A novel carbon electrode material for highly improved EDLC performance
Article Abstract:
The first practical realization of a novel carbon electrode based on grafting of vinyltrimethoxysilane (vtmos) functional group for energy storage in electric double layer capacitor (EDLC) is reported. Grafting of vtmos functional group on the surface of activated carbon enhances the hydrophobisation of carbon electrode and the affinity toward propylene carbonate (PC) solvent, which improves the wettability of carbon electrode in the electrolyte solution based on PC solvent.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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Photodecarbonylation of dibenzyl ketones and trapping of radical intermediates by copper(II) chloride in frozen aqueous solutions
Article Abstract:
A quantitative and qualitative study of the Norrish type I reaction of dibenzyl ketone (DBK) and methyldibenzyl ketone (MeDBK), producing the benzyl radicals and recombination products, in frozen aqueous solution over a broad temperature range is presented. It is found that the behavior of the ketones aggregated in clusters at the ice grain boundaries is similar to that of silical gel surfaces and that diffusion is still relatively efficient below -50 degree Celsius.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2005
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Enhanced protonation of cresol red in acidic aqueous solutions caused by freezing
Article Abstract:
A new UV-Vis absorption spectroscopy technique is used to examine the protonation degree of cresol red (CR) in frozen aqueous solution containing various acids. The results show that the extent of CR protonation is directly proportional to the local concentration of acids and is independent of the freezing rate and the type of acid used.
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 2006
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