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| Number | Title | Issue Date |
| 8163430 | Synthesis of metal compounds under carbothermal conditions Active materials of the invention contain at least one alkali metal and at least one other metal capable of being oxidized to a higher oxidation state. Preferred other metals are accordingly selected from the group consisting of transition metals (defined as Groups ... | 04/24/2012 |
| 8129952 | Battery systems and operational methods This disclosure includes battery systems and operational methods. According to one aspect, a battery system includes conversion circuitry, a plurality of main terminals configured to be coupled with a load, a charger and a plurality of rechargeable battery modules w... | 03/06/2012 |
| 8057769 | Method for making phosphate-based electrode active materials The invention is directed to synthesizing a phosphate-based electrode active material. The method includes the step of reacting two or more starting materials collectively containing at least a PO33− anion, an alkali metal and a metal which i... | 11/15/2011 |
| 7986124 | Electrical systems, battery assemblies, and battery assembly operational methods Electrical systems, power supply apparatuses, and power supply operational methods are described. According to one aspect, an electrical system includes an electrical entity configured to utilize electrical energy, and wherein the electrical entity comprises a commu... | 07/26/2011 |
| 7960059 | Product and method for the processing of precursors for lithium phosphate active materials Methods for producing an electrode active material precursor, comprising; a) producing a mixture comprising particles of lithium hydrogen phosphate, having a first average particle size, and a metal hydroxide, having a second avera... | 06/14/2011 |
| 7960047 | Method and apparatus for monitoring and controlling an electrochemical cell An apparatus for monitoring and controlling at least one electrochemical cell is disclosed and described, having a cell management device in electrical communication with the electrochemical cell. The cell management device monitors the electrochemical cell and cont... | 06/14/2011 |
| 7901810 | Battery active materials and methods for synthesis Active materials for rechargeable batteries have a general formula Aa(MO)bM′cXO4 where A represents an alkali metal or mixture of alkali metals, a is greater than about 0.1 and less than or equal to ... | 03/08/2011 |
| 7808210 | Battery charge indication methods, battery charge monitoring devices, rechargeable batteries, and articles of manufacture Battery charge indication methods, battery state of charge monitoring devices, rechargeable batteries, and articles of manufacture are described. According to one aspect, a battery charge indication method includes first determining a state of charge of a battery at... | 10/05/2010 |
| 7790319 | Method for making electrode active material The present invention is directed to a method for making electrode active materials represented by the general formula: Aa(VO)bXO4, wherein: (a) A is an alkali metal or mi... | 09/07/2010 |
| 7771628 | Electrodes comprising mixed active particles Electrode active materials comprising two or more groups of particles having differing chemical compositions, wherein each group of particles comprises a material selected from: (a) materials of the formula A1 a | 08/10/2010 |
| 7767332 | Alkali/transition metal phosphates and related electrode active materials Electrode active materials comprising lithium or other alkali metals, a transition metal, and a phosphate or similar moiety, of the formula: Aa+xMbP1-xSixO4 wherein | 08/03/2010 |
| 7759008 | Sodium ion batteries Sodium ion batteries are based on sodium based active materials selected among compounds of the general formula AaMb(XY4)cZd, wherein A comprises sodium, M comprises one or more metals, comprising at least one m... | 07/20/2010 |
| 7723958 | Battery charge indication methods, battery charge monitoring devices, rechargeable batteries, and articles of manufacture Battery charge indication methods, battery state of charge monitoring devices, rechargeable batteries, and articles of manufacture are described. According to one aspect, a battery charge indication method includes first determining a state of charge of a battery at... | 05/25/2010 |
| 7719227 | Electrical energy supply methods and electrical energy power supplies Electrical energy supply methods and electrical energy power supplies are described. According to one aspect, an electrical energy supply method includes providing first and second battery assemblies individually configured to store electrical energy, coupling the f... | 05/18/2010 |
| 7718317 | Electrode active material and method of making the same The invention provides an electrochemical cell which includes a first electrode and a second electrode which is a counter electrode to said first electrode, and an electrolyte material interposed there between. The first electrode includes an alkali metal phosphorou... | 05/18/2010 |
| 7550098 | Synthesis of metal compounds under carbothermal conditions Active materials of the invention contain at least one alkali metal and at least one other metal capable of being oxidized to a higher oxidation state. Preferred other metals are accordingly selected from the group consisting of transition metals (defined as Groups ... | 06/23/2009 |
| 7524584 | Electrode active material for a secondary electrochemical cell The invention provides a novel polyanion-based electrode active material for use in a secondary or rechargeable electrochemical cell having a first electrode, a second electrode and an electrolyte. ... | 04/28/2009 |
| 7482097 | Alkali-transition metal phosphates having a +3 valence non-transition element and related electrode active materials This invention relates to electrode active materials, electrodes, and batteries. In particular, this invention relates to active materials comprising lithium or other alkali metals, transition metals, +3 oxidation state non-transition elements, and phosphates or sim... | 01/27/2009 |
| 7438992 | Lithium-based active materials and preparation thereof The invention provides novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides a rechargeable lithium battery which comprises an electrode formed fr... | 10/21/2008 |
| 7422823 | Alkali-iron-cobalt phosphates and related electrode active materials This invention relates to electrode active materials, electrodes, and batteries. In particular, this invention relates to active materials comprising lithium or other alkali metals, iron, cobalt, and other transition metals, and phosphates or similar moieties. ... | 09/09/2008 |
| 7348100 | Product and method for the processing of precursors for lithium phosphate active materials Methods for producing an electrode active material precursor, comprising: a) producing a mixture comprising particles of lithium hydrogen phosphate, having a first average particle size, and a metal hydroxide, having a second avera... | 03/25/2008 |
| 7338647 | Synthesis of cathode active materials The present invention relates to a method for preparing an electroactive metal polyanion or a mixed metal polyanion comprising forming a slurry comprising a polymeric material, a solvent, a polyanion source or alkali metal polyanion source and at least one metal ion... | 03/04/2008 |
| 7276218 | Methods of making transition metal compounds useful as cathode active materials A method for carrying out solid state reactions under reducing conditions is provided. Solid state reactants include at least one inorganic metal compound and a source of reducing carbon. The reaction may be carried out in a reducing atmosphere in the presence of re... | 10/02/2007 |
| 7270915 | Alkali/transition metal HALO-and hydroxy-phosphates and related electrode active materials The present invention relates to novel battery having a first electrode comprising an electrode active material represented by the general formula AaMb(XY4)2Zd, a second electrode which is a counter-electrode to... | 09/18/2007 |
| 7261977 | Lithium metal fluorophosphate and preparation thereof The invention provides new and novel lithium-metal-fluorophosphates which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides a rechargeable lithium battery which comprises an electrode ... | 08/28/2007 |
| 7214448 | Alkali/transition metal halo-and hydroxy-phosphates and related electrode active materials The present invention relates to novel electrode active materials represented by the general formula AaMb(XY4)2Zd, wherein: (a) A is one or more alkali metals, and 0 | 05/08/2007 |
| 7205067 | Method and apparatus for dissipation of heat generated by a secondary electrochemical cell The invention provides an electrochemical cell which includes a first electrode and a second electrode which is a counter electrode to the first electrode, and an electrolyte. The first electrode includes a polyanion-based electrode active material. The electrochemi... | 04/17/2007 |
| 7087346 | Alkali/transition metal phosphates and related electrode active materials Electrode active materials comprising lithium or other alkali metals, a transition metal, and a phosphate or similar moiety, of the formula: Aa+xMbP1−xSixO4 wherein ... | 08/08/2006 |
| 7060238 | Synthesis of metal phosphates The present invention relates to a method for preparing a metal phosphate which comprises milling in a carbonaceous vessel a lithium source, a phosphate source, such as LiH2PO4, and a metal oxide containing a metal ion wherein the metal ion is ... | 06/13/2006 |
| 7060206 | Synthesis of metal compounds under carbothermal conditions Active materials of the invention contain at least one alkali metal and at least one other metal capable of being oxidized to a higher oxidation state. Preferred other metals are accordingly selected from the group consisting of transition metals (defined as Groups ... | 06/13/2006 |
| 7041239 | Electrodes comprising mixed active particles Electrode active materials comprising two or more groups of particles having differing chemical compositions, wherein each group of particles comprises a material selected from: (a) materials of the formula A1aM1b(X... | 05/09/2006 |
| 7026072 | Lithium-based active materials and preparation thereof The invention provides novel lithium-mixed metal materials which, upon electrochemical interaction, release lithium ions, and are capable of reversibly cycling lithium ions. The invention provides a rechargeable lithium battery which comprises an electrode formed fr... | 04/11/2006 |
| 7019487 | Circuits, apparatuses, electrochemical device charging methods, and lithium-mixed metal electrode cell charging methods Circuits, apparatuses, electrochemical device charging methods, and lithium-mixed metal electrode cell charging methods are provided. According to one aspect, a circuit includes charging circuitry adapted to apply electrical energy to an electrochemical device to ch... | 03/28/2006 |
| 7008726 | Secondary battery electrode active materials and methods for making the same The invention provides an electrochemical cell which includes a first electrode and a second electrode which is a counter electrode to said first electrode, and an electrolyte material interposed there between. The first electrode comprises an electrode active mater... | 03/07/2006 |
