Investigation of si anode for LI ion batteries

... debilitating volume expansion during lithiation 2.6 Silicon Anode Silicon was electrochemically investigated to explore the possibility of using Si as an anode replacement for Li- metal (due to Li- metal’s ... the formation of Li2 2Si5 alloy) during lithiation prevents good cycling performance of Si anodes To mitigate the problem associated with volume expansion of the S...

Ngày tải lên: 08/09/2015, 18:24

... 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

... 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

... doi:10.1186/1556-276X-7-60 Cite this article as: Gim et al.: Synthesis and characterization of integrated layered nanocomposites for lithium ion batteries Nanoscale Research Letters 2012 7:60 ... range of stoichiometric compositions Therefore, the present work reports on the synthesis and systematic investigations on the structure, morphology, and electrochemical p...

Ngày tải lên: 20/06/2014, 23:20

... candidate for use in the electrodes of high- performance Li-ion batteries Abbreviations CuNFs@CoOx: copper nanofiber-networked cobalt oxide; CuNFs: copper nanofibers; CoOxTF: cobalt oxide thin-film; ... doi:10.1186/1556-276X-6-292 Cite this article as: Nam et al.: Copper nanofiber-networked cobalt oxide composites for high performance Li-ion batteries Nan...

Ngày tải lên: 21/06/2014, 04:20

... doi:10.1186/1556-276X-7-60 Cite this article as: Gim et al.: Synthesis and characterization of integrated layered nanocomposites for lithium ion batteries Nanoscale Research Letters 2012 7:60 ... range of stoichiometric compositions Therefore, the present work reports on the synthesis and systematic investigations on the structure, morphology, and electrochemical p...

Ngày tải lên: 21/06/2014, 17:20

... 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

... with the frequency increasing, the magnetic relaxation time of cluster is more and more Page of above the period of external field (The relaxation time is constant while the period of field is the ... respect to the field period was shown in Figure Conclusions In summary, we demonstrated the frequency response of g-Fe2O3 colloidal assembly induced by ti...

Ngày tải lên: 21/06/2014, 02:20

... discontinuities of medical and psychological care, inadequate and inappropriate care in crises, and exclusion of carers and families from management decisions [30] ERP provides continuity of care, defines ... Health Behaviour and Health Education: Theory, Research and Practice San Francisco: Wiley and Sons; 2002 May C: A rational model for assessing and evaluatin...

Ngày tải lên: 11/08/2014, 16:21

... taken into account 1.2 MATHEMATICAL MODELING OF LITHIUM- ION BATTERIES 1.2 Mathematical modeling of lithium- ion batteries Mathematical modeling and computational analysis are extensively employed in ... transition metal employed for the positive electrode (1.3) 1.1 OVERVIEW OF LITHIUM- ION BATTERIES Figure 1.2: Schematic of a lithium- ion battery opera...

Ngày tải lên: 09/09/2015, 08:12

... 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

... 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

... alternative way for rapid and mass production of stevia Objective This research, Investigation of effective media for in vitro propagation of Stevia rebaudiana Bertoni , was aimed to find out a complete ... research Investigation of effective media for in vitro propagation of Stevia rebaudiana Bertoni was carried out and successfully obtained...

Ngày tải lên: 06/10/2015, 13:04