Energy conversion device integrating methanol reforming for hydrogen production, hydrogen purification, and fuel cell power generation, and method of use

By integrating five technical pathways—methanol catalytic combustion heating, methanol steam reforming for hydrogen production, CO methanation removal, and CO2 membrane absorption—and combining them with a layered functionalized reaction chamber design, the problem of complex devices and high energy consumption in existing technologies has been solved, achieving efficient hydrogen production and purification, and meeting the needs of lightweight fuel cell systems.

CN118289710BActive Publication Date: 2026-07-03WESTERN METAL MATERIAL
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
WESTERN METAL MATERIAL
Filing Date
2024-04-03
Publication Date
2026-07-03

AI Technical Summary

Technical Problem

Existing methanol reforming hydrogen production systems suffer from problems such as complex equipment, high energy consumption, large size, and low energy utilization efficiency, making them particularly difficult to meet modern needs in lightweight applications.

Method used

The system adopts five technical pathways: methanol catalytic combustion for heating, methanol steam reforming for hydrogen production, CO methanation for removal, CO2 membrane absorption, and low-temperature hydrogen fuel cell power generation. It achieves system integration through a layered functionalized reaction chamber structure design and recovers waste heat through the coupling of endothermic and exothermic reactions, thereby enhancing heat transfer performance and system integration.

Benefits of technology

It enables the immediate production and use of hydrogen, has a compact structure, high volumetric energy density, high energy conversion rate, low hydrogen purification cost, and adapts to the needs of fuel cell systems with different power outputs.

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Abstract

The present application relates to the hydrogen production by methanol reforming and fuel cell technical field, specifically is the energy conversion device and use method that hydrogen production by methanol reforming, hydrogen purification and fuel cell power generation are integrated in one, the device highly integrates five technical paths of methanol catalytic combustion heat supply, hydrogen production by methanol steam reforming, CO methanation removal, CO2 membrane absorption, low-temperature hydrogen fuel cell power generation, through the sheet layer functional reaction cavity structure design, the systematized integration and gas path arrangement of multiple devices are realized, and through the reverse setting of two paths of methanol catalytic combustion and reforming, two waste heat recycling are completed.The present application obtains the hydrogen-rich gas with CO concentration less than 10ppm by the methanation removal of CO in synthesis gas, obtains high-purity hydrogen after deep removal of CO2 by membrane absorption technology, and the high-purity hydrogen is directly used for proton exchange membrane fuel cell stack power generation after heat exchange.The device structure is compact, realizes self-heating heat supply and efficient energy conversion.
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