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In order for fuel cells to react, ambient air oxygen is used. There isn’t clean air in the area, though. The amount of dangerous gases and particles in the air greatly depends on the local environment.
For example, a large industrial city may have a different mix of pollutants than a smaller city with frequent traffic jams, whereas, in coastal areas, the salty air may pose the biggest challenge to the fuel cell. The charging mechanism over time draws significant quantities of particles and toxic gases, depending on the degree of air pollution.
An intake fuel cell air filter system is necessary to shield the engine from these harmful effects. Sensitive components, such as the catalyst substance and the stack’s membranes, can be safeguarded by effective filtration.
Layers of particle filters shield the system from fine dust, while layers of chemical filters with certain adsorbent arrangements, like activated carbon, block dangerous gases. However, producers must make some concessions to ensure the best filter efficiency. The filtering is improved by the number of layers in the filter.
The air compressor, which uses some of the fuel cell’s energy to work, must make up for the flow loss since too many layers cause a rise in pressure drop. As a result, the system’s total effectiveness declines.
The Global Fuel cell air filter 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.
Mahle has created two standardised fuel cell air filter options.
Because developers can now directly access an “off-the-shelf” component rather than needing to create customised solutions for each vehicle, it is able to considerably cut down on development times and costs.
The new Mahle air filters for cells with outputs of 25–50 kW or 80–120 kW shield fuel cells from dangerous gases and particles, ensuring their proper operation for the duration of a vehicle’s service life and reducing the need for catalysts.
Mahle claims that the new strategy moves fuel cell technology “much closer” to be suitable for the mainstream market. Fuel cells and hydrogen are crucial components of Mahle’s development work toward CO2-neutral mobility.
