公开(公告)号：US09640334B2

公开(公告)日：2017-05-02

申请号：US12657579

申请日：2010-01-25

申请人： Zhenning Yu ,  Jinjun Shi ,  Chen-guang Liu ,  Bor Z. Jang ,  Aruna Zhamu

发明人： Zhenning Yu ,  Jinjun Shi ,  Chen-guang Liu ,  Bor Z. Jang ,  Aruna Zhamu

IPC分类号： H01M4/133 ,  H01G9/00 ,  H01G11/36 ,  H01M4/583 ,  H01M4/587 ,  H01M16/00 ,  H01G11/26 ,  H01G11/40 ,  H01G11/50

CPC分类号： H01M16/003 ,  H01G11/26 ,  H01G11/36 ,  H01G11/40 ,  H01G11/50 ,  H01G11/52 ,  H01L31/022425 ,  H01L51/0048 ,  H01M4/133 ,  H01M4/382 ,  H01M4/583 ,  H01M4/587 ,  H01M12/005 ,  H01M16/00 ,  H01M2300/0045 ,  Y02E60/13

摘要： A flexible, asymmetric electrochemical cell comprising: (A) A sheet of graphene paper as first electrode comprising nano graphene platelets having a platelet thickness less than 1 nm, wherein the first electrode has electrolyte-accessible pores; (B) A thin-film or paper-like first separator and electrolyte; and (C) A thin-film or paper-like second electrode which is different in composition than the first electrode; wherein the separator is sandwiched between the first and second electrode to form a flexible laminate configuration. The asymmetric supercapacitor cells with different NGP-based electrodes exhibit an exceptionally high capacitance, specific energy, and stable and long cycle life.

公开(公告)号：US20110183180A1

公开(公告)日：2011-07-28

申请号：US12657579

申请日：2010-01-25

申请人： Zhenning Yu ,  Jinjun Shi ,  Chen-guang Liu ,  Bor Z. Jang ,  Aruna Zhamu

发明人： Zhenning Yu ,  Jinjun Shi ,  Chen-guang Liu ,  Bor Z. Jang ,  Aruna Zhamu

IPC分类号： H01M4/133 ,  H01G9/00

CPC分类号： H01M16/003 ,  H01G11/26 ,  H01G11/36 ,  H01G11/40 ,  H01G11/50 ,  H01G11/52 ,  H01L31/022425 ,  H01L51/0048 ,  H01M4/133 ,  H01M4/382 ,  H01M4/583 ,  H01M4/587 ,  H01M12/005 ,  H01M16/00 ,  H01M2300/0045 ,  Y02E60/13

摘要： A flexible, asymmetric electrochemical cell comprising: (A) A sheet of graphene paper as first electrode comprising nano graphene platelets having a platelet thickness less than 1 nm, wherein the first electrode has electrolyte-accessible pores; (B) A thin-film or paper-like first separator and electrolyte; and (C) A thin-film or paper-like second electrode which is different in composition than the first electrode; wherein the separator is sandwiched between the first and second electrode to form a flexible laminate configuration. The asymmetric supercapacitor cells with different NGP-based electrodes exhibit an exceptionally high capacitance, specific energy, and stable and long cycle life.

摘要翻译： 一种柔性的非对称电化学电池，包括：（A）一片石墨烯纸作为第一电极，其包含小于1nm的小片厚度的纳米石墨烯片晶，其中所述第一电极具有电解质可接近的孔; （B）薄膜或纸状第一分离器和电解质; 和（C）成分不同于第一电极的薄膜或纸状第二电极; 其中所述隔板夹在所述第一和第二电极之间以形成柔性层压结构。 具有不同NGP基电极的不对称超级电容器电池表现出特别高的电容，比能量以及稳定和长的循环寿命。

公开(公告)号：US08790814B2

公开(公告)日：2014-07-29

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： H01M10/05

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：US20120026643A1

公开(公告)日：2012-02-02

申请号：US12804911

申请日：2010-08-02

申请人： Zhenning Yu ,  David Neff ,  Chen-guang Liu ,  Bor Z. Jang ,  Aruna Zhamu

发明人： Zhenning Yu ,  David Neff ,  Chen-guang Liu ,  Bor Z. Jang ,  Aruna Zhamu

IPC分类号： H01G9/00

CPC分类号： H01G11/36 ,  H01G11/02 ,  H01G11/04 ,  H01G11/24 ,  H01G11/38 ,  H01G11/46 ,  Y02E60/13

摘要： A supercapacitor comprising a two electrodes, a porous separator disposed between the two electrodes, and an ionic liquid electrolyte in physical contact with the two electrodes, wherein at least one of the two electrodes comprises a meso-porous structure being formed of a plurality of nano graphene platelets and multiple pores having a pore size in the range of 2 nm and 25 nm, wherein the graphene platelets are not spacer-modified or surface-modified platelets. Preferably, the graphene platelets are curved, not flat-shaped. The pores are accessible to ionic liquid molecules, enabling the formation of large amounts of electric double layer charges in a supercapacitor, which exhibits an exceptionally high specific capacitance and high energy density.

摘要翻译： 一种超级电容器，包括两个电极，设置在所述两个电极之间的多孔隔离体和与所述两个电极物理接触的离子液体电解质，其中所述两个电极中的至少一个包括由多个纳米颗粒形成的中孔多孔结构 石墨烯血小板和孔径在2nm和25nm范围内的多个孔，其中石墨烯血小板不是间隔子改性的或表面改性的血小板。 优选地，石墨烯片晶是弯曲的，不是平坦的。 离子液体分子可以获得孔隙，使得能够在超级电容器中形成大量的双电层电荷，其表现出非常高的比电容和高能量密度。

公开(公告)号：US08947854B2

公开(公告)日：2015-02-03

申请号：US13573844

申请日：2012-10-09

申请人： Aruna Zhamu ,  Zhenning Yu ,  Chen-guang Liu ,  Bor Z. Jang

发明人： Aruna Zhamu ,  Zhenning Yu ,  Chen-guang Liu ,  Bor Z. Jang

IPC分类号： H01G9/00 ,  H01G11/36 ,  B82Y30/00

CPC分类号： H01G11/36 ,  B82Y30/00 ,  B82Y40/00 ,  H01G11/32 ,  Y02E60/13 ,  Y02T10/7022 ,  Y10S977/734 ,  Y10S977/932 ,  Y10S977/948

摘要： A spacer-modified nano graphene platelet electrode, comprising: (a) multiple nano graphene platelets or sheets having an average thickness smaller than 10 nm; and (b) discrete, non-metallic nano-scaled particles that are disposed between two graphene platelets or sheets to serve as a spacer. In such a spacer-modified graphene electrode, large amounts of electrolyte-accessible pores are formed, enabling the formation of large amounts of electric double layer charges in a supercapacitor, which exhibits an exceptionally high specific capacitance.

摘要翻译： 一种间隔物改性的纳米石墨烯片晶电极，包括：（a）平均厚度小于10nm的多个纳米石墨烯片晶或片; 和（b）分散的非金属纳米级粒子，其设置在两个石墨烯片晶片之间以用作间隔物。 在这种间隔物改性的石墨烯电极中，形成大量的电解质可接近的孔，使得能够在超级电容器中形成大量的双电层电荷，这表现出特别高的比电容。

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：US09362555B2

公开(公告)日：2016-06-07

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： H01M4/36 ,  H01M4/40 ,  H01M4/60 ,  H01M4/66 ,  H01M10/052 ,  B82Y30/00 ,  H01M4/02

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：US09053870B2

公开(公告)日：2015-06-09

申请号：US12804911

申请日：2010-08-02

申请人： Zhenning Yu ,  David Neff ,  Chen-guang Liu ,  Bor Z. Jang ,  Aruna Zhamu

发明人： Zhenning Yu ,  David Neff ,  Chen-guang Liu ,  Bor Z. Jang ,  Aruna Zhamu

IPC分类号： H01G11/36 ,  H01G11/02 ,  H01G11/04 ,  H01G11/46 ,  H01G11/38 ,  H01G11/24

CPC分类号： H01G11/36 ,  H01G11/02 ,  H01G11/04 ,  H01G11/24 ,  H01G11/38 ,  H01G11/46 ,  Y02E60/13

摘要： A supercapacitor comprising a two electrodes, a porous separator disposed between the two electrodes, and an ionic liquid electrolyte in physical contact with the two electrodes, wherein at least one of the two electrodes comprises a meso-porous structure being formed of a plurality of nano graphene platelets and multiple pores having a pore size in the range of 2 nm and 25 nm, wherein the graphene platelets are not spacer-modified or surface-modified platelets. Preferably, the graphene platelets are curved, not flat-shaped. The pores are accessible to ionic liquid molecules, enabling the formation of large amounts of electric double layer charges in a supercapacitor, which exhibits an exceptionally high specific capacitance and high energy density.

摘要翻译： 一种超级电容器，包括两个电极，设置在所述两个电极之间的多孔隔离体和与所述两个电极物理接触的离子液体电解质，其中所述两个电极中的至少一个包括由多个纳米颗粒形成的中孔多孔结构 石墨烯血小板和孔径在2nm和25nm范围内的多个孔，其中石墨烯血小板不是间隔子改性的或表面改性的血小板。 优选地，石墨烯片晶是弯曲的，不是平坦的。 离子液体分子可以获得孔隙，使得能够在超级电容器中形成大量的双电层电荷，其表现出非常高的比电容和高能量密度。

公开(公告)号：US08859143B2

公开(公告)日：2014-10-14

申请号：US12930294

申请日：2011-01-03

申请人： Aruna Zhamu ,  ChenGuang Liu ,  David Neff ,  Bor Z. Jang ,  Zhenning Yu

发明人： Aruna Zhamu ,  ChenGuang Liu ,  David Neff ,  Bor Z. Jang ,  Zhenning Yu

IPC分类号： H01M4/60 ,  H01M4/583 ,  H01M10/05 ,  H01M4/36 ,  H01M10/0565 ,  B82Y30/00 ,  H01M10/0566 ,  B82Y40/00 ,  H01M10/054 ,  H01M4/13 ,  H01M4/02 ,  H01M4/38

CPC分类号： H01M10/054 ,  B82Y30/00 ,  B82Y40/00 ,  H01M4/13 ,  H01M4/364 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/583 ,  H01M4/60 ,  H01M4/602 ,  H01M10/05 ,  H01M10/0565 ,  H01M10/0566 ,  H01M2004/021 ,  H01M2300/0025 ,  H01M2300/0085 ,  Y02E60/122 ,  Y02E60/13 ,  Y02T10/7011 ,  Y02T10/7022

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 (A) non-Li alkali metals; (B) alkaline-earth metals; (C) transition metals; (D) other metals such as aluminum (Al); or (E) a combination thereof; and wherein 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 said electrolyte, and wherein the operation of the battery device does not involve the introduction of oxygen from outside the device and does not involve the formation of a metal oxide, metal sulfide, metal selenide, metal telluride, metal hydroxide, or metal-halogen compound. 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，多孔隔膜和含金属离子的电解质，其中所述金属离子选自（A）非Li碱金属; （B）碱土金属; （C）过渡金属; （D）其他金属如铝（Al）; 或（E）其组合; 并且其中所述电极中的至少一个在所述器件的第一充电或放电循环之前包含金属离子源，并且至少所述阴极包括具有金属离子捕获官能团或金属离子的功能材料或纳米结构材料 并且其中电池装置的操作不涉及从装置外部引入氧气，并且不涉及形成金属氧化物，金属硫化物，金属硒化物，金属碲化物，金属 氢氧化物或金属卤素化合物。 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。