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1. 发明授权

US09966199B2 Supercapacitor having highly conductive graphene foam electrode 有权
公开(公告)号：US09966199B2
公开(公告)日：2018-05-08
申请号：US14998475
申请日：2016-01-11
申请人： Aruna Zhamu , Bor Z Jang
发明人： Aruna Zhamu , Bor Z Jang
IPC分类号： H01G9/00 , H01G9/04 , H01G9/145 , H01G11/32 , H01G11/26 , H01G11/46 , H01G11/06 , H01G11/48 , H01G11/36 , H01G11/38 , H01G11/70 , C01B32/184 , C01B32/194 , H01G11/02
CPC分类号： H01G11/32 , C01B32/184 , C01B32/194 , C01B2204/22 , C01B2204/24 , C01B2204/32 , H01G11/02 , H01G11/06 , H01G11/26 , H01G11/36 , H01G11/38 , H01G11/46 , H01G11/48 , H01G11/70 , Y02E60/13
摘要： A supercapacitor electrode comprising a solid graphene foam impregnated with a liquid or gel electrolyte, wherein the solid graphene foam is composed of multiple pores and pore walls, wherein pore walls contain a pristine graphene material having essentially zero % of non-carbon elements, or a non-pristine graphene material having 0.001% to 5% by weight of non-carbon elements wherein non-pristine graphene is selected from graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, chemically functionalized graphene, or a combination thereof, and the solid graphene foam, when measured in a dried state without electrolyte, has a physical density from 0.01 to 1.7 g/cm3, a specific surface area from 50 to 3,200 m2/g, a thermal conductivity of at least 200 W/mK per unit of specific gravity, and/or an electrical conductivity no less than 2,000 S/cm per unit of specific gravity.

2. 发明授权

US09905856B1 Flexible and shape-conformal rope-shape alkali metal-sulfur batteries 有权
公开(公告)号：US09905856B1
公开(公告)日：2018-02-27
申请号：US15392213
申请日：2016-12-28
申请人： Aruna Zhamu , Hui He , Baofei Pan , Yu-Sheng Su , Bor Z Jang
发明人： Aruna Zhamu , Hui He , Baofei Pan , Yu-Sheng Su , Bor Z Jang
IPC分类号： H01M2/10 , H01M4/78 , H01M10/0525 , H01M10/054 , H01M10/0568 , H01M10/0569 , H01M10/0587 , H01M4/02
CPC分类号： H01M4/78 , H01M2/1055 , H01M2/1083 , H01M10/0525 , H01M10/054 , H01M10/0568 , H01M10/0569 , H01M10/0587 , H01M2004/025 , H01M2300/0025
摘要： Provided is a rope-shape alkali metal-sulfur battery having (a) a first electrode comprising a conductive porous rod and a mixture of a first electrode active material and a first electrolyte residing in pores of the first porous rod; (b) a porous separator wrapping around the first electrode to form a separator-protected first electrode; (c) a second electrode comprising a conductive porous rod having a mixture of a second electrode active material and a second electrolyte residing in pores of the second porous rod; wherein the separator-protected first electrode and the second electrode are combined to form a braid or a yarn; and (d) a protective sheath encasing the braid or yarn; wherein either the first or the second electrode is a cathode containing sulfur or a sulfur compound as a cathode active material and the battery has a rope shape having a length-to-diameter aspect ratio no less than 5.

3. 发明授权

US09741499B2 Production process for a supercapacitor having a high volumetric energy density 有权
公开(公告)号：US09741499B2
公开(公告)日：2017-08-22
申请号：US14756292
申请日：2015-08-24
申请人： Aruna Zhamu , Bor Z Jang
发明人： Aruna Zhamu , Bor Z Jang
IPC分类号： H01G9/00 , H01G11/86 , H01G11/24 , H01G11/26 , H01G11/52 , H01G11/78 , H01G11/32 , H01G11/70 , H01G11/02 , H01G11/28 , H01G11/36 , H01G11/46
CPC分类号： H01G11/86 , H01G11/02 , H01G11/24 , H01G11/28 , H01G11/32 , H01G11/36 , H01G11/46 , H01G11/70 , Y02E60/13
摘要： A process for producing a supercapacitor cell, comprising (a) Assembling a porous cell framework composed of a first conductive foam structure, a second conductive foam structure, and a porous separator, wherein the first and/or second conductive foam structure has a thickness no less than 200 μm and at least 80% by volume of pores; (b) Preparing a first suspension of an anode active material dispersed in a liquid electrolyte and a second suspension of a cathode active material (e.g. graphene sheets) dispersed in a liquid electrolyte; and (c) Injecting the first suspension into pores of the first conductive foam structure to form an anode and injecting second suspension into pores of the second conductive foam structure to form a cathode, wherein the anode active material or the cathode active material constitutes an electrode active material loading >10 mg/cm2, preferably >15 mg/cm2, more preferably >20 mg/cm2.

4. 发明授权

US09564630B2 Anode active material-coated graphene sheets for lithium batteries and process for producing same 有权
标题翻译：用于锂电池的阳极活性材料涂覆石墨烯片及其制造方法
公开(公告)号：US09564630B2
公开(公告)日：2017-02-07
申请号：US13987566
申请日：2013-08-08
申请人： Yanbo Wang , Bor Z Jang , Hui He , Aruna Zhamu
发明人： Yanbo Wang , Bor Z Jang , Hui He , Aruna Zhamu
IPC分类号： H01M4/26 , H01M4/36 , H01M4/04 , H01M4/38 , H01M4/42 , H01M4/44 , H01M4/46 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/1395 , H01M4/587 , H01M10/0525 , H01M4/62 , H01M4/485 , H01M4/02
CPC分类号： H01M4/366 , H01M4/0423 , H01M4/0426 , H01M4/0428 , H01M4/133 , H01M4/134 , H01M4/1393 , H01M4/1395 , H01M4/386 , H01M4/387 , H01M4/42 , H01M4/44 , H01M4/463 , H01M4/485 , H01M4/587 , H01M4/625 , H01M10/0525 , H01M2004/027 , Y02E60/122 , Y02P70/54 , Y02T10/7011
摘要： The present invention provides a process for producing a graphene-enhanced anode active material for use in a lithium battery. The process comprises (a) providing a continuous film of a graphene material into a deposition zone; (b) introducing vapor or atoms of a precursor anode active material into the deposition zone, allowing the vapor or atoms to deposit onto a surface of the graphene material film to form a sheet of an anode active material-coated graphene material; and (c) mechanically breaking this sheet into multiple pieces of anode active material-coated graphene; wherein the graphene material is in an amount of from 0.1% to 99.5% by weight and the anode active material is in an amount of at least 0.5% by weight, all based on the total weight of the graphene material and the anode active material combined.
摘要翻译：本发明提供一种用于生产用于锂电池的石墨烯增强的阳极活性材料的方法。该方法包括（a）将石墨烯材料的连续膜提供到沉积区中; （b）将前体负极活性物质的蒸汽或原子引入沉积区，允许蒸气或原子沉积在石墨烯材料膜的表面上以形成负极活性材料涂覆石墨烯材料的片材; 和（c）将该片材机械地破碎成多片阳极活性材料涂覆的石墨烯; 其中所述石墨烯材料的量为0.1重量％至99.5重量％，并且所述负极活性材料的量为至少0.5重量％，全部基于所述石墨烯材料和所述负极活性材料的总重量。

5. 发明申请

US20160301102A1 Partially and fully surface-enable metal ion-exchanging energy storage devices 审中-公开
标题翻译：部分和完全表面使能金属离子交换储能装置
公开(公告)号：US20160301102A1
公开(公告)日：2016-10-13
申请号：US14545239
申请日：2015-04-13
申请人： Aruna Zhamu , Bor Z Jang
发明人： Aruna Zhamu , Bor Z Jang
IPC分类号： H01M10/0567 , H01M4/137 , H01M4/36 , H01M10/05 , H01M4/587 , H01M4/60 , H01M10/02 , H01M10/0569 , H01M4/133
CPC分类号： H01M10/05 , H01M4/587 , H01M4/606
摘要： A surface-enabled, metal ion-exchanging battery device comprising a cathode, an anode, a porous separator, and a metal ion-containing electrolyte, wherein the metal ion is selected from aluminum (Al), gallium (Ga), indium (In), tin (Sn), lead (P), or bismuth (Bi), and at least one of the electrodes contains therein a metal ion source prior to the first charge or discharge cycle of the device and at least the cathode comprises a functional material or nano-structured material having a metal ion-capturing functional group or metal ion-storing surface in direct contact with the electrolyte. This energy storage device has a power density significantly higher than that of a lithium-ion battery and an energy density dramatically higher than that of a supercapacitor.
摘要翻译：一种表面使能的金属离子交换电池装置，包括阴极，阳极，多孔隔板和含金属离子的电解质，其中金属离子选自铝（Al），镓（Ga），铟（In ），锡（Sn），铅（P）或铋（Bi），并且至少一个电极在器件的第一充电或放电循环之前包含金属离子源，并且至少阴极包括功能性具有与电解质直接接触的金属离子捕获官能团或金属离子存储表面的材料或纳米结构材料。该能量存储装置的功率密度显着高于锂离子电池的功率密度，能量密度显着高于超级电容器。

6. 发明申请

US20140308449A1 Process for producing continuous graphitic fibers from living graphene molecules 有权
标题翻译：从活性石墨烯分子生产连续石墨纤维的方法
公开(公告)号：US20140308449A1
公开(公告)日：2014-10-16
申请号：US13986208
申请日：2013-04-15
申请人： Aruna Zhamu , Bor Z Jang
发明人： Aruna Zhamu , Bor Z Jang
IPC分类号： C01B31/04
CPC分类号： C01B31/04 , C01B32/20 , D01D1/02 , D01D5/04 , D01D10/02 , D01F9/12
摘要： A process for producing a continuous graphitic fiber, comprising: (a) preparing a graphene oxide gel having living graphene oxide molecules or functionalized graphene chains dissolved in a fluid medium; (b) depositing at least a continuous filament of graphene oxide gel onto a supporting substrate under a condition of stress-induced molecular alignment of living graphene oxide molecules along a filament axis direction; (c) removing the fluid medium to form a continuous graphene oxide fiber, having an inter-plane spacing d002 of 0.4 nm to 1.2 nm and an oxygen content no less than 5% by weight; and (d) heat treating the continuous graphene oxide fiber to form the continuous graphitic fiber at a temperature higher than 100° C. (preferably >600° C.) to an extent that an inter-plane spacing d002 is decreased to a value of 0.3354-0.4 nm and the oxygen content is decreased to less than 5% by weight.
摘要翻译：一种生产连续石墨纤维的方法，包括：（a）制备具有溶解在流体介质中的活性氧化石墨烯分子或官能化石墨烯链的石墨烯氧化物凝胶; （b）在活性石墨烯氧化物分子沿着长丝轴线方向的应力诱导分子取向的条件下，将至少一层氧化石墨烯凝胶的连续长丝沉积到支撑基底上; （c）除去流体介质以形成连续的石墨烯氧化纤维，其平面间距d002为0.4nm至1.2nm，氧含量不低于5wt％; 和（d）在高于100℃（优选> 600℃）的温度下对连续的石墨烯氧化纤维进行热处理以形成连续的石墨纤维，使得平面间距d002降低到 0.3354-0.4nm，氧含量降低到小于5重量％。

7. 发明授权

US10362673B2 Patterned nano graphene platelet-based conductive inks 有权
公开(公告)号：US10362673B2
公开(公告)日：2019-07-23
申请号：US15241886
申请日：2016-08-19
申请人： Aruna Zhamu , Bor Z Jang
发明人： Aruna Zhamu , Bor Z Jang
IPC分类号： C09D11/52 , C09D11/30 , H01B1/24 , H05K1/00 , H05K1/09 , C09D11/037 , C09D11/38 , C09D11/102 , H05K1/02 , H05K9/00
摘要： A nano graphene platelet-based conductive ink comprising: (a) nano graphene platelets (preferably un-oxidized or pristine graphene), and (b) a liquid medium in which the nano graphene platelets are dispersed, wherein the nano graphene platelets occupy a proportion of at least 0.001% by volume based on the total ink volume and a process using the same. The ink can also contain a binder or matrix material and/or a surfactant. The ink may further comprise other fillers, such as carbon nanotubes, carbon nano-fibers, metal nano particles, carbon black, conductive organic species, etc. The graphene platelets preferably have an average thickness no greater than 10 nm and more preferably no greater than 1 nm. These inks can be printed to form a range of electrically or thermally conductive components or printed electronic components.

8. 发明授权

US09601803B2 Non-flammable quasi-solid electrolyte-separator layer product for lithium battery applications 有权
公开(公告)号：US09601803B2
公开(公告)日：2017-03-21
申请号：US13987394
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 , H01M10/052 , H01M10/0568
CPC分类号： H01M10/056 , H01M2/1606 , H01M10/052 , H01M10/0568 , H01M2300/0045 , H01M2300/0094 , Y02P70/54 , Y02T10/7011
摘要： A separator-electrolyte layer product for use in a lithium battery, comprising: (a) a porous thin-film separator selected from a porous polymer film, a porous mat, fabric, or paper made of polymer or glass fibers, or a combination thereof, wherein the separator has a thickness less than 500 μm; and (b) a non-flammable quasi-solid electrolyte containing a lithium salt dissolved in a liquid solvent up to a concentration no less than 3 M; wherein the porous thin-film separator is coated with the quasi-solid electrolyte so that the layer product exhibits a vapor pressure less than 0.01 kPa when measured at 20° C., a vapor pressure less than 60% of the vapor pressure of the 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.

9. 发明授权

US09601763B2 Process for mass-producing silicon nanowires and silicon nanowire-graphene hybrid particulates 有权
公开(公告)号：US09601763B2
公开(公告)日：2017-03-21
申请号：US14545108
申请日：2015-03-27
申请人： Qing Fang , Aruna Zhamu , Bor Z Jang
发明人： Qing Fang , Aruna Zhamu , Bor Z Jang
IPC分类号： H01M4/36 , H01M4/04 , H01M4/38 , H01M4/583 , H01M10/052 , H01M4/02
CPC分类号： H01M4/1393 , C01B32/182 , C01B33/021 , C01P2004/16 , H01M4/0402 , H01M4/0419 , H01M4/0423 , H01M4/0426 , H01M4/0428 , H01M4/045 , H01M4/0471 , H01M4/133 , H01M4/134 , H01M4/1395 , H01M4/366 , H01M4/386 , H01M4/583 , H01M4/587 , H01M10/052 , H01M10/0525 , H01M2004/027 , H01M2220/20 , Y02T10/7011
摘要： Disclosed is a process for producing graphene-silicon nanowire hybrid material, comprising: (A) preparing a catalyst metal-coated mixture mass, which includes mixing graphene sheets with micron or sub-micron scaled silicon particles to form a mixture and depositing a nano-scaled catalytic metal onto surfaces of the graphene sheets and/or silicon particles; and (B) exposing the catalyst metal-coated mixture mass to a high temperature environment (preferably from 300° C. to 2,000° C., more preferably from 400° C. to 1,500° C., and most preferably from 500° C. to 1,200° C.) for a period of time sufficient to enable a catalytic metal-catalyzed growth of multiple silicon nanowires using the silicon particles as a feed material to form the graphene-silicon nanowire hybrid material composition. An optional etching or separating procedure may be conducted to remove catalytic metal or graphene from the Si nanowires.

10. 发明授权

US09597657B1 Chemical-free production of 3D graphene-carbon hybrid foam 有权
公开(公告)号：US09597657B1
公开(公告)日：2017-03-21
申请号：US14998357
申请日：2015-12-28
申请人： Aruna Zhamu , Bor Z Jang
发明人： Aruna Zhamu , Bor Z Jang
IPC分类号： C01B31/00 , C01B31/04 , B01J20/20 , B01J20/28 , B01J20/30 , C09K3/32 , C09K5/14
CPC分类号： B01J20/20 , B01J20/28045 , B01J20/3078 , C01B32/20 , C09K3/32 , C09K5/14
摘要： Provided is a method of producing an integral 3D graphene-carbon hybrid foam, comprising: (a) mixing multiple particles of a graphitic material and multiple particles of a solid polymer carrier material to form a mixture in an impacting chamber of an energy impacting apparatus; (b) operating the energy impacting apparatus to peel off graphene sheets from the graphitic material and transferring the graphene sheets to surfaces of solid polymer carrier material particles to produce graphene-coated polymer particles; (c) recovering the graphene-coated polymer particles from the impacting chamber and consolidating the graphene-coated polymer particles into a desired shape of graphene-polymer composite structure; and (d) pyrolyzing the shape of graphene-polymer composite structure to thermally convert the polymer into carbon or graphite that bonds the graphene sheets to form the integral 3D graphene-carbon hybrid foam.

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