Revisiting the ion dynamics in Li <sub> <i>x</i> </sub> CoO <sub>2</sub> and Na <sub> <i>x</i> </sub> CoO <sub>2</sub>
Ryoichi Tatara, Daisuke Igarashi, Masanobu Nakayama, Tomooki Hosaka, Kazuki Ohishi, Izumi Umegaki, Jumpei Nakamura, A. Koda, Hiroto Ohta, Rasmus Palm, Martin Må̊nsson, Eun Jeong Kim, Kei Kubota, Jun Sugiyama, Shinichi Komaba
Abstract
By combining operando muon spin spectroscopy and molecular dynamics simulations, this study reveals how ion size, electrostatic interactions, and crystal structure influence self-diffusion in layered Li x CoO 2 and Na x CoO 2 .
Topics & Concepts
IonDiffusionChemical physicsIonic bondingElectrodeMolecular dynamicsChemistryParticle (ecology)Materials scienceSpectroscopyParticle sizeBattery (electricity)Dynamics (music)Spin (aerodynamics)Analytical Chemistry (journal)Muon spin spectroscopyInorganic chemistryIon transporterLithium (medication)CrystallographyInterstitial defectPhysical chemistryIonic conductivityAdvancements in Battery MaterialsAdvanced Condensed Matter PhysicsAdvanced Battery Materials and Technologies