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| Number | Title | Issue Date |
| 8105396 | Nonaqueous electrolyte secondary battery and method for fabricating the same A nonaqueous electrolyte secondary battery includes an electrode group 8 including a positive electrode 4 including a positive electrode current collector 4A and a positive electrode active material formed on the positive electrode current colle... | 01/31/2012 |
| 8062387 | Reactive polymer-supporting porous film for battery separator and use thereof A reactive polymer-supporting porous film is provided as a battery separator which comprises a porous substrate film and a partially crosslinked reactive polymer supported on the porous substrate film. The partially crosslinked reactive polymer is obtained by the re... | 11/22/2011 |
| 8062386 | Tin-plated anode casings for alkaline cells An anode casing having a bright tin or bright tin alloy surface layer at least on an inside surface of the casing, preferably on the entire surface of the anode casing, and to an electrochemical cell containing the anode casing. Methods for preparing anode casings a... | 11/22/2011 |
| 8016896 | Separator with long-term stability for an electrochemical cell A separator for an electrochemical cell, comprising (A) a flexible perforate support, (B) a porous first ceramic material which fills the perforations in the support and which (i) has a pore structure which is characterized by an average pore size, and (ii) is suita... | 09/13/2011 |
| 7967874 | Non-aqueous electrolyte secondary battery and method of producing coating for negative electrode active material thereof A non-aqueous electrolyte secondary battery having a positive electrode and a negative electrode with an active material capable of absorbing and desorbing lithium, a separator interposed between the positive and negative electrodes, and a non-aqueous electrolyte. T... | 06/28/2011 |
| 7967875 | Flexible cathodes This disclosure relates to methods of making a cathode for a lithium batter. The methods include: (a) treating a cathode current collector with flame or corona; (b) coating a slurry containing iron disulfide, a first solvent, and a binder onto the cathode current co... | 06/28/2011 |
| 7947092 | Battery with cathode having inactive materials A battery includes an electrolyte activating one or more anodes and one or more cathodes. The electrolyte includes one or more salts in a solvent. One or more of the cathodes has a cathode medium that includes a lithium transition metal oxide as a cathode active mat... | 05/24/2011 |
| 7918904 | Positive electrode for use in lithium cell and lithium cell using the same A positive electrode for use in a lithium battery using water as a dispersion medium, not causing a problem of deteriorating the battery performance due to corrosion of a collector or the like and not forming unevenness on the coating surface, as well as a lithium b... | 04/05/2011 |
| 7883554 | Lithium secondary battery with suppressed decomposition of electrolytic solution and preparation method thereof Provided are a lithium secondary battery with suppressed decomposition of an electrolytic solution, and a preparation method thereof. The lithium secondary battery includes a current collector, a cathode and an anode having each active material layer formed on the c... | 02/08/2011 |
| 7862627 | Thin film battery substrate cutting and fabrication process A method of fabricating a battery comprises selecting a battery substrate having cleavage planes, and cutting the battery substrate with pulsed laser bursts from a pulsed laser beam to control or limit fracture along the cleavage planes. The pulsed laser beam was al... | 01/04/2011 |
| 7857868 | Electrode and method for preparing the same using substrate induced coagulation (SIC) The present invention is related to an electrode and a method for preparing the same, and is particularly related to an electrode that has an intricate structure of active material layer, conductive material layer, or mixture layer of active material and conductive ... | 12/28/2010 |
| 7846220 | Electrochemical cell and production method thereof An electrochemical cell, and a method of producing an electrochemical cell are provided. The method includes a step in which a counter electrode film and a mold film are crimped. A sol-gel precursor is inserted into a pore in the mold film provided on the counter el... | 12/07/2010 |
| 7833674 | Method for improving robustness of solid oxide fuel cell stacks A method for forming a solid oxide fuel cell stack from a plurality of individual solid oxide fuel cells, wherein the anodes of the solid oxide fuel cells are infiltrated by one or more materials for making the anodes less sensitive to sulfur poisoning and/or less s... | 11/16/2010 |
| 7806943 | Secondary battery and method for producing the same A secondary battery includes an electrode plate group (1) in which a positive electrode plate (2) and a negative electrode plate (3) are wound or stacked with a separator (4) interposed therebetween and a battery case (7) in which ... | 10/05/2010 |
| 7806942 | Method for production of secondary solid state current source Application: in Electric Equipment, Specifically Production of Secondary Solid-State current sources (storage batteries). Nature of the invention: A method for production of a secondary solid-state current source through coating of both sides of solid electrolyte wi... | 10/05/2010 |
| 7803199 | Electrode structure for lithium secondary battery and secondary battery having such electrode structure An electrode structure for a lithium secondary battery including: a main active material layer including a metal powder selected from silicon, tin and an alloy thereof that can store and discharge lithium by electrochemical reaction, and a binder of an organic polym... | 09/28/2010 |
| 7794511 | Battery separator for lithium polymer battery A battery separator for a lithium battery is disclosed. The separator has a microporous membrane and a coating thereon. The coating is made from a mixture of a gel forming polymer, a first solvent, and a second solvent. The first solvent is more volatile than the se... | 09/14/2010 |
| 7763084 | Method for making battery plates A method of making a plurality of battery plates includes forming a strip including a plurality of battery grids. Each battery grid includes a grid network bordered by a frame element and includes a plurality of spaced apart grid wire elements. Each grid wire elemen... | 07/27/2010 |
| 7727290 | Flexible thin printed battery and device and method of manufacturing same A flat, flexible electrochemical cell is provided. The within invention describes various aspects of the flat, flexible electrochemical cell. A printed anode is provided that obviates the need for a discrete anode current collector, thereby reducing the size of the ... | 06/01/2010 |
| 7722687 | Methods for the deposition of electrocatalyst particles Energy devices such as batteries and methods for fabricating the energy devices. The devices are small, thin and lightweight, yet provide sufficient power for many handheld electronics. ... | 05/25/2010 |
| 7717968 | Electrode for energy storage device and method of forming the same A method of the present invention is used for the high-rate deposition of materials, such as carbon, silicon, metals, metal oxides, and the like, onto a metal substrate defined by a metal tape. The particles of the material are mixed with fluid and are injected agai... | 05/18/2010 |
| 7695531 | Method for producing a lithium microbattery During the production of a lithium microbattery, the electrolyte containing a lithiated compound is formed by successively depositing an electrolytic thin film, a first protective thin film that is chemically inert in relation to the lithium, and a first masking thi... | 04/13/2010 |
| 7678162 | Gas diffusion substrate and electrode An electrically conducting gas diffusion substrate, capable of removing oxidisable impurities from an impure gas stream, which comprises an electrically conducting porous structure and a first catalytic component, wherein the first catalytic component comprises a fi... | 03/16/2010 |
| 7662194 | Binder composition for fuel cell, membrane-electrode assembly for fuel cell, and method for preparing the membrane-electrode assembly The present invention relates to a binder composition for a fuel cell including a proton conductor and one or more binders selected from the group consisting of poly[2,2′-(m-phenylene)-5,5′-bibenzimidazole] (PBI), poly[2,5-benzimidazole] (ABPBI), polybenzoxazole... | 02/16/2010 |
| 7632317 | Method for making a battery A method for coating an active material with carbon to form an electrode material is disclosed, comprising: exposing olivine or nasicon to a carbon source gas in a furnace; and heating the carbon source gas to deposit carbon thereon. The carbon source gas, which may... | 12/15/2009 |
| 7615084 | Secondary battery, and its production process A cathode, an anode and a porous film are first provided. Then, the cathode and anode are aligned with the porous film and a part of the cathode and a part of the anode are fixed to said porous film. Then, the cathode, anode and porous film are immersed in a liquid ... | 11/10/2009 |
| 7611549 | Magnetic stacking fixture for stacking electrodes One aspect relates to a system for stacking electrodes. In various embodiments, the system comprises a working surface, a device to stack foil electrodes on the working surface during an assembly process to form an electrode stack, and a magnetic source to apply a m... | 11/03/2009 |
| 7608119 | Separator for low-temperature type fuel cell and production method therefor A stainless steel sheet useful as a separator for a low-temperature fuel cell has the surface state that a lot of fine projections (p) stand close together around many fine pits (d) formed over a whole surface. The surface state is realized by alternating electrolyt... | 10/27/2009 |
| 7601183 | Method for producing a reversible solid oxide fuel cell The present invention provides a method for producing a reversible solid oxide fuel cell, comprising the steps of: —providing a metallic support layer; —forming a cathode precursor layer on the metallic support layer; —forming an electrolyte layer on the catho... | 10/13/2009 |
| 7578859 | Poly (3,4-alkylenedioxythiophene)-based capacitors using ionic liquids as supporting electrolytes A supercapacitor comprising a poly(3,4-ethylendioxythiophene) (PEDOT) and poly(3,4-propylenedioxythiophene) (PProDOT) as electrode couples for the capacitor and a pair of gel electrolyte layers disposed between the electrodes. The gel electrolytes are separated by a... | 08/25/2009 |
| 7556656 | Battery and related manufacturing method A method of manufacturing a battery is provided including the step of locating a plurality of unit cells in a support body having an opening portion. A plurality of jigs each having a convex portion and a bore are mounted at the support body so as to cause the conve... | 07/07/2009 |
| 7547329 | Battery status indicator An apparatus and method for marking a battery as charged or uncharged, comprising a manually changeable label attached to a battery in a pocket region defined about a battery positive contact button, wherein the label may be changed by a user to indicate either char... | 06/16/2009 |
| 7531012 | Thin film electrochemical cell for lithium polymer batteries and manufacturing method therefor An electrochemical cell sub-assembly and a method for manufacturing same. The electrochemical cell sub-assembly includes a current collector sheet having a pair of opposite surfaces and a pair of opposite edges, each surface being coated with a respective layer of e... | 05/12/2009 |
| 7527659 | Metal hydride fuel storage and method thereof Disclosed herein is a metal hydride fuel storage cartridge having integrated resistive heaters that can be used in conjunction with fuel cells such as MEMS-based fuel cells. The cartridge is fabricated using micromachining methods and thin/thick film materials synth... | 05/05/2009 |
| 7517370 | Battery paste material and method A method of making a battery plate includes mixing particles of tetrabasic lead sulfate with leady oxide to form a paste material. The particles have an average spherical particle diameter of less than 2.5 micrometers. The method also includes providing at least a p... | 04/14/2009 |
| 7503943 | Fluorinated carbon active material Disclosed is an improved type of fluorinated carbon (CFx) for use in electrical storage devices such as batteries and capacitors. The CFx is coated with a conductive material such as gold or carbon using vapor deposition. The resulting material... | 03/17/2009 |
| 7458997 | Method for making compact chemical reactors The methods include steps for making a fuel cell layer, making a compact chemical reactor with high aspect ratio cavities from components with low aspect ratio cavities, and forming of a high aspect ratio compact chemical reactor using low aspect ratio layers. The m... | 12/02/2008 |
| 7455703 | Method for manufacturing polymer electrolyte fuel cell The present invention provides a polymer electrolyte fuel cell having an increased reaction area by forming a gas channel, a proton channel and an electron channel very close to each other inside a catalyst layer. This polymer electrolyte fuel cell includes a hydrog... | 11/25/2008 |
| 7455702 | Production method of lithium secondary battery and production device therefor A manufacturing method of the present invention includes ejecting a melt 61 of a solid electrolyte onto at least one electrode plate selected from a positive electrode plate 20 and a negative electrode plate 30, thereby depositing the melt 61... | 11/25/2008 |
| 7429280 | Method for producing a membrane for a fuel cell The invention relates to an ion-conductive polymer membrane for a fuel cell, whereby the polymer membrane is configured from a polymer-forming hydrocarbon material and to a method for producing the same. The membrane also has a metal-containing gel which has been hy... | 09/30/2008 |
