H01M4/8814

Method of manufacturing membrane electrode assembly with minimized interfacial resistance

Disclosed is a method of manufacturing a membrane electrode assembly with minimized interfacial resistance between an electrode and an electrolyte membrane. For instance, a catalyst admixture including a catalyst composite including a catalyst and a first binder, and a second binder may be applied to a porous substrate and the porous substrate may be impregnated with the second binder, thereby minimizing interfacial resistance between the electrode and the electrolyte membrane and reducing a thickness of the electrolyte membrane.

Electrocatalysts with branched-type porosity

A composition comprising a carbon material comprising a first channel with a width in the range of 50 nm to 1000 nm and a second channel with a width in the range of 20 nm to 200 nm, wherein the second channel comprises branches and is in fluid communication with the first channel, is provided. Further, articles comprising the composition are provided. A method for making a templated carbon material with hierarchical porosity is also provided.

Dry fuel cell electrodes and methods of manufacture
11777104 · 2023-10-03 · ·

Ways of making electrodes and electrodes produced thereby are provided. Dry blending of a powder mixture including a catalyst, an ionomer, and a polyether forms a blended mixture, which can be comminuted to obtain a desired particle size. A slurry of the blended mixture is formed with an aqueous medium and the slurry is coated onto a substrate to form a coated substrate. The coating can be transferred to another substrate or material for use as an electrode and/or the substrate of the coated substrate can form part of a structure, such as a membrane electrode assembly for use in a fuel cell.

High-performance membrane electrode unit and the use thereof in fuel cells

The present invention relates to a membrane electrode unit comprising a polymer membrane doped with a mineral acid as well as two electrodes, characterized in that the polymer membrane comprises at least one polymer with at least one nitrogen atom and at least one electrode comprises a catalyst which is formed from at least one precious metal and at least one metal less precious according to the electrochemical series.

CATALYSED MEMBRANE
20230369624 · 2023-11-16 ·

The present invention provides a catalysed ion-conducting membrane comprising an ion-conducting membrane, an electrocatalyst layer having two opposing faces, and a layer A comprising an ion-conducting material and a carbon containing material. Also provided are methods for preparing the catalysed ion-conducting membrane.

METHOD FOR PRODUCING CATALYST-COATED MEMBRANES

The invention relates to a method for producing a catalyst-coated polymer membrane for an electrolyser and/or a fuel cell. In a first step, the method preferably comprises the provision of a glass-ceramic substrate. A mesoporous catalyst layer is then preferably synthesized on the glass-ceramic substrate. In a next step, a polymer membrane is preferably pressed onto the glass-ceramic substrate coated with the catalyst layer at a first temperature T.sub.1. This results in a sandwich structure. In a final process step, the sandwich structure is separated, the catalyst layer being separated from the glass-ceramic substrate and adhering to the polymer membrane.

In addition, the invention relates to a polymer membrane which has been produced by the process of the type mentioned at the outset, and to an electrolyser or a fuel cell having such a polymer membrane.

METHOD FOR PRODUCING A FUNCTIONALIZED STRUCTURIZED COMPOSITION FOR A FUEL CELL AND MEMBRANE ELECTRODE ASSEMBLY
20230369607 · 2023-11-16 ·

A method for producing a functionalized structurized composition for a fuel cell is provided, involving: applying at least one electrode containing catalyst particles to a substrate layer in a coating step, and introducing a depth structure in an electrode surface facing away from the substrate layer in a radiation step by means of using laser interference structurization. A membrane electrode assembly is also provided.

MEMBRANE ELECTRODE ASSEMBLY (MEA) FOR PROTON EXCHANGE MEMBRANE ELECTROCHEMICAL CELL

A membrane electrode assembly (MEA) includes an ionically-conductive proton exchange membrane. Further, the MEA includes an anode contacting a first side of the membrane. The anode includes an anode gas diffusion layer (GDL). Further, the anode includes a first anode catalyst layer containing first catalyst particles, a hydrophobic polymer bonding agent, and a first ionomer bonding agent that lacks functional chains on a molecular backbone. The anode also includes a second anode catalyst layer containing second catalyst particles and a second ionomer bonding agent that includes functional chains on a molecular backbone. The MEA also includes a cathode contacting a second side of the membrane and comprising third catalyst particles and a cathode GDL.

TRANSFER SHEET, TRANSFER METHOD AND METHOD FOR MANUFACTURING MEMBRANE ELECTRODE ASSEMBLY
20230352696 · 2023-11-02 ·

To improve peelability of a base sheet regardless of a type of the base sheet.

A transfer sheet (50A, 50B) in which a transfer layer (52) is laminated on a base sheet (51) includes a plurality of gas occlusion bodies (60) in a surface of or inside the transfer layer (52). The gas occlusion bodies (60) store gas therein and release the stored gas when energy is applied.

Automated gain and boost for a brake controller

The present disclosure includes a system, method, and device related to controlling brakes of a towed vehicle. A brake controller system includes a brake controller that controls the brakes of a towed vehicle based on acceleration. The brake controller is in communication with a speed sensor. The speed sensor determines the speed of a towing vehicle or a towed vehicle. The brake controller automatically sets a gain or boost based on the speed and acceleration.