Class / Patent application number | Description | Number of patent applications / Date published |
429210000 | Bipolar type | 41 |
20080280202 | Conductive composite material - The present invention relates to a conductive composite material, comprising 5 to 40% by weight of a copolymer and 60 to 95% by weight of a conductive filler, wherein said copolymer is selected from a copolymer of vinyl terminated rubber-styrene, a copolymer of vinyl terminated rubber-styrene-divinyl benzene, or a copolymer of styrene-divinyl benzene. This conductive material has high conductivity, high mechanical strength and flexibility, and can be mixed with graphite molecules to form a conductive bipolar plate. This invention also relates to an electrode, which is produced from the above-mentioned conductive material. | 11-13-2008 |
20080311470 | BATTERY STRUCTURES AND RELATED METHODS - An electrochemical device includes a first electrode in electrical communication with a first current collector, a second electrode in electrical communication with a second current collector and a crosslinked solid polymer in contact with the first and second electrodes. At least one of the first and second electrodes includes a network of electrically connected particles comprising an electroactive material, and the particles of one electrode exert a repelling force on the other electrode when the first and second electrodes are combined with an uncrosslinked precursor to the solid polymer. | 12-18-2008 |
20090042099 | ELECTRODE STACK AND BIPOLAR SECONDARY BATTERY - An electrode stack includes a cathode active material layer and an anode active material layer stacked together, and an electrolyte layer arranged between the cathode active material layer and the anode active material layer. A through hole extending in the stacking direction of the cathode active material layer and anode active material layer is formed in the cathode active material layer, anode active material layer and the electrolyte layer. The electrode stack further includes a bolt inserted to the hole for integrally holding the cathode active material layer, anode active material layer and the electrolyte layer. By such a structure, an electrode stack and a bipolar secondary battery that can effectively prevent displacement of interface between each of the cathode, anode and the electrolyte can be provided. | 02-12-2009 |
20090053601 | Modular Bipolar Battery - A bipolar electrode module for a modular bipolar battery includes an electrode substrate having a first face, a second face, and a perimeter. An electrical connection element is disposed on the electrode substrate such that the electrical connection element overlaps at least a portion of both the first face and the second face of the electrode substrate. A first carbon foam current collector is attached to the first face of the electrode substrate, and a second carbon foam current collector is attached to the second face of the electrode substrate. A frame is attached to the electrode substrate along at least a portion of the perimeter of the electrode substrate. | 02-26-2009 |
20090136844 | Battery Structure, Assembled Battery, and Vehicle Mounting These Thereon - A bipolar battery includes: a bipolar electrode composed, by forming a positive electrode active material layer | 05-28-2009 |
20090233172 | ELECTRODE, METHOD FOR MANUFACTURING ELECTRODE, BIPLATE ASSEMBLY AND BIPOLAR BATTERY - An electrode for a biplate assembly includes an active material made from a compressed powder | 09-17-2009 |
20090253038 | BIPOLAR BATTERY AND METHOD OF MANUFACTURING SAME - An apparatus and a method for manufacturing a bipolar battery are disclosed, which are capable of restraining the introduction of a bubble, resulting in superior battery performance. A bipolar battery is disclosed for preparing an electrolyte layer, which includes permeable separators such that the electrolytes can penetrate therein and a bipolar electrode wherein a cathode is formed at one side of a collector and an anode is formed at another side of the collector. Then, the electrolyte layers are stacked upon one another. When the electrolyte layer is provided to the bipolar electrode, bubbles within the electrolyte layer are exhausted from one side to another side of the separator via the separator. | 10-08-2009 |
20100035151 | POWER STORAGE DEVICE, AND METHOD FOR MANUFACTURING POWER STORAGE DEVICE - A power storage device has a stack including positive electrodes and negative electrodes that are stacked on top of each other with electrolytes interposed in-between. A positioning member is inserted into a positioning hole that is formed in the stack so as to penetrate the stack in the stacking direction. A terminal portion is formed at an end of the positioning member in the inserting direction. | 02-11-2010 |
20100062335 | BIPOLAR BATTERY - Bipolar plates for a lead acid battery and bipolar plate stack assembly comprising such plates is described. In another aspect, the subject matter describes, a lead acid battery comprising such bipolar plate stack assembly. | 03-11-2010 |
20100183920 | BIPOLAR BATTERY ASSEMBLY - A bipolar battery construction is disclosed comprising a substrate, openings in the substrate, an electrically conductive material placed within the openings, a negative and positive current collector foil placed on opposing sides of the substrate and negative and positive pasting frame members. The electrically conductive material may have a melting point below the thermal degradation temperature of the substrate. | 07-22-2010 |
20100248028 | BIPOLAR ARTICLES AND RELATED METHODS - The invention provides bipolar articles (e.g., batteries and capacitors) with new architectures and methods of making and using the same. Articles are provided with interpenetrating anode and cathode structures that allow for improved power density, and arbitrary form factors that allow for formation in substantially any desired shape. The articles are useful for embedding or integral formation in various electronic devices to provide more efficient use of space in the devices. The articles optionally include self-organizing bipolar structures. | 09-30-2010 |
20100255371 | BIPOLAR BATTERY MANUFACTURING METHOD, AND BIPOLAR BATTERY - When a bipolar battery is manufactured, a bipolar electrode and a separator are prepared first. Then, one electrode (for example, a positive electrode) out of positive and negative electrodes is applied with such an amount of electrolyte as being exposed on a surface of the one electrode. Then, the separator is arranged on the surface of the one electrode applied with the electrolyte, thus forming a sub-assembly unit. Then, a plurality of the sub-assembly units are layered, and the electrolyte applied to the one electrode is made to permeate through the separator to the other electrode, thus forming an assembly unit. | 10-07-2010 |
20100304216 | BI-POLAR RECHARGEABLE ELECTROCHEMICAL BATTERY - A bi-polar battery has a positive electrode unit, a negative electrode unit, at least one bi-polar electrode unit stacked therebetween, an electrolyte layer separating each adjacent electrode unit, and a gasket positioned about each electrolyte layer for creating a seal about the electrolyte layer in conjunction with the electrode units adjacent thereto. The bi-polar battery also includes a wrapper for maintaining the seals created by the gaskets. | 12-02-2010 |
20110014520 | BIPOLAR BATTERY - The present invention relates to a bipolar battery. It is an object of the present invention to provide a bipolar battery having a good productivity and a high reliability of the electrical connection with an apparatus when the battery is attached to various apparatuses. A bipolar battery | 01-20-2011 |
20110091770 | RECHARGEABLE BATTERY, BIPOLAR ELECTRODE, AND METHOD OF MANUFACTURING RECHARGEABLE BATTERY - A rechargeable battery that can have high energy density and high power density. The rechargeable battery includes: bipolar electrodes including a current collector, a sealing layer that is formed at the edge of the current collector, a first electrode active material layer that is inserted into a space in that is formed within the sealing layer, and a second electrode active material layer that is formed at the opposite side of the first electrode active material layer; and a separator that is disposed between the bipolar electrodes, wherein the sealing layer is bonded with the sealing layer of neighboring bipolar electrodes. | 04-21-2011 |
20110151324 | BATTERY STRUCTURES, SELF-ORGANIZING STRUCTURES AND RELATED METHODS - An energy storage device includes a first electrode comprising a first material and a second electrode comprising a second material, at least a portion of the first and second materials forming an interpenetrating network when dispersed in an electrolyte, the electrolyte, the first material and the second material are selected so that the first and second materials exert a repelling force on each other when combined. An electrochemical device, includes a first electrode in electrical communication with a first current collector; a second electrode in electrical communication with a second current collector; and an ionically conductive medium in ionic contact with said first and second electrodes, wherein at least a portion of the first and second electrodes form an interpenetrating network and wherein at least one of the first and second electrodes comprises an electrode structure providing two or more pathways to its current collector. | 06-23-2011 |
20110274969 | CURRENT COLLECTOR FOR LEAD ACID BATTERY - A low cost, high specific energy and long cycle life lead acid battery includes polymer/metal current collectors. For intermediate electrodes, a current collector includes two polymer grids and a metal foil that is disposed between two grids, and for terminal electrodes, a current collector includes a polymer grid, a polymer sheet and a metal foil that is disposed between the polymer grid and sheet. The surfaces of the grids and metal foil are coated by different conductive and corrosion-resistant composites. The current collectors can be configured as monopolar or bipolar electrodes. | 11-10-2011 |
20110281159 | MULTI-LAYER COATINGS FOR BIPOLAR RECHARGEABLE BATTERIES WITH ENHANCED TERMINAL VOLTAGE - A method for producing a multi-layer bipolar coated cell according to one embodiment includes applying a first active cathode material above a substrate to form a first cathode; applying a first solid-phase ionically-conductive electrolyte material above the first cathode to form a first electrode separation layer; applying a first active anode material above the first electrode separation layer to form a first anode; applying an electrically conductive barrier layer above the first anode; applying a second active cathode material above the anode material to form a second cathode; applying a second solid-phase ionically-conductive electrolyte material above the second cathode to form a second electrode separation layer; applying a second active anode material above the second electrode separation layer to form a second anode; and applying a metal material above the second anode to form a metal coating section. In another embodiment, the anode is formed prior to the cathode. Cells are also disclosed. | 11-17-2011 |
20110294007 | BIPOLAR SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME - A bipolar secondary battery has a battery element that includes first and second bipolar electrodes each having a collector disposed with a conductive resin layer containing a first resin as a base material and positive and negative electrode active material layers formed on opposite sides of the collector and a separator containing a second resin as a base material, arranged between the first and second bipolar electrodes and retaining an electrolyte material to form an electrolyte layer. The positive electrode active material layer of the first bipolar electrode, the electrolyte layer and the negative electrode active material layer of the second bipolar electrode constitute a unit cell. A melting point of the first resin is lower than or equal to a melting point of the second resin. Outer peripheries of the collectors of the first and second bipolar electrodes and an outer periphery of the separator are fused together to thereby seal an outer peripheral portion of the unit cell. | 12-01-2011 |
20110294008 | Lightweight, Durable Lead-Acid Batteries - A lightweight, durable lead-acid battery is disclosed. Alternative electrode materials and configurations are used to reduce weight, to increase material utilization and to extend service life. The electrode can include a current collector having a buffer layer in contact with the current collector and an electrochemically active material in contact with the buffer layer. In one form, the buffer layer includes a carbide, and the current collector includes carbon fibers having the buffer layer. The buffer layer can include a carbide and/or a noble metal selected from of gold, silver, tantalum, platinum, palladium and rhodium. When the electrode is to be used in a lead-acid battery, the electrochemically active material is selected from metallic lead (for a negative electrode) or lead peroxide (for a positive electrode). | 12-01-2011 |
20110305948 | BIPOLAR BATTERY CURRENT COLLECTOR AND BIPOLAR BATTERY - Provided is a bipolar battery current collector that includes a conductive resin layer formed in such a manner as to, when at least part of the conductive resin layer reaches a predetermined temperature, interrupts a flow of electric current through the at least part of the conductive resin layer in a vertical direction thereof. Also provided is a bipolar battery using the current collector. It is possible by the use of the current collector to suppress local heat generation in the bipolar battery and improve the durability of the bipolar battery. | 12-15-2011 |
20120156559 | METHOD OF ASSEMBLING A BIPOLAR BATTERY - A method of sealing together two elements of a bipolar battery, the method comprising: interposing an inductive heating element between the two elements; applying a current to the inductive heating element to generate localised heat to melt material in the vicinity of the heating element to seal the two elements together. | 06-21-2012 |
20120171567 | METHOD OF PRODUCING SEALING STRUCTURE OF BIPOLAR BATTERY, METHOD OF MANUFACTURING BIPOLAR BATTERY, SEALING STRUCTURE OF BIPOLAR BATTERY, AND BIPOLAR BATTERY - The present invention is intended to provide a method of producing a sealing structure of a bipolar battery capable of improving the sealing capability by means of solidifying the joint between a resin collector comprising a thermosetting resin before the setting reaction and a sealing layer, a method of producing the bipolar battery, and the sealing structure of the bipolar battery and the bipolar battery. The method of producing the sealing structure of the bipolar battery comprises s step of producing the sealing assembly | 07-05-2012 |
20120183847 | COMPOSITE CURRENT COLLECTOR AND METHODS THEREFOR - Contemplated bipolar lead acid batteries include a bipole assembly with a monolithic or composite current collector that is in contact with the PAM. Especially preferred current collectors have a substrate formed from pure lead and grid formed from a lead alloy, wherein the interface between the grid and substrate is formed via electroforming and/or resistance welding. Particularly preferred batteries are configured as deep cycle batteries and have a low ratio between the surface area of the grid and the weight of the PAM. | 07-19-2012 |
20120208082 | CURRENT COLLECTOR FOR BIPOLAR SECONDARY BATTERY - A bipolar secondary battery current collector is a bipolar secondary battery current collector having electrical conductivity. The current collector has an expansion section that expands in a thickness direction of the current collector at a temperature equal to or higher than a prescribed temperature. | 08-16-2012 |
20130040194 | LAYERED COMPOSITE MATERIAL FOR USE IN A REDOX FLOW BATTERY - A layered composite material which is suitable, in particular, for use in a redox flow battery, contains at least one layer of a textile fabric and at least one graphite-containing molded body which is obtained by a method in which graphite particles are mixed with at least one solid organic additive to form a mixture and the thus obtained mixed is then compressed. | 02-14-2013 |
20130122362 | BIPOLAR ELECTRODE, BIPOLAR SECONDARY BATTERY USING THE SAME AND METHOD FOR MANUFACTURING BIPOLAR ELECTRODE - A bipolar electrode is composed of a first active material layer which is, for example, a positive electrode active material layer formed to include a first active material on one side of a collector, and a second active material layer which is, for example, a negative electrode active material layer formed to include a second active material with less compressive strength than that of the first active material on the other side of the collector. Then, a density adjusting additive which is an additive material with larger compressive strength than that of the second active material is included in the second active material layer. | 05-16-2013 |
20130244102 | ELECTROPHORETIC DEPOSITION OF THIN FILM BATTERIES - Methods for forming three-layer thin-film battery (TFB) structures by sequential electrophoretic deposition (EPD) on a single conductive substrate. The TFBs may be two-dimensional or three-dimensional. The sequential EPD includes EPD of a first battery electrode followed by EPD of a porous separator on the first electrode and by EPD of a second battery electrode on the porous separator. In some embodiments of a Li or Li-ion TFB, the separator includes a Li ion conducting solid. In some embodiments of a Li or Li-ion TFB, the separator includes an inorganic porous solid rendered ionically conductive by impregnation with a liquid or polymer. In some embodiments, the TFBs are coated and sealed with an EPDd PEEK layer. | 09-19-2013 |
20140017561 | METHOD OF ASSEMBLING A BATTERY - A method of joining a substrate for a bipolar electrode of a bipolar battery to a frame for supporting the bipolar electrode for use in the bipolar battery includes the implanting of a thermoplastic material in the substrate. The substrate and the frame are then vibration welded together at a frequency in the range of 50 Hz to 1 kHz to melt the thermoplastic material. The melted thermoplastic material forms a continuous or substantially continuous loop around the substrate to join the substrate and the frame together. A bipolar battery comprising a substrate and a frame joined together by the method, and a substrate for a bipolar electrode for use in the method are also described. | 01-16-2014 |
20140072868 | Composite Current Collector and Methods Therefor - Contemplated lead acid batteries include a monolithic lead/lead alloy composite foil that is preferably formed by cladding mechanically unstressed lead and lead alloy foils. In such batteries, a light-weight non-conductive grid is placed onto the lead alloy side of the composite foil, which is most preferably pre-treated with a lead-containing adhesive that improves retention of the grid and improves retention and intimate electric contact of the positive active material. | 03-13-2014 |
20140079992 | BIPOLAR ALL-SOLID-STATE BATTERY - Provided is a bipolar all-solid-state battery capable of preventing breakage of a current collector of a bipolar electrode to suitably prevent a short circuit from occurring, and a method for producing the above-mentioned bipolar all-solid-state battery. The bipolar all-solid-state battery includes: a bipolar electrode having a current collector and an electrode active material layer including a cathode active material layer containing a cathode active material, formed on one surface of the current collector, and an anode active material layer containing an anode active material, formed on the other surface of the current collector, and a solid electrolyte layer containing a solid electrolyte. The bipolar all-solid-state battery has a plurality of the bipolar electrodes laminated via the solid electrolyte layer and a reinforcing layer formed on the surface of the current collector is disposed between the end of the electrode active material layer and the surface of the current collector. | 03-20-2014 |
20140099537 | CONDUCTIVE FILM, CURRENT COLLECTOR USING SAME, BATTERY AND BIPOLAR BATTERY - A conductive film includes a layer 1 formed by a conductive material 1 that includes a polymer material 1 containing any of (1) an amine and an epoxy resin (where the epoxy resin and the amine are mixed in a ratio of 1.0 or more in terms of the ratio of the number of active hydrogen atoms in the amine with respect to the number of functional groups in the epoxy resin), (2) a phenoxy resin and an epoxy resin, (3) a saturated hydrocarbon polymer having a hydroxyl group, and (4) a curable resin and an elastomer and conductive particles 1. The conductive film has excellent stability in an equilibrium potential environment in a negative electrode and low electric resistance per unit area in the thickness direction. A multilayer conductive film including the conductive film achieves excellent interlayer adhesion, and using them as a current collector enables the production of a battery satisfying both weight reduction and durability. | 04-10-2014 |
20140186699 | MULTILAYER CONDUCTIVE FILM, CURRENT COLLECTOR USING SAME, BATTERY AND BIPOLAR BATTERY - A multilayer conductive film includes a layer 1 including a conductive material containing a polymer material 1 having an alicyclic structure and conductive particles 1 and a layer 2 including a material having durability against positive electrode potential. The multilayer conductive film has stability in an equilibrium potential environment in a negative electrode and stability in an equilibrium potential environment in a positive electrode, has low electric resistance per unit area in the thickness direction, and has excellent barrier properties for a solvent of an electrolytic solution. A battery including a current collector employing the multilayer conductive film can achieve both weight reduction and durability. | 07-03-2014 |
20140199586 | APPARATUS FOR EVAPORATING LIQUID HYDROCARBON COMPOUNDS OR OF LIQUIDS IN WHICH HYDROCARBON COMPOUNDS ARE CONTAINED AS WELL AS USE OF SAME - The invention relates to an apparatus for evaporating liquid hydrocarbon compounds or liquids in which at least one hydrocarbon compound is contained and to a use of same. It is the object of the invention to provide an apparatus for evaporating hydrocarbon compounds or liquids in which such compounds are contained, wherein the vapor formed can be provided with a very small pressure difference and in a suitable consistency. A heating apparatus with which a heating can be achieved above the boiling temperature of the respective hydrocarbon compound or of a liquid is present at the apparatus. The hydrocarbon compound or the liquid flows through at least one hollow space which is formed in a body or in a structure and the body or the structure is formed from a ceramic material which is inert for the respective hydrocarbon compound and/or for chemical compounds or chemical elements contained in the liquid. | 07-17-2014 |
20150017522 | BIPOLAR ELECTRODE AND BIPOLAR LITHIUM-ION SECONDARY BATTERY USING SAME - A bipolar electrode includes a collector; a positive electrode active material layer disposed on one surface of the collector; and a negative electrode active material layer disposed on the other surface of the collector. The quotient of the volume resistance of the collector and that of the positive and negative electrode active material layers is between 10 | 01-15-2015 |
20150118550 | CARBON STRCUTRE ELECTRODE FOR REDOX FLOW BATTERY, METHOD OF PREPARING CARBON STRCUTRE ELECTRODE FOR REDOX FLOW BATTERY, AND CARBON STRCUTRE ELECTRODE STRUCTURE FOR REDOX FLOW BATTERY - Disclosed is a carbon structure electrode for redox flow batteries, which includes a plurality of spherical macropores formed on a surface of a polymer-derived carbon structure and inside the polymer-derived carbon structure so as to allow electrolyte migration. The carbon structure electrode for redox flow batteries has excellent electrical conductivity and enables cost reduction through a simplified preparation process. | 04-30-2015 |
20150303483 | COLLECTOR FOR BIPOLAR LITHIUM ION SECONDARY BATTERIES, AND BIPOLAR LITHIUM ION SECONDARY BATTERY - A collector for bipolar lithium ion secondary batteries including an electroconductive polyimide layer including a conductivity-imparting agent dispersed in a polyimide resin that is prepared by imidizing a polyamic acid that is obtained by reacting at least one tetracarboxylic dianhydride component of biphenyltetracarboxylic dianhydrides, 3,3′,4,4′-benzophenonetetracarboxylic dianhydride, pyromellitic dianhydride, and [isopropylidenebis(p-phenyleneoxy)]diphthalic dianhydrides with at least one diamine component of oxydianilines, phenylenediamines, and 2,2-bis[4-(4-aminophenoxy)phenyl]propane has excellent solvent barrier properties to an electrolytic solution, and can be used to give a highly reliable bipolar lithium ion secondary battery. | 10-22-2015 |
20160028071 | Light-Weight Bipolar Valve Regulated Lead Acid Batteries and Method - Light-weight VRLA batteries comprise a thin lead substrate that is supported by non-conductive, preferably plastic frames that provide structural stability to accommodate stress and strain in the bipole assembly. In particularly preferred batteries, the plastic frames are laser welded together and phantom grids and electrode materials are coupled to the respective sides of the lead substrate. Where the phantom grid is an ultra-thin lead grid, the lead grid is preferably configured to provide a corrosion reserve of less than 10 charge-discharge cycles and the bipole assembly is charged in an in-tank formation process. Where the phantom grid is a non-conductive grid, the lead grid is preferably a plastic grid and the bipole assembly is charged in an in-container formation process. Consequently, weight, volume, and production costs are significantly reduced while specific energy is substantially increased. | 01-28-2016 |
20160072121 | LEAD-ACID BATTERY DESIGN HAVING VERSATILE FORM FACTOR - An electrochemical storage device comprises a plurality of layer electrodes each including a first charged sector and a second charged sector. The plurality of layer electrodes are assembled with respect to each other such that the first charged sector of a first plate of the plurality of layer electrodes is laid below the second charged sector of a second plate of the plurality of layer electrodes located immediately above the first plate. The charges of the first charged sectors of the first and second plates have a first sign and the charges of the second charged sectors of the first and second plates have a second sign that is opposite the first sign. The device also comprises a separator sector located, and enabling ionic charge exchange, between the first charged sector of the first plate and the second charged sector of the second plate. | 03-10-2016 |
20160197373 | BIPOLAR BATTERY ASSEMBLY | 07-07-2016 |
20220140312 | ELECTRODE STRUCTURE, BIPOLAR ALL-SOLID SECONDARY BATTERY INCLUDING THE SAME, AND METHOD OF MANUFACTURING ELECTRODE STRUCTURE - An electrode structure, a bipolar all-solid secondary battery including the same, and a method of manufacturing the electrode structure are provided. The electrode structure includes: a current collector having a first surface and a second surface, wherein the first surface includes a first portion, a second portion, and an intermediate portion between the first portion and the second portion, the first portion and the second portion are arranged toward the outside in opposite directions to each other around the intermediate portion, and the second surface has an inward-folded structure; a cathode active material layer formed on the first portion of the first surface; an anode active material layer formed on the second portion of the first surface; and a compression pad arranged inside the inward-folded structure of the current collector. | 05-05-2022 |