Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Brian R. Einsla"'
Autor:
Jonathan A. Rau, Shaji Chempath, Lawrence R. Pratt, Brian R. Einsla, James M. Boncella, Clay S. Macomber, Bryan S. Pivovar
Publikováno v:
The Journal of Physical Chemistry C. 112:3179-3182
Cationic headgroups such as tetramethylammonium (TMA) undergo degradation in alkaline conditions through two different mechanisms. In the first mechanism, a hydroxide ion performs an SN2 attack on the methyl groups and directly forms methanol. In the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0484272ec18980eb074a939649e6496b
https://doi.org/10.1021/jp7115577
https://doi.org/10.1021/jp7115577
Autor:
Lawrence R. Pratt, Clay S. Macomber, Shaji Chempath, Jonathan A. Rau, Brian R. Einsla, Bryan S. Pivovar, James M. Boncella
Publikováno v:
ECS Transactions. 11:1173-1180
The hydrothermal stability of quaternary ammonium hydroxides was evaluated to better understand the degradation of anion exchange membranes used in alkaline fuel cells. Benzyltrimethylammonium hydroxide and phenyltrimethylammonium hydroxide were exam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6bd2c48c82cb2c59ed0c01f81753272
https://doi.org/10.1149/1.2781031
https://doi.org/10.1149/1.2781031
Publikováno v:
Journal of Membrane Science. 283:102-108
A series of zirconium hydrogen phosphate/disulfonated poly(arylene ether sulfone) random copolymer composite membranes for proton exchange membrane fuel cell applications were prepared and characterized by optical clarity, water absorption, proton co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da35f08551c0df63a8eff4904b8967cd
https://doi.org/10.1016/j.memsci.2006.06.016
https://doi.org/10.1016/j.memsci.2006.06.016
Publikováno v:
Polymer. 47:4026-4035
This article focuses on structure–property–performance relationships of directly copolymerized sulfonated polysulfone polymer electrolyte membranes. The chemical structure of the bisphenol-based disulfonated polysulfones was systematically altern
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27e9ef9a05b3f457dae46b3516f2b924
https://doi.org/10.1016/j.polymer.2006.02.032
https://doi.org/10.1016/j.polymer.2006.02.032
Publikováno v:
High Performance Polymers. 17:377-401
Studies on the synthesis of high molecular weight polybenzoxazoles (PBOs) in polyphosphoric acid (PPA) and investigations of their hydrolytic stability in aqueous methanesulfonic acid are described. The polymerization of PBOs based upon 2,2′-bis(3-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a34eb75e5df2b39be7e6ed852c437376
https://doi.org/10.1177/0954008305055558
https://doi.org/10.1177/0954008305055558
Autor:
Brian R. Einsla, James E. McGrath, Melinda Hill, Bryan S. Pivovar, Yu Seung Kim, Young-Taik Hong, Michael A. Hickner
Publikováno v:
Journal of Membrane Science. 255:141-148
Selected properties of two series of sulfonated naphthalene dianhydride based polyimide copolymers were studied to assess their potential for fuel cell applications. The copolyimides were synthesized in m-cresol from a novel disulfonated diamine 3,3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d27e28d980228419500bb7f0eadc6d98
https://doi.org/10.1016/j.memsci.2005.01.030
https://doi.org/10.1016/j.memsci.2005.01.030
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 42:862-874
A novel sulfonated diamine, 3,3′-disulfonic acid-bis[4-(3-aminophenoxy)phenyl]sulfone (SA-DADPS), was prepared from m-aminophenol and disodium-3,3′-disulfonate-4,4′-dichlorodiphenylsulfone. The conditions necessary to synthesize and purify SA-D
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c20ab860e3b9c52b1e9229b7d88fc0a3
https://doi.org/10.1002/pola.11026
https://doi.org/10.1002/pola.11026
Publikováno v:
Chemical reviews. 104(10)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86352cf3101e369154fabf77dbd89d92
https://pubmed.ncbi.nlm.nih.gov/15669163
https://pubmed.ncbi.nlm.nih.gov/15669163
Publikováno v:
ECS Meeting Abstracts. :538-538
not Available.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5348d34ccb0cf11845740ad8df610f2c
https://doi.org/10.1149/ma2007-02/9/538
https://doi.org/10.1149/ma2007-02/9/538