Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Geraldine M Purdy"'
Autor:
Gautam Gupta, Andrew M. Dattelbaum, Joseph H. Dumont, Aditya D. Mohite, Geraldine M Purdy, Kateryna Artyushkova, Plamen Atanassov, Piotr Zelenay, Ulises Martinez
Publikováno v:
ACS Applied Nano Materials. 2:1675-1682
Platinum group metal-free (PGM-free) electrocatalysts for the oxygen reduction reaction (ORR) often exhibit a complex functionalized graphitic structure. Because of this complex structure, limited ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::90152768c5a560aa017ef9f5df1bb23d
https://doi.org/10.1021/acsanm.8b02235
https://doi.org/10.1021/acsanm.8b02235
Autor:
Ulises Martinez, Ling Lin, Geraldine M Purdy, Somnath Choudhury, Edward F. Holby, Piotr Zelenay, Siddharth Komini Babu, Kateryna Artyushkova
Publikováno v:
Journal of The Electrochemical Society. 166:F3136-F3142
Replacement of platinum-based electrocatalysts to facilitate the oxygen reduction reaction (ORR) in proton exchange fuel cells remains an outstanding challenge. Significant progress in the development of platinum group metal-free (PGM-free) electroca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fba13c507774df0bb8028a60e85f59fa
https://doi.org/10.1149/2.0201907jes
https://doi.org/10.1149/2.0201907jes
Effects of MEA Fabrication and Ionomer Composition on Fuel Cell Performance of PGM-Free ORR Catalyst
Autor:
Siddharth Komini Babu, Hoon T Chung, Ulises Martinez, Ling Lin, Xi Yin, Piotr Zelenay, Geraldine M Purdy
Publikováno v:
ECS Transactions.
Carbon-based platinum group metal-free (PGM-free) catalysts for oxygen reduction reaction (ORR) have received increasing attention as potential candidates for low-cost fuel cell cathode catalysts. Mass-transport within the very thick catalyst layer (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::413cf307f8d56e4d4b4be67d2c4869c5
https://doi.org/10.1149/07711.1273ecst
https://doi.org/10.1149/07711.1273ecst
Publikováno v:
ECS Meeting Abstracts. :1632-1632
Increased interest in platinum group metal-free (PGM-free) catalysts as a low-cost replacement for PGM catalysts for the oxygen reduction reaction (ORR) has resulted in significant progress in activity and durability over the past decade (1-4). Howev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33d4388053b39d623f1156b42ffdc360
https://doi.org/10.1149/ma2019-02/35/1632
https://doi.org/10.1149/ma2019-02/35/1632
Critical role of intercalated water for electrocatalytically active nitrogen-doped graphitic systems
Autor:
Piotr Zelenay, Joseph H. Dumont, David A. Cullen, Geraldine M Purdy, Edward F. Holby, Ulises Martinez, Nathan H. Mack, Akhilesh Kumar Singh, Kateryna Artyushkova, Andrew M. Dattelbaum, Aditya D. Mohite, Gautam Gupta, Manish Chhowalla, Plamen Atanassov, Karren L. More
Publikováno v:
Science Advances
Removal of intercalated water within graphitic sheets is critical to achieving high-performing oxygen reduction reaction catalysts.
Graphitic materials are essential in energy conversion and storage because of their excellent chemical and electr
Graphitic materials are essential in energy conversion and storage because of their excellent chemical and electr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::59c64ad2a311ccb02c72fccd26ed4609
http://europepmc.org/articles/PMC4803488
http://europepmc.org/articles/PMC4803488
Autor:
Emily K. Cope, Michael Valentine, Jeff G. Leid, Geraldine M Purdy, Rico E. Del Sesto, Katherine S. Lovejoy, John S. Wilkes, Andrew T. Koppisch, Cynthia A. Corley
Publikováno v:
Crystal Growth & Design. 12:5357-5364
A new strategy employs amorphous melts of active pharmaceutical agents, which are formed with metal chlorides, including ZnCl2, through speciation ambiguity. The Lewis acidic, bioinorganic ionic liquid formulations improve shelf life and water solubi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0db521c13e79625fb8b98f015fd69dc0
https://doi.org/10.1021/cg300969u
https://doi.org/10.1021/cg300969u
Autor:
Andrew T. Koppisch, Srinivas Iyer, Rico E. Del Sesto, Timothy C. Sanchez, Katherine S. Lovejoy, Al Robertson, Geraldine M Purdy
Publikováno v:
Analytical Chemistry. 83:2921-2930
Room temperature ionic liquids, or RTILs, based on tetraalkylphosphonium (PR(4)(+)) cations were used as the basis of a platform that enables separation of dyes from textiles, extraction of dyes from aqueous solution, and identification of the dyes b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::383e77f71f1ed6ac531f21994a56e57f
https://doi.org/10.1021/ac102944w
https://doi.org/10.1021/ac102944w
Molecular Probes for the Identification and Quantification of Active Sites in PGM-Free ORR Catalysts
Autor:
Siddharth Komini Babu, Ulises Martinez, Edward F. Holby, Nancy Kariuki, Kannan Pasupathikovil Ramaiyan, Kateryna Artyushkova, Geraldine M Purdy, Hoon T Chung, Deborah J Myers, Piotr Zelenay
Publikováno v:
ECS Meeting Abstracts. :1533-1533
The nature of the active site(s) of platinum group metal-free (PGM-free) electrocatalysts for the oxygen reduction reaction (ORR) remains a topic of intense debate. This is mainly due to the complex heterogeneous character produced during the high-te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54d0a07e77c4fc84694509b2ed57a26d
https://doi.org/10.1149/ma2018-02/44/1533
https://doi.org/10.1149/ma2018-02/44/1533
Autor:
Xi Yin, Ulises Martinez, Siddharth Komini Babu, Hoon T Chung, Geraldine M Purdy, Piotr Zelenay
Publikováno v:
ECS Meeting Abstracts. :2313-2313
Platinum group metal-free (PGM-free) catalysts, based on earth-abundant elements, such as carbon, nitrogen, and transition metals, have by now shown promising oxygen reduction reaction (ORR) activity in the fuel cell cathode (1-3). However, any possi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d37ed317a9f6bbe5cb01abb7571541d2
https://doi.org/10.1149/ma2018-01/40/2313
https://doi.org/10.1149/ma2018-01/40/2313
Autor:
Yu Seung Kim, David A. Langlois, Albert Sung Soo Lee, Geraldine M Purdy, Rex Hjelm, Sung-Dae Yim, Chao Lei, Hui Xu
Publikováno v:
ECS Meeting Abstracts. :1991-1991
One of the key issues to resolve for the wide spread commercialization of fuel cells in automobiles is their durability.1 It is known that when a fuel cell cathode undergoes electrical potential swings, between low and high cell voltages, fuel cell d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c27146f3c823ed9f1b807c76b9f8caea
https://doi.org/10.1149/ma2018-01/32/1991
https://doi.org/10.1149/ma2018-01/32/1991