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    Rechargeable lithium cell having a meso-porous conductive material structure-supported phthalocyanine compound cathode
    21.
    发明授权
    Rechargeable lithium cell having a meso-porous conductive material structure-supported phthalocyanine compound cathode 有权
    具有中孔多孔导电材料结构负载的酞菁化合物阴极的可充电锂电池

    公开(公告)号：US09147874B2

    公开(公告)日：2015-09-29

    申请号：US13507168

    申请日：2012-06-11

    申请人： Guorong Chen ,  Yanbo Wang ,  Aruna Zhamu ,  Bor Z. Jang

    发明人： Guorong Chen ,  Yanbo Wang ,  Aruna Zhamu ,  Bor Z. Jang

    IPC分类号： H01M4/13 ,  H01M4/60 ,  H01M4/58 ,  H01M4/137 ,  B82Y30/00 ,  H01M4/1399 ,  H01M4/62 ,  H01M4/76 ,  H01M10/052

    CPC分类号： H01M4/137 ,  B82Y30/00 ,  H01M4/1399 ,  H01M4/608 ,  H01M4/625 ,  H01M4/762 ,  H01M10/052 ,  Y02E60/122

    摘要： A rechargeable lithium cell comprising: (a) an anode comprising a prelithiated lithium storage material or a combination of a lithium storage material and a lithium ion source; (b) a hybrid cathode active material composed of a meso-porous structure of a carbon, graphite, metal, or conductive polymer and a phthalocyanine compound, wherein the meso-porous structure is in an amount of from 1% to 99% by weight based on the total weight of the meso-porous structure and the phthalocyanine combined, and wherein the meso-porous structure has a pore with a size from 2 nm to 50 nm to accommodate phthalocyanine compound therein; and (c) an electrolyte or electrolyte/separator assembly. This secondary cell exhibits a long cycle life and the best cathode specific capacity and best cell-level specific energy of all rechargeable lithium-ion cells ever reported.

    摘要翻译： 一种可再充电锂电池，包括：（a）包含预锂化锂储存材料或锂储存材料和锂离子源的组合的阳极; （b）由碳，石墨，金属或导电聚合物和酞菁化合物的中孔多孔结构构成的混合阴极活性材料，其中所述中孔多孔结构的量为1重量％至99重量％ 基于组合的中孔多孔结构和酞菁的总重量，并且其中所述中孔多孔结构具有尺寸为2nm至50nm的孔以容纳其中的酞菁化合物; 和（c）电解质或电解质/分离器组件。 该二次电池显示出所有可再充电锂离子电池的循环寿命长以及最佳阴极比容量和最佳电池级比能。

    Inorganic nano sheet-enabled lithium-exchanging surface-mediated cells
    24.
    发明申请
    Inorganic nano sheet-enabled lithium-exchanging surface-mediated cells 有权
    无机纳米片锂交换表面介导的细胞

    公开(公告)号：US20130216894A1

    公开(公告)日：2013-08-22

    申请号：US13385366

    申请日：2012-02-16

    申请人： Yanbo Wang ,  Guorong Chen ,  Zhenning Yu ,  Bor Z. Jang ,  Aruna Zhamu

    发明人： Yanbo Wang ,  Guorong Chen ,  Zhenning Yu ,  Bor Z. Jang ,  Aruna Zhamu

    IPC分类号： H01M10/0525 ,  H01M4/131 ,  H01M4/136 ,  H01M10/052 ,  H01M4/13 ,  B82Y30/00

    CPC分类号： H01M4/13 ,  B82Y30/00 ,  H01G11/50 ,  H01M4/366 ,  H01M4/485 ,  H01M4/58 ,  H01M4/66 ,  H01M10/0525 ,  H01M12/005 ,  H01M2004/021 ,  Y02E60/13

    摘要： An inorganic material based surface-mediated cell (SMC) comprising (a) a cathode comprising a non-carbon-based inorganic cathode active material having a surface area to capture and store lithium thereon; (b) an anode comprising an anode current collector alone or both an anode current collector and an anode active material; (c) a porous separator; (d) a lithium-containing electrolyte in physical contact with the two electrodes, wherein the cathode has a specific surface area no less than 100 m2/g which is in direct physical contact with said electrolyte to receive lithium ions therefrom or to provide lithium ions thereto; and (e) a lithium source. This inorganic SMC provides both high energy density and high power density not achievable by supercapacitors and lithium-ion cells.

    摘要翻译： 一种基于无机材料的表面介质电池（SMC），其包含（a）阴极，其包含具有在其上捕获和存储锂的表面积的非碳基无机阴极活性材料; （b）阳极，其包含单独的阳极集电器和阳极活性材料; （c）多孔分离器; （d）与两个电极物理接触的含锂电解质，其中所述阴极具有不小于100m 2 / g的比表面积，其与所述电解质直接物理接触以接收锂离子或提供锂离子 到; 和（e）锂源。 该无机SMC提供了超级电容器和锂离子电池不能实现的高能量密度和高功率密度。

    Graphite or carbon particulates for the lithium ion battery anode
    26.
    发明授权
    Graphite or carbon particulates for the lithium ion battery anode 有权
    用于锂离子电池阳极的石墨或碳颗粒

    公开(公告)号：US09437344B2

    公开(公告)日：2016-09-06

    申请号：US12804413

    申请日：2010-07-22

    申请人： Aruna Zhamu ,  Jinjun Shi ,  Guorong Chen ,  Qing Fang ,  Bor Z. Jang ,  Ming C. Wang

    发明人： Aruna Zhamu ,  Jinjun Shi ,  Guorong Chen ,  Qing Fang ,  Bor Z. Jang ,  Ming C. Wang

    IPC分类号： B32B9/00 ,  H01B1/12 ,  C01B31/04 ,  H01M4/133 ,  H01M4/587 ,  H01M10/0525

    CPC分类号： H01B1/122 ,  C01B32/20 ,  H01M4/133 ,  H01M4/587 ,  H01M10/0525 ,  Y02T10/7011 ,  Y10T428/30

    摘要： This invention provides a graphite or graphite-carbon particulate for use as a lithium secondary battery anode material having a high-rate capability. The particulate is formed of a core carbon or graphite particle and a plurality of satellite carbon or graphite particles that are each separately bonded to the core particle wherein the core particle is spherical in shape, slightly elongate in shape with a major axis-to-minor axis ratio less than 2, or fibril in shape, and wherein the satellite particles are disc-, platelet-, or flake-like particles each containing a graphite crystallite with a crystallographic c-axis dimension Lc and a lateral dimension. Preferably, Lc is less than 100 nm and the flake/platelet lateral dimension is less than 1 μm. The core particle may be selected from natural graphite, artificial graphite, spherical graphite, graphitic coke, meso-carbon micro-bead, soft carbon, hard carbon, graphitic fibril, carbon nano-fiber, carbon fiber, or graphite fiber. Preferably, the flat-shaped particles are randomly oriented with respect to one another.

    摘要翻译： 本发明提供一种用作具有高速率能力的锂二次电池负极材料的石墨或石墨 - 碳颗粒。 颗粒由芯碳或石墨颗粒和多个卫星碳或石墨颗粒形成，每个卫星碳或石墨颗粒分别与核心颗粒结合，其中核心颗粒是球形的，具有略长的形状，具有长轴对次要的 轴比小于2，或原纤维形状，并且其中卫星颗粒是盘状，片状或片状颗粒，每个颗粒含有具有晶体c轴尺寸Lc和横向尺寸的石墨微晶。 优选地，Lc小于100nm，片/横板尺寸小于1μm。 核心颗粒可以选自天然石墨，人造石墨，球形石墨，石墨焦炭，内消旋碳微珠，软碳，硬碳，石墨原纤，碳纳米纤维，碳纤维或石墨纤维。 优选地，扁平形颗粒相对于彼此是随机取向的。

    Graphene-enhanced anode particulates for lithium ion batteries
    27.
    发明申请
    Graphene-enhanced anode particulates for lithium ion batteries 有权
    用于锂离子电池的石墨烯增强阳极颗粒

    公开(公告)号：US20120064409A1

    公开(公告)日：2012-03-15

    申请号：US12807635

    申请日：2010-09-10

    申请人： Aruna Zhamu ,  Jinjun Shi ,  Guorong Chen ,  Qing Fang ,  Bor Z. Jang

    发明人： Aruna Zhamu ,  Jinjun Shi ,  Guorong Chen ,  Qing Fang ,  Bor Z. Jang

    IPC分类号： H01M4/583 ,  H01B1/04 ,  H01M4/505 ,  H01M4/525 ,  H01M4/485 ,  H01M4/50

    CPC分类号： H01M4/133 ,  B82Y30/00 ,  H01B1/04 ,  H01M4/0471 ,  H01M4/13 ,  H01M4/131 ,  H01M4/139 ,  H01M4/386 ,  H01M4/387 ,  H01M4/48 ,  H01M4/483 ,  H01M4/523 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525 ,  Y02E60/122

    摘要： A nano graphene-enhanced particulate for use as a lithium-ion battery anode active material, wherein the particulate is formed of a single sheet of graphene or a plurality of graphene sheets and a plurality of fine anode active material particles with a size smaller than 10 μm. The graphene sheets and the particles are mutually bonded or agglomerated into the particulate with at least a graphene sheet embracing the anode active material particles. The amount of graphene is at least 0.01% by weight and the amount of the anode active material is at least 0.1% by weight, all based on the total weight of the particulate. A lithium-ion battery having an anode containing these graphene-enhanced particulates exhibits a stable charge and discharge cycling response, a high specific capacity per unit mass, a high first-cycle efficiency, a high capacity per electrode volume, and a long cycle life.

    摘要翻译： 一种用作锂离子电池负极活性材料的纳米石墨烯增强颗粒，其中颗粒由单片石墨烯或多个石墨烯片和多个尺寸小于10的细阳极活性材料颗粒形成 μm。 石墨烯片和颗粒与至少包含阳极活性物质颗粒的石墨烯片相互结合或聚集成颗粒。 石墨烯的量为至少0.01重量％，阳极活性物质的量为至少0.1重量％，均基于颗粒的总重量。 具有包含这些石墨烯增强颗粒的阳极的锂离子电池表现出稳定的充放电循环响应，每单位质量的高比容量，高的第一循环效率，每电极体积的高容量和长的循环寿命 。

    Graphite or carbon particulates for the lithium ion battery anode
    28.
    发明申请
    Graphite or carbon particulates for the lithium ion battery anode 有权
    用于锂离子电池阳极的石墨或碳颗粒

    公开(公告)号：US20120021294A1

    公开(公告)日：2012-01-26

    申请号：US12804413

    申请日：2010-07-22

    申请人： Aruna Zhamu ,  Jinjun Shi ,  Guorong Chen ,  Qing Fang ,  Bor Z. Jang ,  Ming C. Wang

    发明人： Aruna Zhamu ,  Jinjun Shi ,  Guorong Chen ,  Qing Fang ,  Bor Z. Jang ,  Ming C. Wang

    IPC分类号： H01M4/58 ,  H01B1/04 ,  C01B31/04

    CPC分类号： H01B1/122 ,  C01B32/20 ,  H01M4/133 ,  H01M4/587 ,  H01M10/0525 ,  Y02T10/7011 ,  Y10T428/30

    摘要： This invention provides a graphite or graphite-carbon particulate for use as a lithium secondary battery anode material having a high-rate capability. The particulate is formed of a core carbon or graphite particle and a plurality of satellite carbon or graphite particles that are each separately bonded to the core particle wherein the core particle is spherical in shape, slightly elongate in shape with a major axis-to-minor axis ratio less than 2, or fibril in shape, and wherein the satellite particles are disc-, platelet-, or flake-like particles each containing a graphite crystallite with a crystallographic c-axis dimension Lc and a lateral dimension. Preferably, Lc is less than 100 nm and the flake/platelet lateral dimension is less than 1 μm. The core particle may be selected from natural graphite, artificial graphite, spherical graphite, graphitic coke, meso-carbon micro-bead, soft carbon, hard carbon, graphitic fibril, carbon nano-fiber, carbon fiber, or graphite fiber. Preferably, the flat-shaped particles are randomly oriented with respect to one another.

    摘要翻译： 本发明提供一种用作具有高速率能力的锂二次电池负极材料的石墨或石墨 - 碳颗粒。 颗粒由芯碳或石墨颗粒和多个卫星碳或石墨颗粒形成，每个卫星碳或石墨颗粒分别与核心颗粒结合，其中核心颗粒是球形的，具有略长的形状，具有长轴对次要的 轴比小于2，或原纤维形状，并且其中卫星颗粒是盘状，片状或片状颗粒，每个颗粒含有具有晶体c轴尺寸Lc和横向尺寸的石墨微晶。 优选地，Lc小于100nm，片/横板尺寸小于1μm。 核心颗粒可以选自天然石墨，人造石墨，球形石墨，石墨焦炭，内消旋碳微珠，软碳，硬碳，石墨原纤，碳纳米纤维，碳纤维或石墨纤维。 优选地，扁平形颗粒相对于彼此是随机取向的。

    Production of highly conductive graphitic films from polymer films
    29.
    发明申请
    Production of highly conductive graphitic films from polymer films 审中-公开
    从聚合物薄膜生产高导电性石墨膜

    公开(公告)号：US20160059444A1

    公开(公告)日：2016-03-03

    申请号：US14121387

    申请日：2014-08-29

    申请人： Yanbo Wang ,  Bor Z. Jang ,  David Burton ,  Lucy Fu ,  Aruna Zhamu

    发明人： Yanbo Wang ,  Bor Z. Jang ,  David Burton ,  Lucy Fu ,  Aruna Zhamu

    IPC分类号： B29C35/02 ,  C01B31/04

    CPC分类号： C01B31/04 ,  C01B32/20 ,  C01P2006/10 ,  C01P2006/32 ,  C01P2006/40

    摘要： A one-step (direct graphitization) process for producing a graphitic film, comprising directly feeding a precursor polymer film, without going through a carbonization step, to a graphitization zone preset at a graphitization temperature no less than 2,200° C. for a period of residence time sufficient for converting the precursor polymer film to a porous graphitic film having a density from 0.1 g/cm3 to 1.5 g/cm3 and retreating the porous graphitic film from the graphitization zone. Preferably, the precursor polymer film is selected from the group consisting of polyimide, polyamide, phenolic resin, polyoxadiazole, polybenzoxazole, polybenzobisoxazole, polythiazole, polybenzothiazole, polybenzobisthiazole, poly(p-phenylene vinylene), polybenzimidazole, polybenzobisimidazole, polyacrylonitrile, and combinations thereof. Preferably, the precursor polymer film contains an amount of graphene sheets or expanded graphite flakes, preferably from 1% to 90% by weight, sufficient for promoting or accelerating graphitization.

    摘要翻译： 用于生产石墨膜的一步（直接石墨化）方法，包括直接将前体聚合物膜直接进料到不经过碳化步骤的石墨化区域，石墨化区域以石墨化温度不低于2200℃预设一段时间 将前体聚合物膜转化为密度为0.1g / cm 3至1.5g / cm 3的多孔石墨膜，并从石墨化区域中回收多孔石墨膜的足够的停留时间。 优选地，前体聚合物膜选自聚酰亚胺，聚酰胺，酚醛树脂，聚恶二唑，聚苯并恶唑，聚苯并双恶唑，聚噻唑，聚苯并噻唑，聚苯并二噻唑，聚（对亚苯基亚乙烯基），聚苯并咪唑，聚苯并双咪唑，聚丙烯腈及其组合。 优选地，前体聚合物膜含有足以促进或加速石墨化的量的石墨烯片或膨胀石墨片，优选为1重量％至90重量％。