scholarly journals A study of the relationship between lithium ion transport and structure and dynamic behavior in polyethylene oxide-melt/LiClO4 battery electrolytes.

2009 ◽  
Author(s):  
James C. Selser
Micromachines ◽  
2021 ◽  
Vol 12 (9) ◽  
pp. 1012
Author(s):  
Takuya Mabuchi ◽  
Koki Nakajima ◽  
Takashi Tokumasu

Atomistic analysis of the ion transport in polymer electrolytes for all-solid-state Li-ion batteries was performed using molecular dynamics simulations to investigate the relationship between Li-ion transport and polymer morphology. Polyethylene oxide (PEO) and poly(diethylene oxide-alt-oxymethylene), P(2EO-MO), were used as the electrolyte materials, and the effects of salt concentrations and polymer types on the ion transport properties were explored. The size and number of LiTFSI clusters were found to increase with increasing salt concentrations, leading to a decrease in ion diffusivity at high salt concentrations. The Li-ion transport mechanisms were further analyzed by calculating the inter/intra-hopping rate and distance at various ion concentrations in PEO and P(2EO-MO) polymers. While the balance between the rate and distance of inter-hopping was comparable for both PEO and P(2EO-MO), the intra-hopping rate and distance were found to be higher in PEO than in P(2EO-MO), leading to a higher diffusivity in PEO. The results of this study provide insights into the correlation between the nanoscopic structures of ion solvation and the dynamics of Li-ion transport in polymer electrolytes.


1996 ◽  
Vol 3 (1-3) ◽  
pp. 385-402 ◽  
Author(s):  
P. T. Boinske ◽  
L. Curtiss ◽  
J. W. Halley ◽  
B. Lin ◽  
A. Sutjianto

2015 ◽  
Vol 298 ◽  
pp. 8-13 ◽  
Author(s):  
Chihyun Hwang ◽  
Yoon-Gyo Cho ◽  
Na-Ri Kang ◽  
Younghoon Ko ◽  
Ungju Lee ◽  
...  

2017 ◽  
Vol 121 (33) ◽  
pp. 17641-17657 ◽  
Author(s):  
Kristina Sklepić ◽  
Radha D. Banhatti ◽  
Gregory Tricot ◽  
Petr Mošner ◽  
Ladislav Koudelka ◽  
...  

2018 ◽  
Vol 6 (30) ◽  
pp. 14689-14699 ◽  
Author(s):  
Chun Huang ◽  
Patrick S. Grant

Thick cathodes with aligned pore arrays in the predominant ion transport direction made by ice templating provided high areal and gravimetric capacities.


1992 ◽  
Vol 286 ◽  
Author(s):  
C. Criado ◽  
J.R. Ramos-Barrado ◽  
P. Maireles-Torres ◽  
P. Oliverapastor ◽  
A. Jimenez-Lopez ◽  
...  

ABSTRACTA.c. conductivity of a novel large-pore alumina-pillared zirconium phosphate and some lithium ion exchanged samples have been measured by an impedance method. These materials have a conductivity in the range 10-5 to 10-9 Ω-1cm-1 higher than those of alumina-pillared tin phosphate and its lithium derivatives. The electrical behaviour of the pillared zirconium phosphates fits to an equivalent circuit composed by two subcircuits in parallel with a condenser. In a temperature interval (200-500°C), lithium ions are charge carriers and the conductivity increases when heating with activation energies between 0.99 and 1.22 eV.


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