Fuel Cell Backplane Layout for Uniform Air Pressure Distribution
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Solution Overview
Problem
Modular fuel cell systems face challenges with inhomogeneous pressure drops and excessive constructional expenditure due to distributed balance-of-plant components, requiring a simplified and scalable connection system that optimizes airflow and reduces pressure loss.
Innovation Solution
An integration backplane with a media and electrical interface (MEI) that positions air modules symmetrically with fuel cell modules, incorporating a humidifier within the backplane to minimize pressure loss, and includes modular connections for easy maintenance and scalability, featuring a plug-in concept for 'lunchbox' enclosures and a self-learning artificial intelligence-based control system to adapt to operational conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If balance-of-plant components are distributed around the modular fuel cell system, then each module can be independently positioned, but this results in inhomogeneous pressure drop across the system
Solution Approach 1:
The patent merges the air module with the integration backplane, creating a unified structure where the air module is positioned between fuel cell modules on the same backplane. This integration ensures homogeneous pressure distribution across all fuel cell modules while maintaining modular positioning flexibility.
2Adaptability or versatility
If each individual module has its own cabling and media supply ducts, then module independence is achieved, but this increases constructional expenditure
Solution Approach 1:
The integration backplane serves multiple functions simultaneously: it provides structural support for fuel cell modules, houses the air module, contains media supply and discharge ducts, and includes electrical cabling. This multi-functional design reduces the need for separate components for each module, thereby reducing constructional expenditure while maintaining module independence.
3Ease of operation
If the air module is positioned asymmetrically with respect to fuel cell modules, then installation flexibility is improved, but balancing means are required to compensate for pressure inhomogeneity
Solution Approach 1:
The patent employs asymmetric positioning of the air module between fuel cell modules on the integration backplane. This asymmetric arrangement is specifically designed to optimize airflow distribution and achieve homogeneous pressure drop across all fuel cell modules without requiring additional balancing means, thereby maintaining installation flexibility while eliminating complexity.
4Ease of repair
If modular connections are implemented for easy maintenance, then serviceability is enhanced, but connection reliability may be compromised
Solution Approach 1:
The system is segmented into modular fuel cell modules and an air module that can be independently positioned on the integration backplane and connected via standardized interfaces. This segmentation enables easy maintenance and replacement of individual modules while maintaining connection reliability through robust mechanical and electrical interfaces designed for repeated connection and disconnection cycles.
Data Source
AI summary
The invention relates to a fuel cell system (100) and to an integration backplane (10) for holding at least one pair of fuel cell modules (110) and at least one air module (120), said integration backplane (10) being provided with a positioning means (12) for the pair of fuel cell modules (110) and for the air module (120), such that the air module (120) can be arranged in a symmetric position with regards to, in particular between the fuel cell modules (110) of the pair of fuel cell modules (110), and said integration backplane (10) being further provided with a media and electrical interface (20), wherein the media and electrical interface (20) includes module connection ports for connecting to the fuel cell modules (110) and the air module (120). In accordance with the invention, the media and electrical interface (20) includes first air passages for the routing of air to the air module (120), module connecting air passages for the routing of compressed air from the air module (120) to the fuel cell modules (110), and evacuation air passages for the evacuation of depleted air from the fuel cell modules (110).