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| Number | Title | Issue Date |
| 8057646 | Electrolyser and components therefor The present invention is directed to cell plates for an electrolyser module and to an electrolyser module incorporating the plates. The plates comprise an electrolysis chamber opening, at least one degassing chamber opening, and at least one gas-liquid conduit openi... | 11/15/2011 |
| 8038854 | Electrolysis installation The invention relates to an electrolysis installation comprising at least two rows of electrodes that are immersed at least in part in a liquid electrolyte giving off one or more gaseous species of corrosive nature at the electrodes, at least one separation membrane... | 10/18/2011 |
| 7402358 | Electrochemical cell bipolar plate A bipolar plate for an electrochemical cell is disclosed. The bipolar plate includes a unitary plate having first and second inlet ports, first and second outlet ports, first flow channels, and second flow channels. A first inlet header channel at one end of the fir... | 07/22/2008 |
| 7351317 | Electrolytic cell comprising an interior trough The invention relates to an electrolysis device for halogen gas production from an aqueous alkali halide solution in several plate-type electrolysis cells stacked and arranged side by side, with electrical contacts, each of the cells with a housing consisting of two... | 04/01/2008 |
| 7335284 | Modular electrochemical cell A modular electrochemical cell having two interchangeable assemblies each with a support structure defining a cylindrical recess and having a fitting for connecting a pipe to the assembly. A disc-shaped electrode is arranged inside each recess and the assemblies are... | 02/26/2008 |
| 7332063 | Structure for an electrochemical reactor of the filter-press type A structural component for electrolytic cells of an electrochemical reactor of the filter-press type, comprising a frame (6) supporting its corresponding functional element (7, 7a), a bipolar sheet or a diaphragm, respectively. ... | 02/19/2008 |
| 7323089 | Bonded membrane-electrode assembly for electrolysis of water and water electrolyzer using the same The present invention provides a bonded membrane-electrode assembly for electrolysis of water, which enables the generation of hydrogen capable of being used as a fuel for a fuel cell by electrolyzing water, and a water electrolyzer constructed using the bonded memb... | 01/29/2008 |
| 7323090 | Bipolar zero-gap type electrolytic cell A bipolar zero-gap electrolytic cell comprising an anode comprising an anode substrate constituted of a titanium expanded metal or titanium metal net of 25 to 70% opening ratio, which anode after coating the substrate with a catalyst has a surface of 5 to 50 μm une... | 01/29/2008 |
| 7318547 | Method for assembling parts made of materials based on SiC by non-reactive refractory brazing, brazing composition, and joint and assembly obtained by said method Method for assembling at least two pieces of silicon carbide based materials by non reactive refractory brazing, wherein these pieces are put into contact with a non reactive brazing solder composition and the assembly formed by the pieces and the brazing solder com... | 01/15/2008 |
| 7311808 | Device and method for increasing mass transport at liquid-solid diffusion boundary layer A device and method for increasing the mass transport rate of a chemical or electrochemical process at the solid and fluid interface in a fluid cell. The device includes a membrane in close contact with surface of the work piece, to separate the process cell into tw... | 12/25/2007 |
| 7176018 | Cell lysis device A micromachined cell lysis device with electrodes that are spaced by less than 10 μm from one another. The cells are attracted to the space between the electrodes and then lysed. ... | 02/13/2007 |
| 7144483 | Method and an electrowinning cell for production of metal The present invention relates to a method for production of molten aluminium by electrolysis of an aluminous ore, preferably alumina, in a molten salt mixture, preferably a sodium fluoride—aluminium fluoride-based electrolyte. The invention describes an electrolys... | 12/05/2006 |
| 7138203 | Apparatus and method of manufacture of electrochemical cell components A component for an electrochemical cell comprises a thermally and electrically conductive core, wherein the conductive core comprises apertures, and wherein the conductive core further comprises an active area substantially covered by an electrically and thermally c... | 11/21/2006 |
| 7048839 | System and method for generating high pressure hydrogen The invention provides a system and a method for generating high pressure hydrogen that is able to efficiently and safely generate hydrogen by only the electrolysis of water even when using electric power generated by a frequently varying natural energy, such as sun... | 05/23/2006 |
| 7045042 | Gas-collecting electrets as magneto-electrolysis cell components A tank-type water electrolysis apparatus with unipolar electrodes arrangement and wherein imposed magnetic fields enhance electrolyte solution circulation, further enhanced in apparatus operation by use of immersed electrets providing partitioning structure between ... | 05/16/2006 |
| 7005210 | Flow fields for fuel cells An improved proton exchange membrane fuel cell assembly and fuel cell stack assembly are provided for the economical and efficient production of electricity. The present invention comprises improved flow fields, which provide improved and more efficient mass transpo... | 02/28/2006 |
| 7005209 | Fuel cell stack assembly Disclosed herein is a novel fuel cell stack assembly. In one embodiment, the stacks of the present invention comprise: a first and a second end plate; a plurality of fuel cells interposed between the first and second end plates, at least one of the fuel cells having... | 02/28/2006 |
| 7001687 | Unitized MEA assemblies and methods for making same The present invention comprises a unitized MEA assembly for use in a fuel cell or a fuel cell stack assembly. In the embodiments of the invention, the MEA is made integral to the frame to reduce certain risks and disadvantages associated with nonstabilized MEAs in f... | 02/21/2006 |
| 6974647 | Fuel cell fluid distribution layer having integral sealing capability A fuel cell fluid distribution layer, in one embodiment, comprises perforated graphite foil. The fluid distribution layer can have one or more reactant flow field channels formed in one or both major surfaces, one or more manifold openings, conductive filler on one ... | 12/13/2005 |
| 6955862 | Fuel cell block The fuel cell block has stacked elements. At least two adjacent elements define an intermediate space between them. Radial channels are formed between the two elements or in one of the elements. The radial channels connect the space to an axial channel through the s... | 10/18/2005 |
| 6951698 | Fuel cell stack assembly An improved proton exchange membrane fuel cell assembly and fuel cell stack assembly are provided for the economical and efficient production of electricity. The present invention comprises improved flow fields and reactant supply systems, which provide improved and... | 10/04/2005 |
| 6949178 | Electrochemical method for preparing peroxy acids A method and apparatus for the generation and collection of an aqueous peracid solution at the cathode of a PEM electrolyzer. The electrochemical process introduces carboxylic acid (such as distilled table vinegar, lactic acid, citric acid or combinations) to the an... | 09/27/2005 |
| 6905581 | Oxygen permeable electrode system An electrochemical device (18) for generating a desired gas of the type includes an ionically conductive electrolyte layer (20), a porous electrode layer (22), and a current collector layer (16) that has a high electrical conductivity and... | 06/14/2005 |
| 6881511 | Gas diffusion electrodes containing modified carbon products Gas-diffusion electrodes containing modified carbon products are described wherein the modified carbon product is a carbon product having attached at least one organic group. The modified carbon product can be used for at least one component of the electrodes such a... | 04/19/2005 |
| 6841046 | System for supplying a generator with hydrogen A system is for supplying a generator with hydrogen, in particular a generator of a power generating plant. The system offers a high level of safety while at the same time making handling easy. The system includes a closed system cycle for carrying water and/or gas ... | 01/11/2005 |
| 6841058 | Redox bipolar cell fabric washer system A redox bipolar cell fabric washing system and method is disclosed that provides for washing fabrics without the use of any added detergents, fabric softeners, or bleaches, or other chemical al additives. The system includes a conventional fabric washing machine wit... | 01/11/2005 |
| 6773561 | Unit cell for alkali chloride metal aqueous solution electrolytic tank Disclosed is a unit cell for use in a bipolar, filter press type electrolytic cell comprising a plurality of unit cells arranged in series through a cation exchange membrane disposed between respective adjacent unit cells, each unit cell comprising anode-side and ca... | 08/10/2004 |
| 6740436 | Hydrogen/oxygen generating system with temperature control A mixed hydrogen-oxygen fuel generator system uses an electrolytic solution to generate gaseous hydrogen-oxygen fuel through the electrolysis of water. This generator system includes: at least one electrolytic cell with multiple metallic plates used as an internal i... | 05/25/2004 |
| 6703153 | Ceramic composite electrolytic device An electrical power generating device having a plurality of ceramic composite cells, each cell having a cathode and an anode. A thermal shell in which the ceramic composite cells are stacked or arranged in electrical series and gas parallel surrounded by ... | 03/09/2004 |
| 6685821 | Method and system for producing high-pressure hydrogen Disclosed are methods and systems for generating hydrogen gas at pressures high enough to fill a hydrogen storage cylinder for stationary and transportation applications. The hydrogen output of an electrochemical hydrogen gas generating device is integrat... | 02/03/2004 |
| 6610193 | System and method for the production and use of hydrogen on board a marine vessel This invention is directed to an integrated onboard hydrogen (H2) production and utilization system for all watercraft, which yields environmentally benign vessel power production without new infrastructure requirements. Water (H2 O)... | 08/26/2003 |
| 6527921 | Electrochemical cell stacks An electrochemical cell stack comprising stack walls and a plurality of electrolytic cells within the stack walls, each cell comprising cell members selected from an anode a cathode; a membrane separator frame formed of a non-conductive material and havin... | 03/04/2003 |
| 6471850 | Low gravity electrochemical cell An electrochemical cell system includes a hydrogen electrode; an oxygen electrode; a membrane disposed between the hydrogen electrode and the oxygen electrode; and a compartmentalized storage tank. The compartmentalized storage tank has a first fluid stor... | 10/29/2002 |
| 6417069 | Substrate processing method and manufacturing method, and anodizing apparatus A porous layer is formed on an Si substrate using an anodizing apparatus having a conductive partition inserted between a cathode and an anode. First, the cathode and Si substrate are brought into electrical contact through a first electrolyte, and the co... | 07/09/2002 |
| 6328863 | Spiral feed and discharge manifold for electrolytic cells A bipolar electrolytic cell can include, as a manifold, a spiral manifold assembly. This spiral manifold assembly will comprise a first outer assembly member, a second outer assembly member and a center assembly member. The overall structure can provide r... | 12/11/2001 |
| 6315886 | Electrolytic apparatus and methods for purification of aqueous solutions Electropurification of contaminated aqueous media, such as ground water and wastewater from industrial manufacturing facilities like paper mills, food processing plants and textile mills, is readily purified, decolorized and sterilized by improved, more e... | 11/13/2001 |
| 6309521 | Electrolyzer An ozone generator which operates at constant pressures to produce a continuous flow of ozone in an oxygen stream having from 10% to 18% by weight of ozone. The ozone generator includes one or more electrolytic cells comprising an anode/anode flowfield, a... | 10/30/2001 |
| 6214181 | Ion exchange membrane bipolar electrolyzer The present invention discloses a new design of elements for ion exchange membrane electrolyzers for the electrolysis of brine to produce chlorine, hydrogen and caustic soda. This new design solves the problems affecting prior art, by both minimizing the ... | 04/10/2001 |
| 6203676 | Ionic conduction device An ionic conduction device comprises a stack of layers, each layer comprising an electrolyte membrane having a pair of opposed surfaces, a gas permeable electrode in contact with each opposed surface, and there being a plurality of interconnects in electr... | 03/20/2001 |
| 6203675 | Electrochemical conversion of anhydrous hydrogen halide to halogen gas using an electrochemical cell The present invention relates to an electrochemical cell and a process for converting anhydrous hydrogen halide to halogen gas using a membrane-electrode assembly (MEA) or a separate membrane and electrode arrangement, such as gas diffusion electrodes wit... | 03/20/2001 |
