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| Number | Title | Issue Date |
| 7993779 | Low conductivity carbon foam for a battery A carbon foam battery useful for electrical applications is disclosed which includes a relatively low conductivity low density high porosity carbon foam. ... | 08/09/2011 |
| 7722986 | Flexible, aqueous, controlled emission electrochemical cell The invention concerns an electrochromic cell in thin films and aqueous electrolyte, with an emissivity that varies as a function of an applied control voltage. It is formed of the following flexible elements, superimposed and respectively in intimate contact: ... | 05/25/2010 |
| 7682738 | Lead acid battery with gelled electrolyte formed by filtration action of absorbent separators and method for producing it A method for producing a lead acid battery that operates on the oxygen cycle is disclosed. The method includes the steps of: assembling a cell comprising a positive plate, a negative plate, and a sheet of separator material which is an absorbent, porous filtration m... | 03/23/2010 |
| 7501205 | Liquid low-sodium silicate electrolyte used for a storage battery and manufactured by magnetization process, and the usage thereof The present invention is related to a liquid low concentration sodium-containing silicate solution as electrolyte for lead-acid storage batteries and its applications. Such an electrolyte is prepared by mixing a silica gel containing 40˜60 wt % SiO2, the... | 03/10/2009 |
| 7353083 | Vanadium redox battery energy storage and power generation system incorporating and optimizing diesel engine generators A power generation system includes a vanadium redox battery that interfaces with a control system to optimize performance and efficiency. The power generation system may include one or more wind turbine generators and one or more diesel fuel generators. The control ... | 04/01/2008 |
| 7344801 | High-voltage dual electrolyte electrochemical power sources An electrochemical device such as a battery and a fuel cell having two electrolytes between the anode and the cathode. The electrochemical device is preferably arranged with an alkaline electrolyte in contact with the anode and an acidic electrolyte in contact with ... | 03/18/2008 |
| 7341806 | Battery having carbon foam current collector A battery cell includes a negative current collector and at least one carbon foam positive current collector disposed within the cell such that the negative current collector at least partially surrounds the at least one carbon foam positive current collector. An in... | 03/11/2008 |
| 7288338 | Mat of glass and other fibers and method for producing such mat A binderless glass fiber mat suitable for use as a separator for valve regulated (“recombinant”) lead acid (“VRLA”) batteries is disclosed. The separator is produced by a dry process by collecting the fibers from fiberizing apparatus, without subjecting them... | 10/30/2007 |
| 7270911 | Load leveling battery and methods therefor A load leveling battery (122) comprising an electrolyte that includes a cerium zinc redox pair wherein preferred electrolytes are acid electrolytes, and most preferably comprise methane sulfonic acid. Contemplated load leveling batteries (122) have an ... | 09/18/2007 |
| 7265456 | Power generation system incorporating a vanadium redox battery and a direct current wind turbine generator A power generation system includes a wind turbine generator and a vanadium redox battery to compensate for fluctuations in wind power. The wind turbine generator provides DC power that may be used to charge the vanadium redox battery. Generated DC power may also be ... | 09/04/2007 |
| 7258947 | Electrolyte for redox flow battery, and redox flow battery The present invention provides electrolyte that can suppress reduction of battery efficiencies and capacities with increased cycles of charge/discharge of the battery, a method for producing the same, and a redox flow battery using the same electrolyte. The redox fl... | 08/21/2007 |
| 7252905 | Lanthanide batteries A battery (100) comprises an electrolyte in which a lanthanide and zinc form a redox pair. Preferred electrolytes are acid electrolytes, and most preferably comprise methane sulfonic acid, and it is further contemplated that suitable electrolytes may include ... | 08/07/2007 |
| 7238744 | Ultrahigh molecular weight polyethylene articles and method of manufacture An article of manufacture comprises an ultrahigh molecular weight polyethylene (UHMWPE) mixed with a processing oil and a lubricant selected from the group consisting of fatty acid esters, ethoxylated fatty acid esters, glycol esters, PEG esters, glycerol esters, et... | 07/03/2007 |
| 7227275 | Method for retrofitting wind turbine farms A power generation system with a predetermined rating limit includes one or more wind turbine generators and a vanadium redox battery. The vanadium redox battery absorbs excess energy to ensure that the rating limit is not exceeded, provide system stability, and imp... | 06/05/2007 |
| 7181183 | Telecommunication system incorporating a vanadium redox battery energy storage system A telecommunication system incorporates a vanadium redox battery energy storage system. The vanadium redox battery energy storage system receives and is charged by DC power. Upon power interruption, telecommunication equipment relies on the vanadium redox battery en... | 02/20/2007 |
| 7160645 | Lead-acid battery having an organic polymer additive and process thereof A process for prolonging the life of a lead-acid battery by adding an organic polymer and ultra fine lignin to its electrolyte and then discharging the battery at a high current rate and the battery so produced. ... | 01/09/2007 |
| 7078123 | High energy density vanadium electrolyte solutions, methods of preparation thereof and all-vanadium redox cells and batteries containing high energy vanadium electrolyte solutions Disclosed is a method for preparing a high energy density (HED) electrolyte solution for use in an all-vanadium redox cell, a high energy density electrolyte solution, in particular an all-vanadium high energy density electrolyte solution, a redox cell, in particula... | 07/18/2006 |
| 7049026 | Apparatus for filling the case of a lead battery with components for forming a gelled electrolyte Apparatus for filling the case (20) of a lead battery of the open type or of the sealed type with gas recombination, the case being filled with components for forming a gelled electrolyte, and the apparatus being characterized in that it comprises: | 05/23/2006 |
| 7033703 | Composite material and current collector for battery A composite material including a first carbon foam structure including a network of pores and a second carbon foam structure including a network of pores. An intermediate bonding structure is disposed at least in part between the first and second carbon foam structu... | 04/25/2006 |
| 6979513 | Battery including carbon foam current collectors A battery having a current collector constructed of carbon foam. The carbon foam includes a network of pores into which a chemically active material is disposed to create either a positive or negative plate for the battery. The carbon foam resists corrosion and exhi... | 12/27/2005 |
| 6936373 | Monobloc battery having a number of interconnected electrochemical cells A monobloc battery including a plurality of interconnected electrochemical cells formed from electrodes and electrolyte and having end poles, wherein distances between selected cells and the end poles and, optionally, distances between the selected cells, are set su... | 08/30/2005 |
| 6929858 | Glass fibers Glass fibers are disclosed. The glass fibers can be used, for example, in a lead acid battery. ... | 08/16/2005 |
| 6921593 | Fuel additives for fuel cell A method of enhancing performance of liquid-type fuel cells by adding additives to the liquid fuel. For example, hemoglobin, surfactants, oxygen scavengers, and chelating agents, may be added to the fuel to resolve problems such as CO poisoning of catalyst, wettabil... | 07/26/2005 |
| 6899978 | Electrochemical cell An electrochemical cell having a positive electrode, a negative electrode and an electrolyte is dosed with an additive which acts on the negative electrode to reduce electrolysis and, hence, water consumption of the cell during the course of operation of the cell, i... | 05/31/2005 |
| 6896777 | Porous hydrophilic membranes Porous hydrophilic membranes comprising a porous inert support on which an ionomer is deposited, said membranes being characterized in that they have an ionic conductivity and a water permeability higher than 1 l/(h.m2.Atm). ... | 05/24/2005 |
| 6869731 | Electrolytic solution and electrochemical cell using the same The present invention relates to an electrolytic solution comprising an aqueous solution of an organic or inorganic acid whereto a water-soluble N-containing heterocyclic compound is added, and an electrochemical cell such as a secondary battery and an electric doub... | 03/22/2005 |
| 6824926 | Silica filled polymeric separator containing efficiency improving diatomite additives A battery element of a lead acid battery including a negative plate, a positive plate and a silica filled polyolefin separator having an additive associated with the separator that improves the overall efficiency of the lead acid battery. ... | 11/30/2004 |
| 6821681 | Electrochemical cells and an interchangeable electrolyte therefore An interchangeable electrolyte contains an additive that promotes interchangeable use between batteries and electroplating cells by limiting dendritic deposition in battery cells and promoting a smooth finish in an electroplating cell, such that fresh or spent elect... | 11/23/2004 |
| 6818355 | Silica filled polymeric separator containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive plate and a silica filled polymeric separator having a micronized metal inhibiting additive associated with the separator that reduces the detrimental effects of at least one cation meta... | 11/16/2004 |
| 6815118 | Valve regulated lead acid battery A valve-regulated lead acid (VRLA) battery cell (2,40) has positive and negative plates (10,11,41,42) separated by separator media (12,43) and held together under pressure. The separator is adapted to support therein an electrolyte. Each plate h... | 11/09/2004 |
| 6800395 | Secondary battery of proton conductive polymer A secondary battery of a proton conductive polymer, wherein a positive electrode and a negative electrode are arranged facing to each other via a separator in an electrolyte and only a proton or a proton of a hydroxyl group in an indole trimer and a π conjugated po... | 10/05/2004 |
| 6777131 | Negative plate for a lead acid battery containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a micronized metal inhibiting additive associated with the negative plate that reduces the detrimental effects of at least one cation metal impurity on the n... | 08/17/2004 |
| 6770401 | Battery separator containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive plate and a fiber mat separator having a micronized metal inhibiting additive associated with the fiber mat that reduces the detrimental effects of at least one cation metal impurity on ... | 08/03/2004 |
| 6733921 | Rechargeable electric battery A rechargeable electric battery including a plate block arranged in a plastic block box, positive and negative electrodes located in the box and electrically isolated by separators and conductively connected by sulfuric acid electrolyte, a cover for the box which ha... | 05/11/2004 |
| 6699615 | Electrical battery An electrical battery has a vessel accommodating an electrolyte, a positive electrode and a negative electrode arranged in the vessel at a distance from one another in contact with the electrolyte, and a partition arranged in the vessel between the electr... | 03/02/2004 |
| 6660425 | Catalyst design for VRLA batteries A catalyst device for use-with battery cells to recombine oxygen and hydrogen gas and thereby improve the performance and life of such cells. The catalyst device has the ability to filter out catalyst poisons and control the temperature of the recombinati... | 12/09/2003 |
| 6656234 | Tuning battery electrode porosity technical field A method is provided for manufacturing a battery 18 having battery electrodes 20 and 22 with a desired porosity, using an electrochemical model 42 and a thermal model 44, that includes determining energy and current requirements for a particular applicati... | 12/02/2003 |
| 6652819 | Production of high purity vanadium compound from vanadium-containing carbonaceous residues A process for the production of a vanadium compound from carbonaceous residues containing vanadium, which includes the steps of: (a) combusting the carbonaceous residues at a temperature of 500-690° C. in an oxygen-containing gas to form vanadium-containi... | 11/25/2003 |
| 6635386 | Process for producing an industrial electrolyte for lead storage batteries in the form of a thixotropic gel The problem of this invention is based on specifying a process for producing an industrial electrolyte that can be designed in the form of a thixotropic gel in the cells of lead storage batteries, with which large quantities of the liquids needed to fill ... | 10/21/2003 |
| 6593032 | Storage battery A storage battery including an electrode and an electrolyte material, in which the electrode has a grid with a mesh area of about 50 mm2 or less and an active material provided on the grid. Accordingly, it is made possible to prevent a decrease... | 07/15/2003 |
