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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