Process for producing polybenzimidazole pastes and gels for use

Details Process for producing polybenzimidazole pastes and gels for use Process for producing polybenzimidazole pastes and gels for use

1997-07-16

1999-08-31

Nuzzolillo, Maria

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429247, 429134, 525435, H01M 216, H01M 810

Patent

active

059452331

ABSTRACT:
A method for producing polybenzimidazole (PBI) paste or gel useful in a fuel cell, mixing PBI polymer with a suitable amount of an acid, which permits the polymer to dissolve and form a matrix having a gel-like or paste-like consistency at room temperature.

REFERENCES:
patent: 3533879 (1970-10-01), Levine
patent: 4309372 (1982-01-01), Sheibley
patent: 4448687 (1984-05-01), Wang
patent: 4598099 (1986-07-01), Trouw
patent: 4664761 (1987-05-01), Zupancic et al.
patent: 4693824 (1987-09-01), Sansone
patent: 4814399 (1989-03-01), Sansone et al.
patent: 4868008 (1989-09-01), Marikar et al.
patent: 4927909 (1990-05-01), Wadhwa et al.
patent: 4945156 (1990-07-01), Jenekhe et al.
patent: 5091087 (1992-02-01), Calundann et al.
patent: 5264542 (1993-11-01), Hughes et al.
patent: 5277981 (1994-01-01), Haider et al.
patent: 5292469 (1994-03-01), Bowman et al.
patent: 5525436 (1996-06-01), Savinell et al.
patent: 5599639 (1997-02-01), Sansone et al.
patent: 5693434 (1997-12-01), Li et al.
patent: 5723231 (1998-03-01), Wu et al.
Japanese Patent Application No. 3104921, published May 1, 1991.
Japanese Patent Application No. 74004066, published Jan. 30, 1974.
W. Wieczorek et al, "Protonic Hydrogels for Application in Ambient Temperature Fuel Cells", in New Mater. Fuel Cell Syst. I, Proc. Int. Symp., 1.sup.st Montreal Canada, pp. 115-127 (Jul. 9-13, 1995).
S. Zecevic et al, "Kinetics of O.sub.2 Reduction on a Pt Electrode Covered with a Thin Film of Solid Polymer Electrolyte", Journal of the Electrochemical Society, 144(9):2973-2982 (Sep. 9, 1997).

Affiliated with

Also associated with

Rating

Process for producing polybenzimidazole pastes and gels for use does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing polybenzimidazole pastes and gels for use , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing polybenzimidazole pastes and gels for use will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2426212