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| Number | Title | Issue Date |
| 7284411 | Method of making a gas diffusion media and quality controls for same The present invention discloses various methods in which a quality of a diffusion media for use in a fuel cell assembly can be qualitatively evaluated. The material constant, an internal contact angle, a ratio of high and low energy pores, and an external contact an... | 10/23/2007 |
| 7069993 | Down hole oil and gas well heating system and method for down hole heating of oil and gas wells A down hole heating system for use with oil and gas wells which exhibit less than optimally achievable flow rates because of high oil viscosity and/or blockage by paraffin (or similar meltable petroleum byproducts). The heating unit the present invention includes sh... | 07/04/2006 |
| 7070878 | Multi-layered oxygen electrode with peroxide decomposition catalyst A layered oxygen electrode incorporating a peroxide decomposition catalyst. The design of the oxygen electrode promotes oxygen dissociation and absorption within the oxygen electrode. The oxygen electrode has differing layers of hydrophobicity which allow chemical i... | 07/04/2006 |
| 6928893 | Method of making a gas diffusion media and quality controls for same The present invention discloses various methods in which a quality of a diffusion media for use in a fuel cell assembly can be qualitatively evaluated. The material constant, an internal contact angle, a ratio of high and low energy pores, and an external contact an... | 08/16/2005 |
| 6835489 | Double layer oxygen electrode and method of making A double layered oxygen electrode impregnated with an active catalyst material and method of making. The design of the oxygen electrode promotes oxygen dissociation and absorption within the oxygen electrode. The oxygen electrode has differing layers of hydrophobici... | 12/28/2004 |
| 6537438 | Method for protecting electrodes during electrolysis cell start-up The present invention is directed to methods for applying a protective layer (42) to the cathode (40) of an electrolysis cell (10), where the cell also contains inert anodes (50) and the protective layer (42) can comprise a plurality of layers (70, 72, 74... | 03/25/2003 |
| 6444602 | Structures and methods of manufacture for gas diffusion electrodes and electrode components Gas Diffusion Electrodes (GDEs) play a pivotal role in clean energy production as well as in electrochemical processes and sensors. These gas-consuming electrodes are typically designed for liquid electrolyte systems such as phosphoric acid and alkaline f... | 09/03/2002 |
| 6375827 | Electrochemical treating method and apparatus An electrochemical treating apparatus comprising an electrolytic cell comprising an anode and a cathode spaced apart from the anode, the anode including an electrode material made of diamond and the cathode including an electrode material made of diamond.... | 04/23/2002 |
| 6368476 | Structures and methods of manufacture for gas diffusion electrodes and electrode components Gas Diffusion Electrodes (GDEs) play a pivotal role in clean energy production as well as in electrochemical processes and sensors. These gas-consuming electrodes are typically designed for liquid electrolyte systems, and are commercially manufactured by ... | 04/09/2002 |
| 6103077 | Structures and methods of manufacture for gas diffusion electrodes and electrode components Gas Diffusion Electrodes (GDES) play a pivotal role in clean energy production as well as in electrochemical processes and sensors. These gas-consuming electrodes are typically designed for liquid electrolyte systems such as phosphoric acid and alkaline f... | 08/15/2000 |
| 5955215 | Bipolar electrode-electrolyte unit A bipolar electrode-electrolyte unit for an electrochemical cell includes a barrier layer, at least two carrier layers and at least two active layers, and an electrolyte. The active layers comprise an electroactive material with low resistance and high ca... | 09/21/1999 |
| 5871625 | Magnetic composites for improved electrolysis Magnetic composites exhibit distinct flux properties due to gradient interfaces. The composites can be used to improve fuel cells and batteries and effect transport and separation of different chemical species. Devices utilizing the composites include an ... | 02/16/1999 |
| 5817221 | Composites formed using magnetizable material, a catalyst and an electron conductor Magnetic composites exhibit distinct flux properties due to gradient interfaces. The composites can be used to improve fuel cells and batteries and effect transport and separation of different species of materials, for example, transition metal species su... | 10/06/1998 |
| 5744014 | Storage stable electrolytic gas generator for fluid dispensing applications An improved, gas-generating electrochemical cell utilizing a metal hydroxide containing cathode is disclosed. An electrolytic cell having an alkaline electrolyte, a metal hydroxide-containing cathode and a carbonaceous anode generator, a gas uniformly for... | 04/28/1998 |
| 5712062 | Carbon fluoride particles, preparation process and uses of the same Carbon fluoride particles in which a number-average particle size is 0.01 to 50 μm, a content of particles having such a diameter that the particles size distribution falls with in range of the number-average particle size &#b1;20% amounts to at least 50... | 01/27/1998 |
| 5665212 | Flexible, conducting plastic electrode and process for its preparation Conducting plastic electrodes and methods of preparing such electrodes are disclosed. The electrodes comprise a thermo-plastic polymer, an elastomeric polymer, and a conductive filler material.... | 09/09/1997 |
| 5603820 | Nitric oxide sensor An electrode sensor which may be used to specifically and quantitatively measure nitric oxide is provided, as well as a method of preparing and using such an electrode sensor to measure nitric oxide concentration in solution. A nitric oxide (NO) microsens... | 02/18/1997 |
| 5601694 | Electrochemical sensors A solid shale, multi-use electrochemical sensor having an electrically nonconductive substrate, a working electrode, and a semi-permeable membrane covering the working electrode. The working electrode includes an electrically conductive material adhered t... | 02/11/1997 |
| 5520786 | Mediators suitable for the electrochemical regeneration of NADH, NADPH or analogs thereof Disclosed is an improved electrode suitable for the electrochemical regeneration of the co-enzymes NADH and NADPH. The electrode has imparted on its surface a mediator function which is a 3-phenylimino-3H-phenothiazine or a 3-phenylimino-3H-phenoxazine. A... | 05/28/1996 |
| 5364513 | Electrochemical cell component or other material having oxidation preventive coating A body of carbonaceous or other material for use in corrosive environments such as oxidizing media or gaseous or liquid corrosive agents at elevated temperatures, in particular in molten salts such as cryolite, is coated with a protective surface coating ... | 11/15/1994 |
| 5326444 | Apparatus for electrolytic ozone generation An electrolytic ozone generating apparatus comprising a closely adhered electrode structure of (i) an anode composed of an electrically conductive porous material carrying an ozone generating catalyst, (ii) a perfluorocarbonsulfonic acid ion-exchange membrane ... | 07/05/1994 |
| 5308465 | Membrane for a gas diffusion electrode, process of manufacturing the membrane, and gas diffusion electrode provided with the membrane The membrane serves to cover a gas diffusion electrode on its outside surface facing a liquid electrolyte. The membrane is impermeable to gas and water-absorbent. It comprises a textile carrier layer. At least one gas-sealing layer, which contains ion exc... | 05/03/1994 |
| 5300206 | Antipercolation gas-diffusion electrode and method of making same A gas diffusion electrode is provided with antipercolation coating by bonding a free-standing film, e.g. of polysulfone or polypropylene, to a catalyzed carbon cloth utilizing a filled polysulfone/N-MP adhesive which is subjected to solvent exchange with ... | 04/05/1994 |
| 5128013 | Deposition of electroactive polymers A uniform, topographically planar layer of an electroactive polymer is electrodeposited onto a conductive substrate by first electrodepositing onto the conductive substrate a thin initiating layer of a different electroactive polymer prepared from monomer... | 07/07/1992 |
| 5100523 | Use of amorphous carbon to promote adhesion between electroactive polymer films and conductive substrates An interposed layer of amorphous carbon promotes the adhesion between conductive substrates and electrochemically deposited polymers. Such a carbon layer may be deposited directly onto the conductive substrate by conventional methods such as, for example,... | 03/31/1992 |
| 5055171 | Ionic semiconductor materials and applications thereof An electrode comprising: metallic electrode material; and a nonporous solid composite material encapsulating the electrode material, the composite material comprising an inert matrix material having hydrogel substantially uniformly dispersed therein, the ... | 10/08/1991 |
| 5002651 | Modified microelectrodes with renewable surface and method of making same Renewable composite microelectrodes for electrochemical applications are formed by an initial coating on an elongated conductive substrate of less than 500 micrometers over at least a portion of its length with a modifier composition, and a superposed coa... | 03/26/1991 |
| 4966675 | Polarizable electrode The polarizable electrode in an electrolyte comprises an electrically conductive conductor, advantageously metal or carbon, which is surrounded by an inner layer made of an electrically conductive plastic, which has a high stability to action by the elect... | 10/30/1990 |
| 4941961 | Flexible elastomer electrode An elastomeric electrode having an electrically conductive base, a protective layer enclosing the base formed of an elastomeric material having electrically conductive material selected from the group consisting of highly conductive carbon black, graphite... | 07/17/1990 |
| 4927514 | Platinum black air cathode, method of operating same, and layered gas diffusion electrode of improved inter-layer bonding A platinum black air cathode has an active layer and a support layer. The active layer comprises platinum black plus hydrophobic binder, typically a fluorinated polymer. The support layer may be made up from carbon black bound with a halopolymer binding a... | 05/22/1990 |
| 4880517 | Catalytic polymer electrode for cathodic protection and cathodic protection system comprising same A catalytic polymer electrode compries a current conducting polymer body forming an electrode base which is provided with catalytic valve metal particles fixed to its surface. A current conducting body of carbon filled thermoplastic polymer is heated to s... | 11/14/1989 |
| 4737256 | Laminated carbon cathode for cells for the production of aluminium by electrolytic smelting A laminated carbon cathode includes two layers of carbon blocks, i.e. and the upper layer of graphite of graphitised carbon, and a lower layer of a cheaper anthracite carbon. The two layers are so displaced with respect to one another that there are no ve... | 04/12/1988 |
| 4676878 | Apparatus and method for electronic decomposition of water into aqueous free radicals and free electrons An apparatus and method for the electronic decomposition of water into its component free radical parts and free electrons. In a cell containing an aqueous fluid, an electromotive force is applied to a positive charge storage core, insulated with semi-con... | 06/30/1987 |
| 4619753 | Bipolar plate for an apparatus with a stacked configuration, said apparatus comprised of a plurality of electrochemical cells with solid electrolyte; and method of manufacturing said plate A bipolar plate for an apparatus having a stacked configuration, said apparatus comprised of a plurality of electrochemical cells and employing a solid electrolyte, said bipolar plate comprised of a porous titanium plate (1) having a parallel groove struc... | 10/28/1986 |
| 4586999 | Three layer carbon based electrode The invention is an electrode comprising: (a) an electrically conductive first layer having a plurality of interconnecting passageways of an average diameter of from about 0.1 to about 1.0 microns, said first layer containing from about 2 to about 10 weight pe... | 05/06/1986 |
| 4568442 | Gas diffusion composite electrode having polymeric binder coated carbon layer A gas diffusion composite electrode useful in an electrochemical cell comprising an electrochemically active layer and a backing layer, said active layer characterized as porous, homogeneous, hydrophilic, and electrolyte-permeable and comprising a sintere... | 02/04/1986 |
| 4563261 | Gas diffusion electrode with a hydrophilic covering layer, and process for its production A gas diffusion electrode for the reduction of oxygen, which contains a hydrophobic electro-catalyst layer, is described. One side of this layer is covered with a hydrophilic layer which is composed of at least one transition metal or an oxide or mixed ox... | 01/07/1986 |
| 4556469 | Electrolytic reactor for cleaning wastewater Wastewater from metal plating operations is treated to remove heavy metal and other contaminants, including toxic organic materials, chelating agents, and cyanide. The wastewater is passed through the cathode and anode of an electrochemical reactor in whi... | 12/03/1985 |
| 4500405 | Cathode for electrolyzing acid solutions and process for producing the same A cathode for electrolyzing acid solutions which comprises an electrically conductive metal substrate, a spray coated layer of a cathode active material containing tungsten, tungsten carbide or a mixture thereof in an amount of 10% by weight or more on th... | 02/19/1985 |
| 4500647 | Three layer laminated matrix electrode The disclosure is directed to preparing three-layer laminated "matrix" electrodes suitable for use as oxygen (air) cathodes in chlor-alkali and other electrochemical cells, fuel cells and in other electrochemical applications. The term "matrix" as used he... | 02/19/1985 |
