interface design of carbon nano materials for energy storage

... characteristics of different cells with electrospun TiO2 nanofibers, rice grain nanostructures, and P25 as the photoanode materials Fig 3.10 Cross-sectional SEM images of (A) TiO2 nanoparticles/nanofiber ... images of the TiO2 rice grain nanostructure (A) and nanofiber (B) after their utilization as electrode materials for 800 cycles (The nanoparticles surrounding the rice grain nanostructure are the carbon ... the energy is more desired for the application of lighting, heating, or other electrical devices Therefore, the topic of renewable energy comes with the dual topic of energy conversion and storage...

Ngày tải lên: 10/09/2015, 09:12

... that energy storage is one of possible solutions for energy conservation and leveling of energy demand patterns Thermal energy storage (TES) is considered by many to be one of the energy storage ... Thermal energy storage 2.2 Thermal energy storage techniques 2.3 Candidate heat storage materials 15 2.4 Factors affecting the energy storage capacity of PCM 20 2.5 Encapsulation of phase change materials ... curve of DSC for spray-dried sample 2:1 67 Figure 4.8: The output curve of DSC for coacervated sample 2:1 67 Figure 4.9: SEM profile of the coacervated samples 68 Figure 4.10: SEM profile of the...

Ngày tải lên: 05/10/2015, 21:22

... Calibration of diffusion profiles 82 4.4 Calibration of thin films deposited on diffused and undiffused wafers 83 4.5 Calibration of interface properties 87 4.5.1 Interface towards ... for modelling the bulk properties of the c-Si wafer and of the a-Si and µc-Si thin-film layers, based on [127] as well as on the fitting of the lifetime samples of Figure 4.4 The activation energy ... regions of the various solar cell architectures mentioned in Section 4.1 The measured diffusion profiles of Figure 4.3 as well as the measured interface charge and interface defect distribution of...

Ngày tải lên: 09/09/2015, 11:15

... STACK MODELING AND DESIGN OF DC/DC CONVERTER FOR FUEL CELL ENERGY SYSTEM KONG XIN (M.Eng., XJTU, P.R.China) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF ELECTRICAL & COMPUTER ... (simulated) (a) Waveforms of input current ig , inductor current i1 /i2 ; (b) Waveforms of output voltage Vo , (c) Magnified waveforms of input current ig ; (d) Magnified waveforms of inductor current ... used for experiments Schematic diagram of the experimental setup of Nexa fuel cell stack Typical waveforms of the voltage response to current interrupt Typical waveforms of...

Ngày tải lên: 14/09/2015, 14:09

... especially the design of novel chiral indium(III) complexes for catalytic enantioselective carbon- carbon bond formation and their application to the synthesis of bioactive molecules In this part of the ... equimolar of allyltributylstannane w a s added to the mixture of (S)-BINOL-InCl3 in CDCl3 H NMR spectrum indicated the formation of a set of new allylic signal together with quantitative formation of ... Rachel for bringing endless joy and comfort to me i TABLE OF CONTENTS ACKNOWLEDGEMENTS i TABLE OF CONTENTS ii SUMMARY v LIST OF ABBREVIATIONS x CHAPTER 1: CATALYTIC ENANTIOSELECTIVE ALLYLATION OF...

Ngày tải lên: 30/09/2015, 06:07

Ngày tải lên: 17/10/2013, 19:15

... properties As part of this research, an initial investigation was made on the effects on performance of the reset windups for MIMO systems [11] showing potential for improving the performance of the system ... was described above, then x(t)e BA,C for all t and for all u(t) Proof: The proof of this Lemma follows from the construction of X(t) //// Page 13 Theorem 3.4: For the system (3.11)-(3.12) with X(t) ... boundary of the BA,C set for a long period of time which implies that the controls will stay at their maximum level for a long period of time Figures 4.12 and 4.13 show the response of the outputs...

Ngày tải lên: 18/02/2014, 10:20

... formulation of judgements of relative semantic or pragmatic acceptability The organisational complexity of Eurotra also poses problems for software design Quite separate strategies for analysis ... Generator V Unfortunately, we know of no language as suitable for the description of data as FP for the description of control The reason is that at this moment, we are insufficiently confident of the ... decomposition of a compiler into a parser and a code generator (cf, for example, Richards and Whitby-Strevens 1979) The function of the parser is to transform a text of a programming language into a formal...

Ngày tải lên: 08/03/2014, 18:20

... Mendeleyev University of Chemical Technology of Russia in 1964 He is a professor, head of the Department of 643 Physical Chemistry of Sensor Materials in the N.S Kurnakov Institute of General and Inorganic ... with BET area of the materials Both materials have cassiterite type crystalline structure The mean crystallite size of SnO2 nanopowders before heat treatment, calculated using TOPAS software, was ... 30 nm for synthesized and commercial SnO2 , respectively The temperature range for TXRD study of crystallite growth kinetics was chosen by several reasons The usual process of formation of metal...

Ngày tải lên: 19/03/2014, 16:47

... By way of example, we present a trivial grammar for a fragment of English with a lexicon associating words with DAGs properties of PATR-II to give a flavor for our approach to the design of the ... nature of the grammar formalism itself, 6The example is merely meant to be indicative of the syntax for and operation of lexical rules We not present this as a valid definition of Passive for any ... derivations of the form A ~ A 2.3 Mathematical Denotational Well-Foundedness: A Semantics 2.4.1 One reason for maintaining the simplicity of the bare PATR-II formalism is to permit a clean semantics for...

Ngày tải lên: 24/03/2014, 01:21

... mixing two solutions containing 5.56 mmol of FeCl3 · 6H2O (Aldrich) and 0.12 mmol of G4NH2 for h The catalyst solution was kept for ∼48 h before it was used for nanotube growth The G4-NH2-templated ... the existence of multiple G peaks The quality of the fit in the low -energy and high -energy tails of the D- and G-bands, respectively, is good The assignment of the peak components of the D- and ... to evaluate the quality of the CNTs Yoshida et al.32 have shown that the FWHM intensity of the G-band reflects the degree of graphitization of carbon materials The effect of dc bias voltage on the...

Ngày tải lên: 06/05/2014, 08:53

... of carbon nano bers with the use of natural precursor: Turpentine oil, a carbon feedstock, ferrocene as catalyst and sulfur as promoting agent This is the first report of synthesis of carbon nano ber ... synthesize CNFs However, in view of foreseen crisis of fossil fuels in the near future, it is desirable to look for alternative carbon feedstock to synthesize this kind of nanomaterials Turpentine oil ... role for the formation of CNFs as it liquefies iron particle that enhances CNFs formation This liquefaction considerably increases the formation of CNFs by VLS process, due to formation of eutectic...

Ngày tải lên: 22/06/2014, 01:20

... Performance comparison for HW/SW implementations At this stage of system codesign, system designer has profiling results of software as well as hardware implementation costs and the performance of ... and energy Platform configuration selected SystemC TLM Platform to VHDL platform PIM to PSM transformation HW/SW platform generation for FPGA platforms and download Platform-to-platform generation ... system is fixed; hence only tuning of some soft parameters is performed for these platforms to improve the application performance and resource usage Examples of such soft parameters include interrupt...

Ngày tải lên: 22/06/2014, 19:20

... channels, their performance can be seriously degraded [8] This inferior performance has a twofold origin: the short-term variations of the channel response and the jitter of the sampling process ... values of 20 picoseconds, 10 picoseconds and picosecond This model is sometimes simplified, for example, when modeling the phase noise of the oscillators employed in the downconversion of OFDM signals, ... means of an interpolator The oversampling is performed to reduce the typical performance degradation experienced by interpolator filters in the vicinity of half the Nyquist frequency By designing...

Ngày tải lên: 22/06/2014, 20:20

... value for the metric Once the dot profile of the initial gray level is designed, dot profiles for lighter and darker gray levels are designed in a similar manner: at each step, a random selection of ... 5) masks need to be formed Thus, efficiency was not a concern for Kang In fact, in the description of his mask formation algorithm in [8], it appears that Kang performs a brute-force search through ... This idea is not practical however, because of the extreme amount of time needed to sample the entire image for the formation of all the dot profiles of all gray levels In this paper, we introduce...

Ngày tải lên: 23/06/2014, 01:20

... Method of Test for Density of Soil In-Place by the SandCone Method Standard Method of Test for Density of Soil In-Place by the RubberBalloon Method Standard Method of Test for Permeability of Granular ... Specification for Materials for Embankments and Subgrades Recommended Practice for the Classification of Soil and Soil-Aggregate Mixtures for Highway Construction Purposes Standard Definitions of Terms ... underlying objectives of stability and uniformity always prevail 1.1.4 This committee effort is a brief review of materials, their basic properties, effects of environment, methods of stabilization,...

Ngày tải lên: 24/10/2014, 21:59

... A force measuring based strategy for failure prevention in incremental forming, Journal of Materials Processing Technology 177 (2006) 413416, April 2006 [2] Sỹleyman Yaldza, Faruk ĩnsaỗara, Design, ... Duflou, Force prediction for single point incremental forming deduced from experimental and FEM observations, Int J Adv Manuf Technol DOI 10.1007/s00170009-2160-2, June 2009 [5] Karl Hoffmann, ... April 2006 [2] Sỹleyman Yaldza, Faruk ĩnsaỗara, Design, Development And Testing Of A Turning Dynamometer For Cutting Force Measurement, Technical Science College, Selỗuk University, 42031, Konya,...

Ngày tải lên: 25/07/2015, 07:17

... proposal for the PRMA, in terms of simulation designs, the making of a prototype, the development of a parallel detection system, and proof -of- principles experiments Some suggestions for future ... horizontal detector plane for the modified parallel energy magnetic box analyser at a polar angular spread of ± 50 mrad The simulated energy resolution for an out -of- plane angle of 30 mrad is also shown ... output focal plane for the modified parallel energy magnetic box analyser at a polar angular spread of ± 50 mrad The simulated energy resolution for an out -of- plane angle of 30 mrad is also shown...

Ngày tải lên: 09/09/2015, 09:59

... TAILORING THE PROPERTIES OF GLASSY POLYMERIC MEMBRANES FOR ENERGY DEVELOPMENT LI FUYUN B Tech (Hons.), NUS A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMICAL AND BIOMOLECULAR ... operation Microfiltration Ultrafiltration Nanofiltration Dialysis Forward osmosis Electrodialysis Major applications Separation of bacterial and cells Separation of proteins and virus Separation of dye ... prevent carbon dioxide from build-up, such as processes with enhanced energy efficiency, an increased use of renewable energy sources or the development of non-CO2 emitting energy sources, carbon...

Ngày tải lên: 09/09/2015, 17:56