重量％。 石墨基材层可优选选自柔性石墨箔，石墨烯膜，石墨烯纸，石墨颗粒纸，碳 - 碳复合膜，碳纳米纤维纸或碳纳米管纸。 该氧化石墨烯氧化物涂层的层压材料显示了由具有相当厚度范围的任何薄膜材料而具有优异的导热性，导电性，机械强度，表面光滑度，表面硬度和耐划伤性的组合。

    Inorganic coating-protected unitary graphene material for concentrated photovoltaic applications
    6.
    发明申请
    Inorganic coating-protected unitary graphene material for concentrated photovoltaic applications 审中-公开
    用于集中光伏应用的无机涂层保护的单一石墨烯材料

    公开(公告)号：US20140209168A1

    公开(公告)日：2014-07-31

    申请号：US13815100

    申请日：2013-01-31

    申请人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang ,  Lin Yi-jun

    发明人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang ,  Lin Yi-jun

    IPC分类号： H01L31/052 ,  H01L31/0304

    摘要： This invention provides an inorganic coating-protected unitary graphene material article for concentrated photovoltaic cell heat dissipation. The article comprises at least a layer of unitary graphene material having two primary surfaces and an electrically non-conducting layer of inorganic coating deposited on at least one of the primary surfaces, wherein the unitary graphene material is obtained from heat-treating a graphene oxide gel at a heat treatment temperature higher than 100° C. and contains chemically bonded graphene molecules or chemically merged graphene planes having an inter-graphene spacing no greater than 0.40 nm, preferably less than 0.337 nm, and most preferably less than 0.3346 nm.

    摘要翻译： 本发明提供了一种用于集中光伏电池散热的无机涂层保护的单一石墨烯材料制品。 所述制品至少包括一层单层石墨烯材料，其具有两个主表面和沉积在至少一个主表面上的无导电层的无导电层，其中所述单一石墨烯材料通过热处理石墨烯氧化物凝胶 在高于100℃的热处理温度下，并且包含具有不大于0.40nm，优选小于0.337nm，最优选小于0.3346nm的石墨烯间距的化学键合的石墨烯分子或化学合并的石墨烯平面。

    Unitary graphene layer or graphene single crystal
    7.
    发明申请
    Unitary graphene layer or graphene single crystal 有权
    单一石墨烯层或石墨烯单晶

    公开(公告)号：US20140147648A1

    公开(公告)日：2014-05-29

    申请号：US13694356

    申请日：2012-11-26

    申请人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    发明人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    IPC分类号： C01B31/04 ,  C30B1/02

    CPC分类号： C30B1/02 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/182 ,  C01B32/184 ,  C01B32/19 ,  C01B32/192 ,  C01B32/22 ,  C01B32/225 ,  C01B32/23 ,  C01P2006/10 ,  C01P2006/32 ,  C01P2006/40 ,  C01P2006/80 ,  C30B5/00 ,  C30B29/02 ,  C30B29/68 ,  Y10S977/734 ,  Y10S977/842 ,  Y10T428/30

    摘要： A unitary graphene layer or graphene single crystal containing closely packed and chemically bonded parallel graphene planes having an inter-graphene plane spacing of 0.335 to 0.40 nm and an oxygen content of 0.01% to 10% by weight, which unitary graphene layer or graphene single crystal is obtained from heat-treating a graphene oxide gel at a temperature higher than 100° C., wherein the average mis-orientation angle between two graphene planes is less than 10 degrees, more typically less than 5 degrees. The molecules in the graphene oxide gel, upon drying and heat-treating, are chemically interconnected and integrated into a unitary graphene entity containing no discrete graphite flake or graphene platelet. This graphene monolith exhibits a combination of exceptional thermal conductivity, electrical conductivity, mechanical strength, surface smoothness, surface hardness, and scratch resistance unmatched by any thin-film material of comparable thickness range.

    摘要翻译： 单层石墨烯层或石墨烯单晶，其含有紧密堆积和化学结合的平行石墨烯平面，其石墨烯平面间距为0.335至0.40nm，氧含量为0.01重量％至10重量％，该单一石墨烯层或石墨烯单晶 通过在高于100℃的温度下热处理石墨烯氧化物凝胶获得，其中两个石墨烯平面之间的平均错位取向角小于10度，更典型地小于5度。 石墨烯氧化物凝胶中的分子在干燥和热处理后被化学相互连接并整合成不含离散石墨薄片或石墨烯薄片的单一石墨烯实体。 该石墨烯整体结构具有卓越的导热性，导电性，机械强度，表面平滑度，表面硬度和耐刮擦性，可与任何相当厚度范围的薄膜材料匹配。

    Thermal management system containing a graphene oxide-coated graphitic foil laminate for electronic device application
    8.
    发明申请
    Thermal management system containing a graphene oxide-coated graphitic foil laminate for electronic device application 审中-公开
    含有用于电子器件应用的氧化石墨烯氧化物石墨箔层压板的热管理系统

    公开(公告)号：US20140124176A1

    公开(公告)日：2014-05-08

    申请号：US13694162

    申请日：2012-11-02

    申请人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    发明人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang

    IPC分类号： F28F21/02

    CPC分类号： H01L23/373 ,  F28F3/00 ,  F28F21/02 ,  H01L2924/0002 ,  H01L2924/00

    摘要： A heat dissipation system, comprising: (a) an electronic device comprising a heat source, wherein the heat source transmits heat to a second component or an external surface of the device; (b) a heat-conducting layer being positioned such that one of its major surfaces is in operative contact with the heat source such that it is interposed between the heat source and the second component or the external surface. The heat-conducting layer comprises at least one graphene oxide-coated graphitic foil laminate which thermally shields the second component or the external surface from heat generated by the heat source, and wherein the laminate is composed of a graphitic substrate/core layer with at least one primary surface coated with a graphene oxide coating layer. This graphene oxide-coated laminate exhibits a combination of exceptional thermal conductivity, electrical conductivity, mechanical strength, surface hardness, and scratch resistance, making this the most effective heat dissipation system.

    摘要翻译： 一种散热系统，包括：（a）包括热源的电子设备，其中所述热源将热量传递到所述设备的第二部件或外表面; （b）导热层被定位成使得其主表面之一与热源可操作地接触，使得其被插入在热源和第二部件或外表面之间。 导热层包括至少一个氧化石墨烯氧化物涂覆的石墨箔层压体，其将第二组分或外表面与由热源产生的热进行屏蔽，并且其中该层压体由至少具有石墨基底/芯层 一个主表面涂覆有氧化石墨烯涂层。 该氧化石墨烯涂层层压板表现出卓越的导热性，导电性，机械强度，表面硬度和耐擦伤性的组合，使其成为最有效的散热系统。

    Unitary graphene material-based integrated finned heat sink
    9.
    发明申请
    Unitary graphene material-based integrated finned heat sink 有权
    单一石墨烯材料为主的集成散热片

    公开(公告)号：US20140190676A1

    公开(公告)日：2014-07-10

    申请号：US13694791

    申请日：2013-01-07

    申请人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang ,  Lin Yi-jun

    发明人： Aruna Zhamu ,  Mingchao Wang ,  Wei Xiong ,  Bor Z. Jang ,  Lin Yi-jun

    IPC分类号： F28F21/02 ,  C09K5/14

    CPC分类号： F28F21/02 ,  C09K5/14 ,  F28D2021/0029 ,  F28F21/00

    摘要： A unitary graphene-based integrated heat sink comprising a heat collection member (base) and at least one heat dissipation member (e.g. fins) integral to the baser, wherein the base is configured to be in thermal contact with a heat source, collects heat therefrom, and dissipates heat through the fins. The unitary graphene material is obtained from heat-treating a graphene oxide gel at a temperature higher than 100° C., 500° C., 1,250° C., or 2,000° C., and contains chemically bonded graphene molecules having inter-graphene distance of 0.3354-0.4 nm (preferably mm or cm), exhibiting a degree of graphitization preferably from 1% to 100% and a Mosaic spread value less than 0.7 (preferably no greater than 0.4). The finned heat sink may also be made from a filler-reinforced graphene matrix composite.

    摘要翻译： 一种单一的基于石墨烯的集成散热器，其包括集热部件（基座）和至少一个与所述基座一体的散热部件（例如散热片），其中所述基座构造成与热源热接触，从其收集热量 ，并通过散热片散热。 单一石墨烯材料通过在高于100℃，500℃，1250℃或2,000℃的温度下热处理石墨烯氧化物凝胶获得，并且包含化学键合的具有石墨烯烯的石墨烯分子 距离为0.3354-0.4nm（优选<0.337nm）。 单一石墨烯材料是石墨烯单晶，具有不完全晶界的多晶体或具有大晶粒尺寸（例如> mm或cm）的多晶体，其石墨化程度优选为1％至100％，并且 马赛克扩散值小于0.7（优选不大于0.4）。 带翅片的散热片也可以由填料增强的石墨烯基复合材料制成。

    INTEGRATED GRAPHENE FILM HEAT SPREADER FOR DISPLAY DEVICES
    10.
    发明申请
    INTEGRATED GRAPHENE FILM HEAT SPREADER FOR DISPLAY DEVICES 有权
    用于显示器件的集成式石墨片热交换器

    公开(公告)号：US20130329366A1

    公开(公告)日：2013-12-12

    申请号：US13507167

    申请日：2012-06-11

    申请人： Mingchao Wang ,  Wei Xiong ,  Aruna Zhamu ,  Bor Z. Jang

    发明人： Mingchao Wang ,  Wei Xiong ,  Aruna Zhamu ,  Bor Z. Jang

    IPC分类号： H05K7/20 ,  B82Y30/00

    CPC分类号： H05K7/20963 ,  B82Y30/00

    摘要： Disclosed is an integrated graphene film-enhanced display device, comprising: (a) a display device which comprises one or multiple heat sources and a back surface where a localized area is at a higher temperature than an adjacent area; and (b) a heat spreader which comprises at least one sheet of integrated graphene film having two major surfaces, wherein one of the major surfaces of the heat spreader is in thermal contact with one or multiple heat sources and further wherein the heat spreader itself reduces the temperature difference between locations on the display device. The integrated graphene film, either a graphene film obtained from a graphene oxide gel or a graphene composite film formed of graphene oxide gel-bonded nano graphene platelets (NGPs), exhibits highest thermal conductivity and highest effectiveness in reducing hot spots in various kinds of display devices.

    摘要翻译： 公开了一种集成石墨烯膜增强显示装置，包括：（a）显示装置，其包括一个或多个热源和局部区域处于比相邻区域更高的温度的后表面; 和（b）散热器，其包括具有两个主表面的至少一片整体式石墨烯薄片，其中所述散热器的主表面之一与一个或多个热源热接触，并且其中所述散热器本身减少 显示设备上的位置之间的温度差。 由石墨烯氧化物凝胶获得的石墨烯膜或由石墨烯氧化物凝胶纳米石墨烯片（NGP）形成的石墨烯复合膜的集成石墨烯膜在降低各种显示器中的热点方面表现出最高的导热性和最高效果 设备。