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| Number | Title | Issue Date |
| 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 |
| 7427359 | Self-filling wet electrochemical cells by laser processing A method of preparing high capacity hydrous ruthenium oxide micro-ultracapacitors. A laser direct-write process deposits a film of hydrous ruthenium oxide in sulfuric acid under ambient temperature and atmospheric conditions. A dual laser process combining infrared ... | 09/23/2008 |
| 7425223 | Method for preparing electrochemical device with a layer structure To provide an electrochemical device with a layer structure causing no deterioration of characteristics of materials, in the method for preparing an electrochemical device comprising a first current collector, a first electrode active material layer, a solid electro... | 09/16/2008 |
| 7419546 | Gas diffusion electrodes, membrane-electrode assemblies and method for the production thereof A method for forming a noble metal coating on a gas diffusion medium substantially free of ionomeric components comprising subjecting an electrically conductive web to a first ion beam having an energy not higher than 500 eV, then to a second beam having an energy o... | 09/02/2008 |
| 7419512 | Electrode, battery using the same and method for manufacturing the electrode An electrode includes a composite mixture layer formed by applying a composite mixture having one of a cathode active material or an anode active material on one of main surfaces of a plurality of current collectors formed in substantially rectangular shapes; and a ... | 09/02/2008 |
| 7416815 | Negative electrode member for lithium battery and process for producing the same Affords high-stability, high-safety lithium secondary batteries of high energy density and superlative charge/discharge cyclability, in which shorting due to the growth of dendrites from the metallic-lithium negative electrode is kept under control. A lithium... | 08/26/2008 |
| 7402184 | Secondary battery and method for producing the same In a secondary battery including a positive electrode, a negative electrode and a porous film bonded to the surface of at least one of the positive electrode and the negative electrode, the porous film includes ceramic particles and a binder, and the ceramic particl... | 07/22/2008 |
| 7399321 | Soldering method of nonaqueous-electrolyte secondary-battery In a method of reflow soldering, a non-aqueous electrolyte secondary battery is discharged to a first discharge voltage different from a second discharge voltage at an inflection point in a discharge curve of the non-aqueous electrolyte secondary battery having an a... | 07/15/2008 |
| 7399322 | Method of making porous polymeric separator and lithium ion polymer battery The present invention relates to a method of making a polymeric porous separation membrane for a lithium ion polymer battery, the method comprising: providing a porous polyolefin membrane and a polymer solution of the concentration of 1–20 weight % in an organic s... | 07/15/2008 |
| 7389580 | Method and apparatus for thin-film battery having ultra-thin electrolyte A method and system for fabricating solid-state energy-storage devices including fabrication films for devices without an anneal step. A film of an energy-storage device is fabricated by depositing a first material layer to a location on a substrate. Energy is suppl... | 06/24/2008 |
| 7390336 | Polyimide-based lithium metal battery The present invention relates to Lithium Metal batteries. In particular, it is related to lithium metal batteries containing a polyimide-based electrolyte. The present invention concerns a new concept of polyimide-based electrolytic component having an electrolyte c... | 06/24/2008 |
| 7384433 | Densification of compressible layers during electrode lamination A compressible and deformable layer is densified and laminated to a layer of a material that is relatively resistant to stretching. The densification and bonding take place in a single step. As used in fabrication of electrodes, for example, electrodes for double la... | 06/10/2008 |
| 7381500 | Method for preparing a lithium secondary battery comprising a multi-phase separator and lithium secondary battery made using the same A method of preparing a lithium secondary battery including a multi-phase separator having a gelled polymer uniformly impregnated therein, includes surface-treating a porous separator to provide a coated weight of a gelled polymer less than or equal to 20 mg/cm... | 06/03/2008 |
| 7361426 | Surface structure for enhancing catalyst reactivity and method of manufacturing thereof A method of enhancing catalyst reactivity includes (1) depositing a conductive oxide on a suitable substrate, (2) depositing a thin film of catalyst on top of the conductive oxide to form a sandwich structure, and (3) annealing the structure at a, suitable temperatu... | 04/22/2008 |
| 7358004 | Carbon black, electrocatalyst carrier formed from carbon black, and electrocatalyst and electrochemical device using carrier A carbon black is provided which is useful as an electrocatalyst carrier. The carbon black has a DBP oil absorption of 170 to 300 cm3/100 g, a specific surface area as measured by a BET method of 250 to 400 m2/g, a primary particle diameter val... | 04/15/2008 |
| 7355841 | Configurations and methods for making capacitor connections An exemplary capacitor has a capacitor stack positioned in a case with a conductor positioned between the case and a lid. In one embodiment the conductor is positioned between the lid and an upper rim of the case and is welded to the lid and case. In one aspect, a c... | 04/08/2008 |
| 7347880 | Flat capacitor having staked foils and edge-connected connection members A method of joining a connection member to a capacitor foil using a staking tool having a tip of less than 0.030″ (0.762 mm) in diameter. Another embodiment couples multiple connection members of a capacitor together by edge-connecting each connection member to it... | 03/25/2008 |
| 7348102 | Corrosion protection using carbon coated electron collector for lithium-ion battery with molten salt electrolyte A battery, such as a lithium-ion battery, comprises a first electrode, a second electrode, a molten salt electrolyte, and an electron collector, associated with the first electrode, the electron collector comprising an electrically conducting film. The battery furth... | 03/25/2008 |
| 7344804 | Lithium/air batteries with LiPON as separator and protective barrier and method A method and apparatus for making lithium/air batteries with LiPON as separator and protective barrier, and the resulting cell(s) and/or battery(s). Some embodiments include an apparatus that includes a lithium anode; a polymer-air cathode; and a LiPON separator bet... | 03/18/2008 |
| 7338624 | Ceramic manufacture for a composite ion transport membrane A method of producing a green form for use in manufacturing a composite, ceramic ion transport membrane is provided in which first and second ceramic powder mixtures are used to produce first and second layers of the green form. The first and second ceramic powder m... | 03/04/2008 |
| 7334625 | Manufacture of casting cores A method for forming an investment casting core comprises cutting a patterned core precursor from refractory metal-based sheet. The cutting forms recast along the cuts. An oxide is grown on non-recast areas. The recast is substantially chemically removed but substan... | 02/26/2008 |
| 7335321 | Films for electrochemical components and method for production thereof The invention relates to a paste-like mass that can be used in electrochemical structural elements, comprising a heterogeneous mixture of (1.) a matrix (A) containing at least one organic polymer, precursors thereof, or prepolymers thereof, or consisting of said com... | 02/26/2008 |
| 7328831 | Method of making a brazed metal article and the article formed thereby A method of making an article that is comprised of a metal foam in contact with a base metal by an intermediate braze composition, in particular, a method of brazing a metal foam to a base metal via a braze composition. In one preferred method, a polymeric foam is c... | 02/12/2008 |