公开(公告)号：US20170194105A1

公开(公告)日：2017-07-06

申请号：US14998412

申请日：2016-01-04

申请人： Aruna Zhamu ,  Bor Z. Jang

发明人： Aruna Zhamu ,  Bor Z. Jang

IPC分类号： H01G11/32 ,  H01G11/24 ,  H01G11/06 ,  H01G11/74 ,  H01G11/46 ,  H01G11/86 ,  H01G11/52 ,  H01G11/66

CPC分类号： H01G11/32 ,  H01G11/02 ,  H01G11/06 ,  H01G11/24 ,  H01G11/36 ,  H01G11/46 ,  H01G11/70 ,  H01G11/86 ,  Y02E60/13

摘要： Provided is a supercapacitor having an anode, a cathode, a porous separator/electrolyte, wherein at least one of electrodes contains an integral 3D graphene-carbon hybrid foam composed of multiple pores and pore walls, wherein the pore walls contain single-layer or few-layer graphene sheets chemically bonded by a carbon material having a carbon material-to-graphene weight ratio from 1/100 to 1/2, wherein the few-layer graphene sheets have 2-10 layers of stacked graphene planes having an inter-plane spacing d002 from 0.3354 nm to 0.40 nm and the graphene sheets contain a pristine graphene material having essentially zero % of non-carbon elements, or a non-pristine graphene material having 0.01% to 25% 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, doped graphene, chemically functionalized graphene, or a combination thereof.

公开(公告)号：US20170114263A1

公开(公告)日：2017-04-27

申请号：US14756852

申请日：2015-10-22

申请人： Aruna Zhamu ,  Bor Z. Jang

发明人： Aruna Zhamu ,  Bor Z. Jang

IPC分类号： C09K5/14 ,  B29B13/02 ,  B29D7/01 ,  H01B1/04

CPC分类号： C09K5/14 ,  B29B13/021 ,  B29D7/01 ,  H01B1/04

摘要： A process for producing a unitary graphene matrix composite, the process comprising: (a) preparing a graphene oxide gel having graphene oxide molecules dispersed in a fluid medium, wherein the graphene oxide gel is optically transparent or translucent; (b) mixing a carbon or graphite filler phase in said graphene oxide gel to form a slurry; (c) dispensing said slurry onto a surface of a supporting substrate or a cavity of a molding tool; (d) partially or completely removing the fluid medium from the slurry to form a composite precursor, and (e) heat-treating the composite precursor to form the unitary graphene composite at a temperature higher than 100° C. This composite exhibits a combination of exceptional thermal conductivity, electrical conductivity, mechanical strength, surface hardness, and scratch resistance.

公开(公告)号：US20170098856A1

公开(公告)日：2017-04-06

申请号：US14756698

申请日：2015-10-02

申请人： Aruna Zhamu ,  Bor Z. Jang

发明人： Aruna Zhamu ,  Bor Z. Jang

IPC分类号： H01M10/058 ,  H01M4/80 ,  H01M4/66 ,  H01M4/133 ,  H01M4/583 ,  H01M4/48 ,  H01M4/136 ,  H01M4/58 ,  H01M4/131 ,  H01M4/525 ,  H01M4/60 ,  H01M4/52 ,  H01M6/14 ,  H01M6/02 ,  H01M10/0525

CPC分类号： H01M10/058 ,  H01M4/13 ,  H01M4/131 ,  H01M4/133 ,  H01M4/136 ,  H01M4/386 ,  H01M4/483 ,  H01M4/502 ,  H01M4/523 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/583 ,  H01M4/587 ,  H01M4/60 ,  H01M4/606 ,  H01M4/663 ,  H01M4/808 ,  H01M6/02 ,  H01M6/14 ,  H01M10/0525 ,  H01M10/0585

摘要： A process for producing a lithium battery, comprising: (A) Preparing a plurality of conductive porous layers, wet anode layers, and wet cathode layers; (B) Stacking a desired number of porous layers and wet anode layers in an alternating manner to form an anode electrode having a thickness no less than 100 μm; (C) Placing a porous separator layer in contact with the anode electrode; (D) Stacking a desired number of porous layers wet cathode layers in an alternating manner to form a cathode electrode in contact with the porous separator, wherein the cathode electrode has a thickness no less than 100 μm; and (F) Assembling and sealing the anode electrode, separator, and cathode electrode in a housing to produce the lithium battery. The consolidated anode or cathode layer is preferably thicker than 300 more preferably thicker than 400 μm, and further more preferably greater than 500 μm.

公开(公告)号：US09601805B2

公开(公告)日：2017-03-21

申请号：US13987396

申请日：2013-07-22

申请人： Hui He ,  Bor Z Jang ,  Yanbo Wang ,  Aruna Zhamu

发明人： Hui He ,  Bor Z Jang ,  Yanbo Wang ,  Aruna Zhamu

IPC分类号： H01M2/16 ,  H01M10/056 ,  H01M10/0566 ,  H01M2/14 ,  H01M10/0569 ,  H01M10/0568

CPC分类号： H01M10/0566 ,  H01M2/145 ,  H01M2/162 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025 ,  H01M2300/0028

摘要： A process for producing a separator-electrolyte layer for use in a lithium battery, comprising: (a) providing a porous separator; (b) providing a quasi-solid electrolyte containing a lithium salt dissolved in a first liquid solvent up to a first concentration no less than 3 M; and (c) coating or impregnating the separator with the electrolyte to obtain the separator-electrolyte layer with a final concentration≧the first concentration so that the electrolyte exhibits a vapor pressure less than 0.01 kPa when measured at 20° C., a vapor pressure less than 60% of that of the first liquid solvent alone, a flash point at least 20 degrees Celsius higher than a flash point of the first liquid solvent alone, a flash point higher than 150° C., or no detectable flash point. A battery using such a separator-electrolyte is non-flammable and safe, has a long cycle life, high capacity, and high energy density.

公开(公告)号：US09564656B1

公开(公告)日：2017-02-07

申请号：US14756509

申请日：2015-09-14

申请人： Aruna Zhamu ,  Bor Z Jang

发明人： Aruna Zhamu ,  Bor Z Jang

IPC分类号： H01M10/054 ,  H01M10/04

CPC分类号： H01M10/054 ,  H01M4/366 ,  H01M4/505 ,  H01M4/5815 ,  H01M4/5825 ,  H01M4/5835 ,  H01M4/587 ,  H01M4/60 ,  H01M4/625 ,  H01M4/661 ,  H01M4/663 ,  H01M4/808 ,  H01M6/16 ,  H01M10/058

摘要： Provided is a process for producing an alkali metal battery, comprising: (A) Preparing an anode material suspension and a cathode active material suspension; (B) Assembling a porous cell framework composed of a first conductive foam structure, a second conductive foam structure, and a porous separator disposed between said first and said second conductive foam structure; and (C) Injecting the anode suspension into pores of the first conductive foam structure to form an anode and injecting cathode suspension into pores of the second conductive foam structure to form a cathode, wherein the anode active material has a material mass loading no less than 20 mg/cm2 or the cathode active material has a material mass loading no less than 15 mg/cm2 for an organic or polymer material or no less than 40 mg/cm2 for an inorganic material. The resulting batteries exhibit exceptional gravimetric and volumetric energy densities and long cycle life.

摘要翻译： 提供一种碱金属电池的制造方法，其特征在于，包括：（A）制备负极材料悬浮液和正极活性物质悬浮液; （B）组装由第一导电泡沫结构，第二导电泡沫结构和布置在所述第一和所述第二导电泡沫结构之间的多孔隔板组成的多孔电池框架; 和（C）将阳极悬浮液注入到第一导电泡沫结构的孔中以形成阳极并将阴极悬浮液注入到第二导电泡沫结构的孔中以形成阴极，其中阳极活性材料的材料质量载荷不小于 对于有机或聚合物材料，阴极活性材料的材料质量载荷不低于15mg / cm 2，或者对于无机材料，材料质量载荷不小于40mg / cm 2。 所得的电池表现出优异的重量和体积能量密度和较长的循环寿命。

公开(公告)号：US20170021387A1

公开(公告)日：2017-01-26

申请号：US14756006

申请日：2015-07-20

申请人： Yi-jun Lin ,  Shaio-yen Lee ,  Aruna Zhamu ,  Bor Z. Jang

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

IPC分类号： B05D1/28 ,  B05D3/00 ,  B05D3/12 ,  C01B31/04 ,  B05D1/40

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.

摘要翻译： 一种制备高取向氧化石墨（GO）膜的方法，包括：（a）制备具有分散在流体介质中的GO片的GO分散体或具有溶解在流体介质中的GO分子的GO凝胶; （b）将GO分散体或凝胶分配到沿第一方向旋转的施加辊的表面上，以形成GO的施用层，并将施加器层转移到沿与第一方向相反的第二方向驱动的支撑膜的表面 在支撑膜上形成GO的湿层; 和（c）从GO的湿层去除所述流体介质以形成具有0.4nm至1.2nm的平坦间距d002和氧含量不小于5％重量的GO的干燥层。 该干燥的GO层可以被热处理以产生石墨膜。

公开(公告)号：US09530531B2

公开(公告)日：2016-12-27

申请号：US13815317

申请日：2013-02-21

申请人： Yi-jun Lin ,  Aruna Zhamu ,  Bor Z. Jang

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

IPC分类号： B05D5/12 ,  H01B1/02 ,  H01B1/08 ,  H01B1/04 ,  B05D1/12 ,  C23C4/12 ,  C23C4/04 ,  B05D1/24 ,  H05K3/12

CPC分类号： H01B1/02 ,  B05D1/005 ,  B05D1/02 ,  B05D1/04 ,  B05D1/12 ,  B05D1/18 ,  B05D1/24 ,  B05D5/12 ,  C23C4/04 ,  C23C4/12 ,  H01B1/04 ,  H01B1/08 ,  H05K3/12

摘要： A process for producing a transparent conductive film, comprising (a) providing a graphene oxide gel; (b) dispersing metal nanowires in the graphene oxide gel to form a suspension; (c) dispensing and depositing the suspension onto a substrate; and (d) removing the liquid medium to form the film. The film is composed of metal nanowires and graphene oxide with a metal nanowire-to-graphene oxide weight ratio from 1/99 to 99/1, wherein the metal nanowires contain no surface-borne metal oxide or metal compound and the film exhibits an optical transparence no less than 80% and sheet resistance no higher than 300 ohm/square. This film can be used as a transparent conductive electrode in an electro-optic device, such as a photovoltaic or solar cell, light-emitting diode, photo-detector, touch screen, electro-wetting display, liquid crystal display, plasma display, LED display, a TV screen, a computer screen, or a mobile phone screen.

摘要翻译： 一种制造透明导电膜的方法，包括（a）提供石墨烯氧化物凝胶; （b）将金属纳米线分散在氧化石墨烯凝胶中以形成悬浮液; （c）将悬浮液分配并沉积到基底上; 和（d）除去液体介质以形成膜。 该膜由金属纳米线和氧化石墨烯组成，金属纳米线对石墨烯氧化物的重量比为1/99至99/1，其中金属纳米线不含表面金属氧化物或金属化合物，并且该膜表现出光学 透明度不低于80％，薄片电阻不高于300欧姆/平方。 该膜可以用作电光装置中的透明导电电极，例如光伏或太阳能电池，发光二极管，光电检测器，触摸屏，电润湿显示器，液晶显示器，等离子体显示器，LED 显示，电视屏幕，电脑屏幕或手机屏幕。

公开(公告)号：US20160358686A1

公开(公告)日：2016-12-08

申请号：US15170387

申请日：2016-06-01

申请人： Aruna Zhamu ,  Bor Z. Jang

发明人： Aruna Zhamu ,  Bor Z. Jang

IPC分类号： H01B1/04 ,  C01B31/04 ,  H05K9/00 ,  C09K5/14

CPC分类号： H01B1/04 ,  C01B32/182 ,  C01B32/20 ,  C09K5/14 ,  H05K9/0073 ,  Y10T428/30

摘要： A flexible graphene platelet-filled composite film comprising a carbon or graphitic matrix and 1% to 99% weight fraction of graphene platelets dispersed in the matrix, wherein the graphene platelets are aligned along planar directions of said film and are selected from pristine graphene, oxidized graphene, reduced graphene oxide, fluorinated graphene, hydrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof, and wherein the carbon or graphitic matrix is obtained by carbonizing a carbon precursor polymer at a carbonization temperature of at least 300° C. or by carbonizing and graphitizing the carbon precursor polymer at a final graphitization temperature higher than 1,500° C., and the graphitic matrix comprises graphene layers that are substantially oriented parallel to one another with an inclination angle between two graphene layers less than 5 degrees. The film is thermally and electrically conductive, and can be used to dissipate heat in an electronic device or device housing.

摘要翻译： 一种柔性石墨烯填充复合薄膜，其包含碳或石墨基质和分散在基质中的1％至99％重量的石墨烯片晶，其中所述石墨烯薄片沿所述薄膜的平面方向排列，并选自原始石墨烯，氧化 石墨烯，还原型石墨烯氧化物，氟化石墨烯，氢化石墨烯，掺杂石墨烯，化学官能化石墨烯或其组合，其中碳或石墨基体是通过在至少300℃的碳化温度下碳化碳前体聚合物获得的。 或者通过在高于1500℃的最终石墨化温度下碳化和石墨化碳前体聚合物，并且石墨基质包括彼此平行的大致取向的石墨烯层，其中两个石墨烯层之间的倾斜角小于5度。 该膜具有导热和导电性，并且可用于在电子设备或设备外壳中散热。

公开(公告)号：US20160344035A1

公开(公告)日：2016-11-24

申请号：US14545553

申请日：2015-05-21

申请人： Aruna Zhamu ,  Bor Z Jang

发明人： Aruna Zhamu ,  Bor Z Jang

IPC分类号： H01M4/62 ,  H01M10/054 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569

CPC分类号： H01M4/628 ,  H01M4/0426 ,  H01M4/366 ,  H01M10/052 ,  H01M10/054 ,  H01M10/0568 ,  H01M10/0569 ,  H01M12/08 ,  H01M2220/20 ,  Y02E60/122 ,  Y02E60/128

摘要： A rechargeable alkali metal battery comprising: (a) an anode comprising an alkali metal layer and a dendrite penetration-resistant layer comprising an amorphous carbon or polymeric carbon matrix, an optional carbon or graphite reinforcement phase dispersed in this matrix, and a lithium- or sodium-containing species that are chemically bonded to the matrix and/or the optional carbon or graphite reinforcement to form an integral layer that prevents dendrite penetration, wherein the lithium- or sodium-containing species is selected from Li2CO3, Li2O, Li2C2O4, LiOH, LiX, ROCO2Li, HCOLi, ROLi, (ROCO2Li)2, (CH2OCO2Li)2, Li2S, LixSOy, Na2CO3, Na2O, Na2C2O4, NaOH, NaiX, ROCO2Na, HCONa, RONa, (ROCO2Na)2, (CH2OCO2Na)2, Na2S, NaxSOy, or a combination thereof, wherein X═F, Cl, I, or Br, R=a hydrocarbon group, x=0-1, y=1-4; (b) a cathode; and (c) a separator and electrolyte component; wherein the dendrite penetration-resistant layer is disposed between the alkali metal layer and the separator.

摘要翻译： 一种可再充电碱金属电池，包括：（a）阳极，其包含碱金属层和包含无定形碳或聚合碳基体的枝晶防渗层，分散在该基质中的任选的碳或石墨增强相，以及锂或 化学键合到基质和/或任选的碳或石墨增强物上以形成防止枝晶渗透的整体层的含钠物质，其中所述含锂或钠的物质选自Li 2 CO 3，Li 2 O，Li 2 C 2 O 4，LiOH， （ROCO2Li）2，（CH2OCO2Li）2，Li2S，LixSOy，Na2CO3，Na2O，Na2C2O4，NaOH，NaiX，ROCO2Na，HCONa，RONa，（ROCO2Na）2，（CH2OCO2Na） NaxSOy或其组合，其中X = F，Cl，I或Br，R =烃基，x = 0-1，y = 1-4; （b）阴极; 和（c）分离器和电解质组分; 其中枝晶耐渗层设置在碱金属层和隔板之间。

公开(公告)号：US20160308208A1

公开(公告)日：2016-10-20

申请号：US14545279

申请日：2015-04-17

申请人： Hui He ,  Aruna Zhamu ,  Bor Z Jang

发明人： Hui He ,  Aruna Zhamu ,  Bor Z Jang

IPC分类号： H01M4/58 ,  H01M10/0568 ,  H01M2/16 ,  H01M10/054 ,  H01M4/38 ,  H01M4/62

CPC分类号： H01M4/5815 ,  H01M2/1673 ,  H01M4/136 ,  H01M4/38 ,  H01M4/622 ,  H01M4/625 ,  H01M4/66 ,  H01M4/80 ,  H01M10/054 ,  H01M10/0568 ,  H01M2004/021 ,  H01M2004/028 ,  H01M2220/20 ,  H01M2300/0037

摘要： A rechargeable magnesium-sulfur cell comprising an anode layer, an electrolyte, a metal polysulfide-preloaded active cathode layer, wherein the active cathode layer comprises: (a) an integral porous structure having massive surfaces (specific surface area >100 m2/g) or pores with a size from 1.0 nm to 100 nm and wherein multiple particles; and (b) a metal polysulfide, MxSy, preloaded in the pores or deposited on the massive surfaces, wherein x is an integer from 1 to 3 and y is an integer from 1 to 10, and M is a metal element selected from an alkali metal, an alkaline metal, a transition metal, a metal from groups 13 to 17 of the periodic table, or a combination thereof. The metal polysulfide is in a form of solid-state thin coating or small particles with a thickness or diameter less than 50 nm.

摘要翻译： 一种可充电的镁硫电池，包括阳极层，电解质，金属多硫化物预加载的活性阴极层，其中所述活性阴极层包括：（a）具有块状表面（比表面积> 100m 2 / g）的整体多孔结构， 或尺寸为1.0nm至100nm的孔，并且其中多个颗粒; 和（b）金属多硫化物MxSy，其预载在孔中或沉积在块状表面上，其中x为1至3的整数，y为1至10的整数，M为选自碱金属的金属元素 金属，碱金属，过渡金属，元素周期表第13至17族的金属，或其组合。 金属多硫化物是固态薄涂层的形式或厚度或直径小于50nm的小颗粒。