Synthesis of 5,6,11,12,17,18 hexaazatrinaphthylene nanowires for cathode material in lithium battery
... SYNTHESIS OF 5,6,11,12,17,18- HEXAAZATRINAPHTHYLENE NANOWIRES FOR CATHODE MATERIAL IN LITHIUM BATTERY SU JIE (MSc), PKU A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF SCIENCE DEPARTMENT OF ... supervision of Prof Loh Kian Ping in Department of Chemistry, Faculty of Science, National University of Singapore I deeply appreciated Prof Loh for his patient...
Ngày tải lên: 30/09/2015, 10:13
... micrographs of hydrothermally grown (a) SnO2 nanowires on a SiO2 /Si substrate; (b) SnO2 nanowires/ nanoneedles on a SiO2 /Si substrate The inset is a magnified image of the end planes of the tetragonal ... modes of A2 u , and 3Eu , are infrared (IR) active and two modes of A2 g , and B1u , are inactive [23] Fig shows the Raman spectra of the nanowires in the waven...
Ngày tải lên: 19/03/2014, 16:47
... One- pot facile synthesis of iron oxide nanowires as high capacity anode materials for lithium ion batteries Hao Liu*, David Wexler, ... 31 5-3 18 Page of 14 Caption of figures Fig X-ray diffraction pattern of alpha phase iron oxide nanowires Fig SEM and TEM Images of Fe2O3 nanowires and precursors a) The SEM image of ip t Fe2O3 nanowires ... the t...
Ngày tải lên: 20/03/2014, 13:05
simple and rapid synthesis of a-fe2o3 nanowires under ambient conditions
... Srivastava, A K; Nandedkar, R V Growth and characterization of alpha-Fe2O3 nanowires J Appl Phys 2007, 102, 054303 [14] Dong, W T.; Zhu, C S Use of ethylene oxide in the sol gel synthesis of alpha-Fe2O3 ... Material (ESM) In spite of intensive research into one-dimensional structures of metal oxides in particular and NWs in general, our understanding of the mechanisms of...
Ngày tải lên: 20/03/2014, 13:07
solution-based synthesis of efficientwo3 sensing electrodes for high
... were used to fabricate WO3 sensing electrodes for high temperature potentiometric NOx sensing WO3 films can be deposited selectively on Pt electrodes only or on both Pt electrodes and UV-ozone treated ... peroxytungstate-coated Pt electrodes heated in air at 700 ◦ C for h (Sensor C); (e) cross-section of the WO3 /Pt/YSZ interface (Sensor C); (f) higher magnification microgra...
Ngày tải lên: 20/03/2014, 13:07
Báo cáo hóa học: " Synthesis of magnetic nanofibers using femtosecond laser material processing in air" ppt
... results in increasing the number of pulses and hence decreases size of the generated magnetic nanofibers Increasing repetition rate of the femtosecond laser results in generating smaller size magnetic ... magnetic nanofibers The magnetic strength of the generated nanofibers can be controlled by changing the repetition rate of the femtosecond laser These ma...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo hóa học: " Low-temperature synthesis of CuO-interlaced nanodiscs for lithium ion battery electrodes" potx
... performance of these CuO nanostructures Conclusion In summary, the successful low-temperature synthesis of phase-pure 2-D CuO-interlaced nanodiscs was demonstrated using simple dehydrogenation of ... [27] Formation of composites by incorporation of MWCNTs can provide an enhanced electronic conductivity of electrodes and elastic buffers for releasing the strain of CuO d...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo hóa học: "Controllable Synthesis of Magnesium Oxysulfate Nanowires with Different Morphologies" potx
... the presence of minor amount of EDTA were favorable for the formation of 513MOS nanowires with high aspect ratio Conclusion 513MOS nanowires with a length of 20–60 lm and a diameter of 60–300 nm ... the axial growth of the 513MOS nanowires The increase of [Mg2?] and the supersaturation of 513MOS within initial h of reaction should be attributed mainly to the dissol...
Ngày tải lên: 22/06/2014, 01:20
Investigation and integration of piezoresistive silicon nanowires for MEMS applications
... can categorize the efforts as basic investigation of the SiNWs for its unique properties and integration of SiNWs with Micro-Electro-Mechanical-Systems (MEMS) for various applications In this ... the practical value of SiNWs and their integration with MEMS for applications In this chapter on literature review, the focus is the piezoresistive effect of SiNWs an...
Ngày tải lên: 09/09/2015, 10:08
Designing and synthesis of shape memory polymers for biomedical application
... DESIGNING AND SYNTHESIS OF SHAPE- MEMORY POLYMERS FOR BIOMEDICAL APPLICATION XUE LIANG (Msc in Chemistry, Zhejiang University, China ) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHYLOSOPHY ... mechanical and shape- memory properties of SMPs is examined The characterization of polymers structure, thermal, and mechanical properties, and the investigat...
Ngày tải lên: 11/09/2015, 09:58
Synthesis of work exchange networks for gas processing applications 5
... efficiencies of compressor systems, a performance based efficiency factor could be implemented into the model formulation This, however, necessitates the availability of performance curves of compressor ... composition for which there is the greatest match between the hot and cold composite curves The first recommendation for WENS is developing model with variable speed that will of...
Ngày tải lên: 13/10/2015, 16:41
Synthesis of work exchange networks for gas processing applications 4
... 123, 746 42 ,991 5, 643 1,023,562 -877,380 -1,099,392 -750,731 -631,383 211,766 -890,733 LP2 242 ,006 203,0 04 77 ,46 0 79,9 24 309,015 253,009 175 ,47 3 45 ,41 2 40 9,018 253,009 48 ,3 04 71 ,43 3 -165,371 841 ,005 ... network, Substituting the above results and WUsk from eqs 4. 31b&d into eq 4. 33 gives us the objective function for our formulation, which comprises eqs 4. 2 -4....
Ngày tải lên: 13/10/2015, 16:41
Synthesis of work exchange networks for gas processing applications 3
... (MW) 32 0 31 5 31 0 30 5 30 0 295 290 285 280 298 299 30 0 30 1 30 2 30 3 30 4 30 5 Cooling Water Temperature (K) Figure 3. 15 Effect of cooling water temperature on total compressor load In light of the ... Ethane 0 .30 6 0 .32 6 0 .34 6 0 .36 6 0 .38 6 0.406 0.426 0.446 0.466 Propane 0.225 0.225 0.225 0.225 0.225 0.225 0.225 0.225 0.225 Nitrogen 0. 132 0. 132 0. 132 0. 132...
Ngày tải lên: 13/10/2015, 16:41
Synthesis of work exchange networks for gas processing applications 2
... Network Synthesis (HENS)15,16 While the literature has studied networks for heat exchangers15,16, steam turbines17,18, reactors19 ,20 , separation21, mass exchange2 2, 23, fuel gas2 4, and utility25, ... network for exchanging 13 Chapter Literature Review work in this manner may be called Work Exchange Network Synthesis or WENS It is a useful and direct extension of the...
Ngày tải lên: 13/10/2015, 16:41