polymer gel electrolytes for lithium batteries

... materials for lithium- ion batteries. Nature 2000, 407:496. 4. Taberna PL, Mitra S, Poizot P, Simon P, Tarascon JM: High rate capabilities Fe 3 O 4 -based Cu nano-architectured electrodes for lithium- ion ... reversible lithium storage in Bacillus subtilis-directed porous Co 3 O 4 nanostructures. ACS Nano 2011, 5:443. 7. Li Y, Tan B, Wu Y: Mesoporous Co 3 O 4 nanowire arrays for lithium ion batteries ... Park JG, Sung YM, Chung KY, Cho WI, Kim DW: Enhanced cycling performance of Fe 0 /Fe 3 O 4 nanocomposite electrode for lithium- ion batteries. Nanotechnology 2009, 20:295205. 10. Ko YD, Kang...

Ngày tải lên: 20/06/2014, 21:20

... polymer electrolyte; polymer- in-salt system; lithium secondary battery. Introduction A lithium secondary battery using solid polymer electrolyte [SPE] is an attractive energy source for ... in nanocomposite solid polymer electrolytes. Key Eng Mater 2007, 336-338:526- 529. 8. Wei X, Shriver DF: Highly conductive polymer electrolytes containing rigid polymers. Chem Mater 1998, ... Polystyrene-Al 2 O 3 composite solid polymer electrolyte for lithium secondary battery Yu-Jeong Lim †1 , Yu-Ha An †1 , and Nam-Ju Jo* 1 1 Department of Polymer Science and Engineering, Pusan...

Ngày tải lên: 20/06/2014, 23:20

... electrodes for lithium- ion batteries. J Mater Chem 2005, 15:2257-2267. 6. Feng L, Chang Y, Wu L, Lu T: Electrochemical behavior of spinel LiMn 2 O 4 as positive electrode in rechargeable lithium ... cathode materials for lithium secondary batteries. J Power Sources 2007, 167:178-184. 17. Yi TF, Li Cy, Zhu YR, Shu J, Zhu RS: Comparison of structure and electrochemical properties for 5 V LiNi 0.5 Mn 1.5 O 4 and ... 82.47.Aa; 82.47 a; 82.45.Fk. Keywords: lithium ion batteries, cathode s, nanocomposites, coprecipitation Introduction The development of rechargeable lithium ion batteries depends critica lly on the...

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Ngày tải lên: 05/07/2014, 21:20

... affect the nano-Fe 2 O 3 performance as anode material for lithium ion batter- ies [24,25]. Nanosize materials have large surface areas and high surface energy. For lithium ion battery applications, ... provide more sites for lithium ion intercalation/de-intercalation. The improvement seen in the nanorods electrodes may be also attributed to the shorter pathways in the nanorods for lithium ion diffusion. ... hydrother- mal method. Both the nanorods and commercial Fe 2 O 3 were t ested as anode materials for lithium ion batteries. Electrochemical mea- surements, such as CV and EIS, demonstrated that the nanorods had...

Ngày tải lên: 19/03/2014, 16:48

... related to the wide range of potential applications for the sol -gel processes. 36 Sol -Gel Technology the gel glass framework could possibly account for its elevated immiscibility temperature.13 Figure ... Transformations in Gels 33 a b Figure 3: Replication electron micrographs of soda-silica glasses containing 18.6 mol % soda which were heated for 30 min at 630°C for (a) batch prepared and (b) gel ... (molI) & (3ZOI (2%0) GEL JPL2-18.5 (1565' - 24 HR dry) GEL 0X-15.0 (1500' - 3 HR) GEL 01-15.0 (1500' - 24 HR) GEL 01-15.0 (15000 - 45 HR) GEL 01-15.0 (1500' -...

Ngày tải lên: 30/03/2014, 12:20

... diameter. The formation of these entities either in form of macro- molecules or in form of spherical or non-spherical par- ticles follow the established rules for nucleation and growth. For stabilization ... transparent adhesives 1. Introduction Sol -gel techniques for a long time have been used for the fabrication of glasses and ceramics [1–6]. The sols used for these investigations are made from alkoxides, and ... by sol -gel routes. For this reason, prefabricated nanoparticles (SiO 2 sols or boehmite powder) have been dispersed after surface modification in sol -gel- derived organically modified or polymeric...

Ngày tải lên: 07/06/2014, 16:27

... nucleus implants. Likewise, efforts to restore spinal stability by replacing the morbid nucleus pulposus with artificial compounds, such as, hydrogels, protein polymers and elastomers [11,7] ... required for nucleus replacement. Laboratory investigation. J Neurosurg Spine 2008, 9:307-313. 18. Kettler A, Liakos L, Haegele B, Wilke HJ: Are the spines of calf, pig and sheep suitable models for ... of 9 (page number not for citation purposes) Journal of Orthopaedic Surgery and Research Open Access Research article Biomechanical testing of a polymer- based biomaterial for the restoration...

Ngày tải lên: 20/06/2014, 04:20

... alternative [17,18]. However, this approach is also destructive [19,20], and the polymer surfaces are rapidly etched before the formation of surface hydroxyl groups is opti- mized. In this study, we developed ... method previously described [17] for anti-adhesion. Using the PDMS-coated AAO template as a master mold, a NOA63 polymer replica mold was prepared. The UV curable NOA63 polymer precursor was spread on ... After curing with UV radiation (l = 365 nm) for 1 h, the replica mold was peeled off, providing a surface nanopillar-patterned NOA63 polymer layer formed on a PET film (Figure 1b). F or the generation...

Ngày tải lên: 20/06/2014, 23:20

... of electrosprayed films can therefore be attributed to the conformation of the polymer. Keywords: organic light-emitting diodes; electrospray, polymer, conformation. Figure 1 Table 1. ... 120°C for 20 min. About 80-nm-thick emissive layer [EML] was formed by electrospray or spin-coating process and then annealed at 80°C for 30 min. A schematic diagram of the experimental setup for ... Qian et al. [19] reported a peak shift of PVK due to polymer conformation caused by the solvent effect. We believe that a similar polymer conformation effect results not only from the solvent,...

Ngày tải lên: 20/06/2014, 23:20

... materials for lithium- ion batteries. Chem Mater 2008, 20:3617. doi:10.1186/1556-276X-6-397 Cite this article as: Seo et al.: Low-temperature synthesis of CuO- interlaced nanodiscs for lithium ion ... nanodiscs, finally forming interlaced disc nanostructures, as reported in similar CuO nanostructures, by hydro- thermal conversion from Cu(OH) 2 at 100-130°C [23,24]. Therefore, the formation mechanism ... nano- wires, nanorods, nanotubes) have been shown to be good candidates as electro des for lithium ion batteries [6-8]. Zhang et al. reported the size dependency of the electrochemical properties...

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Ngày tải lên: 05/09/2013, 10:15

... causes the polymer degradation [75- 83]. Figure 8 shows the generally accepted pathways of degradation and stabilization where radical formation is initiating and vital step for polymer degradation ... 4.3.1. Nanocomposites of biodegradable polymers 4.3.1.1.Biopolymers as matrix 4.3.1.2.Biopolymers as fillers 4.3.2. Nanocomposites of non-biodegradable polymers 4.4. Other factors 4.5. Advantages ... weight or polymeric stabilizers can be introduced. The polymeric stabilizers can be prepared by following three ways [73]; i) Grafting of stabilizer onto polymer 2 Key words: Polymer, ...

Ngày tải lên: 20/03/2014, 13:05