Patent classifications
H01M4/8878
Nanoscale SOFC electrode architecture engineered using atomic layer deposition
One embodiment includes forming surface-modifying phases on a surface of a functional electrode via atomic layer deposition and controlling the chemistry of constituent phases, the crystalline nature of the constituent phases and the thickness of the surface-modifying phase via the atomic layer deposition such that the thickness is between about 2 nm to about 200 nm. The surface-modifying phases enhances the performance of electrocatalytic activity of the functional electrode and the device.
Apparatus and method associated with reformer-less fuel cell
An electrolyte membrane for a reformer-less fuel cell is provided. The electrolyte membrane is assembled with fuel and air manifolds to form the fuel cell. The fuel manifold receives an oxidizable fuel from a fuel supply in a gaseous, liquid, or slurry form. The air manifold receives air from an air supply. The electrolyte membrane conducts oxygen in an ionic superoxide form when the fuel cell is exposed to operating temperatures above the boiling point of water to electrochemically combine the oxygen with the fuel to produce electricity. The electrolyte membrane includes a porous electrically non-conductive substrate, an anode catalyst layer deposited along a fuel manifold side of the substrate, a cathode catalyst layer deposited along an air manifold side of the substrate, and an ionic liquid filling the substrate between the anode and cathode catalyst layers. Methods for manufacturing and operating the electrolyte membrane are also provided.
Pt—Ni—Ir catalyst for fuel cell
Nanoporous oxygen reduction catalyst material comprising PtNiIr. The nanoporous oxygen reduction catalyst material is useful, for example, in fuel cell membrane electrode assemblies.
Apparatus for fabricating membrane-electrode-subgasket assembly and method for fabricating membrane-electrode-subgasket assembly using the same
An embodiment apparatus for fabricating a membrane-electrode-subgasket assembly includes a feeding unit including a sheet feeding roller configured to feed a membrane-electrode assembly sheet having catalyst layers provided on both surfaces thereof, a cutting unit including a cutting roller and a support roller configured to rotate in engagement with the cutting roller, wherein the cutting roller is configured to punch portions outside each of the catalyst layers, a first pressing unit including a suction roller and a first hot roller, and a second pressing unit including second hot rollers.
Method for manufacturing fuel electrode support for solid oxide fuel cell and fuel electrode support for solid oxide fuel cell
The present application relates to a method of manufacturing an anode supporter of a solid oxide fuel cell and an anode supporter of a solid oxide fuel cell, and may improve performance and durability of the fuel cell by improving an interfacial property between the anode supporter and an electrolyte.
Method of treating carbon electrode
A method of treating a carbon electrode includes heat treating a carbon-based electrode in an environment that is above approximately 325 C. and that includes an oxidizing gas, and prior to use of the carbon-based electrode in an electro-chemical battery device, soaking the carbon-based electrode in an oxidizer solution.
Electrode Plate Processing Device
The present disclosure relates to an electrode plate processing device. The electrode plate processing device includes: an electrode plate conveying mechanism configured to convey an electrode plate; a cutting mechanism disposed opposite to the electrode plate and configured to cut the electrode plate to form a tab; and a waste adsorption mechanism disposed downstream of the cutting mechanism along a conveying direction of the electrode plate. The waste adsorption mechanism includes an active driving roller, a driven support roller, and a conveyer belt that is coupled to the active driving roller and the driven support roller in a transmission way. The conveyer belt is driven by the active driving roller to rotate and configured to provide an adsorption force to a waste edge produced during the cutting of the electrode plate so as to adsorb the waste edge.
Method for manufacturing catalyst having supported catalyst particles of core/shell structure
A method for forming catalyst particles, each of which has a core/shell structure, by a Cu-UPD method. Namely, a method of manufacturing a catalyst wherein catalyst particles, each of which has a core/shell structure composed of a shell layer that is formed of platinum and a core particle that is covered with the shell layer and is formed of a metal other than platinum, are supported on a carrier. This method is characterized by comprising: an electrolysis step wherein the carrier supporting the core particles is electrolyzed in an electrolytic solution containing copper ions, so that copper is precipitated on the surfaces of the core particles; and a substitution reaction step wherein a platinum compound solution is brought into contact with the core particles, on which copper has been precipitated, so that the copper on the surface of each core particle is substituted by platinum, thereby forming a shell layer that is formed of platinum. This method is further characterized in that the platinum compound solution in the substitution reaction step contains citric acid.
Method for manufacturing anode support of solid oxide fuel cell, and anode support of solid oxide fuel cell
The present application relates to a method of manufacturing an anode support of a solid oxide fuel cell and an anode support of a solid oxide fuel cell, and may improve performance and durability of the fuel cell by improving an interfacial property between the anode support and an electrolyte.
IONOMERS FOR IMPROVING THE DURABILITY OF MEMBRANE ELECTROCHEMICAL DEVICES AND ELECTRODES DERIVED THEREFROM
An electrochemical device (100) includes an ion exchange membrane (120), a first electrode (110) adjacent to a first side thereof and a second electrode (130) adjacent to a second side thereof. At least one of the first electrode (110) and the second electrode (130) includes a current collector layer (112, 132) and a catalyzing layer (114, 134) applied thereto. The catalyzing layer (114, 134) includes an ion-conducting polymer (116), a plurality of electroactive catalyst particles (115, 118) and an adhesive (118) that binds the polymer (116), the catalyst particles (115, 118) and the current collector layer together (112, 132). In a method of making an electrode, an ion-conducting polymer, a plurality of electroactive catalyst particles and an adhesive are mixed in a solvent, which is applied to a current collector layer. The solvent is evaporated so that the adhesive binds the polymer and the catalyst particles to the current collector.