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| Number | Title | Issue Date |
| 4035551 | Electrolyte reservoir for a fuel cell An electrolyte reservoir layer disposed behind and adjacent one of the catalyst layers of a fuel cell is a porous, hydrophilic material. Excess liquid volume wicks into the reservoir layer through the catalyst layer and fills the smaller pores within the ... | 07/12/1977 |
| 4024044 | Electrolysis cathodes bearing a melt-sprayed and leached nickel or cobalt coating A cathode adapted for the electrolysis of water or an aqueous solution of an alkali metal halide salt because it gives prolonged lowering of hydrogen overvoltage is provided by an electrically conductive substrate bearing on its surface a coating produced... | 05/17/1977 |
| 4017664 | Silicon carbide electrolyte retaining matrix for fuel cells In a fuel cell utilizing an acid electrolyte, such as H3 PO4, the electrolyte retaining matrix is made from silicon carbide. The silicon carbide has been found to be virtually inert to H3 PO4 at fuel cell operat... | 04/12/1977 |
| 3992278 | Electrolysis cathodes having a melt-sprayed cobalt/zirconium dioxide coating A cathode adapted for the electrolysis of water or an aqueous alkali metal halide salt solutions because it gives prolonged lowering of hydrogen overvoltage is provided by an electrically conductive substrate bearing on its surface a coating of a melt-spr... | 11/16/1976 |
| 3991169 | Method for the production of porous carbon sheet A porous carbon sheet having excellent physical properties is obtained by dispersing oxidized pitch fibers in a liquid containing at least one wetting agent having at least one hydroxyl group and a boiling point of not less than 150° C, subsequently shap... | 11/09/1976 |
| 3985578 | Tailored-carbon substrate for fuel cell electrodes In accordance with a preferred embodiment of this invention, the polarization or overvoltage of a carbon black-based air cathode is significantly reduced by adding from 1 to 5 percent, by weight based on the total carbon composition, of carbon derived fro... | 10/12/1976 |
| 3977901 | Metal/air cells and improved air electrodes for use therein Air electrodes for use in electrochemical energy cells which comprise a hydrophilic layer and a hydrophobic layer laminated thereto. The hydrophilic layer essentially comprises a hydrophilic composite which includes I. an oxygen absorption/reduction carbo... | 08/31/1976 |
| 3961987 | Electro-catalyst and process of manufacture The invention relates to an electrocatalyst capable of being used, in particular, in anodes of fuel cells with acid electrolyte, and to a process for the manufacture of this electrocatalyst. The electrocatalyst contains at least one ternary metal compound... | 06/08/1976 |
| 3956014 | Precisely-structured electrochemical cell electrode and method of making same An electrochemical cell electrode, having clearly segregated and structured hydrophobic gas channels and electrolyte-filled catalyst channels is provided in which the size and shape of the various passages are such that they offer little resistance to the... | 05/11/1976 |
| 3944434 | Hybrid electrode for metal/air cells A hybrid electrode for metal/air cells of the type having a hydrophilic layer of nickel on the electrolyte side for the precipitation of oxygen, hydrophobic layer of plastic on the gas side and a hydrophobic layer of carbon between these two layers which ... | 03/16/1976 |
| 3935027 | Oxygen-reduction electrocatalysts for electrodes Gas electrodes which contain a hydrophilic layer are disclosed. The hydrophilic layer is adapted to provide a gas-liquid interface therein; and includes an oxygen absorption/reduction material selected from the group consisting of CaMnO3 and Ca... | 01/27/1976 |
| 3932197 | Method for catalyzing a fuel cell electrode and an electrode so produced A porous conducting particle, hydrophobic bonded, substrate supported electrode is prewetted with the electrolyte. A D.C. voltage is applied to the electrode to assist in the prewetting with the electrolyte. A soluble catalyst-containing material is then ... | 01/13/1976 |