Patent application number | Description | Published |
20100127287 | ORGANIC LIGHT EMITTING DIODES WITH STRUCTURED ELECTRODES - A cathode that contain nanostructures that extend into the organic layer of an OLED has been described. The cathode can have an array of nanotubes or a layer of nanoclusters extending out from its surface. In another arrangement, the cathode is patterned and etched to form protruding nanostructures using a standard lithographic process. Various methods for fabricating these structures are provided, all of which are compatible with large-scale manufacturing. OLEDs made with these novel electrodes have greatly enhanced electron injection, have good environmental stability. | 05-27-2010 |
20100167118 | HIGH-DISCHARGE-RATE LITHIUM ION BATTERY - The present invention provides for a lithium ion battery and process for creating such, comprising higher binder to carbon conductor ratios than presently used in the industry. The battery is characterized by much lower interfacial resistances at the anode and cathode as a result of initially mixing a carbon conductor with a binder, then with the active material. Further improvements in cycleability can also be realized by first mixing the carbon conductor with the active material first and then adding the binder. | 07-01-2010 |
20100179243 | Biodegradable Synthetic Bone Composites - The invention provides for a biodegradable synthetic bone composition comprising a biodegradable hydrogel polymer scaffold comprising a plurality of hydrolytically unstable linkages, and an inorganic component; such as a biodegradable poly(hydroxyethylmethacrylate)/hydroxyapatite (pHEMA/HA) hydrogel composite possessing mineral content approximately that of human bone. | 07-15-2010 |
20120119155 | ELECTRONICALLY CONDUCTIVE POLYMER BINDER FOR LITHIUM-ION BATTERY ELECTRODE - A family of carboxylic acid group containing fluorene/fluorenon copolymers is disclosed as binders of silicon particles in the fabrication of negative electrodes for use with lithium ion batteries. These binders enable the use of silicon as an electrode material as they significantly improve the cycle-ability of silicon by preventing electrode degradation over time. In particular, these polymers, which become conductive on first charge, bind to the silicon particles of the electrode, are flexible so as to better accommodate the expansion and contraction of the electrode during charge/discharge, and being conductive promote the flow battery current. | 05-17-2012 |
20130253163 | ELECTRONICALLY CONDUCTIVE POLYMER BINDER FOR LITHIUM-ION BATTERY ELECTRODE - A family of carboxylic acid groups containing fluorene/fluorenon copolymers is disclosed as binders of silicon particles in the fabrication of negative electrodes for use with lithium ion batteries. Triethyleneoxide side chains provide improved adhesion to materials such as, graphite, silicon, silicon alloy, tin, tin alloy. These binders enable the use of silicon as an electrode material as they significantly improve the cycle-ability of silicon by preventing electrode degradation over time. In particular, these polymers, which become conductive on first charge, bind to the silicon particles of the electrode, are flexible so as to better accommodate the expansion and contraction of the electrode during charge/discharge, and being conductive promote the flow battery current. | 09-26-2013 |
20150034881 | ELECTRONICALLY CONDUCTIVE POLYMER BINDER FOR LITHIUM-ION BATTERY ELECTRODE - A family of carboxylic acid group containing fluorene/fluorenon copolymers is disclosed as binders of silicon particles in the fabrication of negative electrodes for use with lithium ion batteries. These binders enable the use of silicon as an electrode material as they significantly improve the cycle-ability of silicon by preventing electrode degradation over time. In particular, these polymers, which become conductive on first charge, bind to the silicon particles of the electrode, are flexible so as to better accommodate the expansion and contraction of the electrode during charge/discharge, and being conductive promote the flow battery current. | 02-05-2015 |
Patent application number | Description | Published |
20130260239 | Si Composite Electrode with Li Metal Doping for Advanced Lithium-ion Battery - A silicon electrode is described, formed by combining silicon powder, a conductive binder, and SLMP™ powder from FMC Corporation to make a hybrid electrode system, useful in lithium-ion batteries. In one embodiment the binder is a conductive polymer such as described in PCT Published Application WO 2010/135248 A1. | 10-03-2013 |
20130288126 | ELECTRONICALLY CONDUCTIVE POLYMER BINDER FOR LITHIUM-ION BATTERY ELECTRODE - A family of carboxylic acid groups containing fluorene/fluorenon copolymers is disclosed as binders of silicon particles in the fabrication of negative electrodes for use with lithium ion batteries. Triethyleneoxide side chains provide improved adhesion to materials such as, graphite, silicon, silicon alloy, tin, tin alloy. These binders enable the use of silicon as an electrode material as they significantly improve the cycle-ability of silicon by preventing electrode degradation over time. In particular, these polymers, which become conductive on first charge, bind to the silicon particles of the electrode, are flexible so as to better accommodate the expansion and contraction of the electrode during charge/discharge, and being conductive promote the flow battery current. | 10-31-2013 |
20130316230 | NANOSTRUCTURE SURFACE MODIFIED Cu THIN FILM FOR LITHIUM ION NEGATIVE ELECTRODE APPLICATION - A nanostructure on Cu comprising a plurality of Cu(OH) | 11-28-2013 |
20140370378 | Conductive Polymer and Si Nanoparticles Composite Secondary Particles and Structured Current Collectors for High Loading Lithium Ion Negative Electrode Application - Embodiments of the present invention disclose a composition of matter comprising a silicon (Si) nanoparticle coated with a conductive polymer. Another embodiment discloses a method for preparing a composition of matter comprising a plurality of silicon (Si) nanoparticles coated with a conductive polymer comprising providing Si nanoparticles, providing a conductive polymer, preparing a Si nanoparticle, conductive polymer, and solvent slurry, spraying the slurry into a liquid medium that is a non-solvent of the conductive polymer, and precipitating the silicon (Si) nanoparticles coated with the conductive polymer. Another embodiment discloses an anode comprising a current collector, and a composition of matter comprising a silicon (Si) nanoparticle coated with a conductive polymer. | 12-18-2014 |
20150044545 | LOW TEMPERATURE SULFUR AND SODIUM METAL BATTERY FOR GRID-SCALE ENERGY STORAGE APPLICATION - A re-chargeable battery comprising a non-dendrite forming sodium (Na)/potassium (K) liquid metal alloy anode, a sulfur and polyacrylonitrile (PAN) conductive polymer composite cathode, a polyethyleneoxide (PEO) solid electrolyte, a solid electrolyte interface (SEI) formed on the PEO solid electrolyte; and a cell housing, wherein the anode, cathode, and electrolyte are assembled into the cell housing with the PEO solid electrolyte disposed between the cathode and anode. | 02-12-2015 |
20150099191 | Co-solvents with High Coulombic Efficiency in Propylene Carbonate Based Electrolytes - A homologous series of cyclic carbonate or propylene carbonate (PC) analogue solvents with increasing length of linear alkyl substitutes were synthesized and used as co-solvents with PC for graphite based lithium ion half cells. A graphite anode reaches a capacity around 310 mAh/g in PC and its analogue co-solvents with 99.95% Coulombic efficiency. Cyclic carbonate co-solvents with longer alkyl chains are able to prevent exfoliation of graphite when used as co-solvents with PC. The cyclic carbonate co-solvents of PC compete for solvation of Li ion with PC solvent, delaying PC co-intercalation. Reduction products of PC on graphite surfaces via single-electron path form a stable Solid Electrolyte Interphase (SEI), which allows the reversible cycling of graphite. | 04-09-2015 |
20150144013 | Instrumentation to Dry-Deliver SLMP Particles to the Lithium-Ion Electrode - An embodiment of the invention describes an calendaring apparatus comprising a roller press comprising a first roller and a second roller, a static electricity generator, a motor drive system in communication with the first roller and the second roller to impart rotation to first roller and the second roller, wherein the static electricity generator imparts a static charge to a surface of the first roller, and a material holding tray for holding a material in communication with the first roller. | 05-28-2015 |
20150243996 | Electrical conductive polymer binder for Si alloy materials - A Poly(1-pyrenemethyl methacrylate-co-dopamine methacrylamide) PPyDMA polymer binder has been designed and fabricated, and has demonstrated an excellent performance for silicon (Si), graphite and a metal alloy anode materials. The PPyDMA polymer binder demonstrates the great potential of a catechol moiety for use in a lithium-ion battery. | 08-27-2015 |
20150311529 | ELECTRONICALLY CONDUCTIVE POLYMER BINDER FOR LITHIUM-ION BATTERY ELECTRODE - A family of carboxylic acid groups containing fluorene/fluorenon copolymers is disclosed as binders of silicon particles in the fabrication of negative electrodes for use with lithium ion batteries. Triethyleneoxide side chains provide improved adhesion to materials such as, graphite, silicon, silicon alloy, tin, tin alloy. These binders enable the use of silicon as an electrode material as they significantly improve the cycle-ability of silicon by preventing electrode degradation over time. In particular, these polymers, which become conductive on first charge, bind to the silicon particles of the electrode, are flexible so as to better accommodate the expansion and contraction of the electrode during charge/discharge, and being conductive promote the flow battery current. | 10-29-2015 |
20150364755 | Silicon Oxide (SiO) Anode Enabled by a Conductive Polymer Binder and Performance Enhancement by Stabilized Lithium Metal Power (SLMP) - Silicon alloys have the highest specific capacity when used as anode material for lithium-ion batteries, however, the drastic volume change inherent in their use causes formidable challenges toward achieving stable cycling performance. Large quantities of binders and conductive additives are typically necessary to maintain good cell performance. In one embodiment of the invention, only 2% (by weight) functional conductive polymer binder without any conductive additives was successfully used with a micron-size silicon monoxide (SiO) anode material, demonstrating stable and high gravimetric capacity (>1000 mAh/g) for ˜500 cycles and more than 90% capacity retention. Prelithiation of this anode using stabilized lithium metal powder (SLMP®) improves the first cycle Coulombic efficiency of a SiO/NMC full cell from ˜48% to ˜90%. This combination enables good capacity retention of more than 80% after 100 cycles at C/3 in a lithium-ion full cell. | 12-17-2015 |
Patent application number | Description | Published |
20160076344 | Combustion System of Composite Heat Carrier Generator - A combustion system of a composite heat carrier generator comprises combustion and vaporization chambers. The combustion chamber comprises a main body and a head portion connected thereto. The main body includes a housing having an outer shell and an inner bush that form a spiral cooling channel therebetween. A combustion cavity is formed in the inner bush. A plurality of spray holes penetrate the cooling channel and the combustion cavity. The head portion comprises an outer shell, a cyclone, and fuel receiving, fuel spray nozzle, water receiving, and air receiving nozzles. The fuel receiving and fuel spray nozzles are connected. The air receiving nozzle forms an air inlet cavity in communication with the fuel spray nozzle and the cyclone. The cyclone includes a pre-combustion chamber facing the fuel spray nozzle and a groove. The pre-combustion chamber receives a mixture of fuel and air, and the cyclone groove introduces air. | 03-17-2016 |
20160076759 | Combustion Apparatus of Composite Heat Carrier Generator - A combustion system of a composite heat carrier generator comprises combustion and vaporization chambers. The combustion chamber comprises a main body and a head portion connected thereto. The head portion comprises an outer shell, a cyclone, and fuel receiving, fuel spray nozzle, water receiving, and air receiving nozzles. The fuel receiving and fuel spray nozzles are connected. The air receiving nozzle forms an air inlet cavity in communication with the fuel spray nozzle and the cyclone. The cyclone includes a pre-combustion chamber facing the fuel spray nozzle and a groove. The pre-combustion chamber receives a mixture of fuel and air, and the cyclone groove introduces air. | 03-17-2016 |