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| Number | Title | Issue Date |
| 7943256 | Method for producing battery electrodes, electrodes produced by this method, and batteries containing such electrodes A method for producing at least one lead battery electrode, comprising the step of disposing an active paste on a support in such a manner as to form said electrode, and locating said electrode in a controlled atmosphere environment to expose said electrode to a gas... | 05/17/2011 |
| 7862931 | Lead-based alloy for lead-acid battery, substrate for lead-acid battery and lead-acid battery Provided is a lead-based alloy for a lead-acid battery, comprising not less than 0.02% and less than 0.05% by weight of calcium, not less than 0.4% and not more than 2.5% by weight of tin, not less than 0.005% and not more than 0.04% by weight of aluminum, not less ... | 01/04/2011 |
| 7358008 | Electrochemical device including electrolyte An electrochemical device comprising an electrolyte and at least one electrode plate, the electrochemical device having a metal part constituting the electrode plate or being connected to the electrode plate; the electrolyte comprising a solute and a solvent dissolv... | 04/15/2008 |
| 7309478 | Production of tetrabasic lead sulfate from solid state reactions for the preparation of active plates to be used in lead-acid batteries A solid state reaction method for the production of tetrabasic lead sulfate includes the steps of mixing a stoichiometric mixture of 3PbO.PbSO4.H2O and PbO and heating the stoichiometric mixture of 3PbO.PbSO4.H2O and PbO at a temperature between 500 and 700° C. for... | 12/18/2007 |
| 7118830 | Battery paste additive and method for producing battery plates A battery paste additive, and process for making the same comprising micronized seed crystals of tetra basic lead sulfate, is added to battery paste and results in accelerated curing time and other improvements in battery performance. The battery paste additive may ... | 10/10/2006 |
| 7105252 | Carbon coated battery electrodes A method for forming a corrosion resistant electrode for a battery includes supplying an electrode for use in the battery and exposing the electrode to an environment including vaporized carbon. At least some of the carbon from the environment may be transferred to ... | 09/12/2006 |
| 7060391 | Current collector structure and methods to improve the performance of a lead-acid battery A battery, a battery electrode structure, and methods to make the same. The product and method comprise applying a layer of lead-tin containing alloy to substrates for anodes or cathodes for lead-acid batteries, in which the substrates are porous or reticulated.... | 06/13/2006 |
| 7011805 | Production of tetrabasic lead sulfate from solid state reactions for the preparation of active plates to be used in lead-acid batteries The production of tetrabasic lead sulfate by means of solid state reactions at high temperatures allow the formation of powders having a particle size of less than 10 μm. In the methods the chemical reaction that takes place between lead oxide and different sulfate... | 03/14/2006 |
| 6979512 | Colloidal battery A battery is provided having cells, which cells contain an electrolyte and a colloid, with there being at least one connector between directly adjacent cells, with each cell being formed of at least one pair of component sections, with each of the component sections... | 12/27/2005 |
| 6949313 | Battery with a microcorrugated, microthin sheet of highly porous corroded metal Microthin sheet technology is disclosed by which superior batteries are constructed which, among other things, accommodate the requirements for high load rapid discharge and recharge, mandated by electric vehicle criteria. The microthin sheet technology has process ... | 09/27/2005 |
| 6833216 | Method of manufacturing a sulfated paste for use in a lead acid cell A method of manufacturing a sulfated paste for use in a lead acid battery cell comprises introducing sulfuric acid to an oxide of lead and subsequently introducing a tin-containing material. ... | 12/21/2004 |
| 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 |
| 6803151 | Electrode An electrode comprising a noble-metal free grid comprising lead, wherein the grid has an essentially PbO free PbO2 coating covering all, or essentially all of the surface of the grid. Also described is a method of forming an electrode, comprising applying... | 10/12/2004 |
| 6787266 | Battery plate and battery A battery, in which measures are taken to suppress a reduction in charge/discharge capacity and degradation of load characteristics due to peeling of an active material off the current collector during repeated charging and discharging, is disclosed. Boehmite treatm... | 09/07/2004 |
| 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 |
| 6755874 | Plate making process for lead acid battery A plate making process for a lead acid battery which eliminates the need for steaming and curing steps to produce the active material. Mixing, reacting and crystallizing occur in a closed reactor under controlled temperature and mixing conditions to produce a paste ... | 06/29/2004 |
| 6740452 | Process of forming a negative battery paste Provided for herein is a process of forming a negative battery paste comprising combining a barium containing material at least partially dissolved in a portion of water with an organic expander, carbon black, and a lead oxide containing material to form a first mix... | 05/25/2004 |
| 6733547 | Method of making a paste composition for lead acid battery A composition and plate-making process for a lead acid battery for reducing active material shrinkage in negative battery plates. A polymer is mixed with lead oxide, water, an expander and sulfuric acid to form a negative paste composition comprising the expander an... | 05/11/2004 |
| 6667130 | Recombinant lead-acid cell and long life battery A lead-acid cell includes a case, positive and negative plates within the case, microporous separator material between adjacent plates and electrolyte in a starved amount, with the case having jar and covers joined by a weldment along overlapping cover an... | 12/23/2003 |
| 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 |
| 6624108 | Vitrified carbon compositions Reticulated vitrified carbon compositions which contain particles of Cu, Sn, Zn, Pb, Ni, Fe, or alloys or mixtures thereof dispersed therein and reticulated vitreous carbon compositions wherein some or all of said metal or alloy particles have been conver... | 09/23/2003 |
| 6620551 | Positive plate current collector for lead storage battery and lead storage battery comprising the same A lead acid battery can be obtained which exhibits excellent life properties while keeping the level of self-discharging and electrolyte loss equal to that of those comprising a Pb--Ca alloy collector. In other words, the present invention lies in a positive c... | 09/16/2003 |
| 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 |
| 6579646 | Storage battery A lead-acid storage battery includes a positive electrode, a negative electrode and an electrolyte material. The foregoing negative electrode has a first grid with a first grid geometry and a first active material provided on the above first grid. The for... | 06/17/2003 |
| 6528211 | Carbon fiber material and electrode materials for batteries A battery electrode material composed of a composite material including fiber agglomerates having micro-pores and an electrode active material included within the micro-pores of the fiber agglomerates. The agglomerates are formed by tangled masses of vapo... | 03/04/2003 |
| 6517976 | Battery element containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.... | 02/11/2003 |
| 6517969 | Negative plate element for a lead acid battery containing efficiency improving additives A battery element of a lead acid battery including a negative plate, a positive and a separator having a metal inhibiting additive and an expander component associated with the negative plate that reduces the detrimental effects of at least one impurity o... | 02/11/2003 |
| 6514641 | Battery separator containing efficiency improving additives A recombinant battery element of a lead acid battery including a negative plate, a positive plate and a separator having an additive associated with the separator that improves the overall efficiency of the lead acid battery.... | 02/04/2003 |
| 6514639 | Negative plate element 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 metal inhibiting additive associated with a plate that reduces the detrimental effects of at least one impurity on the negative plate.... | 02/04/2003 |
| 6511771 | Negative plate element for a lead acid battery A battery element of a lead acid battery including a negative plate, a positive and a separator having a metal inhibiting additive having a plurality of chemically different functional groups and an expander component associated with the negative plate th... | 01/28/2003 |
| 6511775 | Separator containing efficiency improving additives for a lead acid batteries A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive associated with a plate that reduces the detrimental effects of at least one impurity on the negative plate.... | 01/28/2003 |
| 6509121 | Separator containing metal inhibiting additives for a lead acid battery A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive having a plurality of chemically different functional groups, associated with the separator that reduces the detriment... | 01/21/2003 |
| 6506522 | Battery separator element containing efficiency improving additives A recombinant battery element of a lead acid battery including a negative plate, a positive plate and a separator having an additive associated with the separator that improves the overall efficiency of the lead acid battery.... | 01/14/2003 |
| 6506521 | Battery separator containing efficiency improving additives for a lead acid battery A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.... | 01/14/2003 |
| 6479179 | Source of electrical power for an electric vehicle and other purposes, and related methods Microthin sheet technology is disclosed by which superior batteries are constructed which, among other things, accommodate the requirements for high load rapid discharge and recharge, mandated by electric vehicle criteria. The microthin sheet technology h... | 11/12/2002 |
| 6458489 | Lead acid battery with improved performance In a lead-acid battery with stress applied perpendicular to the plane of the electrodes, at least one of the elements chosen from among the positive electrode, the negative electrode and the electrolyte has been modified so that the quantity of sulfuric a... | 10/01/2002 |
| 6451485 | Electrical energy devices The performance of electrochemical energy devices such as batteries, fuel cells, capacitors and sensors is enhanced by the use of electrically conducting ceramic materials in the form of fibers, powder, chips and substrates.... | 09/17/2002 |
| 6440384 | Composition for storage battery cells and method for making same Composition of matter useful as an active mass of positive electrodes for a lead acid storage cell has an X-ray diffraction pattern substantially as shown in the. Figure. The matter is formed from lead-cadmium deposits using a methanesulfonic acid electro... | 08/27/2002 |
| 6379841 | Solid state electrochemical current source A cathode and a solid state electrochemical cell comprising said cathode, a solid anode and solid fluoride ion conducting electrolyte. The cathode comprises a metal oxide and a compound fluoride containing at least two metals with different valences. Repr... | 04/30/2002 |
| 6352795 | Lead battery with acid reservoirs mixed with active material in particles This invention concerns a method of increasing the available amount of acid at PAM and NAM in lead battery electrodes and still retain a short distance between the electrode surfaces. With mechanical support of PAM (for example in tubular batteries) in sp... | 03/05/2002 |
