@article{kim_situ_2022-1,
	title = {In {Situ} {TEM} {Study} of {Structural} {Changes} in {Na}-beta ''-{Alumina} {Using} {Electron} {Beam} {Irradiation}},
	volume = {15},
	url = {https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=DynamicDOIArticle&SrcApp=WOS&KeyAID=10.3390%2Fma15072663&DestApp=DOI&SrcAppSID=USW2EC0F75TlGiHxE7IxhSWLS7TD2&SrcJTitle=MATERIALS&DestDOIRegistrantName=MDPI+AG},
	doi = {10.3390/ma15072663},
	abstract = {Real-time structural changes in Na-beta ''-alumina were observed in situ using transmission electron microscopy (TEM) with electron beam irradiation. Na-beta ''-alumina has been widely investigated as a solid electrolyte material for sodium-sulfur secondary batteries owing to its high ionic conductivity. This high conductivity is known to be due to the Na+ ions on the loosely packed conduction planes of Na-beta ''-alumina. In the present study, we acquired real-time videos of the generation of spinel blocks caused by the conduction of Na+ ions. In addition, by observing Na extraction during electron beam irradiation, we experimentally confirmed that spinel block generation originates from the Na+ ion conduction, which has been a subject of recent debate.},
	language = {English},
	number = {7},
	urldate = {2022-04-20},
	journal = {Materials},
	author = {Kim, Sung-Dae and Kim, Young-Woon},
	month = apr,
	year = {2022},
	note = {Place: Basel
Publisher: Mdpi
WOS:000781235300001},
	keywords = {Na-beta ''-alumina, batteries, defects, electron beam irradiation, energy-storage, ion conduction, ionic-conductivity, nonstoichiometry, progress, sodium, transmission electron microscopy},
	pages = {2663},
}

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