Results 81 to 90 of about 1,081,138 (206)

Study of the influence of phosphoric acid in steel anaerobic corrosion via the hydrogen evolution reaction. [PDF]

, 2007
Although it is well known that the phosphate species are quiet electrochemically inert when considering their calculated redox potential, few studies since the end of 80’s reported electrochemical phenomenon observed in the reduction domain which were ...
Basséguy, Régine, Bergel, Alain, De Silva Munoz, Leonardo   +2 more
core  

Porphyrin-based frameworks and derivatives for the oxygen reduction reaction

Materials Today Catalysis
The global energy crisis and environmental pollution issues caused by the continuous consumption of fossil fuels are increasingly becoming severe. Developing clean and sustainable hydrogen (H2) energy and corresponding storage and conversion devices have
Yiwen Cao, Yonghong Mou, Jieling Zhang, Rui Zhang, Zuozhong Liang   +4 more
doaj   +1 more source

Surface Structure Sensitive Electrocatalytic Activity of Platinum Nanofilm Decorated Gold Microelectrode for Oxygen Reduction Reaction

International Journal of Electrochemical Science, 2015
The electrocatalytic activity toward oxygen reduction reaction of a Pt nanofilm decorated gold micro-electrode with various of Pt/Au surface ratio has been investigated.
Deyu Qu, Youzhen Tao, Liping Guo, Zhizhong Xie, Wenao Tu, Haolin Tang   +5 more
doaj   +1 more source

Heterostructures of MXenes and N-doped graphene as highly active bifunctional electrocatalysts

, 2018
MXenes with versatile chemistry and superior electrical conductivity are prevalent candidate materials for energy storage and catalysts. Inspired by recent experiments of hybridizing MXenes with carbon materials, here we theoretically design a series of ...
Liu, Nanshu, Pei, Wei, Yang, Xiaowei, Zhao, Jijun, Zhou, Si   +4 more
core   +1 more source

Study of Pt-Ru-Ir nano-catalysts derived from metal salts prepared by thermal pyrolysis to carry out the oxygen reduction reaction

Next Materials
The primary challenge in regenerative fuel cell systems is the preparation of electrodes where oxygen evolution and reduction reactions occur, known as bifunctional electrodes.
A.M. Fernandez, A. Altamirano-Gutiérrez
doaj   +1 more source

Modeling the Oxygen Reduction Reaction on Nitrogen-Doped Graphene [PDF]

, 2014
Atmospheric carbon dioxide levels are higher than they have been in the last million years. The environmental concerns associated with anthropogenic carbon pollution have motivated investment in alternative energy sources.
Warburton, Robert
core  

Oxygen reduction on a Pt(111) catalyst in HT-PEM fuel cells by density functional theory

AIP Advances, 2017
The oxygen reduction reaction plays an important role in the performance of high-temperature proton exchange membrane (HT-PEM) fuel cells. In this study, a molecular dynamics model, which is based on the density functional theory and couples the system’s
Hong Sun, Jie Li, Saif Almheiri, Jianyu Xiao   +3 more
doaj   +1 more source

Simultaneous Nitrogen-Doping and Reduction of Graphene Oxide

, 2009
We develop a simple chemical method to obtain bulk quantities of N-doped, reduced graphene oxide (GO) sheets through thermal annealing of GO in ammonia.
Dai, Hongjie, Diankov, Georgi, Li, Xiaolin, Robinson, Joshua T., Sanchez, Hernan, Wang, Hailiang   +5 more
core   +1 more source

Electrochemistry and spectroelectrochemistry of iron porphyrins in the presence of nitrite [PDF]

, 2001
The reaction of nitrite with ferric and ferrous porphyrins was examined using visible, infrared and NMR spectroscopy. Solutions of either ferric or ferrous porphyrin were stable in the presence of nitrite, with only complexation reactions being observed.
Ryan, Michael D., Wei, Zhongcheng
core   +1 more source

Estimations of electric field effects on the oxygen reduction reaction based on the density functional theory [PDF]

, 2007
Abild-Pedersen, Bedürftig, Bligaard, Clay, G. S. Karlberg, Hammer, Hyman, J. K. Nørskov, J. Rossmeisl, Karlberg, Nørskov, Nørskov, Payne, Rossmeisl, Rossmeisl, Skúlason, Taylor, Vanderbilt, Weaver   +18 more
core   +2 more sources