Studies on nanostructured metal oxides as prospective anodes for lithium ion batteries

... results in the formation of a non-uniform, lithium alkyl carbonate passivation film on the anode surface, which is a lithium- ion conductor but an electronic insulator Although Liions can pass through ... electronic conductivity (

Ngày tải lên: 10/09/2015, 09:27

... presents studies on mixed metal oxides and cobalt nitride as prospective anode materials for LIBs based on the Li- recyclability by electrochemical processes such as ‘conversion’ reaction involving ... VI.4.Conclusions 251 References 253 Conclusions and Suggestions for Future Work 256 x Summary Lithium ion batteries (LIBs) are the promising dc- energy source...

Ngày tải lên: 11/09/2015, 10:17

... Oxide Anodes based on Displacive Redox Reaction 1.9.3.1 Binary transition metal oxides 1.9.3.2 Ternary and complex transition metal oxides 1.9.4 Oxide Anodes based on Reversible Li -metal- oxide Bronze ... 154 Conclusions 156 References 158 Chapter Mixed transition metal oxides as anodes for Li -ion batteries 5.1 Abstract 162 5.2 Introduction 163 5.3 Experimental...

Ngày tải lên: 16/09/2015, 08:32

... Electrochemical performance of NixCo1−xMoO4 (0 ≤ x ≤ 1) nanowire anodes for lithium-ion batteries Kyung-Soo Park1, Seung-Deok Seo1, Hyun-Woo Shim1, and Dong-Wan Kim*1 Department of Materials ... fabrication of NixCo1−xMoO4 (0 ≤ x ≤ 1) nanowire electrodes by a hydrothermal method, followed by thermal post-annealing We also demonstrate the superior electroch...

Ngày tải lên: 20/06/2014, 21:20

... percentages of carbon additive as anodes in lithium- ion cells (charge/discharge rate: 0.1 C) The ␣-Fe2 O3 nanorods were tested as anode materials in lithium- ion cells with different weight ratios of conductive ... nanorods for lithium ion diffusion Thus, the electrochemical performance of the one-dimensional nanostructured electrodes is remarkably enhance...

Ngày tải lên: 19/03/2014, 16:48

... in the performance improvement of phospho- olivine cathodes It aims to combine composition and structural modifications rationally to fabricate phospho- olivine cathodes with high energy, high rate ... (nanocrystallite aggregation, encapsulation of phosphoolivine in a porous carbon network) were used complementarily to increase the electrochemical performance of phospho- ol...

Ngày tải lên: 09/09/2015, 11:07

... Thesis Spine CARBON AND TIN BASED NANOSTRUCTURED ANODE MATERIALS FOR LITHIUM ION BATTERIES DENG DA 2009 CARBON AND TIN BASED NANOSTRUCTURED ANODE MATERIALS FOR LITHIUM ION BATTERIES DENG DA ... Lithium Ion Batteries 2.1.2 Developments of Lithium Ion Batteries .11 2.2 Nanostructured Anode Materials 14 2.2.1 Carbonaceous Materials...

Ngày tải lên: 12/09/2015, 09:22

... The Tien Synthesize and investigate the catalytic activity of three-way catalysts based on mixed metal oxides for the treatment of exhaust gases from internal combustion engine CONTENT OF THESIS ... Nguyen The Tien 18 Synthesize and investigate the catalytic activity of three-way catalysts based on mixed metal ox...

Ngày tải lên: 12/05/2014, 17:14

... characterization 117 Conclusion 121 Conclusion and Future Work 7.1 Conclusion 122 VI 7.2 Key research contributions 123 7.3 Future work 124 Bibliography 127 Appendix A: Supporting information for fabrication ... additional power consumption Planar glass used in architectural or decorative applications, also confront aesthetic limitations due to reflection Moreover, Chapter reflection of light...

Ngày tải lên: 09/09/2015, 11:29

... linewidth-dependence phenomenon is intrinsically eliminated in NiSi Also the silicon consumption to form NiSi is only a half of that for CoSi2 Lower silicon consumption is desirable for the formation of shallow ... Popular Silicides for CMOS Technology Self-aligned formation is the common feature of transition- metal silicides Table 1.1 lists some key properties of transitio...

Ngày tải lên: 12/09/2015, 11:01

... 6 .2 Total Energy Calculations………………………………………… 122 iii 6.3 Strain Effect on Interface Atomistic Configuration……………… 127 6.4 Strain Effect on Interface Formation Energetics…………………… 129 6.5 Strain ... Chapter Experimental and Computational Methodologies…………… 24 2. 1 Thin Film Growth………………………………….……………… 24 2. 2 Thin Film Characterization Techniques………………………… 29 2. 3 First-Principles...

Ngày tải lên: 13/09/2015, 20:19

... goethite concentration 24 Figure 2.7 Effect of solids concentration on phosphate adsorption on goethite (Li, 1998) 25 Figure 2.8 Effect of solids concentration on phosphate adsorption on goethite ... the effect of solids concentration on anion adsorption on hydrous metal oxides has been studied using two different approaches First, adsorption isotherms...

Ngày tải lên: 05/10/2015, 19:04

... regions of the state On the other hand, only a small fraction of those claiming the tax credit take advantage of the low-interest loan Furthermore, the property-tax exemption complements the ... National Laboratory, Matthew Brown of the National Conference of State Legislatures, Jane Weissman of the Interstate Renewable Energy Council, Frederick Beck of...

Ngày tải lên: 06/03/2014, 19:20

... performance The present article provides a simple overview on the hollow nanostructured anode materials for Li-ion batteries, including carbon materials, metals, metal oxides, and their hybrid materials ... synthesis and application of hollow nanostructured anode materials used in Li-ion batteries based on carbon materials, metals, metal oxides, and their hybrid mat...

Ngày tải lên: 21/06/2014, 07:20

... observation of the first colonies in hematopoietic colony assays [55 ] The hematopoietic transcription factors SCL and GATA-2 were also expressed in these cells between days and 21 of differentiation ... indicated that the placenta acts as an additional extramedullary hematopoietic organ during embryonic and fetal development [52 ,53 ] Hematopoietic precursors found...

Ngày tải lên: 22/03/2014, 17:20