Abstract
Flow Control of Proton Exchange Membrane Fuel Cell with Theory of Inventive Problem Solving (TRIZ)
Highlights
The development of society and technologies has been increasing energy demand, which requires alternative energy sources to prevent environmental problems from burning everincreasing amounts of fossil fuels
After the contradictory parameters are defined and measured as the input data, TRIZ and game theory are used to create a contradiction matrix table that corresponds to the 40 innovative rules of TRIZ (Table 3) and obtain a single-quality optimization strategy for each of the parameters
We proposed optimizing the flow control of a proton exchange membrane fuel cell (PEMFC) with TRIZ via the outlet temperature, outlet pressure, and pressure drop
Summary
The development of society and technologies has been increasing energy demand, which requires alternative energy sources to prevent environmental problems from burning everincreasing amounts of fossil fuels. Hydrogen is the main fuel of fuel cells that generate electricity through an electrochemical process involving hydrogen and oxygen. These fuel cells have a high energy conversion ratio with no emission of pollutants. It is still necessary to enhance their efficiency through improved control of the air and hydrogen flow and lowering the operating temperature. The flow control of water and hydrogen in PEMFCs affects the inlet/ outlet temperature and pressure, flow velocity, and pressure drop of air and hydrogen, which are related to humidification, drainage, and heat dissipation. Appropriate control reduces the flow resistance by improving the convection and diffusion of air and hydrogen through the electrode diffusion layers
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