hydrogen storage in metal hydrides

... 2.3 Hydrogen Storage in Other Nanoporous Adsorbents 2.3.1 Zeolites 2.3.2 Metal Organic Frameworks (MOF) 30 2.4 Hydrogen Storage in Metal Hydrides 2.4.1 Complex Hydrides 32 ii 2.4.1.1 Aluminum Hydrides ... of Hydrogen Formation of metal hydrides involves the reaction of hydrogen atom with many metals, at elevated temperatures The binary hydrides of transition metals are predominantly metallic in ... [Reprinted with permission from [47] Copyright AAAS (2003)] 2.4 Hydrogen Storage in Metal Hydrides Metallic hydrides appear to be popular group of material for hydrogen storage due to their high storage...

Ngày tải lên: 22/10/2015, 21:14

... during desorption in a metal hydrogen reactor”, Int J Hydrogen Energy, 1995, 20, 881-891 [11] D Mat, Y Kolpan, “Numerical study of hydrogen absorption in an Lm-Ni5 hydride reactor”, Int J Hydrogen ... When the hydrogen is initially introduced in the inner layer (r=rinner) of metal hydride reactor, a solid solution (α-phase) region is observed as the hydrogen absorption process After certain amount ... obtained a PhD in Mechanical engineering from National Cheng Kung University in Taiwan, 2006 He was a junior researcher at the Institute of Nuclear Energy Research Now he is working at the Refining...

Ngày tải lên: 05/09/2013, 14:58

... lithium hydride slurry being poured into a storage vessel that we were using in the vehicle program This is 60% lithium hydride in mineral oil with a dispersant to maintain the slurry properties ... approach for storing hydrogen provides a viable alternative to hydrogen storage as liquid hydrogen or highly compressed hydrogen Storage densities are higher than those for metal hydrides The gravimetric ... of hydrogen An important thing to note is the rapid rise in hydrogen flow rate with increases of the slurry and the rapid drop in the hydrogen flow rate with decreases of the slurry By having...

Ngày tải lên: 05/03/2014, 20:20

... achieved in AB nanoconfined in mesoporous silica scaffold Interestingly, by confining AB in the scaffold, its dehydrogenation enthalpy was altered to become thermal neutral (-1 kJ/mol H2), indicating ... and cheaper metal hydrides, for instances, simple binary hydrides. 12, 13 LiH and MgH2 are both light metal binary hydrides which attract significant attention owing to their high hydrogen capacities ... introducing Ti-based catalyst into LiAlH4 by ball milling was reported to show kinetic enhancement in the dehydrogenation process In fact, improved dehydrogenation kinetics can also be achieved in...

Ngày tải lên: 10/09/2015, 15:50

... settings locally The following example demonstrates storing the user’s name in IsolatedStorageSettings public partial class MainPage : UserControl { private IsolatedStorageSettings isSettings ... ShowGridLines="True">

Ngày tải lên: 05/10/2013, 04:20

... Saenger W (1991) Hydrogen Bonding in Biological Structure Springer, Berlin Steiner T & Koellner G (2001) Hydrogen bonds with p acceptors in proteins: Frequencies and role in stabilising local 3D ... (2000) Deterministic features of side chain main chain hydrogen bonds in globular structures Protein Engineering 15, 227–238 28 Kim Y, Lim S & Kim Y (1999) The role of a Short Strong Hydrogen bond ... packing and stability of these supersecondary structures Apart from interhelical stabilization, SHBs involving side chains are also observed in intrahelical interactions An example is shown in...

Ngày tải lên: 07/03/2014, 17:20

... extend single (I27SÀS)8 polyproteins The constant force caused individual I27 proteins in the chain to unfold, resulting in stepwise increases in length of the molecule following each unfolding event ... conditions, stretching a polyprotein results in a well-defined series of step increases in length, marking the unfolding and extension of the individual modules in the chain.[37] The size of ... combined with polyprotein engineering has become a powerful approach to studying proteins Using this technique, we have investigated the force-dependency of protein folding,[46, 47] unfolding[37,...

Ngày tải lên: 22/03/2014, 18:20

... TG in lipid droplets in adipophilin-overexpressing cells is relatively inaccessible to HSL and other lipases This interpretation is in agreement with results obtained in murine adipocytes and in ... adipophilin (Fig 4B) and by Oil Red O staining (Fig 5E,F) In cells cultured in the absence of VLDL (control cells), nominal diffuse cytoplasmic adipophilin staining was observed (Fig 4A); in the ... infected with 500 m.o.i of Ad.CMV.GFP then maintained in culture in RPMI-1640 supplemented with 10% fetal bovine serum (D) Cells infected with 500 m.o.i of Ad.CMV.adipophilin then incubated in...

Ngày tải lên: 23/03/2014, 10:21

... proteins, and has histidine-rich domains (HRDs) that render it a potential metal- binding site of the ZIP transporter [18] Indeed, our recent work showed that the HRDs of TjZNT1 may be involved in ... transporter, indicating that mutation of the N-terminus affects the ion selectivity of TjZNT1 This finding raises the possibility that differences in N-terminal structure are involved in the differential ... strain expressing TjZNT2 was significantly higher than that of the vector control cells, whereas a strain expressing DN36 showed no increase in manganese accumulation (Fig 5B) The strain expressing...

Ngày tải lên: 29/03/2014, 00:20

... temperature corresponding to its surface pressure In this case, the heating process deviates from the binode, but follows a superheating line shown in Fig 1, and the liquid is in a metastable state ... Laser-Beam Interactions with Materials, Springer Series in Materials Science 2, Springer-Verlag, Berlin Fucke, W., and Seydel, U., 1980, ‘‘Improved Experimental Determination of Critical-Point Data ... Laser-induced Shock Wave in Thin Nickel Foil,’’ Proc of the 1998 ASME International Mechanical Engineering Congress and Exposition, HTD-Vol 361-4, pp 79– 86 ͓26͔ Cavalleri, A., Sokolowski-Tinten,...

Ngày tải lên: 06/05/2014, 08:55

... temperature corresponding to its surface pressure In this case, the heating process deviates from the binode, but follows a superheating line shown in Fig 1, and the liquid is in a metastable state ... Laser-Beam Interactions with Materials, Springer Series in Materials Science 2, Springer-Verlag, Berlin Fucke, W., and Seydel, U., 1980, ‘‘Improved Experimental Determination of Critical-Point Data ... Laser-induced Shock Wave in Thin Nickel Foil,’’ Proc of the 1998 ASME International Mechanical Engineering Congress and Exposition, HTD-Vol 361-4, pp 79– 86 ͓26͔ Cavalleri, A., Sokolowski-Tinten,...

Ngày tải lên: 06/05/2014, 08:57

Ngày tải lên: 27/05/2014, 14:27

... Hydrides and Nanomaterials 21 Mg2Fe binary intermetallic by either ingot casting or metal powder sintering procedures; however, when sintering is done in hydrogen, a very stable Mg2FeH6, noninterstitial, ... then the storage of hydrogen in metals instead of storing electric current So, at the same time as the AB5-group hydrides were intensively investigated in the BNL, new AB-type hydrides came into ... milling Hydrogen can also alloy with metals to form interstitial metal -hydrogen solutions, hydrides, or chemical hydrides Reactive mechanical milling in hydrogen- fed ball mills, we can term hydrogen...

Ngày tải lên: 04/06/2014, 14:37

... 2011 Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Energy Storage in the Emerging Era ... Adesonine Three-Phosphate (ATP), maintaining the body at a constant temperature of about 37°C; the investigation of this process could be helpful in searching for an alternative energy storage ... batteries in energy density, maintaining their high power density; this may be achieved by using ionic liquids with a voltage window more than 4V, by discovering new materials that combine double-layer...

Ngày tải lên: 19/06/2014, 10:20

... and spinning wheels are early examples of systems employing kinetic energy storage in a rotating mass With the advent of modern machinery, flywheels became commonplace as steam engines and internal ... techniques In conventional switching converters including the SCCs shown in the previous section, switching losses caused by high-frequency switching operations are a major factor in reducing power ... are connected directly via S2 Stepwise increases in ISC result in inflection points in VSC The above-mentioned sequence is repeated to maintain VLoad within a desired voltage range bounded by...

Ngày tải lên: 19/06/2014, 10:20

... et al (2010b) aimed at maximizing kinetic energy storage while minimizing cost Stress within the flywheel was included as a constraint in the optimization problem In their case, the flywheel was ... worth mentioning that several papers, from related literature, refer to obtaining RORs, differing only in the technique used for setting the points and implementing the obtained RORs In (Soares ... obtaining a global optimum, several approaches can be used to continue searching once a local minimum has been obtained, thereby enabling the identification of all local minima Once all local minima...

Ngày tải lên: 19/06/2014, 10:20

... stored in the system regarding the last interval of the planning horizon (ESS60 ) Since the decisions taken at interval of the planning depends on the decisions taken in the past and determine the ... the stored energy in the hydroelectric system This different behavior is obtained by different settings in the linguistic 84 16 Energy Storage in the Emerging Era Will-be-set-by -IN- TECH of Smart ... actual water in ows occurred during the periods in order to obtain the solution with the perfect knowledge of water in ows for the entire planning horizon The natural water in ows used in the operational...

Ngày tải lên: 19/06/2014, 10:20

... treatment in the interface of microPCMs and epoxy matrix obviously, as shown in Fig 16 (d-f) With the increasing of Ct, the absorbingreleasing of latent heat will more intensively in composites ... of microcapsules in water, (a) OSC microcapsules in water for 30 min, (b) OSC microcapsules in water for 60 min, (c) OSC microcapsules in water for 90 min, (d) TSC microcapsules in water for 90 ... will decrease following with the internal cracks or microcapsules rupture [21] 124 Energy Storage in the Emerging Era of Smart Grids These entire interface changes certainly influence and shorten...

Ngày tải lên: 19/06/2014, 10:20

... electro-chemical driving force for transferring potassium ions into the matrix, leads to the opening of KATP channel which in turn results in osmotic swelling In order to maintain electrical balance, ... science and engineering Thermodynamic models on energy transductions in such systems could play a key role in applying these patterns in industry and other relevant areas In developing models for ... Energy Storage in the Emerging Era of Smart Grids Such thermodynamic models can also be used in assessing the effect of some drugs used for weight loss or doping In fact weight loss through reducing...

Ngày tải lên: 19/06/2014, 10:20