Back to results
US 12,612,484 B2Granted
Ionomer for fuel cell having dense sulfonic acid groups and method of preparing same
AssigneesHyundai Motor Company, Kia Corporation, Industry-Academic Cooperation Foundation Gyeongsang National University
InventorsIl Seok Chae, Jong Kil Oh, Ki Hyun Kim, Han Sol Ko, Mi Jeong Kim
Life of this patent
Estimating the term…
Abstract
In an embodiment, an ionomer includes a partial structure represented by: wherein z is an integer of 1 to 10.
Claims19
An ionomer comprising:
- a partial structure represented by:
- wherein z is an integer of 1 to 10.
A method for preparing an ionomer for a fuel cell, the method comprising:
- preparing a first precursor by reacting a fluorene-based monomer, a terphenyl-based monomer, and a hydrocarbon compound;
- preparing a second precursor by reacting the first precursor with a triphenyl-based monomer;
- preparing a third precursor represented by Chemical Formula 6 by introducing a monomer having a sulfonic acid protecting group into the second precursor;
- and
- obtaining the ionomer represented by Chemical Formula 3 by removing the sulfonic acid protecting group from the third precursor,
- wherein [Chemical Formula 6] is represented by:
- wherein [Chemical Formula 3] is represented by:
- wherein x satisfies 0<x≤1, y satisfies 0≤y≤1, and z is an integer of 1 to 10.
5 more elements
An ionomer comprising:
- a partial structure represented by:
- wherein z is an integer of 1 to 10.
Dependencies are inferred from the claim text.