Patent application number | Description | Published |
20090036302 | PROCESS FOR PRODUCING NANOPOROUS CARBIDE DERIVED CARBON WITH LARGE SPECIFIC SURFACE AREA - Processes for the synthesis of high specific surface area nanoporous carbons by reacting select carbides with one or more halogens to produce compositions comprising carbon and halogens and contacting the reacted carbides with a species capable of removing the halogen are provided. Methods for removing halogen impurities from carbon compositions having pores and for modifying the surface terminations of carbon compositions having pores are also provided. | 02-05-2009 |
20090213529 | Nanocellular high surface area material and methods for use and production thereof - Nanocellular high surface area materials of a carbon material with high surface area that is controllable and which exhibits high conductivity, controllable structure and a precisely controllable pore size and methods for production and use of these materials are provided. | 08-27-2009 |
20090258782 | MESOPOROUS CARBONS - Provided are products, systems, and methods relating to the removal of particles from fluid samples using mesoporous carbon materials. | 10-15-2009 |
20100012576 | NANOPOROUS CARBONACEOUS MEMBRANES AND RELATED METHODS - Disclosed are nanoporous carbonaceous membranes and related devices, along with associated methods. | 01-21-2010 |
20100028675 | PROCESS OF PURIFYING NANODIAMOND COMPOSITIONS AND APPLICATIONS THEREOF - The presence of large amounts of non-diamond carbon in detonation synthesized nanodiamond (ND) severely limits applications of this exciting nanomaterial. An environmentally-friendly process is disclosed to selectively remove sp | 02-04-2010 |
20110006218 | NANODIAMOND COMPOSITIONS AND METHODS OF MAKING AND USING THEREOF - Provided are functionalized nanodiamonds. Also provided are methods for fabricating such functionalized nanodiamonds. Also provided are composites including nanodiamonds and polymers. Also provided are methods for fabricating such composites including nanodiamonds and polymers. Also provided are electrospun fibers including nanodiamonds and polymers. Also provided are methods for fabricating such electrospun fibers including nanodiamonds and polymers. | 01-13-2011 |
20110128671 | SUPERCAPACITORS AND METHODS FOR PRODUCING SAME - Disclosed are microporous carbon compositions suitable for use in supercapacitor devices, which compositions comprise pores having an average characteristic cross-sectional dimension of less than about 1 nm. Also described are electrodes and electrochemical cells that utilize the disclosed compositions and methods of making the disclosed compositions. | 06-02-2011 |
20120088155 | ALGINATE-CONTAINING COMPOSITIONS FOR USE IN BATTERY APPLICATIONS - A silicon-based anode comprises an alginate-containing binder. The many carboxy groups of alginate bind to a surface of silicon, creating strong, rigid hydrogen bonds that withstand battery cycling. The alginate-containing binder provides good performance to the anode by (1) improving the capacity of the anode in comparison to other commercially-available binders, (2) improving Columbonic efficiency during charging and discharging cycles, and (3) improving stability during charging and discharging cycles. | 04-12-2012 |
20120321959 | ELECTRODES, LITHIUM-ION BATTERIES, AND METHODS OF MAKING AND USING SAME - Described herein are improved composite anodes and lithium-ion batteries made therefrom. Further described are methods of making and using the improved anodes and batteries. In general, the anodes include a porous composite having a plurality of agglomerated nanocomposites. At least one of the plurality of agglomerated nanocomposites is formed from a dendritic particle, which is a three-dimensional, randomly-ordered assembly of nanoparticles of an electrically conducting material and a plurality of discrete non-porous nanoparticles of a non-carbon Group 4A element or mixture thereof disposed on a surface of the dendritic particle. At least one nanocomposite of the plurality of agglomerated nanocomposites has at least a portion of its dendritic particle in electrical communication with at least a portion of a dendritic particle of an adjacent nanocomposite in the plurality of agglomerated nanocomposites. | 12-20-2012 |
20120328952 | ELECTRODES, LITHIUM-ION BATTERIES, AND METHODS OF MAKING AND USING SAME - Described herein are improved composite anodes and lithium-ion batteries made therefrom. Further described are methods of making and using the improved anodes and batteries. In general, the anodes include a porous composite having a plurality of agglomerated nanocomposites. At least one of the plurality of agglomerated nanocomposites is formed from a dendritic particle, which is a three-dimensional, randomly-ordered assembly of nanoparticles of an electrically conducting material and a plurality of discrete non-porous nanoparticles of a non-carbon Group 4A element or mixture thereof disposed on a surface of the dendritic particle. At least one nanocomposite of the plurality of agglomerated nanocomposites has at least a portion of its dendritic particle in electrical communication with at least a portion of a dendritic particle of an adjacent nanocomposite in the plurality of agglomerated nanocomposites. | 12-27-2012 |
20140193712 | ALGINATE-CONTAINING COMPOSITIONS FOR USE IN BATTERY APPLICATIONS - A silicon-based anode comprises an alginate-containing binder. The many carboxy groups of alginate bind to a surface of silicon, creating strong, rigid hydrogen bonds that withstand battery cycling. The alginate-containing binder provides good performance to the anode by (1) improving the capacity of the anode in comparison to other commercially-available binders, (2) improving Columbonic efficiency during charging and discharging cycles, and (3) improving stability during charging and discharging cycles. | 07-10-2014 |
20140287301 | ELECTROCHEMICAL ENERGY STORAGE DEVICES AND COMPONENTS - A battery electrode composition is provided comprising anode and cathode electrodes and an electrolyte ionically coupling the anode and the cathode. At least one of the electrodes may comprise a plurality of active material particles provided to store and release ions during battery operation. The electrolyte may comprise an aqueous metal-ion electrolyte ionically interconnecting the active material particles. Further, the plurality of active material particles may comprise a conformal, metal-ion permeable coating at the interface between the active material particles and the aqueous metal-ion electrolyte. The conformal, metal-ion permeable coating impedes water decomposition at the aforesaid at least one of the electrodes. | 09-25-2014 |
20150064568 | ELECTROLYTE OR ELECTRODE ADDITIVES FOR INCREASING METAL CONTENT IN METAL-ION BATTERIES - Metal-ion battery cells are provided that take advantage of the disclosed “doping” process. The cells may be fabricated from anode and cathode electrodes, a separator, and an electrolyte. A metal-ion additive may be incorporated into (i) one or more of the electrodes, (ii) the separator, or (iii) the electrolyte. The metal-ion additive provides additional donor ions corresponding to the metal ions stored and released by anode and cathode active material particles. An activation potential may then be applied to the anode and cathode electrodes to release the additional donor ions into the battery cell. | 03-05-2015 |
Patent application number | Description | Published |
20120202112 | STABILIZATION OF LI-ION BATTERY ANODES - Li-ion batteries are provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, a separator electrically separating the anode and the cathode, and at least one hydrofluoric acid neutralizing agent incorporated into the anode or the separator. Li-ion batteries are also provided that include a cathode, an anode comprising active particles, an electrolyte ionically coupling the anode and the cathode, and a separator electrically separating the anode and the cathode, where the electrolyte may be formed from a mixture of an imide salt and at least one salt selected from the group consisting of LiPF | 08-09-2012 |
20120244391 | Silicon-Based Anode and Method for Manufacturing the Same - A silicon-based anode comprising silicon, a carbon coating that coats the surface of the silicon, a polyvinyl acid that binds to at least a portion of the silicon, and vinylene carbonate that seals the interface between the silicon and the polyvinyl acid. Because of its properties, polyvinyl acid binders offer improved anode stability, tunable properties, and many other attractive attributes for silicon-based anodes, which enable the anode to withstand silicon cycles of expansion and contraction during charging and discharging. | 09-27-2012 |
20120251886 | CURVED TWO-DIMENSIONAL NANOCOMPOSITES FOR BATTERY ELECTRODES - A battery electrode composition is provided that comprises a composite material comprising one or more nanocomposites. The nanocomposites may each comprise a planar substrate backbone having a curved geometrical structure, and an active material forming a continuous or substantially continuous film at least partially encasing the substrate backbone. To form an electrode from the electrode composition, a plurality of electrically-interconnected nanocomposites of this type may be aggregated into one or more three-dimensional agglomerations, such as substantially spherical or ellipsoidal granules. | 10-04-2012 |
20120321961 | CARBON NANOTUBE ARRAY BONDING - Material compositions are provided that may comprise, for example, a vertically aligned carbon nanotube (VACNT) array, a conductive layer, and a carbon interlayer coupling the VACNT array to the conductive layer. Methods of manufacturing are provided. Such methods may comprise, for example, providing a VACNT array, providing a conductive layer, and bonding the VACNT array to the conductive layer via a carbon interlayer. | 12-20-2012 |
20130220974 | MICROPOROUS CARBONS WITH ALIGNED PORES FOR SUPERCAPACITORS - A microporous carbon matrix material composition for use in supercapacitor electrodes may be produced by depositing carbon on a sacrificial zeolite template via one of several methods (e.g., hydrothermal or solvo-thermal deposition, sub-atmospheric vapor phase deposition, or high-pressure infiltration of hydrocarbon vapors). The deposition produces a carbon-coated zeolite intermediary. A surface layer of carbon formed on the carbon-coated zeolite intermediary may then be refined and the refined carbon-coated zeolite intermediary may be etched to produce a microporous carbon matrix having a substantially uniform structure and substantially aligned pores. In some embodiments, the carbon-coated zeolite intermediary may be annealed after deposition. | 08-29-2013 |
20130224594 | Core-Shell Composites for Sulfur-Based Cathodes in Metal-Ion Batteries - A battery cathode electrode composition is provided comprising core-shell composites. Each of the composites may comprise a sulfur-based core and a multi-functional shell. The sulfur-based core is provided to electrochemically react with metal ions during battery operation to store the metal ions in the form of a corresponding metal-sulfide during discharging or charging of the battery and to release the metal ions from the corresponding metal-sulfide during charging or discharging of the battery. The multi-functional shell at least partially encases the sulfur-based core and is formed from a material that is (i) substantially permeable to the metal ions of the corresponding metal-sulfide and (ii) substantially impermeable to electrolyte solvent molecules and metal polysulfides. | 08-29-2013 |
20130344391 | MULTI-SHELL STRUCTURES AND FABRICATION METHODS FOR BATTERY ACTIVE MATERIALS WITH EXPANSION PROPERTIES - Battery electrode compositions are provided comprising core-shell composites. Each of the composites may comprise, for example, an active material, a collapsible core, and a shell. The active material may be provided to store and release metal ions during battery operation, whereby the storing and releasing of the metal ions causes a substantial change in volume of the active material. The collapsible core may be disposed in combination with the active material to accommodate the changes in volume. The shell may at least partially encase the active material and the core, the shell being formed from a material that is substantially permeable to the metal ions stored and released by the active material. | 12-26-2013 |
20140057179 | SCAFFOLDING MATRIX WITH INTERNAL NANOPARTICLES - A battery electrode composition is provided comprising composite particles, with each composite particle comprising active material and a scaffolding matrix. The active material is provided to store and release ions during battery operation. For certain active materials of interest, the storing and releasing of the ions causes a substantial change in volume of the active material. The scaffolding matrix is provided as a porous, electrically-conductive scaffolding matrix within which the active material is disposed. In this way, the scaffolding matrix structurally supports the active material, electrically interconnects the active material, and accommodates the changes in volume of the active material. | 02-27-2014 |
20140170503 | ELECTRODES FOR ENERGY STORAGE DEVICES WITH SOLID ELECTROLYTES AND METHODS OF FABRICATING THE SAME - A metal or metal-ion battery composition is provided that comprises anode and cathode electrodes along with an electrolyte ionically coupling the anode and the cathode. At least one of the electrodes includes active material particles provided to store and release ions during battery operation. Each of the active material particles includes internal pores configured to accommodate volume changes in the active material during the storing and releasing of the ions. The electrolyte comprises a solid electrolyte ionically interconnecting the active material particles. | 06-19-2014 |