Abrégé

The present disclosure provides approaches for increasing the adhesion of a catalyst ink on a substrate, use of binders within an electrode ink to enhance coating uniformity, incorporating pore-forming agents within an electrode ink, approaches for growing an electrode on a reinforcement layer, increasing the electrochemically active surface area, and incorporation of certain materials in an electrode ink. The present disclosure also relates to electrodes for electrochemical cells, including area-scalable electrodes designed for high-speed manufacturing. The materials, devices and methods described herein may apply to either one or both of an anode or a cathode electrode for an electrochemical cell.

Classes IPC  ?

• C25B 11/077 - Oxyde de métal non noble
• C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
• C25B 11/031 - Électrodes poreuses
• C25B 11/061 - Métal ou alliage
• C25B 11/065 - Carbone
• C25B 11/081 - Métal noble

Abrégé

The present application relates to membrane electrodes, particularly electrolyzer devices, including innovative materials and approaches to membrane electrode design and fabrication.

Classes IPC  ?

• C25B 13/08 - DiaphragmesÉléments d'espacement caractérisés par le matériau à base de matériaux organiques
• B01J 41/12 - Composés macromoléculaires
• C25B 9/23 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes comprenant des membranes échangeuses d'ions dans ou sur lesquelles est incrusté du matériau pour électrode

Abrégé

The present application relates to membrane electrodes, particularly electrolyzer devices, including innovative materials and approaches to membrane electrode design and fabrication.

Classes IPC  ?

• C08J 5/20 - Fabrication de structures façonnées de résines échangeuses d'ions
• C08J 5/22 - Bandes, membranes ou diaphragmes
• C08J 5/2206 -
• C08G 61/10 - Composés macromoléculaires contenant uniquement des atomes de carbone dans la chaîne principale de la molécule, p. ex. polyxylylènes uniquement des atomes de carbone aromatiques, p. ex. polyphénylènes

Abrégé

The present application relates to a flow field for use in an electrolysis cell comprising one or more sheets of porous material with a corrugated structure. The electrolysis cell comprises a membrane, an anode, a cathode, an anode reinforcement layer, a cathode reinforcement layer, an anode flow field, a cathode flow field, and a bipolar plate assembly comprising an embedded hydrogen seal. The anode flow field comprises one or more porous sheets having at least one straight edge and at least one of the porous sheets has the form of a corrugated pattern with a plurality of peaks and valleys whose axes are generally aligned with one straight edge of the sheet. The anode flow field geometry simultaneously provides resiliency, for efficient mechanical compression of the cell, and well-distributed mechanical support for the anode reinforcement layer adjacent to the anode flow field.

Classes IPC  ?

• C25B 9/70 - Assemblages comprenant plusieurs cellules
• C25B 11/031 - Électrodes poreuses
• C25B 11/051 - Électrodes comportant des électro-catalyseurs sur un substrat ou un support
• C25C 1/20 - Production, récupération ou affinage électrolytique des métaux par électrolyse de solutions des métaux nobles
• H01M 4/86 - Électrodes inertes ayant une activité catalytique, p. ex. pour piles à combustible

Abrégé

The present application relates to a flow field for use in an electrolysis cell comprising one or more sheets of porous material with a corrugated structure. The electrolysis cell comprises a membrane, an anode, a cathode, an anode reinforcement layer, a cathode reinforcement layer, an anode flow field, a cathode flow field, and a bipolar plate assembly comprising an embedded hydrogen seal. The anode flow field comprises one or more porous sheets having at least one straight edge and at least one of the porous sheets has the form of a corrugated pattern with a plurality of peaks and valleys whose axes are generally aligned with one straight edge of the sheet. The anode flow field geometry simultaneously provides resiliency, for efficient mechanical compression of the cell, and well-distributed mechanical support for the anode reinforcement layer adjacent to the anode flow field.

Classes IPC  ?

• C25B 13/02 - DiaphragmesÉléments d'espacement caractérisés par la configuration ou la forme
• C25B 9/19 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure avec des diaphragmes
• C25B 9/75 - Assemblages comprenant plusieurs cellules du type filtre-presse avec une électrode bipolaire
• C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
• C25B 11/031 - Électrodes poreuses
• C25B 11/036 - Électrodes bipolaires
• C25B 13/05 - DiaphragmesÉléments d'espacement caractérisés par le matériau à base de matériaux inorganiques

Abrégé

An electrolyzer stack is configured for high-speed manufacturing and assembly of a plurality of scalable electrolysis cells. Each cell comprises a plurality of water windows configured to maintain a pressure loss, temperature rise and/or oxygen outlet volume fraction below predetermined thresholds. Repeating components of the cells are configured based on a desired roll web width for production and a stack compression system is configured to enable a variable quantity and variable area of said repeating cells in a single stack. A high-speed manufacturing system is configured to produce scalable cells and assemble scalable stacks at rates in excess of 1,000 MW-class stacks per year.

Classes IPC  ?

• C25B 9/70 - Assemblages comprenant plusieurs cellules
• C25B 9/17 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure
• C25B 9/67 - Moyens de chauffage ou de refroidissement

Produits et services

Electrolysis machines for generating gases; electrolysis machines for generating hydrogen; machines for generating gas by electrolysis. Technological planning and consulting services in the field of electrolysis; technological planning and consulting services in the field of hydrogen production; technological planning and consulting services in the field of water electrolysis.

Produits et services

Electrolysis machines for generating gases; electrolysis machines for generating hydrogen; machines for generating gas by electrolysis.

Abrégé

The present application relates to water electrolyzers, including water electrolyzers incorporating anion exchange membranes. The present applications also relates to materials incorporated into water electrolyzers and approaches for manufacturing water electrolyzers, as well as methods of using water electrolyzers.

Classes IPC  ?

• C25B 13/08 - DiaphragmesÉléments d'espacement caractérisés par le matériau à base de matériaux organiques
• C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
• C25B 11/061 - Métal ou alliage
• C25B 9/75 - Assemblages comprenant plusieurs cellules du type filtre-presse avec une électrode bipolaire
• C25B 9/77 - Assemblages comprenant plusieurs cellules du type filtre-presse avec diaphragmes
• C25B 11/081 - Métal noble

Abrégé

The present disclosure provides approaches for increasing the adhesion of a catalyst ink on a substrate, use of binders within an electrode ink to enhance coating uniformity, incorporating pore-forming agents within an electrode ink, approaches for growing an electrode on a reinforcement layer, increasing the electrochemically active surface area, and incorporation of certain materials in an electrode ink. The present disclosure also relates to electrodes for electrochemical cells, including area-scalable electrodes designed for high-speed manufacturing. The materials, devices and methods described herein may apply to either one or both of an anode or a cathode electrode for an electrochemical cell.

Classes IPC  ?

• C25D 3/56 - Dépôt électrochimiqueBains utilisés à partir de solutions d'alliages
• C25D 5/10 - Dépôt de plusieurs couches du même métal ou de métaux différents
• C25F 3/06 - Attaque de surface du fer ou de l'acier
• C25D 5/36 - Prétraitement des surfaces métalliques à revêtir de métaux par voie électrolytique de fer ou d'acier
• C25D 5/50 - Post-traitement des surfaces revêtues de métaux par voie électrolytique par traitement thermique
• C25D 17/10 - Électrodes
• H01M 4/04 - Procédés de fabrication en général

Produits et services

Electrolysis machines for generating gases; Electrolysis machines for generating hydrogen; Machines for generating gas by electrolysis

Produits et services

Electrolysis machines for generating gases; Electrolysis machines for generating hydrogen; Machines for generating gas by electrolysis

Produits et services

Technological planning and consulting services in the field of electrolysis; Technological planning and consulting services in the field of hydrogen production; Technological planning and consulting services in the field of water electrolysis

Abrégé

An electrolyzer stack is configured for high-speed manufacturing and assembly of a plurality of scalable electrolysis cells. Each cell comprises a plurality of water windows configured to maintain a pressure loss, temperature rise and/or oxygen outlet volume fraction below predetermined thresholds. Repeating components of the cells are configured based on a desired roll web width for production and a stack compression system is configured to enable a variable quantity and variable area of said repeating cells in a single stack. A high-speed manufacturing system is configured to produce scalable cells and assemble scalable stacks at rates in excess of 1,000 MW-class stacks per year.

Classes IPC  ?

• C25B 1/04 - Hydrogène ou oxygène par électrolyse de l'eau
• C25B 9/05 - Cellules sous pression
• C25B 9/60 - Éléments de structure des cellules
• C25B 9/75 - Assemblages comprenant plusieurs cellules du type filtre-presse avec une électrode bipolaire
• C25B 9/70 - Assemblages comprenant plusieurs cellules
• C25B 11/036 - Électrodes bipolaires

Abrégé

An electrolyzer stack is configured for high-speed manufacturing and assembly of a plurality of scalable electrolysis cells. Each cell comprises a plurality of water windows configured to maintain a pressure loss, temperature rise and/or oxygen outlet volume fraction below predetermined thresholds. Repeating components of the cells are configured based on a desired roll web width for production and a stack compression system is configured to enable a variable quantity and variable area of said repeating cells in a single stack. A high-speed manufacturing system is configured to produce scalable cells and assemble scalable stacks at rates in excess of 1,000 MW-class stacks per year.

Classes IPC  ?

• C25B 9/70 - Assemblages comprenant plusieurs cellules
• C25B 9/17 - Cellules comprenant des électrodes fixes de dimensions stablesAssemblages de leurs éléments de structure
• C25B 9/67 - Moyens de chauffage ou de refroidissement