The influence of cations on lithium ion coordination and transport in ionic liquid electrolytes: a MD simulation study

2016 ◽  
Vol 18 (1) ◽  
pp. 382-392 ◽  
Author(s):  
Volker Lesch ◽  
Zhe Li ◽  
Dmitry Bedrov ◽  
Oleg Borodin ◽  
Andreas Heuer
Keyword(s):  
Molecular Dynamics ◽  
Ionic Liquid ◽  
Structural Properties ◽  
Simulation Study ◽  
Md Simulation ◽  
Lithium Ion ◽  
Md Simulations ◽  
Liquid Electrolytes

The dynamical and structural properties in two ionic liquid electrolytes (ILEs) based on [emim][TFSI] and [pyr13][TFSI] were compared as a function of LiTFSI salt concentrations using atomistic molecular dynamics (MD) simulations.

Liquid/liquid interface layering of 1-butanol and [bmim]PF6 ionic liquid: a nonlinear vibrational spectroscopy and molecular dynamics simulation study

2015 ◽  
Vol 17 (38) ◽  
pp. 24587-24597 ◽  
Author(s):  
Takashi Iwahashi ◽  
Tatsuya Ishiyama ◽  
Yasunari Sakai ◽  
Akihiro Morita ◽  
Doseok Kim ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Ionic Liquid ◽  
Molecular Dynamics Simulation ◽  
Vibrational Spectroscopy ◽  
Simulation Study ◽  
Md Simulation ◽  
Liquid Interface ◽  
Dynamics Simulation ◽  
Simulation Studies

IV-SFG vibrational spectroscopy and MD simulation studies reveal a local polar/nonpolar layering structure at the interface of 1-butanol-d9 and 1-butyl-3-methylimidazolium hexafluorophosphate ([bmim]PF6).

Ionic liquid electrolytes for high-voltage, lithium-ion batteries

2020 ◽  
Vol 479 ◽  
pp. 228791 ◽  
Author(s):  
S. Brutti ◽  
E. Simonetti ◽  
M. De Francesco ◽  
A. Sarra ◽  
A. Paolone ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Lithium Ion Batteries ◽  
High Voltage ◽  
Lithium Ion ◽  
Liquid Electrolytes

scholarly journals Fully Atomistic Molecular Dynamics Computation of Physico-Mechanical Properties of PB, PS, and SBS

Nanomaterials ◽  
2019 ◽  
Vol 9 (8) ◽  
pp. 1088 ◽  
Author(s):  
Yang Kang ◽  
Dunhong Zhou ◽  
Qiang Wu ◽  
Fuyan Duan ◽  
Rufang Yao ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Strain Rate ◽  
Strain Hardening ◽  
Md Simulation ◽  
Md Simulations ◽  
Strain Rates ◽  
Young’S Moduli ◽  
Plastic Modulus ◽  
Styrene Butadiene ◽  
Butadiene Styrene

The physical properties—including density, glass transition temperature (Tg), and tensile properties—of polybutadiene (PB), polystyrene (PS) and poly (styrene-butadiene-styrene: SBS) block copolymer were predicted by using atomistic molecular dynamics (MD) simulation. At 100 K, for PB and SBS under uniaxial tension with strain rate ε ˙ = 1010 s−1 and 109 s−1, their stress–strain curves had four features, i.e., elastic, yield, softening, and strain hardening. At 300 K, the tensile curves of the three polymers with strain rates between 108 s−1 and 1010 s−1 exhibited strain hardening following elastic regime. The values of Young’s moduli of the copolymers were independent of strain rate. The plastic modulus of PS was independent of strain rate, but the Young’s moduli of PB and SBS depended on strain rate under the same conditions. After extrapolating the Young’s moduli of PB and SBS at strain rates of 0.01–1 s−1 by the linearized Eyring-like model, the predicted results by MD simulations were in accordance well with experimental results, which demonstrate that MD results are feasible for design of new materials.

scholarly journals Structural Properties of G,T-Parallel Duplexes

2010 ◽  
Vol 2010 ◽  
pp. 1-11 ◽  
Author(s):  
Anna Aviñó ◽  
Elena Cubero ◽  
Raimundo Gargallo ◽  
Carlos González ◽  
Modesto Orozco ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Structural Properties ◽  
Theoretical Calculations ◽  
Md Simulations ◽  
Theoretical Studies ◽  
Duplex Structure ◽  
Strong Stabilization ◽  
The Stability ◽  
The Impact

The structure of G,T-parallel-stranded duplexes of DNA carrying similar amounts of adenine and guanine residues is studied by means of molecular dynamics (MD) simulations and UV- and CD spectroscopies. In addition the impact of the substitution of adenine by 8-aminoadenine and guanine by 8-aminoguanine is analyzed. The presence of 8-aminoadenine and 8-aminoguanine stabilizes the parallel duplex structure. Binding of these oligonucleotides to their target polypyrimidine sequences to form the corresponding G,T-parallel triplex was not observed. Instead, when unmodified parallel-stranded duplexes were mixed with their polypyrimidine target, an interstrand Watson-Crick duplex was formed. As predicted by theoretical calculations parallel-stranded duplexes carrying 8-aminopurines did not bind to their target. The preference for the parallel-duplex over the Watson-Crick antiparallel duplex is attributed to the strong stabilization of the parallel duplex produced by the 8-aminopurines. Theoretical studies show that the isomorphism of the triads is crucial for the stability of the parallel triplex.

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