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Chemistry: electrical current producing apparatus, product, and process

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Class / Patent application numberDescriptionNumber of patent applications / Date published
429122000 CURRENT PRODUCING CELL, ELEMENTS, SUBCOMBINATIONS AND COMPOSITIONS FOR USE THEREWITH AND ADJUNCTS 6136
429400000 FUEL CELL, SUBCOMBINATION THEREOF, OR METHOD OF MAKING OR OPERATING 3925
429012000 FUEL CELL, SUBCOMBINATION THEREOF OR METHODS OF OPERATING 2735
429096000 CELL SUPPORT FOR REMOVABLE CELL 520
429007000 WITH NONBATTERY ELECTRICAL COMPONENT ELECTRICALLY CONNECTED WITHIN CELL CASING OTHER THAN TESTING OR INDICATING COMPONENTS 461
429120000 WITH HEAT EXCHANGE FEATURE 419
429094000 PLURAL CONCENTRIC OR SINGLE COILED ELECTRODE 413
429050000 PROCESS OF CELL OPERATION 308
429072000 HAVING SPECIFIED VENTING, FEEDING OR CIRCULATION STRUCTURE (OTHER THAN FEEDING OR FILLING FOR ACTIVATING DEFERRED ACTION-TYPE BATTERY) 270
429061000 WITH CONTROL MEANS RESPONSIVE TO BATTERY CONDITION SENSING MEANS 246
429053000 MEANS EXTERNALLY RELEASING INTERNAL GAS PRESSURE FROM CLOSED CELL, I.E., VALVE ETC. 229
429090000 WITH MEASURING, TESTING, OR INDICATING MEANS 180
429002000 HAVING LIVING MATTER, E.G., MICROORGANISM, ETC. 79
429009000 HAVING DIVERSE CELLS OR DIVERSE REMOVABLE CELLS IN A SUPPORT MEANS 71
429101000 FLUID ACTIVE MATERIAL OR TWO-FLUID ELECTROLYTE COMBINATION HAVING AREAS OF NONMIXTURE 62
429121000 ADJUNCTS IN COMBINATION WITH OR FOR CONNECTION TO AN EXTERNAL ELECTRICAL ELECTRIC CURRENT CARRYING MEMBER OF A BATTERY OTHER THAN TERMINAL PROTECTORS, E.G., TERMINAL ADAPTER, CAPS, LIFTERS, ETC. AND CONNECTORS PER SE 58
429010000 HAVING MAGNETIC FIELD FEATURE 24
429049000 REGENERATING, SALVAGE OR REPAIR FEATURE OTHER THAN ONLY ADDITION OF ELECTROLYTE TO CELL OR ELECTRICALLY CHARGING PER SE 23
429008000 HAVING DISPARATE NONELECTRICAL FUNCTION 23
429071000 WITH SYSTEM HAVING MEANS TO MOVE VENTILATING FLUID 20
429110000 DEFERRED ACTION TYPE 20
429067000 HAVING MOVABLE MECHANICAL MEANS TO PROVIDE RELATIVE MOTION BETWEEN ELECTRODE AND ELECTROLYTE 14
429001000 HAVING POLARITY SAFETY FEATURE 14
429057000 SEALED CELL HAVING GAS PREVENTION OR ELIMATION MEANS 12
429065000 TERMINAL PROTECTOR OTHER THAN SEAL THROUGH CASING 5
20100304195FIXTURE FOR HOLDING TERMINALS OF A BATTERY IN ALIGNMENT - A fixture is configured for holding terminals of a battery in alignment. The fixture includes a first and a second side member. The first and second side members each include a plurality of first and second teeth, respectively. The second side member is movable relative to the first side member between an open position and a closed position. The second side member opposes the first side member such that a number of the first teeth oppose a corresponding number of the second teeth and a slit is defined between each of the adjacent teeth when the fixture is in the open position. Likewise, the second side member opposes the first side member such that the number of the first teeth are staggered from the corresponding number of the second teeth to reduce the slit in size when the fixture is in the closed position.12-02-2010
20120251855BATTERY ASSEMBLY AND ELECTRIC CELL - Each of electric cells constituting a battery assembly is provided with external terminals. The upper end of the electric cell is covered with an upper cap surrounding the external terminals whereas the lower end of the electric cell is covered with a lower cap. The electric cell is held between an upper holder and a lower holder via the upper cap and the lower cap. A plurality of bus bar openings for allowing a bus bar extending from the external terminals to be inserted therethrough are formed in the upper cap in such a manner as to penetrate in a thickness direction. Thus, it is possible to increase the degree of freedom of the arrangement of the electric cells in the battery assembly.10-04-2012
20090061291PROTECTION COVER ATTACHMENT STRUCTURE OF BATTERY-MOUNTED FUSIBLE LINK UNIT - A protection cover attachment structure of a battery-mounted fusible link unit includes a fusible link unit including a resin housing with a slide guide groove and a protection cover including an upper surface cover and side surface covers. The upper surface cover covers the upper surface of the resin housing and a battery post and a battery terminal. The side surface covers extend downward from a peripheral edge of the upper surface cover and cover the wire-attached terminals connected to the terminal sections of the fusible link unit and upper part of wires which are connected to the terminals and extended downward. When the protection cover is put over the resin housing, the slide guide grooves restricts the position of the protection cover and guides a side edge of at least one of the side surface covers downward.03-05-2009
20130095354BATTERY HAVING PASSIVE CORROSION PROTECTION - A battery has two or more individual cells that are connected in series and which, for contacting purposes, each has at least one contact electrode to the positive electrode (cathode) and at least one contact electrode to the negative electrode (anode). The two are made of metals that differ from each other. The contact electrodes to the anode and the cathode have passive corrosion protection at least in the respective contacting region of the contact electrodes.04-18-2013
20130196193TERMINAL-ATTACHED PLATE, PLATE ASSEMBLY, AND BATTERY MODULE - To provide a terminal-attached plate, which is capable of providing a connector fitting portion at only one end portion of a battery module, and is capable of preventing the battery module from being made thick, and to provide a plate assembly, and a battery module. A battery module includes a single-cell stack and a plate assembly including stacked plates turned back alternately and connected to an end of the stack, each plate including a joining portion, a plate supporting portion, a terminal including a connecting portion connected to a tab of the battery and a contact portion connected to a connector, and a hood member protecting the contact portion, wherein the hood member is disposed at a position offset to an end portion side of the plate from a center in a longitudinal direction of the plate.08-01-2013
429066000 HAVING MEANS TO ACCOMMODATE ELECTRODE EXPANSION 5
20120183821GALVANIC CELL HAVING A MULTIPART HOUSING HAVING AN ELASTIC ASSEMBLY SEAM - The invention relates to a galvanic cell (07-19-2012
20130034754BATTERY WITH VOLTAGE-GENERATING CELLS AND INTERPOSED COMPENSATING PLATES - A battery having a plurality of voltage-generating cells in which a plate-shaped intermediate element having elastic ribs at least on one side thereof is arranged at least between adjacent voltage-generating cells.02-07-2013
20110262785BATTERY MODULE - A battery module that includes a battery unit composed of a plurality of flat cells and having an end face, a container with an end piece that encloses the battery unit, and a damping assembly disposed between the end face and the end piece. The damping assembly includes a pressure plate, coupled to the end face, that distributes a force substantially equally over the end face. The damping assembly further includes a damping mechanism that damps battery unit oscillations within the container and applies the force to the pressure plate. Coupling the end plate to the damping mechanism compresses the damping mechanism, and causes the damping mechanism to exert a reactionary force against the pressure plate. Furthermore, the damping assembly compresses and substantially suspends the battery unit within the container, such that one face of the battery unit does not substantially contact the container interior.10-27-2011
20120064380RECHARGEABLE BATTERY - A rechargeable battery including an electrode assembly; a case having an opening and containing the electrode assembly; a cap plate sealing the opening of the case; an electrode terminal electrically connected to the electrode assembly and protruding outside the case; and an insulating member between the electrode assembly and the cap plate and adjacent the electrode terminal, the insulating member including an inclined portion facing the electrode assembly.03-15-2012
20130130077COMPOSITE ANODE STRUCTURE FOR HIGH ENERGY DENSITY LITHIUM-ION BATTERIES - An electrode includes a conductive substrate and a plurality of conductive structures providing a compressible matrix of material. An active material is formed in contact with the plurality of conductive structures. The active material includes a volumetrically expanding material which expands during ion diffusion such that the plurality of conductive structures provides support for the active material and compensates for volumetric expansion of the active material to prevent damage to the active material.05-23-2013
429003000 HAVING PULSE FEATURE 4
20100119880VARIABLE-FREQUENCY BATTERY REVITALIZING DEVICE - The variable-frequency battery revitalizing device contains a pulse generation circuit, a frequency generation circuit, a voltage detection circuit, and a frequency control circuit. A lead-acid battery to be revitalized is connected to the pulse generation circuit without being taken off duty and provides electricity to the battery revitalizing device. The voltage detection circuit senses the voltage of the battery being revitalized and produces an appropriate control signal to the frequency control circuit, which in turn determines the frequency of the clock signal produced by the frequency generation circuit. The clock signal drives the pulse generation circuit to produce pulses at the desired frequency and apply the pulses to the battery, thereby completing a feedback loop to automatically adjust the frequency of the pulses applied to the battery.05-13-2010
20090004511Battery Watering System - A system for adding fluid to a valve regulated lead acid (“VRLA”) battery cell includes an injection head assembly coupled to a vent opening. The injection head assembly replenishes water or electrolyte depleted during operation of the VRLA cell. Fluid is dispersed evenly across one or more absorbent gas mats to promote even absorption by the mats. Fluid may be dispersed while the VRLA is in operation, and fluid dispersion may be accomplished using continuous streams or pulsed streams.01-01-2009
20090029192METHOD AND DEVICE FOR BATTERIES - Method for treatment, in the form of regeneration, of an accumulator (01-29-2009
20100196743APPARATUS AND METHOD FOR PURGING RESIDUAL WATER AND HYDROGEN DURING SHUTDOWN OF FUEL CELL - The present invention provides an apparatus and method for purging residual water and hydrogen during shutdown of a fuel cell, which can reduce the time required for purging residual water and hydrogen during shutdown of a fuel cell by opening and closing outlet lines of an anode and a cathode in a short period of time using solenoid valves.08-05-2010
429005000 RADIO ACTIVE MATERIAL CONTAINING 3
20080311432CATHODE COMPRISING ACTIVE MATERIAL COMPOSITE AND LITHIUM BATTERY USING THE SAME - A cathode including an active material composite and a lithium battery using the same. The active material composite of the cathode includes a mixed oxide complex and a lithium-containing compound, the lithium-containing compound having a metal based compound coated on the surface of the lithium-containing compound.12-18-2008
20120321911NON-AQUEOUS ELECTROLYTE BATTERY, NON-AQUEOUS ELECTROLYTE BATTERY POSITIVE ELECTRODE, NON-AQUEOUS ELECTROLYTE BATTERY NEGATIVE ELECTRODE, NON-AQUEOUS ELECTROLYTE BATTERY SEPARATOR, ELECTROLYTE FOR NON-AQUEOUS ELECTROLYTE, AND METHOD OF MANUFACTURING NON-AQEUOUS ELECTROLYTE BATTERY SEPARATOR - A battery is composed of a positive electrode in which a positive electrode active material layer including a positive electrode active material is formed on a positive electrode collector, a negative electrode in which a negative electrode active material layer including a negative electrode active material is formed on a negative electrode collector, a separator provided between the positive electrode and the negative electrode, and an electrolyte impregnated in the separator. The battery further includes at least one of a heteropoly acid and a heteropoly acid compound as an additive at least in one of the positive electrode, the negative electrode, the separator, and the electrolyte.12-20-2012
20080199736APPARATUS FOR GENERATING ELECTRICAL CURRENT FROM RADIOACTIVE MATERIAL AND METHOD OF MAKING SAME - The present invention relates generally to synthesis of radioactive material, such as a tritiated polymer, and an apparatus for generating electrical current from the nuclear decay process of a radioactive material. In one embodiment, the invention relates to an energy cell (e.g., a battery) for generating electrical current derived from particle emissions occurring within a radioactive material such as a tritiated polymer) on pore walls of a porous semiconductor. The radioactive material may be introduced into the energy cell by a wetting process.08-21-2008
429048000 PRESERVING CELL IN STORAGE FEATURE 3
20120301753ELECTROLYTE STORAGE STRUCTURE FOR A LITHIUM BATTERY - An electrolyte storage structure for a lithium battery made of a battery core having a stack with positive electrode plates, negative electrode plates and separating films, a battery core positive electrode welded with the positive electrode plate, a battery core negative electrode welded with the negative electrode plate, electrolyte, and a cup for receiving the battery core, positive electrode plate, the negative electrode plate and the electrolyte. The cup has a receiving space for accommodating the electrolyte core, the positive electrode plate and the negative electrode plate, and the electrolyte is disposed separately from the battery core. The electrolyte is released and flows into the receiving space for infiltrating the battery core before the battery is set to use. The battery core is infiltrated and saturated with the electrolyte. Then the saturated lithium battery undergoes following procedures of charging and activation to generate a finished lithium battery.11-29-2012
20120100402ELECTRODE (ANODE AND CATHODE) PERFORMANCE ENHANCEMENT BY COMPOSITE FORMATION WITH GRAPHENE OXIDE - Described is an electrode comprising and preferably consisting of electronically active material (EAM) in nanoparticulate form and a matrix, said matrix consisting of a pyrolization product with therein incorporated graphene flakes and optionally an ionic lithium source. Also described are methods for producing a particle based, especially a fiber based, electrode material comprising a matrix formed from pyrolized material incorporating graphene flakes and rechargeable batteries comprising such electrodes.04-26-2012
20130011701BATTERY COOLING METHOD AND SYSTEM - An apparatus may store at least one object including at least one top end and at least one bottom end. The apparatus may include a container configured to store the at least one object and a pouch containing a liquid. The pouch may be configured to substantially cover the at least one top end of the at least one object when stored inside the container. The pouch may be configured to contact the at least one top end of the at least one object and to open when contacted by contents expelled from the at least one object due to thermal runaway.01-10-2013
429004000 WITH SONIC OR ULTRASONIC FEATURE 2
20110200848HIGH ENERGY DENSITY REDOX FLOW DEVICE - Redox flow devices are described in which at least one of the positive electrode or negative electrode-active materials is a semi-solid or is a condensed ion-storing electroactive material, and in which at least one of the electrode-active materials is transported to and from an assembly at which the electrochemical reaction occurs, producing electrical energy. The electronic conductivity of the semi-solid is increased by the addition of conductive particles to suspensions and/or via the surface modification of the solid in semi-solids (e.g., by coating the solid with a more electron conductive coating material to increase the power of the device). High energy density and high power redox flow devices are disclosed. The redox flow devices described herein can also include one or more inventive design features. In addition, inventive chemistries for use in redox flow devices are also described.08-18-2011
20100028722Fuel Cell System with Ultrasonic Detector - The invention relates to a fuel cell system, having at least one channel system (02-04-2010
429047000 HAVING EARTH FEATURE 1
20100068605REJUVENATION AND REUSE OF DEGRADED LITHIUM ION BATTERY CELLS - One embodiment includes a method for rejuvenating failed or degraded pouch-type lithium-ions batteries.03-18-2010

Patent applications in class Chemistry: electrical current producing apparatus, product, and process

Patent applications in all subclasses Chemistry: electrical current producing apparatus, product, and process