Patent application number | Description | Published |
20090117020 | RAPID MICROWAVE-SOLVOTHERMAL SYNTHESIS AND SURFACE MODIFICATION OF NANOSTRUCTURED PHOSPHO-OLIVINE CATHODES FOR LITHIUM ION BATTERIES - The present invention includes methods, coatings, and a nanostructured phospho-olivine composition Li | 05-07-2009 |
20100183925 | Cation-Substituted Spinel Oxide and Oxyfluoride Cathodes for Lithium Ion Batteries - The present invention includes compositions and methods of making cation-substituted and fluorine-substituted spinel cathode compositions by firing a LiMn | 07-22-2010 |
20120125154 | NOVEL COMPOSITE ANODE MATERIALS FOR LITHIUM ION BATTERIES - The present invention provides compositions and methods of making Sn-MCx-C and Sb-MOx-C nanostructured anode compositions that exhibit excellent capacity retention with high capacity and rate capability that alleviate the volume expansion encountered with alloy anodes during the charge-discharge process. | 05-24-2012 |
20130040201 | HIGH CAPACITY LAYERED OXIDE CATHODS WITH ENHANCED RATE CAPABILITY - The present invention provides a surface modified cathode and method of making surface modified cathode with high discharge capacity and rate capability having a lithium-excess Li[M | 02-14-2013 |
20130164615 | CONDUCTIVE POLYMER-COATED, SHAPED SULFUR-NANOCOMPOSITE CATHODES FOR RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME - The present disclosure relates to a nanocomposite comprising shaped sulfur and a polymer layer coating the shaped sulfur. An alternative embodiment of the disclosure provides a method of synthesizing a nanocomposite. This method comprises forming a shaped sulfur. This may include preparing an aqueous solution of a sulfur-based ion and a micelle-forming agent, and adding a nucleating agent. The method further includes coating the shaped sulfur with a polymer layer. Another embodiment of the disclosure provides a cathode comprising nanocomposites of the present disclosure, and batteries incorporating such cathodes. | 06-27-2013 |
20130164625 | SULFUR-CARBON COMPOSITE CATHODES FOR RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME - This disclosure relates to a method of synthesizing a sulfur-carbon composite comprising forming an aqueous solution of a sulfur-based ion and carbon source, adding an acid to the aqueous solution such that the sulfur-based ion nucleates as sulfur upon the surface of the carbon source; and forming an electrically conductive network from the carbon source. The sulfur-carbon composite includes the electrically conductive network with nucleated sulfur. It also relates to a sulfur-carbon composite comprising a carbon-based material, configured such that the carbon-based material creates an electrically conductive network and a plurality of sulfur granules in electrical communication with the electrically conductive network, and configured such that the sulfur granules are reversibly reactive with alkali metal. It further relates to batteries comprising a cathode comprising such a carbon-based material along with an anode and an electrolyte. | 06-27-2013 |
20130164626 | BINDER-FREE SULFUR-CARBON NANOTUBE COMPOSITE CATHODES FOR RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME - The present disclosure includes a sulfur-carbon nanotube composite comprising a sheet of carbon nanotubes and sulfur nucleated upon the carbon nanotubes, and methods for synthesizing the same. In some embodiments, the sulfur-carbon composite may further be binder-free and include a sheet of carbon nanotubes, rendering a binder and a current collector unnecessary. In other embodiments of the present disclosure, a cathode comprising the sulfur-carbon nanotube composite is disclosed. In additional embodiments of the present disclosure, batteries may include the cathodes described herein. Those batteries may achieve high rate capabilities. | 06-27-2013 |
20140050973 | POROUS CARBON INTERLAYER FOR LITHIUM-SULFUR BATTERY - The present disclosure relates to an electrochemical cell including an anode, a sulfur-containing cathode, a lithium-ion-containing electrolyte, and a porous carbon interlayer disposed between the anode and the cathode. The interlayer may be permeable to the electrolyte. The interlayer may be formed from a multiwall carbon nanotube (MWCNT) or a microporous carbon paper (MCP). | 02-20-2014 |
20140162125 | ANODE MATERIALS FOR LITHIUM-ION BATTERIES - The current disclosure relates to an anode material with the general formula M | 06-12-2014 |
20140255795 | SULFUR-HYDROXYLATED GRAPHENE NANOCOMPOSITES FOR RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME - In one embodiment, the present disclosure provides a sulfur-hydroxylated graphene nanocomposite including at least one graphene sheet with a surface and a plurality of amorphous sulfur nanoparticles homogeneously distributed on the surface. The nanocomposite substantially lacks sulfur microparticles. In other embodiments, the disclosure provides a cathode and a battery containing the nanocomposite. In still another embodiment, the disclosure provides a method of making a sulfur-hydroxylated graphene nanocomposite by exposing a hydroxylated graphene to a sulfur-containing solution for a time sufficient to allow formation of homogeneously distributed sulfur nanoparticles on a surface of the hydroxylated graphene. | 09-11-2014 |
20140255797 | LITHIUM/DISSOLVED POLYSULFIDE RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME - In one embodiment, the present disclosure relates to a rechargeable Li—S battery including a cathode including a firbrous carbon material, a catholyte including a polysulfide, and an anode. In another embodiment, the present disclosure relates to a charged or partially charged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of elemental sulfur, a catholyte including high-order polysulfides having a general formula of Li | 09-11-2014 |
20140308583 | NANOCOMPOSITE ANODE MATERIALS FOR SODIUM-ION BATTERIES - The disclosure relates to an anode material for a sodium-ion battery having the general formula AO | 10-16-2014 |
20150050522 | LITHIUM-RICH LAYERED OXIDE CATHODES AND RECHARGEABLE BATTERIES CONTAINING LITHIUM-RICH LAYERED OXIDES - The present disclosure relates to an electrochemically active lithium-rich layered oxide having the general formula Li | 02-19-2015 |
20150318532 | BIFUNCTIONAL SEPARATORS FOR LITHIUM-SULFUR BATTERIES - The present disclosure relates to a lithium-sulfur rechargeable battery containing a lithium-containing anode, a sulfur-containing cathode, and a bifunctional separator having a microporous, conductive layer facing the cathode of the battery. The bifunctional separator can inhibit polysulfide diffusion and improve sulfur cathode material reutilization to improve cell cycling stability and discharge capacity. | 11-05-2015 |
20150325439 | GROWING CRYSTALLINE SEMICONDUCTOR OXIDE THIN FILMS ON A SUBSTRATE AT A LOW TEMPERATURE USING MICROWAVE RADIATION - A method for growing crystalline semiconductor oxide thin films. A substrate is coated with a conducting oxide (e.g., indium tin oxide). The coated substrate is immersed in a growth solution, such as a solution of a titanium-based sol-gel precursor combined with tetraethylene glycol. The coated substrate and the growth solution are heated in a microwave reactor via microwave radiation. Film growth of crystalline semiconductor oxide thin films (e.g., titanium dioxide thin films) are then catalyzed by microwave interaction with the conducting oxide on the substrate. Such a process enables crystalline semiconductor oxide thin films to be grown on a flexible or heat-sensitive substrate (e.g., plastic) using a low temperature in a fast and inexpensive manner. | 11-12-2015 |
20150349323 | CONDUCTIVE POLYMER-COATED, SHAPED SULFUR-NANOCOMPOSITE CATHODES FOR RECHARGEABLE LITHIUM-SULFUR BATTERIES AND METHODS OF MAKING THE SAME - The present disclosure relates to a nanocomposite comprising shaped sulfur and a polymer layer coating the shaped sulfur. An alternative embodiment of the disclosure provides a method of synthesizing a nanocomposite. This method comprises forming a shaped sulfur. This may include preparing an aqueous solution of a sulfur-based ion and a micelle-forming agent, and adding a nucleating agent. The method further includes coating the shaped sulfur with a polymer layer. Another embodiment of the disclosure provides a cathode comprising nanocomposites of the present disclosure, and batteries incorporating such cathodes. | 12-03-2015 |
20150349380 | ELECTROLYTE ADDITIVES FOR LITHIUM-SULFUR BATTERIES - The present disclosure relates to a lithium-sulfur rechargeable battery containing a lithium metal anode, a sulfur-containing cathode, and an electrolyte containing an additive of the formula M-X, where M is a transition metal and X is an anion, and where the additive helps form a passivation layer on the lithium metal anode. | 12-03-2015 |
Patent application number | Description | Published |
20120215011 | Aziridination of Olefins - A process for aziridination of olefins using NaIO4/alkali metal bromide/H | 08-23-2012 |
20120330031 | Process for the Preparation of Beta-Amino Alcohol - A high-yielding enantioselective synthesis of the bioactive (S)—N-(5-chlorothiophene-2-sulfonyl)- β,β-diethylalaniol (7.b.2), a Notch-1-sparing γ-secretase inhibitor metabolite (with EC | 12-27-2012 |
20140350276 | Phenolytic Kinetic Resolution of Azido and Alkoxy Epoxides - Disclosed herein is a single step catalytic process for the production of enantiomerically pure α-Aryloxy-α′-Azido/Alkoxy alcohols of formula (A). The invention, in particular discloses phenolytic kinetic resolution of racemic anti and syn azido/alkoxy epoxides to generate two stereocentres of high optical purities of formula (A). | 11-27-2014 |
20140357872 | NEW ORGANOCATALYTIC SYNTHESIS OF CHIRAL PYRAZOLIDINES AND THEIR ANALOGUES - Disclosed herein is a highly enantio—(75 to 98% ee)and diastereoselective (99 to 100% de)synthesis of functionalised pyrazolidines via tandem a-amination-Corey Chaykovsky reaction of alpha unsubstituted aldehydes. | 12-04-2014 |
20150025269 | PROCESS FOR PREPARATION OF ALKYNYL CARBOXYLIC ACIDS - The invention provides a simple, efficient, environmental friendly catalytic system for the direct carboxylation reaction using CO | 01-22-2015 |
20150031899 | CUCN-MEDIATED ONE POT PRODUCTION OF CINNAMONITRILE DERIVATIVES - The present invention discloses a cheaper and practical protocol for the construction of a wide variety of o-cyanocin-namonitrile and their structural analogues that proceeds with good yields in a single step using CuCN as the only reagent. | 01-29-2015 |
20150038714 | Process for Synthesis of Chiral 3-Substituted Tetrahydroquinoline Derivatives - The present invention relates to novel and concise process for the construction of chiral 3-substituted tetrahyroquinoline derivatives based on proline catalyzed asymmetric α-functionalization of aldehyde, followed by in situ reductive cyclization of nitro group under catalytic hydrogenation condition with high optical purities. Further the invention relates to conversion of derived chiral 3-substituted tetrahydroquinoline derivatives into therapeutic agents namely (−)-sumanirole (96% ee) and 1-[(S)-3-(di-methylamino)-3,4-dihydro-6,7-dimethoxy-quinolin-1(2H)-yl]propanone[(S)-903] (92% ee). | 02-05-2015 |
20150045564 | Cu-MEDIATED ANNULATION FOR THE EFFECTIVE SYNTHESIS OF 3-SUBSTITUTED PHTHALIDES - The present invention disclosed herein is a novel commercially feasible, one pot synthesis of library of 3-substituted phthalides of formula I via CuCN mediated oxidative cyclization in high yield. Formula I | 02-12-2015 |
20150210665 | ORGANOCATALYTIC PROCESS FOR ASYMMETRIC SYNTHESIS OF DECANOLIDES - The present invention discloses organocatalytic process for asymmetric synthesis of highly enantioselective decanolide compounds in high yield with >99% ee. Further, the present invention disclose cost effective, improved organocatalytic process for asymmetric synthesis of highly enantioselective decanolides compounds from non-chiral, cheap, easily available raw materials. | 07-30-2015 |