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
... 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 instructions and great support Prof Loh ... images of HAT 15 Figure 13 CV of HAT in EC/DMC 17 Figure 14 Charge-discharge of HAT in EC/DMC 18 Figure 15 Cycling performance of HAT in EC/DMC 19 Figure 16 CV of HAT in...
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a rapid hydrothermal synthesis of rutile sno2 nanowires
... 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 wavenumber range (300–850 cm−1 ) Raman spectra ... detailed morphologies of the SnO2 nanowires prepared through the hydrothermal reaction The nanowires/ nanoneedles have a uniform length of about 10–20 m and diameters of about 0.1 m (Fig 2a) ...
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one - pot facile synthesis of iron oxide nanowires as high capacity anode
... 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 theoretical capacity of Fe2O3 is as high as 1005 mAh/g, which is much higher than that of the theoretical capacity of graphite anode materials (372 mAh/g) The extraction of lithium ion from...
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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 their formation and growth is still ... accumulated in the Fe3O4 and FeO layers and cannot directly affect the 377 Nano Res (2009) 2: 373 379 growth of the NWs Figure shows our understanding of the NW formation conditions and a suggested mechanism...
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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 micrograph of the FIB-cut cross-section of WO3 ... platform described previously (Fig 1a) was treated with UV radiation and ozone for 30 The shape of the WO3 electrode was controlled by confining the UV irra- The gas sensing experiments were performed...
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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 magnetic nanofibers may be utilized in many ... al.: Synthesis of magnetic nanofibers using femtosecond laser material processing in air Nanoscale Research Letters 2011 6:375 Submit your manuscript to a journal and benefit from: Convenient online...
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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 during the Li conversion ... 60°C in solution The details of the growth aspects of the CuO-interlaced nanodiscs were suggested by the combined effects of the oriented attachment and subsequent dissolution-precipitation processes...
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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 dissolution of the Mg(OH)2 precursor, ... ways of the reactants or addition of EDTA The preferential orientation of 513MOS nanowires was identified and the related process mechanisms were discussed Experimental Synthesis of 513MOS Nanowires...
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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 and their applications in real ... piezoresistivity, MEMS piezoresistive sensors and the basic concept of MEMS fatigue, and the SiNW fatigue and SiNW based MEMS sensors The review presents the current progress of SiNW study, trying...
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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 investigation of shapememory behavior of star polymers ... tensile strength (σm) of 14-20 MPa and Young’s modulus (E) of 70-91 MPa) and exhibited excellent shape- memory property at 40 oC, with Rf of over 95%, Rr of over 97%, and shape recovery within...
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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 offer optimal synthesis of ... synthesis of this network This is not executed in this work as highly complex nature of the operating curve is the main barrier Due to unavailability of operating curves for different mover model...
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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. 14, 4. 24a-b, 4. 25a-b, 4. 27a-c, 4. 28, ... configuration (4. 8b), alternate configuration (4. 8c), and the P-T profiles (4. 8d) for the first two configurations for HP1 93 Chapter Work Exchange Networks Synthesis (4. 9b) (4. 9a) 1000...
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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 0. 132 0. 132 0. 132 0. 132 0. 132 methane-ethane ... after compressor (K) 33 6.992 33 5.560 0.425 Tmr_8 MR temperature after intercooler (K) 30 3.000 30 3.000 0.000 Tmr_9 MR temperature after compressor (K) 33 5.984 34 0.810 -1. 436 43 Chapter Optimal...
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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 well known Heat Exchange ... heuristics-based methodology may not offer the most economical network Therefore, there is a need for a cost-based structural optimization approach for work exchange network synthesis as presented in this...
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Từ khóa: result of english proficiency test for teachers 2014 in batangasimportance of using verbal groups for teaching tenses in english languageidentification of functional candidate genes for drought tolerance in ricedeveloping a sytem of abbreviation and symbols for note taking in interpretingupon inception of the obligation or for subsequent changes in these amounts which result in an increase in the provision generally with a debit to accounts in subgroup 21the use of sex sorted sperm for reproductive programs in cattleBáo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018chuyên đề điện xoay chiều theo dạngMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngThơ nôm tứ tuyệt trào phúng hồ xuân hươngChuong 2 nhận dạng rui roTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2chuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM