Chemical engineering researchers have reported the usage of activated carbon prepared from tea leaves, improving the mass transport phenomenon (33 % performance improvement) in an operating direct methanol fuel cell, owing to its pore structure characteristics. The cell performance underwent drastic changes in the mass transport region of the fuel cell polarization curve, comparable to the standard membrane electrode assembly. This is attributed to the pore structure of this framework aiding in enhanced water removal, as a result more air molecules react with the platinum catalyst sites finally improving the fuel cell performance.

Via:: https://www.nanowerk.com/spotlight/spotid=48207.php

Electrode layer prepared from activated carbon (from tea leaves) enhances fuel cell performance by 33%

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