carbon materials for advanced technologies

... Carbon Materials for Advanced Technologies Carbon Materials for Advanced Technologies Edited by Timothy D Burchell Oak Ridge, National ... transformation diagram for carbon has been reviewed by Sekine [69] 14 Carbon Films The transformations between one form of carbon and another can be classified as follows: a) solid-solid transformations, ... cokes, carbon fibers, binder and matrix carbons' mesocarbon microbeads, carbon fibers PAN-based carbon fibers glassy carbons, binder and matrix carbons" graphite films and monoliths activated carbons...

Ngày tải lên: 13/02/2014, 11:20

... Carbon Materials for Advanced Technologies Carbon Materials for Advanced Technologies Edited by Timothy D Burchell Oak Ridge, National ... transformation diagram for carbon has been reviewed by Sekine [69] 14 Carbon Films The transformations between one form of carbon and another can be classified as follows: a) solid-solid transformations, ... cokes, carbon fibers, binder and matrix carbons' mesocarbon microbeads, carbon fibers PAN-based carbon fibers glassy carbons, binder and matrix carbons" graphite films and monoliths activated carbons...

Ngày tải lên: 05/03/2014, 15:20

... Carbon Materials for Advanced Technologies Carbon Materials for Advanced Technologies Edited by Timothy D Burchell Oak Ridge, National ... transformation diagram for carbon has been reviewed by Sekine [69] 14 Carbon Films The transformations between one form of carbon and another can be classified as follows: a) solid-solid transformations, ... cokes, carbon fibers, binder and matrix carbons' mesocarbon microbeads, carbon fibers PAN-based carbon fibers glassy carbons, binder and matrix carbons" graphite films and monoliths activated carbons...

Ngày tải lên: 14/03/2014, 16:20

... Carbon Materials for Advanced Technologies Carbon Materials for Advanced Technologies Edited by Timothy D Burchell Oak Ridge, National ... transformation diagram for carbon has been reviewed by Sekine [69] 14 Carbon Films The transformations between one form of carbon and another can be classified as follows: a) solid-solid transformations, ... cokes, carbon fibers, binder and matrix carbons' mesocarbon microbeads, carbon fibers PAN-based carbon fibers glassy carbons, binder and matrix carbons" graphite films and monoliths activated carbons...

Ngày tải lên: 27/06/2014, 17:20

... Carbon Materials for Advanced Technologies Carbon Materials for Advanced Technologies Edited by Timothy D Burchell Oak Ridge, National ... the different forms of carbon are characterised by high activation energies so that metastable forms of carbon can persist for long periods under conditions where another form of carbon is thermodynamically ... performance discussed Clearly, not all forms of carbon material, nor all the possible applications thereof, are discussed in this book However, the application of carbon materials in many advanced...

Ngày tải lên: 10/08/2014, 11:21

... involving only a small number of carbon atoms, and because of their large aspect ratio, carbon nanotubes are classified as 1D carbon systems Most of the theoretical work on carbon nanotubes has been ... 1651 Whereas multi-wall carbon nanotubes require no catalyst for their growth, either by the laser vaporization or carbon arc methods, catalyst species are necessary for the growth of the single-wall ... Therefore the m) integers (n, uniquely specify the symmetry of the basis vectors of a nanotube The basic symmetry operation for the carbon nanotube is R ($I?) The diagram is constructed for (n,...

Ngày tải lên: 10/08/2014, 11:21

... J., High performance carbon fibers In Carbon Materials for Advanced Technologies, ed T D Burchell, Elsevier Science, Oxford, 1999, pp 119 138 Burchell, T D., Porous carbon fiber -carbon binder ... active carbons generally, before leading on to introduce active carbon fibers, which axe a relatively recent development of these materials 98 carbon materials i active carbons active carbon ... activated carbon fibres, Carbon, 1997, 35(2), 291 297 Cook, T L., Komodromos, C., Quinn, D F and Ragan, S., Adsorbent storage for natural gas vehicles In Carbon Materialsfor Advanced Technologies, ed...

Ngày tải lên: 10/08/2014, 11:21

... versus modulus for some commercial carbon fibers (adapted from W1) Current Areas for High Performance Carbon Fiber Research Much of the current interest surrounding high performance carbon surrounds ... pitch-based carbon fibers (adapted from [ 5 ] ) High Performance Carbon Fibers from Novel Precursors Recently, the use of high performance polymeric fibers as carbon precursors has been investigated For ... crystallinity during carbonization, in contrast to current carbon fibers produced from PAN 3.1 Mesophase Formation The mesophase pitches used for high-modulus carbon fiber production can be formed either...

Ngày tải lên: 10/08/2014, 11:21

... (ORNL) for an aerospace application Porous, carbon fiber -carbon binder composite materials are a class of carbon composites that are not widely recognized Unlike dense, structural carboncarbon ... D.D.L., Carbon fiber reinforced concrete for smart structures, 167 Extended Abstracts, 2Ist Biennial Conference on Carbon, 1993,701 702 43 Chen P.and Chung, D.D.L , Carbon fiber reinforced concrete ... [41] A number of carbon reinforcement, includmg VGCF, PAN-based carbon fiber, pitch-based carbon fiber, natural graphite power, and electroconductive carbon black were evaluated for use in epoxy-based...

Ngày tải lên: 10/08/2014, 11:21

... past as pitches for binders and feedstocks for cokes [12] Indeed, the majority of organic chermcals and carbonaceous materials prior to World War I1 were based on coal technologies Unfortunately, ... activated carbon materials for water treatment In Proc The CARBON ‘96 Conf, 1996, pp 328 329 Burchell, T D., Judkins, R.R., Rogers, M.R and Williams, A.M A novel process and material for the separation ... Material properties data for fusion reactor plasma facing carbon- carbon composites, Nuclear Fusion, 1994, 5(Suppl.), 77 128 Skrabek, E.A., High temperature msulations for radioisotope thermoelectric...

Ngày tải lên: 10/08/2014, 11:21

... 21 22 feedstocks Paper presented at Carbon Materials for Advanced Technologies, American Carbon Society Workshop, Oak Ridge, TN, 18 May 1994 Mantell, C L., Carbon and Graphite Handbook, Robert ... and lighter weight carbon canister to be packaged on the vehicle 5.1.2 Carbon particle size The second carbon characteristic affecting performance of carbon canisters is the carbon particle size ... better understanding of the performance of activated carbon in hydrocarbon adsorption over a larger range of operation Properties of activated carbons produced by Westvaco for automotive applications...

Ngày tải lên: 10/08/2014, 11:21

... liter of carbon with 688 ml of pores there will only be 12 ml of skeletal carbon atoms This would be equivalent to 705 g carbon, (density 2.26 g/ml) Therefore the upper limit of density for a carbon ... and Sutcliffe Speakman, a carbon manufacturer, has been at the forefront of advancing ANG technology for vehicles, by developing adsorbents of high storage performance for natural gas, coupled ... been shown for many carbon adsorbents, [ l l , 201, deviations from this relationshp have been observed [20] However, as a primary screening process for possible carbonaceous adsorbents for natural...

Ngày tải lên: 10/08/2014, 11:21

... cycles, but their potential for use in these applications does not necessarily merit the development of such systems Before devoting research and development effort into active carbon- based thermodynamic ... the removal of C5 plus hydrocarbons The C2 - C5 hydrocarbons were shown to pass to the ANG storage vessel where they desorbed again on depressurization C2 - C5 hydrocarbons were desorbed from ... Performance the adsorbent has to adsorb about 120 mg gas per ml of adsorbent, where the adsorbent volume must be the practical packed volume To date, porous carbons have yielded the best performance,...

Ngày tải lên: 10/08/2014, 11:21

... to carbonaceous materials w t higher capacity and better performance ih The mechanism of lithium insertion in carbonaceous materials depends on the carbon type The structure of carbons depends ... used to study carbonaceous materials Section begins with synthesis, followed by structural models for graphitic carbons found in region Fig The structural parameters for graphitic carbons are obtained ... criterion for the anode material is that the chemical potential of lithium in the anode host should be close to that of lithium metal Carbonaceous materials are therefore good candidates for replacing...

Ngày tải lên: 10/08/2014, 11:21

... content of the carbon materials as has been experimentally shown above If the inserted lithium binds to a carbon atom which also binds a hydrogen atom, a corresponding change to the carbon- carbon bond ... understanding of carbons for Li-ion batteries have been made in the last to 10 years If continued progress is made, we can expect to see carbon materials in Li-ion batteries for a long time to ... samples (see for Table 2) Structurally, the materials are grouped into two main classes, those (soft carbons) with predominantly stacked layers (CRO, KS and PVC) and those (hard carbons) which...

Ngày tải lên: 10/08/2014, 11:21

Ngày tải lên: 10/08/2014, 11:21

Ngày tải lên: 10/08/2014, 11:21

Ngày tải lên: 10/08/2014, 11:21

Ngày tải lên: 10/08/2014, 11:21

Ngày tải lên: 13/08/2014, 08:21