2020
DOI: 10.1039/d0ee02193h
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Concentration and velocity profiles in a polymeric lithium-ion battery electrolyte

Abstract: Predictive knowledge of ion transport in electrolytes which bridges microscopic and macroscopic length scales is imperative to design new ion conductors and to simulate device performance. Here, we employed a...

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Cited by 46 publications
(72 citation statements)
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“…Combining the study of anisotropic dynamics by XPCS and X-ray microscopy, the ion transport in lithium-ion battery electrolytes has recently been revealed [33]. With a heterodyne XPCS approach, oscillations in the g 2 functions taken in operando could be related to the ion velocity in the electrolyte providing a concentration-independent transference number of 0.2.…”
Section: Anisotropic Dynamicsmentioning
confidence: 99%
See 1 more Smart Citation
“…Combining the study of anisotropic dynamics by XPCS and X-ray microscopy, the ion transport in lithium-ion battery electrolytes has recently been revealed [33]. With a heterodyne XPCS approach, oscillations in the g 2 functions taken in operando could be related to the ion velocity in the electrolyte providing a concentration-independent transference number of 0.2.…”
Section: Anisotropic Dynamicsmentioning
confidence: 99%
“…Furthermore, new routes of understanding stress relaxation in glasses have been revealed recently [32]. The possibility of reaching faster time scales in a real time experiment enables the study of in-operando dynamics, e.g., ion transport in lithium batteries [33], and paves the way to sub-µs dynamics of soft matter [34,35] and biological systems [36][37][38][39]. Finally, future opportunities will be addressed with special attention on possibilities at the new facilities.…”
Section: Introductionmentioning
confidence: 99%
“…We define the x-coordinate such that x = 0 at the anode (positive electrode) and x = L at the cathode (negative electrode). Salt concentration gradients have been measured experimentally in homogeneous electrolytes [17][18][19][20] . For a microstructured (i.e.…”
Section: Phase Behavior Of the Electrolyte In The Quiescent Statementioning
confidence: 99%
“…For example, if it takes 100 s for the current to stabilize in a 300-nm-thick sample, we may assume that the slowest-moving ions are traveling at 3 nm/s. This is reasonable for good ionic conductors [58]. This defines the shallowest slope of our probability curve (v = v f ) but if ions have a lesser propensity to move, we can set the slope to a fraction of v f .…”
Section: -6mentioning
confidence: 99%