Class 205/63 - Lead-containing active material

Subclass of Class 205 - Electrolysis: processes, compositions used therein, and methods of preparing the compositions
Definition: Subject matter wherein the active material contains lead
No. of patents: 36
Last issue date: 05/04/2004

Number	Title	Issue Date
5660600	Batteries and materials useful therein Batteries based on lead chemistry, e.g., lead-acid batteries, are substantially improved through the use of a particular positive material. This material is formed by the electrochemical conversion of tetrabasic lead sulfate (TTB) where this TTB is synthe...	08/26/1997
5368960	Utilization efficiencies by using high sulfate starting materials The battery system and process of the present invention enables the increase of the specific energy of the lead-acid battery by using new starting pastes which will allow significantly higher utilization efficiencies of the positive and negative pastes. T...	11/29/1994
5328586	Process for the manufacture of lead-acid battery electrode and lead-acid storage battery A process for the manufacture of an electrode for lead-acid storage battery wherein a current-conducting backing is subjected to electrochemical treatment, to produce an active material. Said active material is formed from the outer layer of the current-c...	07/12/1994
5273554	Process for fabricating a battery Batteries based on lead chemistry, e.g., lead-acid batteries, are substantially improved through the use of a particular positive material. This material is formed by the electrochemical conversion of tetrabasic lead sulfate (TTB) where this TTB is synthe...	12/28/1993
5141828	Electrochemical system using bipolar electrode Improvements are disclosed for electrochemical cells of the type comprising at least two bipolar electrodes, with a space occurring between adjacent electrodes which contains a liquid electrolyte. Improvement include forming improved plates for the electr...	08/25/1992
4881944	Method of making positive battery paste A method of making positive lead-acid storage battery paste by initially mixing polyacetal resin particles with the leady ingredients and subsequently removing the particles during electrochemical formation of the paste to leave a plurality of electrolyte...	11/21/1989
4871428	Method for in situ forming lead-acid batteries having absorbent separators A lead-acid battery having electrolytic-absorbent separator is formed in situ to produce sponge lead and lead dioxide active material. The method includes cooling the electrolyte to below room temperature, introducing a quantity of cooled electrolyte into...	10/03/1989
4713304	Method of preparing lead-acid battery plates and lead-acid batteries containing plates so prepared A method for preparing lead-acid battery positive and negative plates for use in lead-acid batteries, comprising (a) providing battery grids, (b) applying wet leady oxide paste to the grids to form plates, (c) optionally wrapping the freshly pasted plates...	12/15/1987
4705564	Flow-through electrolytic cell A flow-through electrochemical cell for sequentially oxidizing and reducing an aryl compound. The cell includes a cell body forming a compartment to hold an aqueous electrolyte solution, a porous anodic electrode, and a porous cathodic electrode. The anod...	11/10/1987
4687718	Method of making a sealed lead-acid battery with a gel electrolyte and sealed lead-acid storage battery made according to this method A method of making a sealed lead-acid storage battery having a plurality of electrodes and a gel electrolyte consisting substantially of sulfuric acid and a gelling agent wherein the gelling is accomplished on the formation charge in the battery jar, is a...	08/18/1987
4683648	Lead-titanium, bipolar electrode in a lead-acid battery A bipolar electrode for generating electrical power in an electrochemical cell includes a base member, which is comprised of a core portion composed of titanium. An integral, substantially continuous and non-porous layer of lead is electroplated onto at l...	08/04/1987
4656706	Formation efficiency of positive plates of a lead-acid battery The formation efficiency of pasted positive plates of a lead-acid battery is greatly enhanced by providing in situ a layer of lead dioxide (PbO2) on the pasted plate surfaces prior to formation. The PbO2 layer is preferably formed by...	04/14/1987
4656411	DC current controller for hydroset battery electrode electroformation A closed loop regulating system suitable for battery plate formation is provided. The circuit incorporates MOS FET and provides compensation for resistance changes that occur in MOS FET devices due to temperature changes. The regulating system also has me...	04/07/1987
4648177	Method for producing a sealed lead-acid cell A sealed gas recombining lead-acid cell with absorbed electrolyte is produced by assembling unformed plates and high porosity glass mat separator whose surface area is from 0.2-1.7 m2 /g, adding a limited quantity of acid into the cell, and the...	03/10/1987
4530153	Manufacturing recombination electric storage cells A method of manufacturing a recombination electric storage cell includes pasting positive and negative electrodes with damp active electrode material and forming a cell pack of alternating positive and negative electrodes interleaved with separator materi...	07/23/1985
4525926	Manufacturing recombination electric storage cells A method of manufacturing recombination electric storage cells includes assembling a plurality of cell packs comprising alternating positive and negative electrodes interleaved with compressible fibrous absorbent separator material. Each cell pack is plac...	07/02/1985
4475990	Method of forming lead storage batteries This invention relates to a method of forming a lead acid storage battery comprising a primary forming stage wherein pasted electrodes as immersed in an electrolyte selected from the group consisting of alkaline aqueous solutions, neutral aqueous solution...	10/09/1984
4425192	Method of forming battery electrodes A method for forming battery plates or electrodes produces a substantial reduction in the forming energy per gram of active material, by providing the plates or electrodes being formed with energy in the form of at least three, and preferably eight, const...	01/10/1984
4415638	Lead-acid storage battery Improvements in a dry charged lead-acid storage battery and in a method for producing such a battery are disclosed. The improvements in the battery involve negative plates having an initial polarization, when on charge, not greater than zero; preferably, ...	11/15/1983
4415410	Forming of tetrabasic lead sulfate battery electrodes A method of forming battery plates or electrodes from tetrabasic lead sulfate includes the step of adding a lead peroxide such as lead dioxide in powdered form to the tetrabasic lead sulfate for making the paste to be applied to the plate or electrode sup...	11/15/1983
4359508	Lead-acid storage battery Improvements in a dry charged lead-acid storage battery and in a method for producing such a battery are disclosed. The improvements in the battery involve negative plates having an initial polarization, when on charge, not greater than zero; preferably, ...	11/16/1982
4338163	Curing of tetrabasic lead pasted battery electrodes A method of preparing battery electrodes from tetrabasic lead sulfate paste including the steps of adding a carbonate material to the paste, curing the electrodes in a humid atmosphere and forming the electrodes....	07/06/1982
4331516	Curing of tetrabasic lead pasted battery electrodes A process for the fabrication of lead acid batteries containing an acid electrolyte and negative electrodes and positive electrodes, including the steps of coating at least one said electrode with a paste containing tetrabasic lead sulfate and ammonium ca...	05/25/1982
4295940	Method for battery plate A manganese or chromium doped positive plate for a lead acid battery, and a method of manufacturing the same is disclosed. Also disclosed is a lead acid battery containing manganese or chromium in the electrolyte. The doped positive plate has increased cy...	10/20/1981
4270984	Catalyst surfaces for the chromous/chromic REDOX couple There is disclosed an electricity producing cell of the reduction-oxidation (REDOX) type divided into two compartments by a membrane, each compartment containing a solid inert electrode. A ferrous/ferric couple in a chloride solution serves as a cathode f...	06/02/1981
4230779	Battery plate A manganese or chromium doped positive plate for a lead acid battery, and a method of manufacturing the same is disclosed. Also disclosed is a lead acid battery containing manganese or chromium in the electrolyte. The doped positive plate has increased cy...	10/28/1980
4200683	Lead-acid batteries A lead-acid battery capable of activation by the addition of electrolyte thereto includes at least one pack of formed positive and negative battery plates with insulating separators being interposed between adjacent plates. Part of the sulphuric acid used...	04/29/1980
4188268	Process for an electrode for a lead battery A lead battery comprising as an active material a formation product of a novel lead monoxide or a heat treatment product thereof is disclosed. This novel lead monoxide has a true density of 8.3 to 9.2 g/cc, an average particle size not larger than 0.2μ, ...	02/12/1980
4188461	Lead-acid batteries A method of producing a lead-acid battery capable of activation by the addition of electrolyte thereto, comprises the steps of: starting with a battery container accommodating at least one pack of battery plate grids having insulating separators interposed bet...	02/12/1980
4178216	Process for bipolar electrode support structures A bipolar electrode support structure for use in a lead acid battery is constituted by a porous matrix of valve metal, impregnated with lead or a lead alloy, and is provided on at least one surface thereof with a rim-portion at which little or no lead is ...	12/11/1979
4140589	Method for lead crystal storage cells and storage devices made therefrom A unique storage cell is provided in which the active mass on the positive electrode is a mixture of crystalline and polycrystalline lead superoxide (PbO2). These cells are characterized, inter alia, by their remarkably lower internal resistanc...	02/20/1979
4131515	Method for making positive electrode for lead-sulfuric acid storage battery Oxides of lead supported on a storage battery metal grid are cathodically reduced to lead in situ and are thereafter anodically converted to a pure form of lead peroxide of high electrical conductivity to serve as the cathodic reactant for lead-sulfuric a...	12/26/1978
4098961	Water activatable, lead-acid storage battery and method for manufacturing same A method of manufacturing a lead-acid storage battery capable of being stored after completing the battery processing and thereafter activated by the addition of water including coordinating the formation and processing of the battery elements with a deep...	07/04/1978
4046642	Method of making electric storage batteries A method of generating electrochemical activity in positive plates of Plante cells is disclosed. An agent corrosive to the unformed pure lead positive plate is incorporated in the electrolyte and the cell charged, the corrosive agent being selected to be ...	09/06/1977
3988165	Method of making a lead-acid storage battery, and cell, capable of activation by the addition of electrolyte A method of fashioning a lead-acid storage battery capable of being stored after completing of the battery processing and thereafter activated by the addition of electrolyte includes adding conditioning quantities of a treating agent affording certain met...	10/26/1976

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Class 205/63 - Lead-containing active material