pvdfbased porous polymer electrolytes for lithium batteries

... 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

... 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 ... 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 ... 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

... 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...

Ngày tải lên: 20/06/2014, 23:20

... 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 ... 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...

Ngày tải lên: 21/06/2014, 17:20

... 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

... tech- nique: SnO 2 :Pd and WO 3 :Cr. Porous Silicon micro-hot- plates were used for low power consumption. Characterization of gas sensors was performed for various NH 3 concentrations and operating ... and WO 3 :Cr sen- sors for various gas pulses, as NH 3 concentration increases from 2 ppm to 15 ppm. We notice that a good saturation level is obtained for both materials, for the exposure and the ... suspended Porous Silicon micro- hotplates. 3. Results Characterization of the gas sensors was performed at isothermal mode of operation, by keeping constant the power supplied to the heater. For the...

Ngày tải lên: 20/03/2014, 13:05

... voltage of 5 kV. Elemental analysis Microanalysis was performed by Columbia Analytics (formerly Desert Analytics) in Tuc son, AZ. Samples (100 mg) for elemental analysis were prepared by lyo- philizing ... no toxicity being observed for CuCNPs containing 3, or 5 wt.% Cu. Discussion Synthesis and characterization of Cu-loaded polymeric nanoparticles A prototypical approach for sequestering and releasing metal ... chemotherapeutics [35,36]. We have therefore designed a carboxylate-functiona- lized, polymer- based nanoparticle capable of sequester- ing a prototypical metal, Cu 2+ , for the ultimate goal of delivering...

Ngày tải lên: 21/06/2014, 02:20

... 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...

Ngày tải lên: 21/06/2014, 03:20

... transform electromodulated infrared study of porous silicon formation. J Electrochem Soc. 138, 153–159 (1991). doi:10.1149/1.2085526 20. Y Ogata, H Niki, T Sakka, M Iwasaki, Oxidation of porous ... of the complex formed on the porous silicon surface are determined. These results demonstrate the potential role of peptides grafted on porous silicon in developing strategies for simple and fast ... monolayer on mesoporous silica (SAMMS). Anal Chim Acta. 502, 207 –212 (2004). doi:10.1016/j. aca.2003.10.001 2. AN Liu, DC Chen, CC Lin, HH Chou, CH Chen, Application of cysteine monolayers for electrochemical...

Ngày tải lên: 21/06/2014, 03:20

... releasing mechanism for the polymers. Moreover, the major challenge is to eliminate the use of high temperatures during the drug loading process to polymer nanoparticles. For instance, it takes ... biocompatible delivery system for growth factors/ proteins, but also an ideal biomaterial for the application in bio-imaging. Conclusions This study develops a route for in situ loading of bFGF within ... coupled onto the polymer matrix, which, unfortunately, has side effects on the loaded bFGF because of the crosslinking agents, temperature, and un-desired pH values during the polymer preparation...

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