Observation of specific optical phonon modes dominating Li ion diffusion in γ-LiAlO2 ceramic
Sign Up to like & getrecommendations! Published in 2021 at "Ceramics International"
DOI: 10.1016/j.ceramint.2021.03.112
Abstract: Abstract In γ-LiAlO2 ceramic, Li ion diffusion plays a key role both in tritium release as a solid tritium breeder material in nuclear fusion and in phase stability as a matrix material in molten carbonate… read more here.
Keywords: lialo2 ceramic; phonon modes; ion; phonon ... See more keywords
The Slice-Resistivity method to measure the chloride ion diffusion coefficient of cementitious materials
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.118155
Abstract: Abstract Most of the existing experimental and research methods for the diffusion of chloride ions in cement-based materials use an applied electric field test method with electrodes, which are unable to eliminate the effect of… read more here.
Keywords: chloride ion; diffusion coefficient; diffusion; ion diffusion ... See more keywords
A concise pore structure model for predicting the effective ion diffusion coefficients of cementitious materials
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.120321
Abstract: Abstract Ion diffusion property prediction of cementitious materials by modeling pore structure is a hotspot and challenge for cement and concrete research. In a recent paper, Yio et al. examined the 3D structure of capillary… read more here.
Keywords: structure; model; pore structure; ion diffusion ... See more keywords
Understanding crystal structures, ion diffusion mechanisms and sodium storage behaviors of NASICON materials
Sign Up to like & getrecommendations! Published in 2021 at "Energy Storage Materials"
DOI: 10.1016/j.ensm.2020.09.007
Abstract: Abstract Sodium super ionic conductor (NASICON) based electrode and electrolyte compounds offer new prospect to achieve higher energy/power densities, improved safety, and longer cycle life in sodium ion batteries (SIBs). For many years NASICON compounds… read more here.
Keywords: nasicon materials; crystal structures; diffusion; storage ... See more keywords
Electrolyte permeation and ion diffusion enhanced architectures for high performance all-solid-state flexible supercapacitors
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2020.228996
Abstract: Abstract The carboxylic acid functionalized multi-walled carbon nanotubes/polyaniline nanotubes (PANI-NTs)/carboxylic acid functionalized single-walled carbon nanotubes electrodes for the flexible supercapacitors are fabricated by the layer-by-layer vacuum filtration. This strategy is aimed to assist powdery PANI-NTs… read more here.
Keywords: permeation ion; electrolyte permeation; ion; solid state ... See more keywords
Li ion diffusion dynamics on Li oxides and peroxides surfaces
Sign Up to like & getrecommendations! Published in 2017 at "Materials Letters"
DOI: 10.1016/j.matlet.2016.11.013
Abstract: Abstract Li ion diffusion in the discharge products of the Li-O2 batteries is relevant to the performance of the battery. In this paper, Li ad-atom and Li-vacancy diffusion at the Li2O and Li2O2 surfaces are… read more here.
Keywords: diffusion; diffusion dynamics; dynamics oxides; migration ... See more keywords
Nano-ordered structure regulation in delithiated Si anode triggered by homogeneous and stable Li-ion diffusion at the interface
Sign Up to like & getrecommendations! Published in 2020 at "Nano Energy"
DOI: 10.1016/j.nanoen.2020.104651
Abstract: Abstract The huge volume change of silicon anode during cycling results in unstable solid electrolyte interface (SEI), causing rapid performance degradation. Natural SEI layer has a heterogeneous structure, results in the inhomogeneous Li+ diffusion. The… read more here.
Keywords: ion diffusion; interface; diffusion interface; structure ... See more keywords
Ferroelectric polarization accelerates lithium-ion diffusion for dendrite-free and highly-practical lithium-metal batteries
Sign Up to like & getrecommendations! Published in 2021 at "Nano Energy"
DOI: 10.1016/j.nanoen.2020.105481
Abstract: Abstract Owing to the high specific capacity and lowest negative electrochemical potential, lithium metal as assembled with cathode materials such as sulfur, oxygen and so forth is regarded as a promising candidate for next-generation energy… read more here.
Keywords: polarization; lithium metal; ion; lithium ... See more keywords
An approximate solution of lithium ion diffusion process in spherical active particles with controllable error
Sign Up to like & getrecommendations! Published in 2020 at "Solid State Ionics"
DOI: 10.1016/j.ssi.2020.115501
Abstract: Abstract As an important supplementary part of experiment, multi-scale modeling and simulation plays an important role in reasonable design and performance prediction of lithium-ion batteries. Due to the complexity of spherical diffusion equation, the calculation… read more here.
Keywords: diffusion process; active particles; diffusion; ion ... See more keywords
Highly Improved Ion Diffusion through Mesoscopically Ordered Porous Photoelectrodes
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.7b02934
Abstract: Photoelectrochemical devices rely on porous photoelectrodes because of the formation of heterojunctions with the electrolyte solution. We evaluate the electrolyte ion-diffusion transport in mesoscopic inverse opal (meso-IO) structures with a uniform pore network by comparison… read more here.
Keywords: diffusion; ion; random pore; ion diffusion ... See more keywords
Hot-Electron-Mediated Ion Diffusion in Semiconductors for Ion-Beam Nanostructuring.
Sign Up to like & getrecommendations! Published in 2019 at "Nano letters"
DOI: 10.1021/acs.nanolett.9b01214
Abstract: Ion-beam-based techniques are widely utilized to synthesize, modify, and characterize materials at the nanoscale, with applications from the semiconductor industry to medicine. Interactions of the beam with the target are fundamentally interesting, as they trigger… read more here.
Keywords: diffusion; ion beam; ion; ion diffusion ... See more keywords