Why PEM fuel cells lose power: Study points to membrane-electrode interfaces

Fuel cells are considered a key technology for a climate-neutral energy supply. One particularly important type is the proton exchange membrane fuel cell (PEMFC). These devices convert hydrogen into electricity efficiently and could play a major role, especially in transportation and stationary energy systems. Inside a PEMFC, a thin polymer membrane ensures that only protons can pass through, while electrons flow externally, generating electric current. The properties of this essential membrane largely determine performance, efficiency, and durability.

from Energy & Green Tech News - Energy Sciences News, Green Tech, Energy, Energy Science https://ift.tt/ARrNa7B

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