Movable Membrane Electrode Assembly for Fuel Cell Input/Output
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Solution Overview
Problem
Traditional proton exchange membrane fuel cells have a complex structure and high cost due to the need for additional support equipment like blowers, valves, and pipelines for fuel and oxygen input/output.
Innovation Solution
A proton exchange membrane fuel cell design that incorporates a container with a movable membrane electrode assembly device, eliminating the need for external support equipment by using pressure-controlled doors and a gas exchange hole for input/output operations, allowing for internal fuel and waste management within the cell.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If traditional proton exchange membrane fuel cell uses external support equipment (blowers, valves, pipelines) for fuel and oxygen input/output, then the fuel and oxygen can be supplied to the cell, but the structure becomes complicated and cost increases
Solution Approach 1:
The patent merges the functions of external support equipment (blowers, valves, pipelines) into integrated input/output doors with built-in flow control mechanisms. The movable membrane electrode assembly device combines the functions of fuel cell operation, gas distribution, and flow control into a single integrated unit, eliminating the need for separate external components and thereby simplifying the overall structure and reducing manufacturing cost.
Solution Approach 2:
The input/output doors are designed with multi-functionality, serving as both structural components of the cell housing and as flow control devices. The doors can selectively open and close to regulate gas flow, integrate the functions of gas supply, flow control, and structural support into single components, reducing the total number of parts needed and simplifying the system architecture.
2Device complexity
If traditional proton exchange membrane fuel cell uses external support equipment for fuel and oxygen input/output, then gas supply is achieved, but the system requires more components and higher cost
Solution Approach 1:
The patent combines multiple functions into fewer components. The movable membrane electrode assembly device integrates the functions of gas distribution, flow control, and electrical connection into a single device, eliminating the need for separate blowers, valves, and pipelines. This merging of functions directly reduces the number of components and associated manufacturing costs.
Solution Approach 2:
The fuel cell system performs self-service through the movable membrane electrode assembly device, which automatically distributes gases to the appropriate chambers and controls flow rates without requiring external blowers or valves. The system uses its own operational mechanisms (pressure differentials, movable doors) to manage gas flow, eliminating the need for additional active components and reducing manufacturing cost.
3Device complexity
If the fuel cell uses internal pressure-controlled doors and movable membrane electrode assembly for input/output, then the structure is simplified and cost is reduced, but the mechanism for controlling gas flow must be integrated within the cell
Solution Approach 1:
The flow control mechanism operates autonomously using pressure differentials generated during fuel cell operation. The movable membrane electrode assembly device responds to pressure changes to open or close input/output doors, automatically regulating gas flow without requiring external control systems. This self-service approach simplifies the overall structure while maintaining effective flow control.
Solution Approach 2:
The input/output doors are designed as movable components that dynamically adjust their position based on operational conditions. The doors can open or close in response to pressure differentials, allowing the system to adapt gas flow rates to changing operational demands. This dynamic design provides flexible flow control while maintaining a simple overall structure.
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
Simplifies the structure and reduces costs by integrating fuel and oxygen input/output within the cell, enhancing operational efficiency and reducing the complexity of the system.
Implementation Method 1
proton exchange membrane fuel cell
Data Source
AI summary
The disclosure relates to a proton exchange membrane fuel cell. The fuel cell includes: a container, wherein the container includes a reacting room, a fuel room connected to the reacting room through a fuel inputting hole, a fuel inputting door located on the fuel inputting hole, a waste collecting room connected to the reacting room through a waste outputting hole, a waste outputting door located on the waste outputting hole; a membrane electrode assembly device located in the reacting room, wherein the reacting room is divided into an anode electrode space and a cathode electrode space connected to the outside through a pipe, the volume of the anode electrode space and the cathode electrode space can be changed by moving the membrane electrode assembly device.