<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Keshri, Shweta R.</style></author><author><style face="normal" font="default" size="100%">Mandal, Indrajeet</style></author><author><style face="normal" font="default" size="100%">Ganisetti, Sudheer</style></author><author><style face="normal" font="default" size="100%">Kasimuthumaniyan, S.</style></author><author><style face="normal" font="default" size="100%">Kumar, Rajesh</style></author><author><style face="normal" font="default" size="100%">Gaddam, Anuraag</style></author><author><style face="normal" font="default" size="100%">Shelke, Ankita</style></author><author><style face="normal" font="default" size="100%">Ajithkumar, Thalasseril G.</style></author><author><style face="normal" font="default" size="100%">Gosvami, Nitya Nand</style></author><author><style face="normal" font="default" size="100%">Krishnan, N. M. Anoop</style></author><author><style face="normal" font="default" size="100%">Allu, Amarnath R.</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Elucidating the influence of structure and Ag+ -Na+ ion-exchange on crack-resistance and ionic conductivity of Na3Al1.8Si1.65 P-1.8 O-12 glass electrolyte</style></title><secondary-title><style face="normal" font="default" size="100%">Acta Materialia</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">amorphous</style></keyword><keyword><style  face="normal" font="default" size="100%">Ion-exchange</style></keyword><keyword><style  face="normal" font="default" size="100%">Ionic-conductivity</style></keyword><keyword><style  face="normal" font="default" size="100%">MD simulations</style></keyword><keyword><style  face="normal" font="default" size="100%">Mechanical property</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2022</style></year><pub-dates><date><style  face="normal" font="default" size="100%">APR </style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">227</style></volume><pages><style face="normal" font="default" size="100%">117745</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;
	Glasses are emerging as promising and efficient solid electrolytes for all-solid-state sodium-ion batteries. However, they still suffer from poor ionic conductivity and crack-resistance, which need to be improved for better battery performance, reliability, and service life. The current study shows a significant enhancement in crack resistance (from 11.3 N to 32.9 N) for Na3Al (1.8) Si-1.65 P1.8O12 glass (Ag-0 glass) upon Na+ -Ag+ ion-exchange (IE) due to compressive stresses generated in the glass surface while the ionic conductivity values (similar to 10(-5) S/cm at 473 K) were retained. In this study, magic angle spinning-nuclear magnetic resonance (MAS-NMR), molecular dynamics (MD) simulations, Vickers micro hardness, and impedance spectroscopic techniques were used to evaluate the intermediate-range structure, atomic structure, crack resistance and conductivity of the glass. MAS-NMR and MD simulations confirm the presence of Si-OAl-O-P groups in the glass, thus enabling formation of Na percolated channel regions. AC-conductivity analysis for Ag-0 and ion-exchanged Ag-0 glass suggests that the mobility of Na+ ion increases with increasing temperature. It is observed that the measured mean square displacement (root &amp;lt; R-2(t(p))&amp;gt;) for sodium cations using AC-conductivity isotherms is nearly constant up to 448 K and then increases with increasing temperature up to 523 K. From the impedance spectra for ion-exchanged Ag-0 glass, it is identified that the increase in root &amp;lt; R-2 (t(nu))&amp;gt; and thereby, the mobility of sodium-ions for Ag-0 glass is due to the structural variations in the Ag-0 glass with increasing the temperature. Overall, the mechanisms presented in this article helps in formulating better glass based electrolyte materials for room temperature or high temperature sodium-ion batteries. (C) 2022 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.&lt;/p&gt;
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