公开(公告)号：US09349542B2

公开(公告)日：2016-05-24

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 ,  H01G11/06 ,  H01M4/133 ,  H01M4/583 ,  H01M12/00 ,  H01M10/052 ,  H01M4/02

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.

公开(公告)号：US20150028263A1

公开(公告)日：2015-01-29

申请号：US13987450

申请日：2013-07-26

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

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

IPC分类号： H01M4/38 ,  H01M4/62

CPC分类号： H01M4/364 ,  H01M4/386 ,  H01M4/587 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/027

摘要： Disclosed is a facile and cost effective method of producing nano silicon powder or graphene-doped silicon nano powder having a particle size smaller than 100 nm. The method comprises: (a) preparing a silicon precursor/graphene nano composite; (b) mixing the silicon precursor/graphene nano composite with a desired quantity of magnesium; (c) converting the silicon precursor to form a mixture of graphene-doped silicon and a reaction by-product through a thermal and/or chemical reduction reaction; and (d) removing the reaction by-product from the mixture to obtain graphene-doped silicon nano powder.

摘要翻译： 公开了一种制造具有小于100nm的粒度的纳米硅粉末或石墨烯掺杂的硅纳米粉末的简便和成本有效的方法。 该方法包括：（a）制备硅前体/石墨烯纳米复合材料; （b）将硅前体/石墨烯纳米复合材料与所需量的镁混合; （c）通过热和/或化学还原反应转化硅前体以形成掺杂有石墨烯的硅和反应副产物的混合物; 和（d）从混合物中除去反应副产物以获得石墨烯掺杂的硅纳米粉末。

公开(公告)号：US20130302697A1

公开(公告)日：2013-11-14

申请号：US13506736

申请日：2012-05-14

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

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

IPC分类号： H01M4/64 ,  H01M10/054 ,  B82Y30/00

CPC分类号： H01M10/054 ,  B82Y30/00 ,  H01G11/36 ,  H01G11/56 ,  H01M4/0445 ,  H01M4/466 ,  H01M4/485 ,  H01M4/5815 ,  H01M4/5825 ,  H01M4/587 ,  H01M10/446 ,  Y02E60/122 ,  Y02E60/13

摘要： A magnesium-ion cell comprising (a) a cathode comprising a carbon or graphitic material as a cathode active material having a surface area to capture and store magnesium thereon, wherein the cathode forms a meso-porous structure having a pore size from 2 nm to 50 nm and a specific surface area greater than 50 m2/g; (b) an anode comprising an anode current collector alone or a combination of an anode current collector and an anode active material; (c) a porous separator disposed between the anode and the cathode; (d) electrolyte in ionic contact with the anode and the cathode; and (e) a magnesium ion source disposed in the anode to obtain an open circuit voltage (OCV) from 0.5 volts to 3.5 volts when the cell is made.

摘要翻译： 一种镁离子电池，其包含（a）包含碳或石墨材料作为阴极活性材料的阴极，所述阴极活性材料具有捕获并存储镁的表面积，其中所述阴极形成孔径为2nm至 50nm，比表面积大于50m2 / g; （b）阳极，其包括单独的阳极集电器和阳极集电器和负极活性材料的组合; （c）设置在阳极和阴极之间的多孔隔板; （d）与阳极和阴极离子接触的电解质; 和（e）设置在阳极中的镁离子源，以在制造电池时获得从0.5伏至3.5伏的开路电压（OCV）。

公开(公告)号：US20130224603A1

公开(公告)日：2013-08-29

申请号：US13385561

申请日：2012-02-27

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： H01M4/583 ,  H01M10/00 ,  H01M4/44 ,  H01M4/46 ,  H01M4/40 ,  H01M4/505 ,  H01M4/525 ,  H01M4/485 ,  H01M4/38 ,  H01M4/42 ,  B82Y30/00

CPC分类号： H01G11/50 ,  B82Y30/00 ,  H01M4/386 ,  H01M4/387 ,  H01M4/483 ,  H01M4/485 ,  H01M4/587 ,  H01M4/625 ,  Y02E60/13

摘要： A lithium-ion cell comprising: (A) a cathode comprising graphene as the cathode active material having a surface area to capture and store lithium thereon and wherein said graphene cathode is meso-porous having a specific surface area greater than 100 m2/g; (B) an anode comprising an anode active material for inserting and extracting lithium, wherein the anode active material is mixed with a conductive additive and/or a resin binder to form a porous electrode structure, or coated onto a current collector in a coating or thin film form; (C) a porous separator disposed between the anode and the cathode; (D) a lithium-containing electrolyte in physical contact with the two electrodes; and (E) a lithium source disposed in at least one of the two electrodes when the cell is made. This new Li-ion cell exhibits an unprecedentedly high energy density.

摘要翻译： 一种锂离子电池，包括：（A）包含石墨烯的阴极，所述阴极活性材料具有在其上捕获和储存锂的表面积，并且其中所述石墨烯阴极是比表面积大于100m 2 / g的中等孔; （B）包括用于插入和提取锂的负极活性材料的阳极，其中所述负极活性材料与导电添加剂和/或树脂粘合剂混合以形成多孔电极结构，或涂覆在涂层中的集电体上，或 薄膜形式; （C）设置在阳极和阴极之间的多孔隔板; （D）与两个电极物理接触的含锂电解质; 和（E）当制造电池时，设置在两个电极中的至少一个电极中的锂源。 这种新的锂离子电池表现出前所未有的高能量密度。

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。

公开(公告)号：US09580325B2

公开(公告)日：2017-02-28

申请号：US13999282

申请日：2014-02-06

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

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

IPC分类号： B82Y30/00 ,  B82Y40/00 ,  C01B31/04 ,  B32B37/24 ,  B32B38/00 ,  B29K105/00 ,  B29L7/00

CPC分类号： C01B32/19 ,  B29K2105/0061 ,  B29L2007/008 ,  B32B37/24 ,  B32B38/0036 ,  B82Y30/00 ,  B82Y40/00 ,  C01B31/043 ,  C01B32/184 ,  C01B32/192 ,  C01B32/194 ,  C01B2204/04 ,  C01B2204/22 ,  C01B2204/24 ,  C01B2204/26 ,  C09K5/14

摘要： A process for producing a highly oriented graphene film (HOGF), comprising: (a) preparing a graphene oxide (GO) dispersion having GO sheets dispersed in a fluid medium; (b) dispensing and depositing the dispersion onto a surface of a supporting substrate to form a layer of GO, wherein the dispensing and depositing procedure includes subjecting the dispersion to an orientation-inducing stress; (c) removing the fluid medium to form a dried layer of GO having an inter-plane spacing d002 of 0.4 nm to 1.2 nm; (d) slicing the dried layer of GO into multiple pieces of dried GO and stacking at least two pieces of dried GO to form a mass of multiple pieces of GO; and (f) heat treating the mass under an optional first compressive stress to produce the HOGF at a first heat treatment temperature higher than 100° C. to an extent that an inter-plane spacing d002 is decreased to a value less than 0.4 nm.

摘要翻译： 一种制备高取向石墨烯膜（HOGF）的方法，包括：（a）制备分散在流体介质中的GO片的氧化石墨烯（GO）分散体; （b）将分散体分配并沉积到支撑基底的表面上以形成一层GO，其中分配和沉积步骤包括使分散体经受定向诱导应力; （c）去除流体介质以形成具有0.4nm至1.2nm的平面间距d002的GO干燥层; （d）将干燥的GO层切成多个干燥的GO，并堆叠至少两片干燥的GO以形成多个GO块; 和（f）在任选的第一压缩应力下热处理所述物质，以在高于100℃的第一热处理温度下产生HOGF，使得平面间距d002减小到小于0.4nm的值。

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。

公开(公告)号：US20150217538A1

公开(公告)日：2015-08-06

申请号：US13999283

申请日：2014-02-06

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

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

IPC分类号： B32B9/04 ,  B32B38/00 ,  B32B37/24

CPC分类号： B32B9/04 ,  B32B5/00 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/182 ,  C01B32/23 ,  C01P2006/10 ,  C01P2006/32 ,  C01P2006/40 ,  C04B35/52 ,  C04B35/645 ,  C04B2235/5292 ,  C04B2235/604 ,  C04B2235/723 ,  C04B2235/787 ,  Y10T156/1075

摘要： A process for producing a bulk highly oriented graphene structure, comprising: (a) preparing a graphene oxide dispersion having graphene oxide (GO) sheets dispersed in a fluid medium; (b) dispensing and depositing the dispersion onto a surface of a supporting substrate to form a layer of GO, wherein the dispensing and depositing procedure includes subjecting the dispersion to an orientation-inducing stress; (c) removing the fluid medium to form a dried layer of GO having an inter-plane spacing d002 of 0.4 nm to 1.2 nm; (d) slicing the dried layer of GO into multiple pieces of dried GO and stacking at least two pieces of dried GO to form a mass of multiple pieces of GO; and (f) heat treating the mass under an optional first compressive stress to produce the highly oriented graphene structure at a first heat treatment temperature higher than 100° C. to an extent that an inter-plane spacing d002 is decreased to a value less than 0.4 nm.

摘要翻译： 一种用于制造块体高取向石墨烯结构的方法，包括：（a）制备分散在流体介质中的具有氧化石墨烯（GO）片的石墨烯氧化物分散体; （b）将分散体分配并沉积到支撑基底的表面上以形成一层GO，其中分配和沉积步骤包括使分散体经受定向诱导应力; （c）去除流体介质以形成具有0.4nm至1.2nm的平面间距d002的GO干燥层; （d）将干燥的GO层切成多个干燥的GO，并堆叠至少两片干燥的GO以形成多个GO块; 和（f）在任选的第一压缩应力下热处理所述材料，以在高于100℃的第一热处理温度下产生高度取向的石墨烯结构，使得平面间距d002减小到小于 0.4nm。

公开(公告)号：US08895189B2

公开(公告)日：2014-11-25

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： H01M4/133

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：US08765303B2

公开(公告)日：2014-07-01

申请号：US13506168

申请日：2012-04-02

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： H01M10/0525 ,  H01M4/133

CPC分类号： H01M4/133 ,  B82Y30/00 ,  H01M4/587 ,  H01M10/0525

摘要： A lithium-ion cell comprising: (A) a cathode comprising graphene as the cathode active material having a surface area to capture and store lithium thereon and wherein said graphene cathode is meso-porous having a specific surface area greater than 100 m2/g; (B) an anode comprising an anode active material for inserting and extracting lithium, wherein the anode active material is mixed with a conductive additive and/or a resin binder to form a porous electrode structure, or coated onto a current collector in a coating or thin film form; (C) a porous separator disposed between the anode and the cathode; (D) a lithium-containing electrolyte in physical contact with the two electrodes; and (E) a lithium source disposed in at least one of the two electrodes when the cell is made. This new Li-ion cell exhibits an unprecedentedly high energy density.

摘要翻译： 一种锂离子电池，包括：（A）包含石墨烯的阴极，所述阴极活性材料具有在其上捕获和存储锂的表面积，并且其中所述石墨烯阴极是比表面积大于100m 2 / g的中等孔; （B）包括用于插入和提取锂的负极活性材料的阳极，其中所述负极活性材料与导电添加剂和/或树脂粘合剂混合以形成多孔电极结构，或涂覆在涂层中的集电体上，或 薄膜形式; （C）设置在阳极和阴极之间的多孔隔板; （D）与两个电极物理接触的含锂电解质; 和（E）当制造电池时，设置在两个电极中的至少一个电极中的锂源。 这种新的锂离子电池表现出前所未有的高能量密度。