polymer electrolytes for lithiumion batteries
Báo cáo hóa học: " Polystyrene-Al2O3 composite solid polymer electrolyte for lithium secondary battery" doc
Ngày tải lên :
20/06/2014, 23:20
... 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, ... safe
batteries possible and permits the development of thin batteries with design flexibility.
Most of the efforts to date have focused on poly(ethylene oxide) [PEO] as the host
material for ... Then, the solution was sonicated for 10
min and stirred for 24 h for dispersion. PS-based SPE was prepared by mixing the
PS/LiCF
3
SO
3
and Al
2
O
3
solutions for 4 days. The solutions were...
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báo cáo hóa học: " Beyond platinum: synthesis, characterization, and in vitro toxicity of Cu(II)-releasing polymer nanoparticles for potential use as a drug delivery vector" ppt
Ngày tải lên :
21/06/2014, 02:20
... 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...
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nanoscale particles for polymer degradation
Ngày tải lên :
20/03/2014, 13:05
... 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, ...
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polymer compositeeur 21682 en tools for composite indicator building
Ngày tải lên :
05/05/2014, 13:58
... of health system performance has been criticized for not using appropriate
method of transformation and the z-scores transformation has been recommended (SPRG, 2001).
For time – dependent ...
way to prize the most performing countries and penalize the less performing ones.
An advantage of this transformation is that, using the same percentile transformation for different
years, any ... total exports.
Therefore, to avoid adding up apples and pears, before going to the aggregation stage it is
necessary to bring the indicators to the same standard, by transforming them in pure,...
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báo cáo hóa học:" Biomechanical testing of a polymer-based biomaterial for the restoration of spinal stability after nucleotomy" pptx
Ngày tải lên :
20/06/2014, 04:20
... 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 ... techniques for avoiding
re-herniation have been introduced to the market, with
interesting first clinical results [20]. In combination with
biomaterials, these techniques might prove to be useful
for ... problems in order to be beneficial for
the patient.
In spinal surgery, preventive procedures to avoid common
follow-up complications are conceivable in operations for
disc herniation with predominant...
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![Báo cáo toán học: " Electrochemical performance of NixCo1-xMoO4 (0 [less than or equal to] x [less than or equal to] 1) nanowire anodes for lithium-ion batteries" pptx](https://media.store123doc.com/images/document/2014_06/20/medium_cjRKzxwozW.jpg)
Báo cáo toán học: " Electrochemical performance of NixCo1-xMoO4 (0 [less than or equal to] x [less than or equal to] 1) nanowire anodes for lithium-ion batteries" pptx
Ngày tải lên :
20/06/2014, 21:20
... Carbon-coated
nanophase CaMoO
4
as anode material for Li ion batteries. Chem Mater 2004, 16:504.
Figure 2
electrochemical performances of both electrodes were similar, as ... 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...
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Báo cáo hóa học: " Effective surface oxidation of polymer replica molds for nanoimprint lithography" ppt
Ngày tải lên :
20/06/2014, 23:20
... 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...
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Báo cáo hóa học: " Electrospray deposition of polymer thin films for organic light-emitting diodes" pot
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,...
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Báo cáo hóa học: " Synthesis and characterization of integrated layered nanocomposites for lithium ion batteries" ppt
Ngày tải lên :
20/06/2014, 23:20
... temperature for 24 h.
The precipitated solution was subsequently dried in an
oven at 85°C to evaporate residual water, and the dried
powders were ground well before heating at 600°C for 3 h
to ... 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 ... subsequent cycling. On cycling the electrodes for
35 cycles, the capacities maintained by the latter sam-
ples were far better t han those of the former. For
instance, the capacity of the sample with...
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Báo cáo hóa học: " Copper nanofiber-networked cobalt oxide composites for high performance Li-ion batteries" potx
Ngày tải lên :
21/06/2014, 04:20
... can be used as a promising
high-performance electrode for Li-ion batteries.
Introduction
Cobalt oxide (CoO
x
) is a high-capacity electrode mate-
rial for Li-ion batteries with a theoretical capacity ... R
ct
and C
ct
values for the CuNFs@CoO
x
were much smal-
ler than those for CoO
x
TF. A considerable change in
the sum of R
SEI
and R
ct
from 344 Ω was observed for
CoO
x
TF to 96 Ω for CuNFs@CoO
x
, ... CoO
x
.
Consequently, this CuNFs@CoO
x
composite structure
can be a promising candidate for use in the electrodes
of high-performance Li-ion batteries.
Abbreviations
CuNFs@CoO
x
: copper nanofiber-networked cobalt...
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Báo cáo hóa học: " Hollow Nanostructured Anode Materials for Li-Ion Batteries" pdf
Ngày tải lên :
21/06/2014, 07:20
... for Li
?
, the cavities in hollow
structured electrodes for Li-ion batteries may provide extra
space for the storage of Li
?
, beneficial for enhancing
specific capacity. Furthermore, the void space ... disgusting obstacle for practical appli-
cation of Si as the anode for Li-ion batteries. To overcome
this drawback, two strategies have been proposed: using
composite materials and forming nanostructured ... Li-ion batteries, which
require high capacity, high rate capability, and high safety.
The higher capacity and higher rate capability for hollow
nanostructured anode materials than that for the...
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báo cáo hóa học:" Effective surface oxidation of polymer replica molds for nanoimprint lithography" docx
Ngày tải lên :
21/06/2014, 17:20
... suitable for
imprinting nanoscale features. Stiffer polymeric molds
with a higher mechanical strength such as urethane-
[12,13] and epoxide-based [14,15] polymer molds were
therefore introduced. For ... inorganic
molds and polymeric films is also problematic. For these
reasons, several attempts have been made to use soft
and flexible molds made from polymeric materials [8].
Various elastomeric polymers ... 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...
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báo cáo hóa học:" Catalytic properties of Co3O4 nanoparticles for rechargeable Li/air batteries" potx
Ngày tải lên :
21/06/2014, 17:20
... positive
electrode for rechargeable lithium batteries. Adv Matter 2007, 19:657-660.
9. Débart A, Paterson AJ, Bao J, Bruce PG: a-MnO
2
nanowires: a catalyst for
the O
2
electrode in rechargeable lithium batteries. ... Bruce PG: An O
2
cathode for rechargeable
lithium batteries: the effect of a catalyst. J Power Sources 2007,
174:1177-1182.
13. Kraytsberg A, Ein-Eli Y: Review on Li-air batteries- opportunities, ... alkyl
carbonate electrolytes. J Am Chem Soc 2011, 133:8040-8047.
doi:10.1186/1556-276X-7-47
Cite this article as: Kim and Park: Catalytic properties of Co
3
O
4
nanoparticles for rechargeable Li/air batteries. ...
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báo cáo hóa học:" Synthesis and characterization of integrated layered nanocomposites for lithium ion batteries" pdf
Ngày tải lên :
21/06/2014, 17:20
... 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 ... temperature for 24 h.
The precipitated solution was subsequently dried in an
oven at 85°C to evaporate residual water, and the dried
powders were ground well before heating at 600°C for 3 h
to ... EXPRESS Open Access
Synthesis and characterization of integrated
layered nanocomposites for lithium ion batteries
Jihyeon Gim, Jinju Song, Hyosun Park, Jungwon Kang, Kangkun Kim, Vinod Mathew...
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Báo cáo hóa học: " Modification of Conductive Polymer for Polymeric Anodes of Flexible Organic Light-Emitting Diodes" pdf
Ngày tải lên :
22/06/2014, 00:20
... doi:10.1021/ma021715k
Nanoscale Res Lett (2009) 4:613–617 617
123
NANO EXPRESS
Modification of Conductive Polymer for Polymeric Anodes
of Flexible Organic Light-Emitting Diodes
Guang-Feng Wang ặ Xiao-Ming Tao ... light-emitting diodes (FOLED)
based the polymeric anodes have a comparable perfor-
mance to those on indium–tin–oxide (ITO) anodes.
Keywords PEDOT:PSS Á Polymeric anode Á
Organic light-emitting ... prepared by using oxidative
chemical or electrochemical polymerization methods is
found to be insoluble and therefore difficult to process
in thin-film form or other shapes [2]. Water soluble
PEDOT:PSS...
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