Honda motor co., ltd. (20240304847). FUEL CELL STACK simplified abstract
Contents
FUEL CELL STACK
Organization Name
Inventor(s)
Kensuke Umezawa of Wako-shi (JP)
FUEL CELL STACK - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240304847 titled 'FUEL CELL STACK
Simplified Explanation: The patent application describes a fuel cell stack with a specific design for efficient gas flow and water drainage.
- The fuel cell stack is made by stacking power generation cells in a predetermined direction.
- An exhaust gas flow path allows the discharge of reaction gas supplied to the power generation cells.
- A flow path forming portion ensures water flows from the upstream side to the downstream side of the exhaust gas flow path.
- The flow path forming portion includes a communicating tube with openings to facilitate water drainage.
- A diaphragm portion is present at the inlet of the drainage flow path.
Key Features and Innovation:
- Efficient gas flow and water drainage design in a fuel cell stack.
- Specific arrangement of power generation cells for optimal performance.
- Integration of a communicating tube for effective water drainage.
- Inclusion of a diaphragm portion to control the flow of water in the drainage path.
Potential Applications: This technology can be applied in various fuel cell systems, including automotive, stationary power generation, and portable electronics.
Problems Solved: This design addresses issues related to water accumulation and inefficient gas flow in fuel cell stacks.
Benefits:
- Improved efficiency and performance of fuel cell systems.
- Enhanced durability and longevity of the fuel cell stack.
- Reduced maintenance requirements due to effective water drainage.
Commercial Applications: Potential commercial applications include fuel cell vehicles, backup power systems, and off-grid energy solutions.
Questions about Fuel Cell Stack with Efficient Gas Flow and Water Drainage: 1. How does the design of the communicating tube contribute to efficient water drainage in the fuel cell stack? 2. What are the specific advantages of the diaphragm portion at the inlet of the drainage flow path?
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Original Abstract Submitted
a fuel cell stack including a cell stacked body formed by stacking power generation cells in a predetermined direction, an exhaust gas flow path penetrating the cell stacked body in the predetermined direction so as to discharge a reaction gas supplied to the plurality of power generation cells, and a flow path forming portion forming a drainage flow path so that water flows from an upstream side to a downstream side of the exhaust gas flow path. the flow path forming portion includes a communicating tube disposed in the exhaust gas flow path so as to communicate with the upstream side and the downstream side of the exhaust gas flow path respectively through a first opening and a second opening of the communicating tube, and the flow path forming portion further includes a diaphragm portion at an inlet of the drainage flow path.
