Patent application number | Description | Published |
20100040954 | ELECTROLYTE SALTS FOR NONAQUEOUS ELECTROLYTES - Metal complex salts may be used in lithium ion batteries. Such metal complex salts not only perform as an electrolyte salt in a lithium ion batteries with high solubility and conductivity, but also can act as redox shuttles that provide overcharge protection of individual cells in a battery pack and/or as electrolyte additives to provide other mechanisms to provide overcharge protection to lithium ion batteries. The metal complex salts have at least one aromatic ring. The aromatic moiety may be reversibly oxidized/reduced at a potential slightly higher than the working potential of the positive electrode in the lithium ion battery. The metal complex salts may also be known as overcharge protection salts. | 02-18-2010 |
20100330433 | FAST CURE GEL POLYMER ELECTROLYTES - Fast-cure gel polymer electrolytes are prepared by trapping an oligo(alkylene glycol)siloxane or silane in a three dimensional polymer matrix. An ion-conducting phase of the electrolyte contains a siloxane or silane compound and a lithium salt. Such siloxanes or silanes include a silicon or silicon oxide group having four or less substituents that is an oligo(alkylene glycol), or cyclic carbonate moiety. | 12-30-2010 |
20110076572 | NON-AQUEOUS ELECTROLYTES FOR ELECTROCHEMICAL CELLS - A non-aqueous electrolyte includes an ionic electrolyte salt, and a non-aqueous electrolyte solvent that includes a mixture of siloxane or a silane or a mixture thereof, a sulfone, and a fluorinated ether or fluorinated ester or a mixture thereof, an ionic liquid, or a carbonate. | 03-31-2011 |
20110104576 | LITHIUM-OXYGEN ELECTROCHEMICAL CELLS AND BATTERIES - A lithium-oxygen electrochemical cell of the invention comprises a lithium-containing anode, an oxygen-permeable cathode, a non-aqueous electrolyte comprising a lithium salt in a non-aqueous liquid between the anode and the cathode, and a source of gaseous oxygen in fluid communication with the cathode; the cathode comprising an oxygen-permeable support bearing carbon nanotubes having at least one open end. In some embodiments, the cell is rechargeable and the cathode includes a nanoparticulate catalyst in contact with the carbon nanotubes; wherein the catalyst is adapted to facilitate the reversible interconversion between oxygen gas and an oxygen anion e.g., oxide ion, peroxide ion, or a combination thereof, during charge and discharge of the cell. | 05-05-2011 |
20110294003 | POLYETHER-FUNCTIONALIZED REDOX SHUTTLE ADDITIVES FOR LITHIUM ION BATTERIES - Compounds may have general Formula I, II, or III: | 12-01-2011 |
20110294017 | REDOX SHUTTLES FOR LITHIUM ION BATTERIES - Compounds may have general Formula IVA or IVB. | 12-01-2011 |
20110294018 | REDOX SHUTTLES FOR HIGH VOLTAGE CATHODES - A compound has general Formula I, II, III, or IV: | 12-01-2011 |
20120082890 | NON-AQUEOUS ELECTROLYTES FOR ELECTROCHEMICAL CELLS - A electrolyte for a lithium battery includes a silane/siloxane compound represented by SiR | 04-05-2012 |
20120082903 | FUNCTIONALIZED IONIC LIQUID ELECTROLYTES FOR LITHIUM ION BATTERIES - An ionic liquid that is a salt has a Formula: | 04-05-2012 |
20120088160 | NON-AQUEOUS ELECTROLYTE FOR LITHIUM-ION BATTERY - The present technology relates to stabilizing additives and electrolytes containing the same for use in electrochemical devices such as lithium ion batteries and capacitors. The stabilizing additives include triazinane triones and bicyclic compounds comprising succinic anhydride, such as compounds of Formulas I and II described herein. | 04-12-2012 |
20120153219 | POLYSILOXANE BINDER FOR LITHIUM ION BATTERY ELECTRODES - An electrode includes a binder and an electroactive material, wherein the binder includes a polymer including a linear polysiloxane or a cyclic polysiloxane. The polymer may be generally represented by Formula I: | 06-21-2012 |
20130071761 | CATALYTIC CATHODE FOR LITHIUM-AIR BATTERIES - A process includes contacting a carbon support material with an oxidizing agent followed by the acid treatment to form a functionalized carbon support material including surface hydroxyl functionality; contacting the functionalized carbon support material with a solution of a catalyst precursor; and adjusting the pH of the solution to produce a carbon supported catalyst material including a metal oxide catalyst. | 03-21-2013 |
20130171484 | Materials and Methods for Autonomous Battery Shutdown - An autonomous battery shutdown system includes a battery including an anode and a cathode, and an electrolyte composition between the anode and the cathode. The electrolyte composition includes an ionically conductive liquid containing lithium ions, and temperature-sensitive particles including a polymer having a melting temperature between 60° C. and 120° C. When the temperature of the battery exceeds 120° C., the temperature-sensitive particles form an ion barrier that traverses the battery. The resulting shutdown battery may have a specific charge capacity that is more than 98% lower than the specific charge capacity of the original battery. | 07-04-2013 |
20130230783 | LI-AIR BATTERIES HAVING ETHER-BASED ELECTROLYTES - A lithium-air battery includes a cathode including a porous active carbon material, a separator, an anode including lithium, and an electrolyte including a lithium salt and polyalkylene glycol ether, where the porous active carbon material is free of a metal-based catalyst. | 09-05-2013 |
20140023932 | NON-AQUEOUS ELECTROLYTES FOR ELECTROCHEMICAL CELLS - An electrolyte electrochemical device includes an anodic material and an electrolyte, the electrolyte including an organosilicon solvent, a salt, and a hybrid additiving having a first and a second compound, the hybrid additive configured to form a solid electrolyte interphase film on the anodic material upon application of a potential to the electrochemical device. | 01-23-2014 |
20140023937 | ELECTROLYTES INCLUDING AN ORGANOSILICON SOLVENT AND PROPYLENE CARBONATE FOR LITHIUM ION BATTERIES - An electrolyte includes an organosilicon solvent, propylene carbonate, and a salt. | 01-23-2014 |
20140023941 | NON-AQUEOUS ELECTROLYTES FOR LITHIUM-AIR BATTERIES - A lithium-air cell includes a negative electrode; an air positive electrode; and a non-aqueous electrolyte which includes an anion receptor that may be represented by one or more of the formulas. | 01-23-2014 |
20140072884 | LITHIUM AIR BATTERY HAVING A CROSS-LINKED POLYSILOXANE SEPARATOR - A lithium-air battery includes a lithium anode; an air cathode; and a separator between the lithium anode and an air cathode the separator including a cross-linked polysiloxane. | 03-13-2014 |
20140186721 | NON-AQUEOUS ELECTROLYTE FOR LITHIUM-ION BATTERY - An electrolyte including an alkali metal salt; a polar aprotic solvent; and a triazinane trione; wherein the electrolyte is substantially non-aqueous. | 07-03-2014 |
20140212748 | ADVANCED SEPARATORS BASED ON AROMATIC POLYMER FOR HIGH ENERGY DENSITY LITHIUM BATTERIES - A process includes casting a solution including poly(phenylene oxide), inorganic nanoparticles, a solvent, and a non-solvent on a substrate; and removing the solvent to form a porous film; wherein: the porous film is configured for use as a porous separator for a lithium ion battery. | 07-31-2014 |
20140234703 | REDOX SHUTTLE ADDITIVES FOR LITHIUM-ION BATTERIES - An electro lye includes a compound of Formula I or IA: where each instance of R | 08-21-2014 |
20140255793 | FUNCTIONAL ELECTROLYTE FOR LITHIUM-ION BATTERIES - Functional electrolyte solvents include compounds having at least one aromatic ring with 2, 3, 4 or 5 substituents, at least one of which is a substituted or unsubstituted methoxy group, at least one of which is a tert-butyl group and at least one of which is a substituted or unsubstituted polyether or poly(ethylene oxide) (PEO) group bonded through oxygen to the aromatic ring, are provided. | 09-11-2014 |
20140255794 | SULFUR CATHODE HOSTED IN POROUS ORGANIC POLYMERIC MATRICES - A composite material includes a porous organic polymer and an electrochemically active material, wherein the porous organic polymer contains a plurality of pores having a diameter of from about 0.1 nm to about 100 nm, and the electrochemically active material is disposed within the pores. | 09-11-2014 |
20140272567 | ELECTROACTIVE COMPOSITIONS WITH POLY(ARYLENE OXIDE) AND STABILIZED LITHIUM METAL PARTICLES - An electroactive composition includes an anodic material; a poly(arylene oxide); and stabilized lithium metal particles; where the stabilized lithium metal particles have a size less than about 200 μm in diameter, are coated with a lithium salt, are present in an amount of about 0.1 wt % to about 5 wt %, and are dispersed throughout the composition. Lithium secondary batteries including the electroactive composition along with methods of making the electroactive composition are also discussed. | 09-18-2014 |
20140272607 | NON-AQUEOUS ELECTROLYTE FOR LITHIUM-ION BATTERY - A substantially non-aqueous electrolyte solution includes an alkali metal salt, a polar aprotic solvent, and an organophosphorus compound of Formula IA, IB, or IC: | 09-18-2014 |
20150037691 | REDOX SHUTTLES FOR LITHIUM ION BATTERIES - An electrolyte may include compounds of general Formula IVA or IVB. | 02-05-2015 |
20150050561 | HIGH VOLTAGE LITHIUM ION BATTERIES HAVING FLUORINATED ELECTROLYTES AND LITHIUM-BASED ADDITIVES - A lithium ion cell includes a cathode including a cathode active material having an operating voltage of 4.6 volts or greater; an anode including an anode material and a lithium additive including a lithium metal foil, lithium alloy, or an organolithium material; a separator; and an electrolyte. | 02-19-2015 |