# Dome-Shaped Plates for Efficient Hydrogen Production in Electrolyzers > This patent describes an electrolyzer that uses uniquely dome-shaped plates to improve how water is split into hydrogen and oxygen, enhancing efficiency and product separation. - **Patent:** US 20250027216 - **Original title:** Electrolyzer - **Owner:** Individual - **Status:** Active - **Times cited:** 1 - **Field:** energy, materials, chemical_processing, clean_energy, manufacturing ## What it does This patent describes an electrolyzer built from a stack of dome-shaped bipolar plates (Claim 17). Each plate includes a rim with specific anode and cathode reaction outlets, which are aligned through the entire stack (Claim 18). Reactant liquids enter through inlets located in the center of each plate (Claim 19). The plates also feature overlapping anode and cathode channels on their respective sides to guide the flow (Claim 25). This design helps separate the products of hydrolysis, such as hydrogen from the cathodic side, allowing them to float up the stack through the outlets (Claim 32, 33). For example, water would be fed into the stack, split into hydrogen and oxygen, and these gases would then exit through the aligned outlets, with the dome shape potentially aiding in their separation and removal. ## What it does NOT cover - Electrolyzers using flat or non-dome-shaped bipolar plates. - Bipolar plates where the anode and cathode reaction outlets are not aligned through the stack. - Electrolyzers that do not separate hydrolysis products, allowing them to float up through specific outlets. - Bipolar plates that lack reactant inlets extending throughout their center. - Electrolyzers where the anode and cathode channels do not overlap on the plate surfaces. ## The clever bit The novelty lies in the "dome-shaped" design of the bipolar plates and other components, which likely improves the flow dynamics and separation of gaseous products like hydrogen and oxygen within the electrolyzer stack. This shape could enhance efficiency by reducing resistance or improving gas removal. ## Real-world examples 1. Alkaline electrolyzers 2. PEM electrolyzers 3. Green hydrogen production facilities 4. Industrial hydrogen generation units ## Why it matters Electrolyzers are crucial for producing green hydrogen, a key component in decarbonizing industries like transportation, energy storage, and industrial processes. This patent focuses on optimizing a core component, the bipolar plate, which directly impacts the efficiency and cost of hydrogen production. Innovations in electrolyzer design contribute to making hydrogen a more viable and widespread energy carrier. ## Frequently asked questions ### What does Dome-Shaped Plates for Efficient Hydrogen Production in Electrolyzers cover? This patent describes an electrolyzer that uses uniquely dome-shaped plates to improve how water is split into hydrogen and oxygen, enhancing efficiency and product separation. ### Who owns patent US 20250027216? This patent is owned by Individual. ### When does this patent expire? This patent is expected to expire on November 23, 2042, when the invention enters the public domain. ### What is patent US 20250027216 cited by? This patent has been cited by 1 later patents that build on its ideas. ### What problem does this patent solve? Electrolyzers are crucial for producing green hydrogen, a key component in decarbonizing industries like transportation, energy storage, and industrial processes. This patent focuses on optimizing a core component, the bipolar plate, which directly impacts the efficiency and cost of hydrogen production. Innovations in electrolyzer design contribute to making hydrogen a more viable and widespread energy carrier. ### What does this patent NOT cover? Electrolyzers using flat or non-dome-shaped bipolar plates. **Full plain-English explainer:** https://patentbrief.org/patent/us/20250027216/electrolyzer **Original patent:** https://patents.google.com/patent/US20250027216 --- _Source: PatentBrief — https://patentbrief.org. Patent facts are from public records; the plain-English explanation is PatentBrief's._ ## Related patents Semantically similar inventions in the PatentBrief corpus: - [How to Make Hydrogen Gas and Cupric Chloride Using an Electrolysis Cell](https://patentbrief.org/patent/us/8636880/electrolysis-cell-for-the-conversion-of-cuprous-chloride-in-hydrochloric-acid-to) — This patent describes an electrochemical cell that uses cuprous chloride in hydrochloric acid to produce hydrogen gas and cupric chloride, separated by a special membrane. - [How Fuel Cells Get Even Gas Flow with Special Layers](https://patentbrief.org/patent/us/10468695/gas-distribution-element-for-a-fuel-cell) — This patent describes a fuel cell component that uses a special two-layer design with linear channels and transverse openings to evenly spread fuel gas for better performance. - [Making Chemicals from Carbon Dioxide and Steam Using Electricity](https://patentbrief.org/patent/us/20110132770/process-for-producing-compounds-of-the-cxhyoz-type-by-reduction-of-carbon-dioxid) — This patent describes a process that uses electricity to split steam and then reacts the resulting hydrogen with carbon dioxide or carbon monoxide to create various carbon-based compounds, like fuels or plastics. - [Making Caustic Soda with Less Salt Using a Special Electrolysis Cell](https://patentbrief.org/patent/us/9181624/method-of-electrolysis-employing-two-chamber-ion-exchange-membrane-electrolytic-) — This patent describes a method to make purer caustic soda and chlorine gas using a two-chamber electrolysis cell with a gas diffusion electrode by carefully controlling pressure differences. - [Boosting Fuel Cell Power for Vehicles Using Oxygen Injection](https://patentbrief.org/patent/us/5346778/electrochemical-load-management-system-for-transportation-applications) — A system that boosts a vehicle's fuel cell power by injecting pure oxygen into the air supply when the engine needs extra energy.