Anode Separator Cooling Channel Placement in Hydrogen Compression

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Solution Overview

Problem

Existing hydrogen compression apparatuses face challenges in efficiently placing a flow channel for a cooling fluid, leading to potential temperature unevenness and decreased efficiency in hydrogen compression operations.

Innovation Solution

The compression apparatus incorporates an electrolyte membrane with an anode and cathode, along with separators and a voltage applier, where the anode separator features a flow channel for the cooling fluid on its surface facing away from the anode, optimizing the placement of the flow channel without the need for a dedicated plate.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If a cooling fluid flow channel is placed in a dedicated plate, then the cooling function is achieved, but the device complexity and cost increase

Engineering Contradiction:

Improvetemperature uniformityVSAvoidstructure complexity

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

The patent merges the cooling fluid flow channel directly into the anode separator structure, combining two previously separate components (separator and cooling plate) into one integrated element. This eliminates the need for a dedicated cooling plate while maintaining effective cooling functionality, thereby reducing device complexity and cost.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The anode separator is given multiple functions: it serves both as a structural separator between electrodes and as a cooling channel carrier. By making the separator multi-functional, the patent eliminates the need for a separate dedicated cooling plate, simplifying the overall device structure while achieving effective temperature control.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Temperature

If a dedicated cooling plate is used, then cooling is effective, but the apparatus cost increases

Engineering Contradiction:

Improvecooling efficiencyVSAvoidmanufacturing cost

Core Design Contradiction:

TemperatureVSEase of manufacture

Solution Approach 1:

The patent combines the cooling function with the anode separator by integrating flow channels directly into the separator structure. This merger eliminates the need for a separate cooling plate, reducing the number of components that need to be manufactured and assembled, thereby lowering manufacturing costs while maintaining cooling effectiveness.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The anode separator is designed to serve dual purposes: separating electrodes and providing cooling pathways. This multi-functionality reduces the total component count and simplifies manufacturing processes, leading to cost reduction without compromising cooling performance.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Temperature

If the flow channel is placed on the anode-facing surface, then cooling is provided, but it interferes with the hydrogen compression operation

Engineering Contradiction:

Improvecooling functionVSAvoidcompression efficiency

Core Design Contradiction:

TemperatureVSProductivity

Solution Approach 1:

Instead of placing the cooling flow channel on the conventional anode-facing surface, the patent inverts the placement by positioning it on the opposite surface of the anode separator. This inversion eliminates interference with hydrogen compression operations while maintaining effective cooling through the separator structure.

Inventive Principle:

Principle #13The other way round (Inversion)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This configuration allows for more appropriate placement of the cooling fluid flow channel, reducing temperature unevenness within the MEA, lowering apparatus costs, and maintaining high efficiency in hydrogen compression operations.

Implementation Method 1

causes, by using the voltage applier to apply a voltage, protons taken out from a hydrogen-containing gas that is supplied to the anode to move to the cathode via the electrolyte membrane and produces compressed hydrogen

Methodology Applied

Scientific EffectProton exchange membrane electrochemical conversion: Electrolysis

Implementation Method 2

a first flow channel, provided in a principal surface of the anode separator facing away from the anode, through which a cooling fluid flows

Methodology Applied

Scientific EffectHeat transfer through fluid convection: Convection

Data Source

PatentUS12331416B2Compression apparatus for hydrogen-containing gas utilizing an anode separator arrangement

Publication Date: 2025.06.17 PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

AI summary

A compression apparatus includes an electrolyte membrane, an anode provided on a first principal surface of the electrolyte membrane, a cathode provided on a second principal surface of the electrolyte membrane, an anode separator provided on the anode, a cathode separator provided on the cathode, and a voltage applier that applies a voltage between the anode and the cathode. The compression apparatus causes, by using the voltage applier to apply a voltage, protons taken out from a hydrogen-containing gas that is supplied to the anode to move to the cathode via the electrolyte membrane and produces compressed hydrogen. The anode separator has a first flow channel, provided in a principal surface thereof facing away from the anode, through which a cooling fluid flows.