公开(公告)号：US11283104B2

公开(公告)日：2022-03-22

申请号：US13507057

申请日：2012-06-01

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

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

IPC分类号： H01M10/054 ,  H01M4/66 ,  H01M4/137 ,  H01M4/134 ,  H01M4/587 ,  H01M10/0525 ,  H01M4/133 ,  B82Y40/00 ,  B82Y30/00 ,  H01M4/02

摘要： A dual electroplating cell comprising: (a) an electrolyte component containing therein ions of a first metal; (b) a porous cathode current collector having surface areas to capture and store metal ions directly thereon, wherein the cathode current collector has a specific surface area greater than 100 m2/g that is in direct contact with said electrolyte; (c) a porous anode current collector having surface areas to capture and store metal ions thereon, wherein the anode current collector has a specific surface area greater than 100 m2/g that is in direct contact with the electrolyte; (d) a porous separator disposed between the anode and the cathode; and (e) an ion source of the first metal disposed in the anode current collector or the cathode current collector and in electronic contact therewith to obtain an open circuit voltage (OCV) from 0.3 volts to 3.5 volts when the cell is made.

公开(公告)号：US09558860B2

公开(公告)日：2017-01-31

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 ,  B82Y30/00 ,  H01M4/04 ,  H01M4/13 ,  H01M4/139 ,  H01M4/62 ,  H01M4/38 ,  H01M4/48 ,  H01M4/58

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 。

公开(公告)号：US09112210B2

公开(公告)日：2015-08-18

申请号：US13506778

申请日：2012-05-17

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： H01M10/0525 ,  H01M4/133 ,  B82Y30/00 ,  H01M4/60 ,  H01M10/052 ,  H01M4/36 ,  H01M4/587

CPC分类号： H01M4/133 ,  B82Y30/00 ,  H01M4/364 ,  H01M4/587 ,  H01M4/60 ,  H01M10/052 ,  Y02E60/122

摘要： A rechargeable lithium cell comprising: (a) an anode; (b) a cathode comprising a hybrid cathode active material composed of a graphene material and a phthalocyanine compound, wherein the graphene material is in an amount of from 0.1% to 99% by weight based on the total weight of the graphene material and the phthalocyanine compound combined; and (c) a porous separator disposed between the anode and the cathode and electrolyte in ionic contact with the anode and the cathode. 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）阳极; （b）包含由石墨烯材料和酞菁化合物组成的混合阴极活性材料的阴极，其中石墨烯材料的量为基于石墨烯材料和酞菁的总重量的0.1重量％至99重量％ 复合组合 和（c）设置在阳极和阴极之间的多孔隔离体和与阳极和阴极离子接触的电解质。 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。

公开(公告)号：US08765302B2

公开(公告)日：2014-07-01

申请号：US13134782

申请日：2011-06-17

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

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

IPC分类号： H01M4/13 ,  H01M10/052 ,  H01M4/587 ,  C01G31/02 ,  H01M4/485 ,  H01M4/58 ,  H01M4/36 ,  B82Y30/00 ,  H01M4/76 ,  H01M4/62 ,  H01M4/48 ,  C01G31/00 ,  H01M4/02

CPC分类号： H01M10/052 ,  B82Y30/00 ,  C01G31/00 ,  C01G31/02 ,  C01P2004/03 ,  C01P2004/17 ,  C01P2004/24 ,  C01P2004/61 ,  C01P2004/64 ,  C01P2006/40 ,  H01M4/362 ,  H01M4/483 ,  H01M4/485 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/625 ,  H01M4/76 ,  H01M2004/028 ,  Y02E60/122

摘要： A nano graphene-enabled vanadium oxide composite composition for use as a lithium battery cathode active material, wherein the composite composition is formed of one or a plurality of graphene, graphene oxide, or graphene fluoride sheets or platelets and a plurality of nano-particles, nano-rods, nano-wires, nano-sheets, and/or nano-belts of a vanadium oxide with a size smaller than 100 nm (preferably smaller than 20 nm, further preferably smaller than 10 nm, and most preferably smaller than 5 nm), and wherein the graphene, graphene oxide, or graphene fluoride (having a thickness

摘要翻译： 一种用作锂电池正极活性材料的纳米石墨烯氧化钒复合材料组合物，其中该复合组合物由一个或多个石墨烯，氧化石墨烯或氟化石墨烯薄片或片状微粒和多个纳米颗粒形成， 尺寸小于100nm（优选小于20nm，进一步优选小于10nm，最优选小于5nm）的氧化钒的纳米棒，纳米线，纳米片和/或纳米带 ），并且其中所述石墨烯，氧化石墨烯或氟化石墨烯（厚度<20nm，优选<10nm，进一步优选<5nm，最优选单层或小于5层）的量为 基于石墨烯，氧化石墨烯或氟化石墨烯和氧化钒的总重量，为0.01重量％至50重量％（优选<10重量％）。 这种电极材料表现出前所未有的优异的比容量，容量保持率和速率能力特性的组合。

公开(公告)号：US20140072871A1

公开(公告)日：2014-03-13

申请号：US13573275

申请日：2012-09-07

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

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

IPC分类号： H01M4/60 ,  B82Y30/00

CPC分类号： H01M4/36 ,  B82Y30/00 ,  H01M4/405 ,  H01M4/602 ,  H01M4/663 ,  H01M10/052 ,  H01M2004/021 ,  Y02E60/122 ,  Y02T10/7011

摘要： A rechargeable lithium cell comprising: (a) an anode comprising an anode active material; (b) a cathode comprising a hybrid cathode active material composed of an electrically conductive substrate and a phthalocyanine compound chemically bonded to or immobilized by the conductive substrate, wherein the phthalocyanine compound is in an amount of from 1% to 99% by weight based on the total weight of the conductive substrate and the phthalocyanine compound combined; and (c) electrolyte or a combination of electrolyte and a porous separator, wherein the separator is disposed between the anode and the cathode and the electrolyte is in ionic contact with the anode and the cathode. This secondary cell exhibits a long cycle life, 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）包含阳极活性材料的阳极; （b）阴极，其包含由导电性基材和由所述导电性基材化学结合或固定的酞菁化合物构成的混合阴极活性物质，其中，所述酞菁化合物的量为1〜99重量％，基于 导电基体和酞菁化合物的总重量合并; 和（c）电解质或电解质和多孔分离器的组合，其中分离器设置在阳极和阴极之间，并且电解质与阳极和阴极离子接触。 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，最佳阴极比容量和最佳电池级比能。

公开(公告)号：US20140030590A1

公开(公告)日：2014-01-30

申请号：US13507739

申请日：2012-07-25

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

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

IPC分类号： H01M4/583 ,  H01M4/64 ,  H01M4/66 ,  H01B1/02 ,  H01B1/12 ,  H01G9/00 ,  H01M4/62 ,  H01B1/04 ,  B82Y30/00

CPC分类号： H01B1/04 ,  B82Y30/00 ,  B82Y40/00 ,  H01G11/32 ,  H01G11/36 ,  H01M4/0402 ,  H01M4/366 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/054 ,  Y02E60/13

摘要： Disclosed is an electrode for an electrochemical energy storage device, the electrode comprising a self-supporting layer of a mixture of graphene sheets and spacer particles and/or binder particles, wherein the electrode is prepared without using water, solvent, or liquid chemical. The graphene electrode prepared by the solvent-free process exhibits many desirable features and advantages as compared to the corresponding electrode prepared by a known wet process. These advantages include a higher electrode specific surface area, higher energy storage capacity, improved or higher packing density or tap density, lower amount of binder required, lower internal electrode resistance, more consistent and uniform dispersion of graphene sheets and binder, reduction or elimination of undesirable effect of electrolyte oxidation or decomposition due to the presence of water, solvent, or chemical, etc.

摘要翻译： 公开了一种用于电化学能量存储装置的电极，所述电极包括石墨烯片和间隔颗粒和/或粘合剂颗粒的混合物的自支撑层，其中所述电极在不使用水，溶剂或液体化学品的情况下制备。 与通过已知的湿法制备的相应电极相比，通过无溶剂方法制备的石墨烯电极表现出许多期望的特征和优点。 这些优点包括较高的电极比表面积，较高的能量储存能力，提高或更高的填充密度或振实密度，较少量的粘合剂所需，较低的内部电极电阻，更一致和均匀的石墨烯片和粘合剂分散，减少或消除 由于存在水，溶剂或化学品等导致的电解质氧化或分解的不良影响

公开(公告)号：US20130271085A1

公开(公告)日：2013-10-17

申请号：US13506324

申请日：2012-04-12

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

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

IPC分类号： H02J7/00 ,  H01M10/02 ,  B82Y30/00 ,  B82Y99/00

CPC分类号： H01M4/1393 ,  B82Y30/00 ,  H01G11/50 ,  H01M4/0445 ,  H01M4/133 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/483 ,  H01M4/587 ,  H01M10/0525 ,  H01M10/44 ,  H01M2004/028 ,  Y02E60/13

摘要： A method of operating a lithium-ion cell comprising (a) a cathode comprising a carbon or graphitic material having a surface area to capture and store lithium thereon; (b) an anode comprising an anode active material; (c) a porous separator disposed between the two electrodes; (d) an electrolyte in ionic contact with the two electrodes; and (e) a lithium source disposed in at least one of the two electrodes to obtain an open circuit voltage (OCV) from 0.5 volts to 2.8 volts when the cell is made; wherein the method comprises: (A) electrochemically forming the cell from the OCV to either a first lower voltage limit (LVL) or a first upper voltage limit (UVL), wherein the first LVL is no lower than 0.1 volts and the first UVL is no higher than 4.6 volts; and (B) cycling the cell between a second LVL and a second UVL.

摘要翻译： 一种操作锂离子电池的方法，包括（a）包含具有表面积以捕获并存储锂的表面积的碳或石墨材料的阴极; （b）包含阳极活性材料的阳极; （c）设置在两个电极之间的多孔分离器; （d）与两个电极离子接触的电解质; 以及（e）设置在所述两个电极中的至少一个电极中的锂源，以在制造所述电池时获得从0.5伏特至2.8伏特的开路电压（OCV）; 其中所述方法包括：（A）将所述电池从所述OCV电化学形成至第一低电压极限（LVL）或第一上限电压（UVL），其中所述第一LVL不低于0.1伏，所述第一UVL为 不高于4.6伏; 和（B）在第二LVL和第二UVL之间循环细胞。

公开(公告)号：US20130212409A1

公开(公告)日：2013-08-15

申请号：US13385245

申请日：2012-02-10

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

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

IPC分类号： G06F1/26 ,  H02J7/00

CPC分类号： H02J7/00 ,  G06F1/263

摘要： This invention provides a portable computing device powered by a surface-mediated cell (SMC)-based power source, the portable device comprising a computing hardware sub-system and a rechargeable power source electrically connected to the hardware and providing power thereto, wherein the power source contains at least a surface-mediated cell. The portable computing device is selected from a laptop computer, a tablet, an electronic book (e-book), a smart phone, a mobile phone, a digital camera, a hand-held calculator or computer, or a personal digital assistant.

摘要翻译： 本发明提供一种由基于表面介质小区（SMC）的电源供电的便携式计算设备，该便携式设备包括电连接到硬件并向其供电的计算硬件子系统和可再充电电源，其中功率 源至少包含表面介导的细胞。 便携式计算设备选自膝上型计算机，平板电脑，电子书（电子书），智能电话，移动电话，数字照相机，手持计算器或计算机或个人数字助理。

公开(公告)号：US20130202945A1

公开(公告)日：2013-08-08

申请号：US13385105

申请日：2012-02-03

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

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

IPC分类号： H01M4/587 ,  H01M10/056 ,  H01M10/0525 ,  B82Y30/00

CPC分类号： H01M4/587 ,  B82Y30/00 ,  H01G11/50 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  Y02E60/13 ,  Y02T10/7011 ,  Y02T10/7022

摘要： A surface-mediated cell (SMC) comprising: (a) a cathode comprising a carbon-based cathode active material having a surface area to capture or store lithium thereon; (b) an anode comprising an anode current collector alone, or combined anode current collector and anode active material; (c) a porous separator disposed between the anode and the cathode; (d) a lithium-containing electrolyte, wherein the anode and/or cathode active material has a specific surface area no less than 100 m2/g in direct physical contact with the electrolyte to receive lithium ions therefrom or to provide lithium ions thereto; and (e) a lithium source disposed in at least one of the two electrodes when the cell is made, and the cell has an open-circuit voltage (OCV) of at least 0.8 volts; wherein the cell operates between a lower voltage limit lower than the OCV and an upper limit of between 3.8 and 4.5 volts.

摘要翻译： 一种表面介导的细胞（SMC），包括：（a）包含具有在其上捕获或储存锂的表面积的碳基阴极活性材料的阴极; （b）阳极，其包括单独的阳极集电器和阳极活性材料; （c）设置在阳极和阴极之间的多孔隔板; （d）含锂电解质，其中所述阳极和/或阴极活性材料与所述电解质直接物理接触以从其中接收锂离子或提供锂离子，其比表面积不小于100m 2 / g; 以及（e）当制造电池时设置在两个电极中的至少一个中的锂源，并且电池具有至少0.8伏的开路电压（OCV）; 其中所述电池在低于所述OCV的较低电压限制和3.8至4.5伏特的上限之间工作。

公开(公告)号：US20130162216A1

公开(公告)日：2013-06-27

申请号：US13374321

申请日：2011-12-21

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

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

IPC分类号： H02J7/00 ,  H01M10/02

CPC分类号： H01G11/06 ,  H01M4/133 ,  H01M4/583 ,  H01M10/052 ,  H01M12/005 ,  H01M2004/021 ,  H02J7/00 ,  Y02E60/122 ,  Y02E60/13

摘要： An energy storage stack of at least two surface-mediated cells (SMCs) internally connected in parallel or in series. The stack includes: (A) At least two SMC cells, each consisting of (i) a cathode comprising a porous cathode current collector and a cathode active material; (ii) a porous anode current collector; and (iii) a porous separator disposed between the cathode and the anode; (B) A lithium-containing electrolyte in physical contact with all the electrodes, wherein the cathode active material has a specific surface area no less than 100 m2/g in direct physical contact with the electrolyte to receive lithium ions therefrom or to provide lithium ions thereto; and (C) A lithium source. This new-generation energy storage device exhibits the highest power densities of all energy storage devices, much higher than those of all the lithium ion batteries, lithium ion capacitors, and supercapacitors.

摘要翻译： 至少两个平行或串联连接的表面介质细胞（SMC）的储能堆叠。 所述堆叠包括：（A）至少两个SMC单元，每个由以下组成：（i）包括多孔阴极集电器和阴极活性材料的阴极; （ii）多孔阳极集电器; 和（iii）设置在阴极和阳极之间的多孔隔板; （B）与所有电极物理接触的含锂电解质，其中所述正极活性物质与所述电解质直接物理接触时的比表面积不小于100m 2 / g，以接收锂离子或提供锂离子 到; 和（C）锂源。 这种新一代储能装置表现出所有储能装置的功率密度最高，远高于所有锂离子电池，锂离子电容器和超级电容器的功率密度。