Main > ENERGY > Fuel Cells > PEM (Abbrev.) Fuel Cells > Polymer > Sulfonated Polymer

Product USA. V

TECHNOLOGY Adding water to Sulfonated copolymer comprising units
- Ethylene
- n-Butene
- Styrene &
- CH2=CH-C6H4-SO3H
used in PEM fuel cells causes H ions from SO3H groups to become mobile. By hopping from water mole. to water mole. along channels lined with SO3 anion groups, protons migrate through conducting membranes
UPDATE 06.99
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