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Hydrogen is used to power fuel cell stacks, but not all of it is used up; occasionally, a little amount is blended with other gases, including CO2, that enter the fuel cell without reacting.
This potentially dangerous little outlet flux can be catalytically burnt, and the recovered energy is then used to boost the fuel cell system’s efficiency.
When hydrogen is combined with inert gases, the anode gas is too lean to burn without a catalyst, necessitating catalytic combustion.
A membrane electrode assembly (MEA) and two flow-field plates that deliver between 0.5 and 1V of voltage make up a single fuel cell (too low for most applications).
Individual cells are stacked to provide a larger voltage and power, just like batteries. A fuel cell stack, or simply a stack, is what this collection of cells is known as.
The size of a fuel cell stack will determine how much electricity it can produce. The voltage grows with the number of cells in a stack, while the current increases with the surface area of the cells.
End plates and connections are added to a stack to facilitate future use.
Compared to conventional combustion-based technologies, which are used in many power plants and automobiles, fuel cells have a number of advantages.
Fuel cells produce less or no emissions when compared to combustion engines. Hydrogen fuel cells can contribute to resolving pressing climate challenges because they emit only water and no carbon dioxide.
The Global Fuel cell stack market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
The availability barrier is being eliminated by market forces as businesses like Bosch and PowerCell continue to push forward with their plans to mass-produce mobile fuel cells.
Hydrogen fueling stations are already becoming more prevalent in several nations.
China, North America, and Europe are three markets where we can observe an increasing industry willingness to employ fuel cell-electric powertrains.
This optimistic outlook is the result of realising that an open-minded mindset is necessary for the road to emissions-free transport.
Purely battery-electric powertrains and fuel cells are being developed side by side on the electromobility front, much like the gasoline and diesel versions of combustion engines are continuously getting better.
These novel fuel-cell stacks are anticipated to roll off the assembly lines at Bosch’s Bamberg factory as a result of the company having already adopted this technology neutrality.
