Flat Fuel Cell Horizontal Component Layout
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Solution Overview
Problem
Conventional fuel cell devices have a tall configuration, making them unsuitable for applications in vehicles such as trams, aircraft, and drones where a low height is required, limiting their versatility and mounting options.
Innovation Solution
A flat fuel cell device design where the fuel cell, junction box, air-processing unit, hydrogen-processing unit, and cooling-medium-processing unit are arranged in a horizontal configuration, ensuring they do not overlap vertically, allowing for a lower height and increased versatility in product integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If conventional fuel cell devices are designed with vertical stacking configuration, then the structural stability and component integration are improved, but the height becomes too large for applications in trams, aircraft, and drones
Solution Approach 1:
The patent transitions from a vertical stacking configuration to a horizontal planar arrangement, changing the primary dimension of component layout from vertical (z-axis) to horizontal (x-y plane). This dimensional shift reduces the height parameter while maintaining all necessary functional relationships between components, making the device suitable for low-height applications such as trams, aircraft, and drones.
Solution Approach 2:
The patent implements a nested arrangement where the junction box, air-processing unit, hydrogen-processing unit, and cooling-medium-processing unit are disposed in concentric or semi-concentric patterns around the fuel cell in the horizontal plane. This nesting optimizes space utilization and minimizes the overall footprint and height of the device assembly.
2Shape
If components are arranged horizontally without vertical overlap, then the height is reduced for low-height applications, but the space utilization and component density decrease
Solution Approach 1:
The patent designs each processing unit (air-processing, hydrogen-processing, cooling-medium-processing) to perform multiple functions within a compact horizontal footprint. For example, the air-processing unit handles both supply and exhaust functions, while the junction box integrates electrical connections for multiple components. This multi-functionality increases effective space utilization without requiring vertical stacking.
Solution Approach 2:
The patent combines multiple processing functions into integrated units that are disposed adjacently in the horizontal plane. The junction box serves as a central hub integrating electrical connections for the fuel cell, air-processing unit, hydrogen-processing unit, and cooling-medium-processing unit. This merging approach maximizes component density within the available horizontal space.
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
The flat design enables the fuel cell device to be used in various applications with limited height constraints, improving space utilization and operational stability by minimizing empty space and preventing backflow issues, thus enhancing output stability and robustness.
Implementation Method 1
a fuel cell including a cell stack in which a plurality of unit cells is stacked
Implementation Method 2
an air compressor configured to suction air from the outside and to discharge the air
Implementation Method 3
a cooling-medium-processing unit configured to manage inflow and outflow of a cooling medium to and from the fuel cell
Data Source
AI summary
An embodiment flat fuel cell device includes a fuel cell comprising a cell stack in which a plurality of unit cells is stacked, a junction box electrically connected to the fuel cell, an air-processing device configured to manage inflow and outflow of air containing oxygen between an outside and the fuel cell, and a hydrogen-processing device configured to manage inflow and outflow of hydrogen to and from the fuel cell. Each of the junction box, the air-processing device, and the hydrogen-processing device is disposed so as to be contiguous with the fuel cell in a horizontal direction.