利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

352 条记录 (耗时 0.048 秒)

    Graphene foam-protected anode active materials for lithium batteries
    91.
    发明申请
    Graphene foam-protected anode active materials for lithium batteries 有权
    用于锂电池的石墨烯泡沫保护阳极活性材料

    公开(公告)号：US20160043384A1

    公开(公告)日：2016-02-11

    申请号：US14121151

    申请日：2014-08-07

    申请人： Aruna Zhamu ,  Bor Z. Jang

    发明人： Aruna Zhamu ,  Bor Z. Jang

    IPC分类号： H01M4/133 ,  H01M4/04 ,  H01M4/587

    CPC分类号： H01M4/133 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/1393 ,  H01M4/364 ,  H01M4/366 ,  H01M4/386 ,  H01M4/387 ,  H01M4/587 ,  H01M10/052 ,  H01M2004/021

    摘要： A lithium-ion battery anode layer, comprising an anode active material embedded in pores of a solid graphene foam composed of multiple pores and pore walls, wherein (a) the pore walls contain a pristine graphene material having essentially no (less than 0.01%) non-carbon elements or a non-pristine graphene material having 0.01% to 5% by weight of non-carbon elements; (b) the anode active material is in an amount from 0.5% to 95% by weight based on the total weight of the graphene foam and the anode active material combined, and (c) some of the multiple pores are lodged with particles of the anode active material and other pores are particle-free, and the graphene foam is sufficiently elastic to accommodate volume expansion and shrinkage of the particles of the anode active material during a battery charge-discharge cycle to avoid expansion of the anode layer. Preferably, the solid graphene foam has a density from 0.01 to 1.7 g/cm3, a specific surface area from 50 to 2,000 m2/g, a thermal conductivity of at least 100 W/mK per unit of specific gravity, and/or an electrical conductivity no less than 1,000 S/cm per unit of specific gravity.

    摘要翻译： 一种锂离子电池阳极层，包括嵌入由多个孔和孔壁组成的固体石墨烯泡沫的孔中的阳极活性物质，其中（a）孔壁含有基本上没有（小于0.01％）的原始石墨烯材料， 非碳元素或具有0.01重量％至5重量％的非碳元素的非原始石墨烯材料; （b）所述负极活性物质的量相对于所述石墨烯泡沫和所述负极活性物质的总重量为0.5〜95重量％，（c）所述多个孔中的一些与所述 阳极活性材料和其它孔是无颗粒的，并且石墨烯泡沫具有足够的弹性，以适应在电池充放电循环期间阳极活性材料颗粒的体积膨胀和收缩，以避免阳极层膨胀。 优选地，固体石墨烯泡沫的密度为0.01至1.7g / cm 3，比表面积为50至2,000m 2 / g，每单位比重至少为100W / mK的热导率和/或电 电导率不低于每单位比重1000 S / cm。

    Highly conductive graphene foams and process for producing same
    92.
    发明申请
    Highly conductive graphene foams and process for producing same 审中-公开
    高导电性石墨烯泡沫及其制造方法

    公开(公告)号：US20160019995A1

    公开(公告)日：2016-01-21

    申请号：US14120959

    申请日：2014-07-17

    申请人： Aruna Zhamu ,  Bor Z. Jang

    发明人： Aruna Zhamu ,  Bor Z. Jang

    IPC分类号： H01B1/04 ,  H01B13/32 ,  H01B13/00 ,  H01B13/30 ,  C01B31/04 ,  H01B5/16

    摘要： A process for producing a solid graphene foam composed of multiple pores and pore walls The process comprises: (a) preparing a graphene dispersion having a graphene material dispersed in a liquid medium, which contains an optional blowing agent; (b) dispensing and depositing the graphene dispersion onto a supporting substrate to form a wet layer of graphene material having a preferred orientation; (c) partially or completely removing the liquid medium from the wet layer of graphene material to form a dried layer of graphene material having a content of non-carbon elements no less than 5% by weight (including blowing agent weight); and (d) heat treating the layer of graphene material at a first heat treatment temperature from 80° C. to 3,200° C. at a desired heating rate sufficient to induce volatile gas molecules from the non-carbon elements or to activate the blowing agent for producing the graphene foam having a density from 0.01 to 1.7 g/cm3 or a specific surface area from 50 to 3,000 m2/g.

    摘要翻译： 一种生产由多孔和孔壁组成的固体石墨烯泡沫的方法该方法包括：（a）制备分散在含有任选的发泡剂的液体介质中的石墨烯材料的石墨烯分散体; （b）将石墨烯分散体分配并沉积到支撑基底上以形成具有优选取向的石墨烯材料的湿层; （c）从石墨烯材料的湿层部分或完全地去除液体介质以形成具有不少于5重量％（包括发泡剂重量）的非碳元素含量的石墨烯材料干燥层; 和（d）以足以从非碳元素诱导挥发性气体分子或活化发泡剂的所需加热速率在第一热处理温度从80℃至3200℃下热处理所述石墨烯材料层 用于生产密度为0.01至1.7g / cm 3或比表面积为50至3,000m 2 / g的石墨烯泡沫。

    Surface-mediated cell-driven power tools and methods of operating same
    94.
    发明授权
    Surface-mediated cell-driven power tools and methods of operating same 有权
    表面介导的电池驱动电动工具及其操作方法

    公开(公告)号：US09085076B2

    公开(公告)日：2015-07-21

    申请号：US13385350

    申请日：2012-02-16

    申请人： Aruna Zhamu ,  Guorong Chen ,  Wei Xiong ,  Bor Z. Jang ,  Yanbo Wang ,  Qing Fang

    发明人： Aruna Zhamu ,  Guorong Chen ,  Wei Xiong ,  Bor Z. Jang ,  Yanbo Wang ,  Qing Fang

    IPC分类号： B25F5/00 ,  H01M4/00 ,  H01G11/50 ,  H01M10/0525 ,  H01M16/00 ,  H01M4/133 ,  H01M10/46 ,  H01M6/50 ,  H01M12/00 ,  H01M14/00 ,  H02M3/158 ,  H01G11/06

    CPC分类号： B25F5/00 ,  H01G11/06 ,  H01G11/50 ,  H01M4/133 ,  H01M6/5033 ,  H01M10/0525 ,  H01M10/465 ,  H01M12/005 ,  H01M14/00 ,  H01M16/00 ,  H01M2220/30 ,  H02M3/1582 ,  Y02B70/1483 ,  Y02E60/122 ,  Y02E60/13 ,  Y02P70/54

    摘要： A portable power tool comprises an electric motor, actuator, or light-emitting hardware and a rechargeable power source connected to the electric motor, actuator, or light-emitting hardware, wherein the power source contains at least a surface-mediated cell (SMC). The power tools include, but are not limited to, impact driver, air compressor, alligator shear, angle grinder, band saw, belt sander, biscuit joiner, ceramic tile cutter tile saw, chainsaw, circular saw, concrete saw, cold saw, crusher, diamond blade, diamond tools, disc sander, drill, floor sander, grinding machine, heat gun, impact wrench, jackhammer, jointer, jigsaw, lathe, miter saw, nail gun, needle scaler, torque wrench, powder-actuated tools, power wrench, radial arm saw, random orbital sander, reciprocating saw, rotary reciprocating saw, rotary tool, sabre saw, sander, scroll saw, steel cut off saw, table saw, thickness planer, trimmer, wall chaser, wood router, or flashlight.

    摘要翻译： 便携式电动工具包括电动机，致动器或发光硬件以及连接到电动机，致动器或发光硬件的可再充电电源，其中电源至少包含表面介导的电池（SMC） 。 电动工具包括但不限于冲击驱动器，空气压缩机，鳄鱼剪，角磨机，带锯，皮带砂光机，饼干连接机，瓷砖切割机瓦锯，电锯，圆锯，混凝土锯，冷锯，破碎机 ，金刚石刀片，金刚石工具，圆盘砂光机，钻头，地板砂光机，磨床，热枪，冲击扳手，手提锤，接头，拼图，车床，斜切锯，指甲枪，针标机，扭矩扳手，粉末驱动工具，动力 扳手，径向手臂锯，随机轨道砂光机，往复锯，旋转往复锯，旋转工具，军刀锯，砂光机，卷锯，钢切割锯，台锯，厚度刨，修边机，壁挂机，木路由器或手电筒。

    Non-flammable quasi-solid electrolyte and non-lithium alkali metal or alkali-ion secondary batteries containing same
    95.
    发明授权
    Non-flammable quasi-solid electrolyte and non-lithium alkali metal or alkali-ion secondary batteries containing same 有权
    不易燃的准固体电解质和含有其的非锂碱金属或碱金属二次电池

    公开(公告)号：US09059481B2

    公开(公告)日：2015-06-16

    申请号：US13987764

    申请日：2013-08-30

    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： H01M6/18 ,  H01M10/0568 ,  H01M10/05 ,  H01M4/40

    CPC分类号： H01M10/0568 ,  H01M4/40 ,  H01M4/405 ,  H01M4/587 ,  H01M10/05 ,  H01M10/054 ,  H01M10/0569

    摘要： A non-flammable quasi-solid electrolyte and a rechargeable non-lithium alkali metal cell containing this electrolyte. The electrolyte comprises an alkali metal salt dissolved in an organic liquid solvent with a concentration higher than 2.5 M (preferably >3.5 M) or a molecular ratio greater than 0.2 (preferably >0.3), wherein the alkali metal is selected from Na, K, a combination of Na and K, or a combination of Na and/or K with Li. The alkali metal salt concentration is sufficiently high so that the electrolyte exhibits a vapor pressure

    摘要翻译： 不可燃的准固体电解质和含有这种电解质的可再充电的非锂碱金属电池。 电解质包含溶解在浓度高于2.5M（优选> 3.5M）或分子比大于0.2（优选> 0.3））的有机液体溶剂中的碱金属盐，其中碱金属选自Na，K， Na和K的组合，或Na和/或K与Li的组合。 碱金属盐浓度足够高，使得当在20℃下测量时，电解质的蒸气压<0.01kPa，当单独测量时，有机溶剂的蒸气压的蒸汽压<60％，至少闪点 当单独测量时，有机液体溶剂的闪点高20摄氏度，闪点高于150℃，或无可检测的闪点。

    Cathode active material-coated discrete graphene sheets for lithium batteries and process for producing same
    97.
    发明申请
    Cathode active material-coated discrete graphene sheets for lithium batteries and process for producing same 有权
    用于锂电池的阴极活性材料涂层离散石墨烯片及其制造方法

    公开(公告)号：US20150044556A1

    公开(公告)日：2015-02-12

    申请号：US13987567

    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： H01M4/36 ,  H01M4/04

    CPC分类号： H01M4/366 ,  H01M4/04 ,  H01M4/0421 ,  H01M4/13 ,  H01M4/139 ,  H01M4/625 ,  H01M10/056 ,  H01M2004/028 ,  Y10T156/1075

    摘要： The present invention provides a cathode (positive electrode) of a lithium battery and a process for producing this cathode. The electrode comprises a cathode active material-coated graphene sheet and the graphene sheet has two opposed parallel surfaces, wherein at least 50% area (preferably >80%) of one of the two surfaces is coated with a cathode active material coating. The graphene material is in an amount of from 0.1% to 99.5% by weight and the cathode active material is in an amount of at least 0.5% by weight (preferably >80% and more preferably >90%), all based on the total weight of the graphene material and the cathode active material combined. The cathode active material is preferably an inorganic material, an organic or polymeric material, a metal oxide/phosphate/sulfide, or a combination thereof. The invention also provides a lithium battery, including a lithium-ion, lithium-metal, or lithium-sulfur battery.

    摘要翻译： 本发明提供锂电池的阴极（正电极）及其制造方法。 电极包括阴极活性材料涂覆的石墨烯片，并且石墨烯片具有两个相对的平行表面，其中两个表面中的一个表面的至少50％面积（优选> 80％）涂覆有阴极活性材料涂层。 石墨烯材料的量为0.1重量％至99.5重量％，正极活性物质的量为至少0.5重量％（优选> 80重量％，更优选> 90重量％），均基于总量 石墨烯材料和阴极活性材料的重量相结合。 阴极活性材料优选为无机材料，有机或聚合材料，金属氧化物/磷酸盐/硫化物或其组合。 本发明还提供一种锂电池，其包括锂离子，锂金属或锂硫电池。

    Impregnated continuous graphitic fiber tows and composites containing same
    98.
    发明申请
    Impregnated continuous graphitic fiber tows and composites containing same 有权
    浸渍的连续石墨纤维丝束和含有它们的复合材料

    公开(公告)号：US20150037530A1

    公开(公告)日：2015-02-05

    申请号：US13987528

    申请日：2013-08-05

    申请人： Aruna Zhamu ,  Bor Z. Jang

    发明人： Aruna Zhamu ,  Bor Z. Jang

    IPC分类号： C09K5/14 ,  H01B1/24 ,  D01F9/12

    CPC分类号： H01B1/24 ,  D01D5/04 ,  D01F9/12 ,  Y10T428/24124 ,  Y10T428/249921 ,  Y10T428/2918

    摘要： An impregnated fiber tow comprising multiple unitary graphene-based continuous graphitic fibers impregnated with a matrix material, wherein at least one of the continuous graphitic fibers comprises at least 90% by weight of graphene planes that are chemically bonded with one another having an inter-planar spacing d002 from 0.3354 nm to 0.4 nm as determined by X-ray diffraction and an oxygen content less than 5% by weight, wherein the graphene planes are parallel to one another and parallel to a fiber axis direction and the graphitic fiber contains no core-shell structure, has no helically arranged graphene domains or domain boundary, and has a porosity level less than 5% by volume.

    摘要翻译： 浸渍纤维丝束，其包含浸渍有基质材料的多个基于单一石墨烯的连续石墨纤维，其中至少一种连续石墨纤维包含至少90重量％的彼此化学键合的石墨烯平面，所述石墨烯平面具有平面 间隔d002从0.3354nm到0.4nm，通过X射线衍射测定，氧含量小于5重量％，其中石墨烯平面彼此平行并且平行于纤维轴方向，并且石墨纤维不含核心 - 壳结构，没有螺旋排列的石墨烯畴或畴边界，并且具有小于5体积％的孔隙率水平。

    Non-flammable quasi-solid electrolyte-separator layer product for lithium battery applications
    99.
    发明申请
    Non-flammable quasi-solid electrolyte-separator layer product for lithium battery applications 有权
    用于锂电池应用的非易燃准固体电解质分离器层产品

    公开(公告)号：US20150024248A1

    公开(公告)日：2015-01-22

    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

    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.

    摘要翻译： 一种用于锂电池的隔膜 - 电解质层产品，包括：（a）选自多孔聚合物膜，多孔垫，织物或由聚合物或玻璃纤维制成的纸的多孔薄膜隔膜，或其组合 其中所述隔板的厚度小于500μm; 和（b）含有溶解在液体溶剂中的锂盐的不易燃准固态电解质，其浓度不低于3M; 其中所述多孔薄膜分离器涂覆有准固体电解质，使得当在20℃下测量时，所述层产物的蒸气压小于0.01kPa，蒸气压小于液体的蒸气压的60％ 溶剂，闪点比单独的第一液体溶剂的闪点高至少20摄氏度，闪点高于150℃，或没有可检测的闪点。