Zobrazeno 1 - 10
of 85
pro vyhledávání: '"John B. Kerr"'
Publikováno v:
Journal of Organometallic Chemistry. 839:38-52
Two novel tandem catalysis approaches for the chiral synthesis of S-alcohols from reduction of their prochiral ketones with Horse Liver Alcohol Dehydrogenase (HLADH), and selective C-H oxidation reactions with protein engineered Cytochrome P450s, are
Publikováno v:
Fuel Cells. 15:239-245
The interaction of Nafion® 212 membrane with a carbocyclic fuel, decalin was studied. Membrane electrode assemblies (MEA) fabricated with decalin treated membranes exhibited significant increase in power density in a H2/Air fuel cell at 60% relative
Publikováno v:
ECS Transactions. 50:2129-2137
This study was aimed at understanding the interaction of liquid organic fuels with Nafion® membranes. Carbocyclic compounds, O-containing and N-containing heterocyclic compounds were investigated as fuels. We report the properties of PEMs, such as s
Publikováno v:
ChemPhysChem. 14:2132-2142
Carbon-supported Pt@Au "core-shell" nanoparticles with varying surface concentration of platinum atoms have been synthesized using a novel redox-mediated synthesis approach. The synthesis technique allows for a selective deposition of platinum atoms
Publikováno v:
Journal of The Electrochemical Society. 160:G3152-G3158
Autor:
Qinggang He, Tawanda Mugadza, Xiaobing Zhu, Xiongwu Kang, John B. Kerr, Tebello Nyokong, Shaowei Chen
Publikováno v:
Journal of Power Sources. 216:67-75
This study was motivated by the need for improved understanding of the kinetics and transport phenomena in a homogeneous catalyst system for the oxygen reduction reaction (ORR). Direct interaction between the sulfonic groups of Nafion and an Fe(III)
Autor:
Adam Z. Weber, Qinggang He, John B. Kerr, Nana Zhao, Zulima Martin, Gisuk Hwang, Xiaobing Zhu, Kyle T. Clark
Publikováno v:
ECS Transactions. 45:143-152
Transition metal porphyrin complexes have been mounted in a three dimensional homogenous distribution inside the ionomer of catalyst layers in MEAs to achieve competitive fuel cell catalysis activity. The effect of electrode components including iono
Publikováno v:
Journal of The Electrochemical Society. 159:F628-F634
Autor:
John B. Kerr, Robert H. Crabtree, John Arnold, Leah Rubin, Oana R. Luca, Peter F. Driscoll, Christopher E. D. Chidsey, Elise Deunf
Publikováno v:
ECS Transactions. 35:3-17
The process of redox catalysis has been known and well studied theoretically and experimentally for several decades. Studies of redox catalysis can be instrumental in determining mechanistic aspects of electrochemical reactions and in measuring basic
Autor:
Ravindra A. Potrekar, Tobias Brecht, Kyle T. Clark, Sean Burgess, Zulima Martin, John B. Kerr, Xiaobing Zhu
Publikováno v:
ECS Transactions. 41:2135-2145
To minimize humidity dependence and enhance temperature tolerance, anhydrous Polymer Electrolyte Membranes (PEM) are desired to allow fuel cells to operate with conductivities as high as 0.1S/cm at temperatures up to 120oC. Heterocyclic molecules suc